Title: CA $409 Cheap Flights from Seattle (SEA) to Sydney (SYD) - Expedia.ca ![](https://images.trvl-media.com/place/178312/136253ce-3061-45f8-b8d7-9d9fb2223786.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $409 Cheap Flights from Seattle (SEA) to Sydney (SYD) [View CA $409 flight on Sat, Nov 29, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:SYD,departure:29/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:408.38&airProductToken=AQpqCjMIzpABEgMxMTcYkgEgpxsozLT-AjDHuf4COEtAAFgBaghFQ09CQVNJQ3IIS0xFMElXVzIKMwjOkAESAzg4ORinGyCSHijnv_4CMKvE_gI4S0ABWAFqCEVDT0JBU0lDcghLTEUwSVdXMhIKCAEQARgBKgJOSBgBIgQIARABKAIoAygEMAE) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Sydney Airport (SYD) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:syd,departure:27/10/2025TANYT&leg2=from:syd,to:sea,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:syd,departure:27/10/2025TANYT&leg2=from:syd,to:sea,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![Air New Zealand](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NZ.svg) Air New Zealand [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:syd,departure:27/10/2025TANYT&leg2=from:syd,to:sea,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NZ"}}]) - ![Qantas Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QF.svg) Qantas Airways [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:syd,departure:27/10/2025TANYT&leg2=from:syd,to:sea,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QF"}}]) - ![Emirates](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EK.svg) Emirates [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:syd,departure:27/10/2025TANYT&leg2=from:syd,to:sea,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EK"}}]) - ![Qatar Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:syd,departure:27/10/2025TANYT&leg2=from:syd,to:sea,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![Asiana Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OZ.svg) Asiana Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:syd,departure:27/10/2025TANYT&leg2=from:syd,to:sea,departure:03/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OZ"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Seattle (SEA) to Sydney (SYD) Prices were available within the past 7 days and start at CA $409 for one-way flights and CA $1,061 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Philippine Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PR.gif) Sun, Feb 15 - Wed, Feb 18 SEA Seattle SYD Sydney CA $1,061 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SYD,departure:15/02/2026TANYT&leg2=from:SYD,to:SEA,departure:18/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1060.08&airProductToken=AQpSCicI0KQBEgMxMjUYkgEgrFso6qSFAzDVq4UDOE9AAFgBcgZPTFhCVVMKJwjQpAESAzIxMRisWyCSHiiNtIUDMJq4hQM4T0ABWAFyBk9MWEJVUwpSCicI0KQBEgMyMTIYkh4grFsog7mFAzD8vIUDOE9AAFgBcgZPTFhCVVMKJwjQpAESAzEyNBisWyCSASjQv4UDMKDFhQM4T0ABWAFyBk9MWEJVUxIKCAEQARgBKgJQUhgBIgQIARABKAIoAygEMAE) ![All Nippon Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/NH.gif) Sun, Aug 2 - Wed, Aug 5 SEA Seattle SYD Sydney CA $1,137 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SYD,departure:02/08/2026TANYT&leg2=from:SYD,to:SEA,departure:05/08/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1136.99&airProductToken=AQpqCjMIzpABEgMxMTcYkgEgpxsogoSUAzD4iJQDOExAAFgBaghFQ09CQVNJQ3IITExYMFdXVzIKMwjOkAESAzg4ORinGyCSHiinj5QDMOuTlAM4TEABWAFqCEVDT0JBU0lDcghMTFgwV1dXMgpqCjMIzpABEgM4ODAYkh4gpxso75-UAzC9pJQDOExAAFgBaghFQ09CQVNJQ3IITExXMFdXVzIKMwjOkAESAzExOBinGyCSASjfq5QDMIWwlAM4TEABWAFqCEVDT0JBU0lDcghMTFcwV1dXMhIKCAEQARgBKgJOSBgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Jan 18 - Sat, Jan 31 SEA Seattle SYD Sydney CA $1,242 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SYD,departure:18/01/2026TANYT&leg2=from:SYD,to:SEA,departure:31/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1241.98&airProductToken=AQpgCi4IwaYBEgQ4MTY2GJIBIKdbKITjggMw_uWCAzhRQABYAWoCTUFyCFFMRlVSVE1BCi4IwaYBEgQ4NDUxGKdbIJIeKK3mggMwreuCAzhRQAFYAWoCTUFyCFFMRlVSVE1BCmAKLgjBpgESBDg0NTIYkh4gp1sooPODAzD994MDOFFAAFgBagJNQXIIUUxGVVJUTUEKLgjBpgESBDgxMzMYp1sgkgEol_mDAzDu-4MDOFFAAVgBagJNQXIIUUxGVVJUTUESCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Mon, Nov 10 - Thu, Dec 11 SEA Seattle SYD Sydney CA $1,242 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SYD,departure:10/11/2025TANYT&leg2=from:SYD,to:SEA,departure:11/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1242.00&airProductToken=AQpDCiAIyIIBEgQ2MjYyGJIBIKdbKOTa_AIw1t38AjhMQABYAQofCMiCARIDODUxGKdbIJIeKIPe_AIwjeP8AjhMQAFYAQpCCh8IyIIBEgM4NTIYkh4gp1sowLX_AjCTuv8COExAAFgBCh8IyIIBEgM4MjIYp1sgkgEorrv_AjD_vf8COEdAAVgBEgoIARABGAEqAkhBGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Aug 17 - Wed, Sep 2 SEA Seattle SYD Sydney CA $1,487 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SYD,departure:17/08/2026TANYT&leg2=from:SYD,to:SEA,departure:02/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1486.78&airProductToken=AQpoCjMIwYIBEgQ2NDM4GJIBIIu4ASjsq5UDMJ2tlQM4T0AAWAFqBkJBU0lDQnIIT0pYMEZaWloKMQjBggESAjczGIu4ASCSHijyr5UDMPG2lQM4QkABWAFqBkJBU0lDQnIIT0pYMEZaWloKaAoxCMGCARICNzIYkh4gi7gBKK7VlgMw7NuWAzhCQABYAWoGQkFTSUNCcghPSlgwRlpaWgozCMGCARIENjQzOBiLuAEgkgEon96WAzDM35YDOE9AAVgBagZCQVNJQ0JyCE9KWDBGWlpaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Aug 17 - Wed, Sep 2 SEA Seattle SYD Sydney CA $1,511 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SYD,departure:17/08/2026TANYT&leg2=from:SYD,to:SEA,departure:02/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1510.78&airProductToken=AQqlAQo1CMSYARIEMTEyMBiSASDyEiiuq5UDMLCslQM4RUAAWAFqCU1BSU5CQVNJQ3IIVkxYMFhQQkQKNgjEmAESBDExNjEY8hIgi7gBKM6slQMwyq2VAzhFQAFYAWoJTUFJTkJBU0lDcghWTFgwWFBCRAo0CMSYARICNDEYi7gBIJIeKNSvlQMw07aVAzhFQAFYAWoJTUFJTkJBU0lDcghWTFgwWFBCRApuCjQIxJgBEgI0MBiSHiCLuAEovdWWAzDx25YDOEVAAFgBaglNQUlOQkFTSUNyCFZMWDBYUEJECjYIxJgBEgQyNjQwGIu4ASCSASij4ZYDMNDilgM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYMFhQQkQSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sun, Jul 5 - Wed, Jul 22 SEA Seattle SYD Sydney CA $1,554 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SYD,departure:05/07/2026TANYT&leg2=from:SYD,to:SEA,departure:22/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1553.98&airProductToken=AQpmCjIIwYYBEgQ4ODAzGJIBILiNASj8xZEDMMDGkQM4S0AAWAFqBUJBU0lDcghLTFhCNjJCQQowCMGGARICMzMYuI0BIJIeKPTLkQMwoNORAzhLQAFYAWoFQkFTSUNyCEtMWEI2MkJBCmYKMAjBhgESAjM0GJIeILiNASj4_JIDMNmDkwM4S0AAWAFqBUJBU0lDcghLTFhCNjJCQQoyCMGGARIEODgwNhi4jQEgkgEo3oiTAzCgiZMDOEtAAVgBagVCQVNJQ3IIS0xYQjYyQkESCggCEAEYAioCQUMYASIECAEQASgCKAMoBDAN) ![Qantas Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QF.gif) Sun, Mar 8 - Tue, Mar 24 SEA Seattle SYD Sydney CA $1,631 Roundtrip found 21 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SYD,departure:08/03/2026TANYT&leg2=from:SYD,to:SEA,departure:24/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1630.10&airProductToken=AQpgCi4I0YwBEgQzNzI2GJIBIIu4ASjrjYcDMIyPhwM4T0AAWAFqBEVDU0xyBU9KWDBWCi4I0YwBEgQ0MTEyGIu4ASCSHijVkYcDMOiYhwM4T0AAWAFqBEVDU0xyBU9KWDBWCl4KLAjRjAESAjExGJIeIIu4ASi1uogDMO7AiAM4T0AAWAFqBEVDU0xyBU9KWDBWCi4I0YwBEgQzMDIyGIu4ASCSASj5wYgDMK3DiAM4T0AAWAFqBEVDU0xyBU9KWDBWEgoIARABGAEqAlFGGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Nov 10 - Wed, Dec 10 SEA Seattle SYD Sydney CA $1,651 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SYD,departure:10/11/2025TANYT&leg2=from:SYD,to:SEA,departure:10/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1650.60&airProductToken=AQpDCiAI1YIBEgQyNjMyGJIBILJxKNDg_AIw2eH8AjhHQABYAQofCNWCARIDODYzGLJxIJIeKJri_AIwt-n8AjhHQAFYAQpDCh8I1YIBEgM4NzAYkh4gsnEo5qX_AjCarP8COEdAAFgBCiAI1YIBEgQxMzU1GLJxIJIBKNit_wIw4q7_AjhHQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![Fiji Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fj.gif) Wed, May 6 - Wed, May 27 SEA Seattle SYD Sydney CA $1,675 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SYD,departure:06/05/2026TANYT&leg2=from:SYD,to:SEA,departure:27/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1674.17&airProductToken=AQqOAQouCMaUARIENTgxMRiSASCycSjcpowDMN6njAM4VEAAWAFqA1ZBTHIHVFZMVVNBRAotCMaUARIDODcxGLJxII1oKKGpjAMwnK6MAzhUQAFYAWoDVkFMcgdUVkxVU0FECi0IxpQBEgM5MTEYjWggkh4ojLCMAzCpsowDOFRAAVgBagNWQUxyB1RWTFVTQUQKjgEKLQjGlAESAzkxMBiSHiCNaCjjiI4DML-KjgM4VEAAWAFqA1ZBTHIHVFZMVVNBRAotCMaUARIDODcwGI1oILJxKIeMjgMwgpGOAzhUQAFYAWoDVkFMcgdUVkxVU0FECi4IxpQBEgQ1ODIyGLJxIJIBKLOSjgMwtJOOAzhUQAFYAWoDVkFMcgdUVkxVU0FEEgoIARABGAEqAkZKGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Seattle (SEA) to Sydney (SYD) ### August is typically the cheapest month to fly From CA $1,004 - CA $1,624 per traveller. ## Alternative airports near Sydney Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:SYD,departure:27/10/2025TANYT&leg2=from:SYD,to:SEA,departure:10/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SYD Kingsford Smith Intl. Cheapest 16 min [Flights from CA $1,629](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:SYD,departure:27/10/2025TANYT&leg2=from:SYD,to:SEA,departure:10/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much is a flight from Sea-Tac Airport to Sydney Airport? > Start packing your suitcase, because round-trip journeys from Sea-Tac Airport to Sydney Airport start from CA $1,061. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Kingsford Smith Intl. Airport (SYD)? > This can vary between airlines, as each has its own terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find easy-to-follow instructions on how to cancel your flight online. ### How do I find cheap flights from SEA to Kingsford Smith Intl. Airport (SYD) that have flexible change policies? > Use our "No change fees" filter to find flexible travel options for your flight from Sea-Tac Airport to Mascot Airport. This allows you to secure a great deal ahead of time and still have the freedom to make changes without any additional fees. If the new flight costs more, you'll just cover the difference. ### How many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to Kingsford Smith Intl. Airport (SYD)? > The flight time from SEA to Sydney Airport is about 21 hours and 30 minutes. It's is no small journey, so make sure you fill your carry-on bag with whatever you need to be comfortable. ### How far is the flight from SEA to SYD? > You'll have 12,500 kilometres to cover on the long-haul SeaTac to Sydney route. Dress in comfy clothes and consider taking a pair of noise-cancelling earphones. ### Which airlines fly direct from Sea-Tac Airport to SYD? > If you want to fly straight from SEA to Mascot Airport, you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly on this route. ### Are Sea-Tac Airport to Mascot Airport flight tickets cheaper when they're purchased at the last minute? > Booking your trip from SEA to Mascot Airport last minute could be your ticket to an awesome deal. However, it could end up costing you a whole lot more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia. ## Travel information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Kingsford Smith Intl. | | Airlines serving | Air Canada, Air New Zealand, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, Emirates, Fiji Airways, Hawaiian Airlines, Korean Air, Philippine Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Turkish Airlines, United | | Roundtrip price | CA $1,060 | | Distance | 12399 km | ## Book with confidence ### Seattle to Sydney Flights **The easy way to book your flights from Seattle to Sydney**  With Expedia, it’s simple to find and book flights to Sydney from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Kingsford Smith Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Sydney today, tomorrow, or this week.   **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Kingsford Smith Intl., SYD**  Sort your search results by price to find great deals on your flight from Seattle to Sydney—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Sydney from Seattle currently is just CA $1,061 rising to CA $1,675.   Here are more money-saving tips:  - Fly in February when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Sydney   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Sydney from Seattle**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Sydney with Expedia today. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - [Lgbt Friendly Hotels in Arncliffe](https://www.expedia.ca/Arncliffe-Sydney-Hotels-LGBT-Friendly-Hotel.0-n7593-0-tLGBTFriendlyHotel.Travel-Guide-Filter-Hotels) - [Arncliffe Hotels](https://www.expedia.ca/Arncliffe-Sydney-Hotels.0-n7593-0.Travel-Guide-Filter-Hotels) - [Banksia Hotels](https://www.expedia.ca/Banksia-Sydney-Hotels.0-n553248634333829255-0.Travel-Guide-Filter-Hotels) - [Botany Hotels](https://www.expedia.ca/Botany-Sydney-Hotels.0-n178375-0.Travel-Guide-Filter-Hotels) - [Brighton-Le-Sands Hotels](https://www.expedia.ca/Brighton-Le-Sands-Sydney-Hotels.0-n178148-0.Travel-Guide-Filter-Hotels) - [Bayside Council Hotels](https://www.expedia.ca/Destinations-In-Bayside-Council.d553248634333010502.Hotel-Destinations) - [Dulwich Hill Hotels](https://www.expedia.ca/Dulwich-Hill-Sydney-Hotels.0-n553248634380752549-0.Travel-Guide-Filter-Hotels) - [Earlwood Hotels](https://www.expedia.ca/Earlwood-Sydney-Hotels.0-n3000435225-0.Travel-Guide-Filter-Hotels) - [Enmore Hotels](https://www.expedia.ca/Enmore-Sydney-Hotels.0-n553248634380756457-0.Travel-Guide-Filter-Hotels) - [Erskineville Hotels](https://www.expedia.ca/Erskineville-Sydney-Hotels.0-n553248633988735652-0.Travel-Guide-Filter-Hotels) - [Hotels near Lakes Golf Club](https://www.expedia.ca/Lakes-Golf-Club-Hotels.0-l553248621532609504-0.Travel-Guide-Filter-Hotels) - [Hotels near Marrickville Market](https://www.expedia.ca/Marrickville-Market-Hotels.0-l553248621564886223-0.Travel-Guide-Filter-Hotels) - [Hotels with Kitchenettes in Marrickville](https://www.expedia.ca/Marrickville-Sydney-Hotels-Hotels-With-Kitchenettes.0-n178125-0-tHotelswithKitchenettes.Travel-Guide-Filter-Hotels) - [Meriton Hotels in Marrickville](https://www.expedia.ca/Marrickville-Sydney-Hotels-Meriton.0-n178125-0--bMeriton.Travel-Guide-Filter-Hotels) - [Marrickville Hotels](https://www.expedia.ca/Marrickville-Sydney-Hotels.0-n178125-0.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Mascot](https://www.expedia.ca/Mascot-Sydney-Hotels-Cheap-Hotels.0-n178124-0-tCheapHotels.Travel-Guide-Filter-Hotels) - [Mascot Hotels](https://www.expedia.ca/Mascot-Sydney-Hotels.0-n178124-0.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Rockdale](https://www.expedia.ca/Rockdale-Sydney-Hotels-Cheap-Hotels.0-n178119-0-tCheapHotels.Travel-Guide-Filter-Hotels) - [Lgbt Friendly Hotels in Rockdale](https://www.expedia.ca/Rockdale-Sydney-Hotels-LGBT-Friendly-Hotel.0-n178119-0-tLGBTFriendlyHotel.Travel-Guide-Filter-Hotels) - [Rockdale Hotels](https://www.expedia.ca/Rockdale-Sydney-Hotels.0-n178119-0.Travel-Guide-Filter-Hotels) - [Rosebery Hotels](https://www.expedia.ca/Rosebery-Sydney-Hotels.0-n553248634374222706-0.Travel-Guide-Filter-Hotels) - [Cheap Hotels in St Peters](https://www.expedia.ca/St-Peters-Sydney-Hotels-Cheap-Hotels.0-n6342052-0-tCheapHotels.Travel-Guide-Filter-Hotels) - [St Peters Hotels](https://www.expedia.ca/St-Peters-Sydney-Hotels.0-n6342052-0.Travel-Guide-Filter-Hotels) - [Sydenham Hotels](https://www.expedia.ca/Sydenham-Sydney-Hotels.0-n6130131-0.Travel-Guide-Filter-Hotels) - [Sydney Hotels](https://www.expedia.ca/Sydney-Hotels.d178312.Travel-Guide-Hotels) - [Cheap Hotels in Wolli Creek](https://www.expedia.ca/Wolli-Creek-Sydney-Hotels-Cheap-Hotels.0-n6132064-0-tCheapHotels.Travel-Guide-Filter-Hotels) - [Wolli Creek Hotels](https://www.expedia.ca/Wolli-Creek-Sydney-Hotels.0-n6132064-0.Travel-Guide-Filter-Hotels) - [Flights to Sydney](https://www.expedia.ca/Cheap-Flights-To-Sydney.d178312.Travel-Guide-Flights) - [Flights from Kitchener to Blue Mountains](https://www.expedia.ca/lp/flights/10579/6035338/kitchener-to-blue-mountains) - [Flights from Hanoi to Northern Beaches](https://www.expedia.ca/lp/flights/1428/6134420/hanoi-to-northern-beaches) - [Flights from Amsterdam to North Shore Sydney](https://www.expedia.ca/lp/flights/178229/6049746/amsterdam-to-north-shore-sydney) - [Flights from Atlanta to Inner West](https://www.expedia.ca/lp/flights/178232/6047420/atlanta-to-inner-west) - [Flights from Austin to Blue Mountains](https://www.expedia.ca/lp/flights/178234/6035338/austin-to-blue-mountains) - [Flights from Baltimore to Blue Mountains](https://www.expedia.ca/lp/flights/178235/6035338/baltimore-to-blue-mountains) - [Flights from Baltimore to Northern Beaches](https://www.expedia.ca/lp/flights/178235/6134420/baltimore-to-northern-beaches) - [Flights from Boston to East Sydney](https://www.expedia.ca/lp/flights/178239/181434/boston-to-east-sydney) - [Flights from Boston to Pittwater](https://www.expedia.ca/lp/flights/178239/3000419311/boston-to-pittwater) - [Flights from Boston to Inner West](https://www.expedia.ca/lp/flights/178239/6047420/boston-to-inner-west) - [Flights from Dallas to East Sydney](https://www.expedia.ca/lp/flights/178253/181434/dallas-to-east-sydney) - [Flights from Dallas to Blue Mountains](https://www.expedia.ca/lp/flights/178253/6035338/dallas-to-blue-mountains) - [Flights from Dallas to Inner West](https://www.expedia.ca/lp/flights/178253/6047420/dallas-to-inner-west) - [Flights from Dallas to North Shore Sydney](https://www.expedia.ca/lp/flights/178253/6049746/dallas-to-north-shore-sydney) - [Flights from Denver to Greater Western Sydney](https://www.expedia.ca/lp/flights/178254/6049608/denver-to-greater-western-sydney) - [Flights from Detroit to Blue Mountains](https://www.expedia.ca/lp/flights/178255/6035338/detroit-to-blue-mountains) - [Flights from Detroit to Greater Western Sydney](https://www.expedia.ca/lp/flights/178255/6049608/detroit-to-greater-western-sydney) - [Flights from Dublin to Blue Mountains](https://www.expedia.ca/lp/flights/178256/6035338/dublin-to-blue-mountains) - [Flights from Houston to Blue Mountains](https://www.expedia.ca/lp/flights/178265/6035338/houston-to-blue-mountains) - [Flights from Las Vegas to Blue Mountains](https://www.expedia.ca/lp/flights/178276/6035338/las-vegas-to-blue-mountains) - [Flights from Las Vegas to North Shore Sydney](https://www.expedia.ca/lp/flights/178276/6049746/las-vegas-to-north-shore-sydney) - [Flights from London to Blue Mountains](https://www.expedia.ca/lp/flights/178279/6035338/london-to-blue-mountains) - [Flights from Melbourne to Blue Mountains](https://www.expedia.ca/lp/flights/178283/6035338/melbourne-to-blue-mountains) - [Flights from Melbourne to Inner West](https://www.expedia.ca/lp/flights/178283/6047420/melbourne-to-inner-west) - [Flights from Melbourne to Northern Beaches](https://www.expedia.ca/lp/flights/178283/6134420/melbourne-to-northern-beaches) - [Flights from Minneapolis - St. Paul to Greater Western Sydney](https://www.expedia.ca/lp/flights/178287/6049608/minneapolis-st-paul-to-greater-western-sydney) - [Flights from Montreal to Blue Mountains](https://www.expedia.ca/lp/flights/178288/6035338/montreal-to-blue-mountains) - [Flights from Moscow to Blue Mountains](https://www.expedia.ca/lp/flights/178289/6035338/moscow-to-blue-mountains) - [Flights from New York to Blue Mountains](https://www.expedia.ca/lp/flights/178293/6035338/new-york-to-blue-mountains) - [Flights from Ottawa to Blue Mountains](https://www.expedia.ca/lp/flights/178296/6035338/ottawa-to-blue-mountains) - [Flights from Philadelphia to Blue Mountains](https://www.expedia.ca/lp/flights/178297/6035338/philadelphia-to-blue-mountains) - [Flights from Phoenix to East Sydney](https://www.expedia.ca/lp/flights/178298/181434/phoenix-to-east-sydney) - [Flights from Phoenix to Inner West](https://www.expedia.ca/lp/flights/178298/6047420/phoenix-to-inner-west) - [Flights from Portland to East Sydney](https://www.expedia.ca/lp/flights/178299/181434/portland-to-east-sydney) - [Flights from Portland to Inner West](https://www.expedia.ca/lp/flights/178299/6047420/portland-to-inner-west) - [Flights from Rio de Janeiro to Blue Mountains](https://www.expedia.ca/lp/flights/178301/6035338/rio-de-janeiro-to-blue-mountains) - [Flights from San Francisco to Blue Mountains](https://www.expedia.ca/lp/flights/178305/6035338/san-francisco-to-blue-mountains) - [Flights from Santiago to Inner West](https://www.expedia.ca/lp/flights/178306/6047420/santiago-to-inner-west) - [Flights from Santiago to Northern Beaches](https://www.expedia.ca/lp/flights/178306/6134420/santiago-to-northern-beaches) - [Flights from Seattle to East Sydney](https://www.expedia.ca/lp/flights/178307/181434/seattle-to-east-sydney) - [Flights from Seattle to Blue Mountains](https://www.expedia.ca/lp/flights/178307/6035338/seattle-to-blue-mountains) - [Flights from Toronto to Blue Mountains](https://www.expedia.ca/lp/flights/178314/6035338/toronto-to-blue-mountains) - [Flights from Vancouver to Blue Mountains](https://www.expedia.ca/lp/flights/178315/6035338/vancouver-to-blue-mountains) - [Flights from Paris to Blue Mountains](https://www.expedia.ca/lp/flights/179898/6035338/paris-to-blue-mountains) - [Flights from Tokyo to Blue Mountains](https://www.expedia.ca/lp/flights/179900/6035338/tokyo-to-blue-mountains) - [Flights from Brisbane to Blue Mountains](https://www.expedia.ca/lp/flights/179993/6035338/brisbane-to-blue-mountains) - [Flights from Christchurch to Blue Mountains](https://www.expedia.ca/lp/flights/179996/6035338/christchurch-to-blue-mountains) - [Flights from Delhi to Blue Mountains](https://www.expedia.ca/lp/flights/180000/6035338/delhi-to-blue-mountains) - [Flights from Edmonton to Northern Beaches](https://www.expedia.ca/lp/flights/180002/6134420/edmonton-to-northern-beaches) - [Flights from Perth to Northern Beaches](https://www.expedia.ca/lp/flights/180013/6134420/perth-to-northern-beaches) - [Flights from Chennai to East Sydney](https://www.expedia.ca/lp/flights/181449/181434/chennai-to-east-sydney) - [Flights from London to Blue Mountains](https://www.expedia.ca/lp/flights/4127/6035338/london-to-blue-mountains) - [Flights from Newark to Blue Mountains](https://www.expedia.ca/lp/flights/601760/6035338/newark-to-blue-mountains) - [Flights from Newark to Greater Western Sydney](https://www.expedia.ca/lp/flights/601760/6049608/newark-to-greater-western-sydney) - [Flights from Newark to North Shore Sydney](https://www.expedia.ca/lp/flights/601760/6049746/newark-to-north-shore-sydney) - [Flights from Birmingham to Blue Mountains](https://www.expedia.ca/lp/flights/602981/6035338/birmingham-to-blue-mountains) - [Flights from Jacksonville to Blue Mountains](https://www.expedia.ca/lp/flights/602997/6035338/jacksonville-to-blue-mountains) - [Flights from Canberra to Blue Mountains](https://www.expedia.ca/lp/flights/6049663/6035338/canberra-to-blue-mountains) - [Flights from Incheon to Blue Mountains](https://www.expedia.ca/lp/flights/6049715/6035338/incheon-to-blue-mountains) - [Flights from Mumbai to Wollongong](https://www.expedia.ca/lp/flights/6050062/10427/mumbai-to-wollongong) - [Flights from Mumbai to Blue Mountains](https://www.expedia.ca/lp/flights/6050062/6035338/mumbai-to-blue-mountains) - [Flights from Mumbai to Northern Beaches](https://www.expedia.ca/lp/flights/6050062/6134420/mumbai-to-northern-beaches) - [Flights from Hannover to Blue Mountains](https://www.expedia.ca/lp/flights/6050602/6035338/hannover-to-blue-mountains) - [Flights from Adelaide to Blue Mountains](https://www.expedia.ca/lp/flights/6051330/6035338/adelaide-to-blue-mountains) - [Flights from Sapporo to Blue Mountains](https://www.expedia.ca/lp/flights/6054145/6035338/sapporo-to-blue-mountains) - [Flights from Newcastle-upon-Tyne to Blue Mountains](https://www.expedia.ca/lp/flights/6084526/6035338/newcastle-upon-tyne-to-blue-mountains) - [Flights from Montreal (YUL) to Palm Beach (LBH)](https://www.expedia.ca/lp/flights/yul/lbh/montreal-to-palm-beach) - [Visit Earlwood](https://www.expedia.ca/Sydney-Earlwood.dx3000435225) - [Visit Marrickville](https://www.expedia.ca/Sydney-Marrickville.dx178125) - [Visit Mascot](https://www.expedia.ca/Sydney-Mascot.dx178124) - [Visit Wolli Creek](https://www.expedia.ca/Sydney-Wolli-Creek.dx6132064) - [Car rentals near Mascot](https://www.expedia.ca/Car-Rentals-In-Mascot.d178124.Car-Rental-Guide) \*Available to Expedia members.