Title: CA $474 Cheap Flights from Seattle (SEA) to Lisbon (LIS) - Expedia.ca ![Alfama Lisbon Cityscape](https://images.trvl-media.com/place/2080/038736b5-861a-47d0-a0cf-3fec8d44eb84.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/2080/038736b5-861a-47d0-a0cf-3fec8d44eb84.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $474 Cheap Flights from Seattle (SEA) to Lisbon (LIS) [View CA $474 flight on Fri, Mar 6, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:LIS,departure:06/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:473.09&airProductToken=AQpmCjAIzJABEgM0ODkYkgEgjBUozveGAzCm_IYDOFRAAFgBagVFTFQwMHIIVEw5OTBMR1QKMgjMkAESBDE3NzgYjBUgi5IBKN38hgMwoP6GAzhUQABYAWoFRUxUMDByCFRMOTkwTEdUEgoIARABGAEqAkxIGAEiBAgBEAEoAigDKAQwCw) - [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 Humberto Delgado Airport (LIS) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:lis,departure:18/10/2025TANYT&leg2=from:lis,to:sea,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![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:lis,departure:18/10/2025TANYT&leg2=from:lis,to:sea,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![Turkish Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:lis,departure:18/10/2025TANYT&leg2=from:lis,to:sea,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:lis,departure:18/10/2025TANYT&leg2=from:lis,to:sea,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Iberia](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:lis,departure:18/10/2025TANYT&leg2=from:lis,to:sea,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![Virgin Atlantic](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg) Virgin Atlantic [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:lis,departure:18/10/2025TANYT&leg2=from:lis,to:sea,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![Finnair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AY.svg) Finnair [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:lis,departure:18/10/2025TANYT&leg2=from:lis,to:sea,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}]) ![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 Lisbon (LIS) Prices were available within the past 7 days and start at CA $474 for one-way flights and CA $616 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Sat, Nov 29 - Sun, Dec 7 SEA Seattle LIS Lisbon CA $616 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LIS,departure:29/11/2025TANYT&leg2=from:LIS,to:SEA,departure:07/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:615.28&airProductToken=AQplCjAIxpIBEgM2ODAYkgEgiikoi7T-AjDXt_4COE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMQjGkgESAzU3OBiKKSCLkgEooLz-AjCkvv4COE5AAVgBagVMSUdIVHIITkoyUVVTTFQKZQoxCMaSARIDNTc5GIuSASCKKSjAjf8CMM6P_wI4TkAAWAFqBUxJR0hUcghOSjJRVVNMVAowCMaSARIDNjgxGIopIJIBKNyW_wIwvJr_AjhOQAFYAWoFTElHSFRyCE5KMlFVU0xUEgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Sun, Mar 15 - Fri, Mar 27 SEA Seattle LIS Lisbon CA $690 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LIS,departure:15/03/2026TANYT&leg2=from:LIS,to:SEA,departure:27/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:689.57&airProductToken=AQpsCjMIzJABEgM0ODkYkgEgjBUo7tyHAzDG4YcDOExAAFgBaghFQ09MSUdIVHIITExYNzZMR1QKNQjMkAESBDE3ODAYjBUgi5IBKN_mhwMwouiHAzhMQAFYAWoIRUNPTElHSFRyCExMWDc2TEdUCmwKNQjMkAESBDExNzMYi5IBIKUEKKzbiAMw5dyIAzhMQABYAWoIRUNPTElHSFRyCExMWDc2TEdUCjMIzJABEgM0OTAYpQQgkgEosN2IAzC64ogDOExAAVgBaghFQ09MSUdIVHIITExYNzZMR1QSCggBEAEYASoCTEgYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Jan 6 - Tue, Jan 20 SEA Seattle LIS Lisbon CA $700 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LIS,departure:06/01/2026TANYT&leg2=from:LIS,to:SEA,departure:20/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:699.67&airProductToken=AQppCjIIwYIBEgQ2OTA5GJIBIOuJASiF34EDMMTjgQM4T0AAWAFqBUJBU0lDcghPTFg3VDFCVgozCMGCARIENjg0NBjriQEgi5IBKOblgQMwleeBAzhTQAFYAWoFQkFTSUNyCE9MWDdUMUJWCmYKMQjBggESAzI1ORiLkgEg71ko3veCAzC5-4IDOEJAAFgBagVCQVNJQ3IIT0xYN1QxQlYKMQjBggESBDIzMTEY71kgkgEo1v2CAzDPgIMDOEJAAVgBagVCQVNJQ3IIT0xYN1QxQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Nov 17 - Mon, Nov 24 SEA Seattle LIS Lisbon CA $701 Roundtrip found 3 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LIS,departure:17/11/2025TANYT&leg2=from:LIS,to:SEA,departure:24/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:700.50&airProductToken=AQpFCiEI1YIBEgQxMTk3GJIBIMSNASicqf0CMNir_QI4TEAAWAEKIAjVggESAjY0GMSNASCLkgEota79AjDKsf0COExAAVgBCkUKIQjVggESBDkxNTkYi5IBIKUEKMzz_QIwhfX9AjhMQABYAQogCNWCARIEODcxNxilBCCSASjQ9f0CMNr6_QI4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, Jan 6 - Tue, Jan 20 SEA Seattle LIS Lisbon CA $702 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LIS,departure:06/01/2026TANYT&leg2=from:LIS,to:SEA,departure:20/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:701.10&airProductToken=AQpmCjAIwoIBEgI1MhiSASDriQEohd-BAzDE44EDOE9AAFgBagVOT0JBR3IIT0xYN1QxQlYKMgjCggESAzUxMBjriQEgi5IBKJXngQMwxOiBAzhPQAFYAWoFTk9CQUdyCE9MWDdUMUJWCmcKMgjCggESBDE1NzcYi5IBIO9ZKN73ggMwufuCAzhPQABYAWoFTk9CQUdyCE9MWDdUMUJWCjEIwoIBEgQ2NzMwGO9ZIJIBKNb9ggMwz4CDAzhPQAFYAWoFTk9CQUdyCE9MWDdUMUJWEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Mar 24 - Wed, Apr 1 SEA Seattle LIS Lisbon CA $706 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LIS,departure:24/03/2026TANYT&leg2=from:LIS,to:SEA,departure:01/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:705.61&airProductToken=AQqaAQoyCMGGARIEODgwMxiSASC4jQEoob-IAzDiv4gDOExAAFgBagVCQVNJQ3IITExYNzZMR1QKMQjBhgESAzMwOBi4jQEgmF0o38CIAzD8wogDOExAAVgBagVCQVNJQ3IITExYNzZMR1QKMQjBhgESAzgxMhiYXSCLkgEo28OIAzDwxogDOExAAVgBagVCQVNJQ3IITExYNzZMR1QKZwoyCMGGARIDODExGIuSASCYzgEo5paJAzDamokDOExAAFgBagVCQVNJQ3IITExYNzZMR1QKMQjBhgESAzU0MxiYzgEgkgEoopyJAzDjnokDOExAAVgBagVCQVNJQ3IITExYNzZMR1QSCggCEAEYAioCQUMYASIECAEQASgCKAMoBDAN) ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Mon, Oct 20 - Mon, Nov 3 SEA Seattle LIS Lisbon CA $721 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LIS,departure:20/10/2025TANYT&leg2=from:LIS,to:SEA,departure:03/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:720.82&airProductToken=AQpiCi4IxZIBEgI1MhiSASCDDSj78_oCMJz4-gI4T0AAWAFqBFNBVlJyCE9MWDJUMUJWCjAIxZIBEgM0ODYYgw0gi5IBKIn7-gIws_z6AjhBQAFYAWoEU0FWUnIIT0xYMlQxQlYKYgowCMWSARIDNDgzGIuSASCDDSiKivwCMLmL_AI4UEAAWAFqBFNBVlJyCE9MVzJUMUJWCi4IxZIBEgI1MxiDDSCSASjejPwCMKyR_AI4T0ABWAFqBFNBVlJyCE9MVzJUMUJWEgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwDQ) ![Scandinavian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SK.gif) Tue, Mar 17 - Sat, Mar 21 SEA Seattle LIS Lisbon CA $722 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LIS,departure:17/03/2026TANYT&leg2=from:LIS,to:SEA,departure:21/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:721.30&airProductToken=AQpmCiAI05YBEgQzNDY5GJIBILJxKNTyhwMw4fOHAzhMQABYAQofCNOWARIDOTM2GLJxIOI7KMT0hwMw9PiHAzhMQAFYAQohCNOWARIEMjgwMRjiOyCLkgEouvmHAzCl-4cDOExAAVgBCmYKIQjTlgESBDg5MDQYi5IBIOI7KOmYiAMwypqIAzhMQABYAQofCNOWARIDOTE1GOI7IKlRKIubiAMw2Z-IAzhMQAFYAQogCNOWARIEMzQzMhipUSCSASjMoIgDMNijiAM4TEABWAESCggBEAEYASoCU0sYASIECAEQASgEMAE) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Tue, Nov 18 - Thu, Nov 27 SEA Seattle LIS Lisbon CA $731 Roundtrip found 3 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LIS,departure:18/11/2025TANYT&leg2=from:LIS,to:SEA,departure:27/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:730.90&airProductToken=AQpkCiAIzLABEgQzMjU1GJIBIK4cKM22_QIwwLj9AjhMQABYAQodCMywARIBORiuHCC5PCiyuf0CMMS9_QI4TEABWAEKIQjMsAESBDIwODQYuTwgi5IBKLe-_QIw67_9AjhMQAFYAQplCiEIzLABEgQyMDg1GIuSASC5PCidmv4CMMeb_gI4TEAAWAEKHgjMsAESAjM4GLk8ILJxKP-j_gIw3qn-AjhMQAFYAQogCMywARIEMzI1NhiycSCSASjbqv4CMOOr_gI4TEABWAESCggBEAEYASoCTFgYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Jan 10 - Sun, Jan 18 SEA Seattle LIS Lisbon CA $749 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LIS,departure:10/01/2026TANYT&leg2=from:LIS,to:SEA,departure:18/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:748.07&airProductToken=AQptCjQIxJgBEgM0MjkYkgEgqVEomImCAzDji4IDOEVAAFgBaglNQUlOQkFTSUNyCFZMVzI2U0JBCjUIxJgBEgMyNzIYqVEgi5IBKOuNggMwgJGCAzhFQAFYAWoJTUFJTkJBU0lDcghWTFcyNlNCQQpwCjcIxJgBEgQ5NTk4GIuSASCAkwEorN6CAzDl34IDOEVAAFgBaglNQUlOQkFTSUNyCFZMVzI2U0JBCjUIxJgBEgMxNDMYgJMBIJIBKKvgggMwpuWCAzhFQAFYAWoJTUFJTkJBU0lDcghWTFcyNlNCQRIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from Seattle (SEA) to Lisbon (LIS) ### February is typically the cheapest month to fly From CA $673 - CA $1,542 per traveller. ## Alternative airports near Lisbon 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:LIS,departure:18/10/2025TANYT&leg2=from:LIS,to:SEA,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LIS Humberto Delgado Cheapest [Flights from CA $935](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LIS,departure:18/10/2025TANYT&leg2=from:LIS,to:SEA,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) Flight from Seattle to Lisbon (SEA - LIS) route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Humberto Delgado | | Airlines serving | Aer Lingus, Air Canada, Air Europa, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, TAP Portugal, Turkish Airlines, United, Virgin Atlantic | | Roundtrip price | CA $615 | | Distance | 8323 km | ## Seattle to Lisbon District Flights **The easy way to book your flights from Seattle to Lisbon**  With Expedia, it’s simple to find and book flights to Lisbon 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 Humberto Delgado, 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 Lisbon today, tomorrow, or this week.   **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Humberto Delgado, LIS**  Sort your search results by price to find great deals on your flight from Seattle to Lisbon—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Lisbon from Seattle currently is just CA $616 rising to CA $749.   Here are more money-saving tips:  - Fly in November when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Lisbon   - 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 Lisbon 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 Lisbon with Expedia today. ## Frequently asked questions ### How much is a flight from Sea-Tac Airport to Humberto Delgado Airport (LIS)? > Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Seattle - Tacoma Intl. Airport (SEA) to Lisbon Airport start from CA $616. Book today to get the best price for your journey. 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 Lisbon Airport? > This differs between air carriers, as each one has its own set of terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find simple instructions on how to cancel online. ### How do I find cheap flights from Sea-Tac Airport to LIS that have flexible change policies? > Use our "No change fees" filter to find flexible ticketing options for your flight from Seattle - Tacoma Intl. Airport (SEA) to LIS. This allows you to secure a good price in advance and still have the freedom to reschedule without any additional fees. If the new flight costs more, you'll just cover the difference. ### How many hours is the flight from SEA to LIS? > The flight time from SEA to Lisbon/Portela Airport is approximately 15 hours and 1 minute. It's is no quick joyride, so be sure to fill your carry-on with whatever you need to be comfortable. ### How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Lisbon Airport? > You'll have 8,400 kilometres to cover on the long-haul SeaTac to Lisbon District route. Wear layers of comfortable clothes and consider taking a pair of noise-cancelling headphones. ### Which airlines fly direct from Sea-Tac Airport to Lisbon Airport? > Right now, no airlines offer direct flights from SEA to LIS. You'll need to book a flight with one or more stops. To score the best connections and price, lock in your fare well ahead of time. ### Are Sea-Tac Airport to Lisbon Airport flight tickets cheaper when they're purchased at the last minute? > Late planners can sometimes find a bargain, with some super cheap airfares from Sea-Tac Airport to Lisbon Airport arising a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines advertise prices that far in advance. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Dhahran to Lisbon](https://www.expedia.ca/lp/flights/1005/2080/dhahran-to-lisbon) - [Flights from Kitchener to Lisbon](https://www.expedia.ca/lp/flights/10579/2080/kitchener-to-lisbon) - [Flights from North Battleford to Lisbon](https://www.expedia.ca/lp/flights/10603/2080/north-battleford-to-lisbon) - [Flights from Summerside to Lisbon](https://www.expedia.ca/lp/flights/10610/2080/summerside-to-lisbon) - [Flights from Ebon to Lisbon](https://www.expedia.ca/lp/flights/1095/2080/ebon-to-lisbon) - [Flights from Faro to Lisbon](https://www.expedia.ca/lp/flights/1193/2080/faro-to-lisbon) - [Flights from Dammam to Lisbon](https://www.expedia.ca/lp/flights/11943/2080/dammam-to-lisbon) - [Flights from Whitefish to Lisbon](https://www.expedia.ca/lp/flights/1199/2080/whitefish-to-lisbon) - [Flights from Florence to Lisbon](https://www.expedia.ca/lp/flights/1221/2080/florence-to-lisbon) - [Flights from Great Falls to Lisbon](https://www.expedia.ca/lp/flights/1392/2080/great-falls-to-lisbon) - [Flights from Hermosillo to Lisbon](https://www.expedia.ca/lp/flights/1485/2080/hermosillo-to-lisbon) - [Flights from Amsterdam to Lisbon](https://www.expedia.ca/lp/flights/178229/2080/amsterdam-to-lisbon) - [Flights from Boston to Lisbon](https://www.expedia.ca/lp/flights/178239/2080/boston-to-lisbon) - [Flights from Calgary to Lisbon](https://www.expedia.ca/lp/flights/178245/2080/calgary-to-lisbon) - [Flights from Helsinki to Lisbon](https://www.expedia.ca/lp/flights/178261/2080/helsinki-to-lisbon) - [Flights from London to Lisbon](https://www.expedia.ca/lp/flights/178279/2080/london-to-lisbon) - [Flights from Los Angeles to Lisbon](https://www.expedia.ca/lp/flights/178280/2080/los-angeles-to-lisbon) - [Flights from Madrid to Lisbon](https://www.expedia.ca/lp/flights/178281/2080/madrid-to-lisbon) - [Flights from Montreal to Lisbon](https://www.expedia.ca/lp/flights/178288/2080/montreal-to-lisbon) - [Flights from Nairobi to Lisbon](https://www.expedia.ca/lp/flights/178290/2080/nairobi-to-lisbon) - [Flights from Ottawa to Lisbon](https://www.expedia.ca/lp/flights/178296/2080/ottawa-to-lisbon) - [Flights from Philadelphia to Lisbon](https://www.expedia.ca/lp/flights/178297/2080/philadelphia-to-lisbon) - [Flights from Portland to Lisbon](https://www.expedia.ca/lp/flights/178299/2080/portland-to-lisbon) - [Flights from Stockholm to Lisbon](https://www.expedia.ca/lp/flights/178311/2080/stockholm-to-lisbon) - [Flights from Sydney to Lisbon](https://www.expedia.ca/lp/flights/178312/2080/sydney-to-lisbon) - [Flights from Toronto to Lisbon](https://www.expedia.ca/lp/flights/178314/2080/toronto-to-lisbon) - [Flights from Vancouver to Lisbon](https://www.expedia.ca/lp/flights/178315/2080/vancouver-to-lisbon) - [Flights from Vienna to Lisbon](https://www.expedia.ca/lp/flights/178316/2080/vienna-to-lisbon) - [Flights from Warsaw to Lisbon](https://www.expedia.ca/lp/flights/178317/2080/warsaw-to-lisbon) - [Flights from Delhi to Lisbon](https://www.expedia.ca/lp/flights/180000/2080/delhi-to-lisbon) - [Flights from Edmonton to Lisbon](https://www.expedia.ca/lp/flights/180002/2080/edmonton-to-lisbon) - [Flights from Mazatlán to Lisbon](https://www.expedia.ca/lp/flights/180011/2080/mazatlan-to-lisbon) - [Flights from Perth to Lisbon](https://www.expedia.ca/lp/flights/180013/2080/perth-to-lisbon) - [Flights from Puerto Vallarta to Lisbon](https://www.expedia.ca/lp/flights/180016/2080/puerto-vallarta-to-lisbon) - [Flights from Québec City to Lisbon](https://www.expedia.ca/lp/flights/180017/2080/quebec-city-to-lisbon) - [Flights from Santo Domingo to Lisbon](https://www.expedia.ca/lp/flights/180024/2080/santo-domingo-to-lisbon) - [Flights from Arlanda to Lisbon](https://www.expedia.ca/lp/flights/181064/2080/arlanda-to-lisbon) - [Flights from Lesvos to Lisbon](https://www.expedia.ca/lp/flights/181073/2080/lesvos-to-lisbon) - [Flights from Kosice to Lisbon](https://www.expedia.ca/lp/flights/1920/2080/kosice-to-lisbon) - [Flights from Olbia to Lisbon](https://www.expedia.ca/lp/flights/2664/2080/olbia-to-lisbon) - [Flights from Cork to Lisbon](https://www.expedia.ca/lp/flights/2692/2080/cork-to-lisbon) - [Flights from Poitiers to Lisbon](https://www.expedia.ca/lp/flights/2799/2080/poitiers-to-lisbon) - [Flights from Plattsburgh to Lisbon](https://www.expedia.ca/lp/flights/2816/2080/plattsburgh-to-lisbon) - [Flights from Poznań to Lisbon](https://www.expedia.ca/lp/flights/2858/2080/poznan-to-lisbon) - [Flights from Pescara to Lisbon](https://www.expedia.ca/lp/flights/2886/2080/pescara-to-lisbon) - [Flights from Rioja to Lisbon](https://www.expedia.ca/lp/flights/2995/2080/rioja-to-lisbon) - [Flights from Málaga to Lisbon](https://www.expedia.ca/lp/flights/312/2080/malaga-to-lisbon) - [Flights from Shannon to Lisbon](https://www.expedia.ca/lp/flights/3229/2080/shannon-to-lisbon) - [Flights from Trapani to Lisbon](https://www.expedia.ca/lp/flights/3524/2080/trapani-to-lisbon) - [Flights from Tetouan to Lisbon](https://www.expedia.ca/lp/flights/3559/2080/tetouan-to-lisbon) - [Flights from Vitoria-Gasteiz to Lisbon](https://www.expedia.ca/lp/flights/3709/2080/vitoria-gasteiz-to-lisbon) - [Flights from Sault Ste. Marie to Lisbon](https://www.expedia.ca/lp/flights/3885/2080/sault-ste-marie-to-lisbon) - [Flights from Dauphin to Lisbon](https://www.expedia.ca/lp/flights/3923/2080/dauphin-to-lisbon) - [Flights from Hamilton to Lisbon](https://www.expedia.ca/lp/flights/3963/2080/hamilton-to-lisbon) - [Flights from Kelowna to Lisbon](https://www.expedia.ca/lp/flights/3997/2080/kelowna-to-lisbon) - [Flights from Thunder Bay to Lisbon](https://www.expedia.ca/lp/flights/4054/2080/thunder-bay-to-lisbon) - [Flights from Saskatoon to Lisbon](https://www.expedia.ca/lp/flights/4117/2080/saskatoon-to-lisbon) - [Flights from London to Lisbon](https://www.expedia.ca/lp/flights/4127/2080/london-to-lisbon) - [Flights from Sandspit to Lisbon](https://www.expedia.ca/lp/flights/4148/2080/sandspit-to-lisbon) - [Flights from Sarnia to Lisbon](https://www.expedia.ca/lp/flights/4149/2080/sarnia-to-lisbon) - [Flights from Watertown to Lisbon](https://www.expedia.ca/lp/flights/448/2080/watertown-to-lisbon) - [Flights from Chartres to Lisbon](https://www.expedia.ca/lp/flights/4778/2080/chartres-to-lisbon) - [Flights from Cádiz to Lisbon](https://www.expedia.ca/lp/flights/5121/2080/cadiz-to-lisbon) - [Flights from Huelva to Lisbon](https://www.expedia.ca/lp/flights/5132/2080/huelva-to-lisbon) - [Flights from Ávila to Lisbon](https://www.expedia.ca/lp/flights/55239/2080/avila-to-lisbon) - [Flights from Bergen to Lisbon](https://www.expedia.ca/lp/flights/557/2080/bergen-to-lisbon) - [Flights from Chișinău to Lisbon](https://www.expedia.ca/lp/flights/601844/2080/chisinau-to-lisbon) - [Flights from Cannes to Lisbon](https://www.expedia.ca/lp/flights/602282/2080/cannes-to-lisbon) - [Flights from Astana to Lisbon](https://www.expedia.ca/lp/flights/602528/2080/astana-to-lisbon) - [Flights from Halifax to Lisbon](https://www.expedia.ca/lp/flights/602873/2080/halifax-to-lisbon) - [Flights from Bellingham to Lisbon](https://www.expedia.ca/lp/flights/602922/2080/bellingham-to-lisbon) - [Flights from Liverpool to Lisbon](https://www.expedia.ca/lp/flights/6046241/2080/liverpool-to-lisbon) - [Flights from Villafranca di Verona to Lisbon](https://www.expedia.ca/lp/flights/6048350/2080/villafranca-di-verona-to-lisbon) - [Flights from Mumbai to Lisbon](https://www.expedia.ca/lp/flights/6050062/2080/mumbai-to-lisbon) - [Flights from Bangor to Lisbon](https://www.expedia.ca/lp/flights/6050918/2080/bangor-to-lisbon) - [Flights from Dubai to Lisbon](https://www.expedia.ca/lp/flights/6053839/2080/dubai-to-lisbon) - [Flights from Guatemala City to Lisbon](https://www.expedia.ca/lp/flights/6053902/2080/guatemala-city-to-lisbon) - [Flights from Turin to Lisbon](https://www.expedia.ca/lp/flights/6054998/2080/turin-to-lisbon) - [Flights from Salisbury to Lisbon](https://www.expedia.ca/lp/flights/6057491/2080/salisbury-to-lisbon) - [Flights from Nanjing to Lisbon](https://www.expedia.ca/lp/flights/6084436/2080/nanjing-to-lisbon) - [Flights from Andorra la Vella to Lisbon](https://www.expedia.ca/lp/flights/6110/2080/andorra-la-vella-to-lisbon) - [Flights from North Bay to Lisbon](https://www.expedia.ca/lp/flights/6134289/2080/north-bay-to-lisbon) - [Flights from Praia da Vitoria to Lisbon](https://www.expedia.ca/lp/flights/6140930/2080/praia-da-vitoria-to-lisbon) - [Flights from Winnipeg to Lisbon](https://www.expedia.ca/lp/flights/6141041/2080/winnipeg-to-lisbon) - [Flights from Ipatinga to Lisbon](https://www.expedia.ca/lp/flights/6143225/2080/ipatinga-to-lisbon) - [Flights from Sidoarjo to Lisbon](https://www.expedia.ca/lp/flights/6224764/2080/sidoarjo-to-lisbon) - [Flights from Fua'amotu to Lisbon](https://www.expedia.ca/lp/flights/6276952/2080/fuaamotu-to-lisbon) - [Flights from Saguenay to Lisbon](https://www.expedia.ca/lp/flights/6337152/2080/saguenay-to-lisbon) - [Flights from Edmonton International Airport to Lisbon](https://www.expedia.ca/lp/flights/6337367/2080/edmonton-international-airport-to-lisbon) - [Flights from Bari to Lisbon](https://www.expedia.ca/lp/flights/680/2080/bari-to-lisbon) - [Flights from Bristol to Lisbon](https://www.expedia.ca/lp/flights/688/2080/bristol-to-lisbon) - [Flights from Derby to Lisbon](https://www.expedia.ca/lp/flights/7573/2080/derby-to-lisbon) - [Flights from Mississauga to Lisbon](https://www.expedia.ca/lp/flights/7954/2080/mississauga-to-lisbon) - [Flights from Le Mans to Lisbon](https://www.expedia.ca/lp/flights/8536/2080/le-mans-to-lisbon) - [Flights from Mostar to Lisbon](https://www.expedia.ca/lp/flights/9215/2080/mostar-to-lisbon) - [Flights from Cusco to Lisbon](https://www.expedia.ca/lp/flights/941/2080/cusco-to-lisbon) - [Flights from Portimão to Lisbon](https://www.expedia.ca/lp/flights/9470/2080/portimao-to-lisbon) - [Flights from Perth to Lisbon](https://www.expedia.ca/lp/flights/9481/2080/perth-to-lisbon) - [Flights from Sanford to Lisbon](https://www.expedia.ca/lp/flights/9845/2080/sanford-to-lisbon) - [Flights from Swansea to Lisbon](https://www.expedia.ca/lp/flights/9958/2080/swansea-to-lisbon) \*Available to Expedia members.