Title: CA $126 Cheap Flights from Seattle (SEA) to Ontario (ONT) - Expedia.ca ![Ontario showing night scenes and street scenes](https://images.trvl-media.com/place/2680/6f6cbfd1-6188-4a75-9ba7-05d8edf0fb1d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Ontario Convention & Visitors Bureau / Jon Edwards. ![](https://images.trvl-media.com/place/2680/6f6cbfd1-6188-4a75-9ba7-05d8edf0fb1d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $126 Cheap Flights from Seattle (SEA) to Ontario (ONT) [View CA $126 flight on Sat, Nov 15, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:ONT,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:125.80&airProductToken=AQowCi4IwaYBEgM2NjQYkgEgrpsBKNiV_QIw9Zb9AjhYQABYAWoCU1ZyCEdIMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) - [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 Los Angeles - Ontario Intl. Airport (ONT) - ![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:ont,departure:05/11/2025TANYT&leg2=from:ont,to:sea,departure:12/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:ont,departure:05/11/2025TANYT&leg2=from:ont,to:sea,departure:12/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:ont,departure:05/11/2025TANYT&leg2=from:ont,to:sea,departure:12/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:ont,departure:05/11/2025TANYT&leg2=from:ont,to:sea,departure:12/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:ont,departure:05/11/2025TANYT&leg2=from:ont,to:sea,departure:12/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:ont,departure:05/11/2025TANYT&leg2=from:ont,to:sea,departure:12/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:ont,departure:05/11/2025TANYT&leg2=from:ont,to:sea,departure:12/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) ![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 Ontario (ONT) Prices were available within the past 7 days and start at CA $126 for one-way flights and CA $167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Dec 5 - Sat, Dec 6 SEA Seattle ONT Ontario CA $167 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:05/12/2025TANYT&leg2=from:ONT,to:SEA,departure:06/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:166.40&airProductToken=AQoiCiAIwaYBEgM0ODkYkgEgrpsBKMf6_gIw4fv-AjhYQABYAQoiCiAIwaYBEgM2MDcYrpsBIJIBKOj-_gIwmYD_AjhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Sat, Dec 6 - Sun, Dec 7 SEA Seattle ONT Ontario CA $195 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:06/12/2025TANYT&leg2=from:ONT,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:194.60&airProductToken=AQojCiEIyIIBEgQ2ODM2GJIBIK6bASiLgP8CMKeB_wI4VUAAWAEKIwohCMiCARIENjM2MRiumwEgkgEoiIr_AjC5i_8COFVAAFgBEgoIARABGAEqAkhBGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, Nov 11 - Sat, Nov 15 SEA Seattle ONT Ontario CA $222 Roundtrip found 21 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:11/11/2025TANYT&leg2=from:ONT,to:SEA,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:221.50&airProductToken=AQojCiEIwaYBEgQxMzY0GJIBIK6bASjW5vwCMPnn_AI4WEAAWAEKIgogCMGmARIDNjY1GK6bASCSASirl_0CMNOY_QI4WEAAWAESCggBEAEYASoCQVMYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, Nov 13 - Thu, Nov 20 SEA Seattle ONT Ontario CA $224 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:13/11/2025TANYT&leg2=from:ONT,to:SEA,departure:20/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:223.97&airProductToken=AQo4CjYIxJgBEgQ0MDk2GJIBIK6bASiR_fwCMLz-_AI4RUAAWAFqCU1BSU5CQVNJQ3IIWEFWU0EwQkQSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, Nov 13 - Sun, Nov 16 SEA Seattle ONT Ontario CA $236 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:13/11/2025TANYT&leg2=from:ONT,to:SEA,departure:16/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:235.40&airProductToken=AQojCiEIxJgBEgQ0MDMxGJIBIK6bASj7__wCMKWB_QI4RUAAWAEKIwohCMSYARIENDA0MhiumwEgkgEolZ79AjDNn_0COEVAAFgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, Nov 24 - Thu, Nov 27 SEA Seattle ONT Ontario CA $243 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:24/11/2025TANYT&leg2=from:ONT,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:242.80&airProductToken=AQoiCiAIwaYBEgM0ODkYkgEgrpsBKIX__QIwn4D-AjhYQABYAQoiCiAIwaYBEgM2MDcYrpsBIJIBKMiZ_gIw9pr-AjhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Jan 7 - Tue, Jan 13 SEA Seattle ONT Ontario CA $248 Roundtrip found 17 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:07/01/2026TANYT&leg2=from:ONT,to:SEA,departure:13/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:247.30&airProductToken=AQowCi4IwaYBEgM1OTIYkgEgrpsBKLjsgQMw1O2BAzhYQABYAWoCU1ZyCE9IMkVYVkJOCjAKLgjBpgESAzY2NRiumwEgkgEog6-CAzCusIIDOFhAAFgBagJTVnIIT0gyRVhWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Jan 7 - Tue, Jan 13 SEA Seattle ONT Ontario CA $249 Roundtrip found 17 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:07/01/2026TANYT&leg2=from:ONT,to:SEA,departure:13/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:248.30&airProductToken=AQo4CjYIxJgBEgQ0MDI3GJIBIK6bASir7YEDMM7ugQM4RUAAWAFqCU1BSU5CQVNJQ3IIWEZWU0gzQkMKOAo2CMSYARIENDAzMRiumwEgkgEogK-CAzC0sIIDOEVAAFgBaglNQUlOQkFTSUNyCFhGVlNIM0JDEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Nov 11 - Fri, Nov 28 SEA Seattle ONT Ontario CA $346 Roundtrip found 21 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:11/11/2025TANYT&leg2=from:ONT,to:SEA,departure:28/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:345.40&airProductToken=AQpECiAI1YIBEgQxMzMwGJIBILJxKIDp_AIwh-r8AjhLQABYAQogCNWCARIDMjE2GLJxIK6bASit6vwCMP7q_AI4S0ABWAEKRQohCNWCARIEMjA3MhiumwEgsnEo1qv-AjCqrP4COEtAAFgBCiAI1YIBEgQyNDYyGLJxIJIBKNSs_gIw263-AjhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Dec 15 - Tue, Dec 16 SEA Seattle ONT Ontario CA $425 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:15/12/2025TANYT&leg2=from:ONT,to:SEA,departure:16/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:425.00&airProductToken=AQppCjIIwYIBEgQyMDczGJIBIO-5ASif6P8CMMjp_wI4QkAAWAFqBUJBU0lDcghTVkFLWk5CWAozCMGCARIEMTc4MhjvuQEgrpsBKP3q_wIwyOv_AjhCQAFYAWoFQkFTSUNyCFNWQUtaTkJYCmkKMwjBggESBDE1OTEYrpsBIO-5ASi57_8CMIbw_wI4QkAAWAFqBUJBU0lDcghPVkFIWlNCVgoyCMGCARIEMjA3MxjvuQEgkgEox_H_AjCN8_8COEJAAVgBagVCQVNJQ3IIT1ZBSFpTQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ## Find the cheapest month to fly from Seattle (SEA) to Ontario (ONT) ### November is typically the cheapest month to fly From CA $110 - CA $322 per traveller. ## Alternative airports near Ontario Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:PAE,to:SNA,departure:05/11/2025TANYT&leg2=from:SNA,to:PAE,departure:12/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SNA John Wayne 42 min [Flights from CA $446](https://www.expedia.ca/Flights-Search?leg1=from:PAE,to:SNA,departure:05/11/2025TANYT&leg2=from:SNA,to:PAE,departure:12/11/2025TANYT&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 to Ontario Airport? > Round-trip journeys from SEA to Los Angeles - Ontario Intl. Airport (ONT) start from CA $167. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. 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 ONT? > Every air carrier has its own terms and conditions. If you decide to cancel your trip, head to our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Sea-Tac Airport to ONT that have flexible change policies? > Use our "No change fees" filter to find flexible ticketing options for your flight from SEA to Ontario Airport. This allows you to secure a good price in advance and still have the freedom to reschedule without any extra fees. Just keep in mind that fare differences may still apply. ### How many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to ONT? > Sit back, select an in-flight TV show and 2 hours and 40 minutes will fly by in a jiffy. That's how long it takes to reach ONT from Sea-Tac Airport. ### How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Ontario Airport? > It's around 1,550 kilometres between Sea-Tac Airport and ONT, so expect to be up in the air for a while. Keep yourself occupied with things like your e-reader or a good old-fashioned book. ### Which airlines fly direct from Sea-Tac Airport to Los Angeles - Ontario Intl. Airport (ONT)? > A popular airline that services the route from Sea-Tac Airport to Los Angeles - Ontario Intl. Airport (ONT) is Alaska Airlines (AS). It offers 95 flights a month. Operating 60 flights a month along this route, Delta (DL) is another good choice. ### Are SEA to ONT flight tickets cheaper when they're purchased at the last minute? > Flight prices are constantly going up and down, so not always. While last-minute deals between Sea-Tac Airport and Los Angeles - Ontario Intl. Airport (ONT) are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some air carriers publish their prices up to 12 months prior to the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking and be ready to lock in your seat when the fares dip. ## Travel information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Los Angeles - Ontario Intl. | | Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United | | Roundtrip price | CA $166 | | Distance | 1530 km | | Average flight time | 2 hours 41 mins | ## Book with confidence ### Seattle to Los Angeles Flights **The easy way to book your flights from Seattle to Ontario**  With Expedia, it’s simple to find and book flights to Ontario 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 Los Angeles - Ontario 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 Ontario today, tomorrow, or this week.   **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Los Angeles - Ontario Intl., ONT**  Sort your search results by price to find great deals on your flight from Seattle to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Seattle currently is just CA $167 rising to CA $425.   Here are more money-saving tips:  - Fly in December when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Ontario   - 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 Ontario 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. 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[Flights from Stockholm to Ontario](https://www.expedia.ca/lp/flights/178311/2680/stockholm-to-ontario) - [Flights from Vienna to Ontario](https://www.expedia.ca/lp/flights/178316/2680/vienna-to-ontario) - [Flights from Kemi to Ontario](https://www.expedia.ca/lp/flights/1786/2680/kemi-to-ontario) - [Flights from Paris to Ontario](https://www.expedia.ca/lp/flights/179898/2680/paris-to-ontario) - [Flights from Geneva to Ontario](https://www.expedia.ca/lp/flights/180003/2680/geneva-to-ontario) - [Flights from St. Petersburg to Ontario](https://www.expedia.ca/lp/flights/180029/2680/st-petersburg-to-ontario) - [Flights from Kingston to Ontario](https://www.expedia.ca/lp/flights/180034/2680/kingston-to-ontario) - [Flights from Missoula to Ontario](https://www.expedia.ca/lp/flights/180035/2680/missoula-to-ontario) - [Flights from Kathmandu to Ontario](https://www.expedia.ca/lp/flights/1938/2680/kathmandu-to-ontario) - [Flights from Ketchikan to Ontario](https://www.expedia.ca/lp/flights/1939/2680/ketchikan-to-ontario) - [Flights from North Platte to Ontario](https://www.expedia.ca/lp/flights/2017/2680/north-platte-to-ontario) - [Flights from Lebanon to Ontario](https://www.expedia.ca/lp/flights/2041/2680/lebanon-to-ontario) - [Flights from Lisbon to Ontario](https://www.expedia.ca/lp/flights/2080/2680/lisbon-to-ontario) - [Flights from Luton to Ontario](https://www.expedia.ca/lp/flights/2151/2680/luton-to-ontario) - [Flights from Ludhiana to Ontario](https://www.expedia.ca/lp/flights/2158/2680/ludhiana-to-ontario) - [Flights from Ely to Ontario](https://www.expedia.ca/lp/flights/2191/2680/ely-to-ontario) - [Flights from McAllen to Ontario](https://www.expedia.ca/lp/flights/2270/2680/mcallen-to-ontario) - [Flights from Minto to Ontario](https://www.expedia.ca/lp/flights/2379/2680/minto-to-ontario) - [Flights from Minot to Ontario](https://www.expedia.ca/lp/flights/2392/2680/minot-to-ontario) - [Flights from Massena to Ontario](https://www.expedia.ca/lp/flights/2429/2680/massena-to-ontario) - [Flights from Marathon to Ontario](https://www.expedia.ca/lp/flights/2437/2680/marathon-to-ontario) - [Flights from Montería to Ontario](https://www.expedia.ca/lp/flights/2444/2680/monteria-to-ontario) - [Flights from Qiqihar to Ontario](https://www.expedia.ca/lp/flights/2537/2680/qiqihar-to-ontario) - [Flights from Napier to Ontario](https://www.expedia.ca/lp/flights/2593/2680/napier-to-ontario) - [Flights from Odesa to Ontario](https://www.expedia.ca/lp/flights/2639/2680/odesa-to-ontario) - [Flights from Oxnard to Ontario](https://www.expedia.ca/lp/flights/2725/2680/oxnard-to-ontario) - [Flights from Accra to Ontario](https://www.expedia.ca/lp/flights/280/2680/accra-to-ontario) - [Flights from Plattsburgh to Ontario](https://www.expedia.ca/lp/flights/2816/2680/plattsburgh-to-ontario) - [Flights from Presque Isle to Ontario](https://www.expedia.ca/lp/flights/2868/2680/presque-isle-to-ontario) - [Flights from Pevek to Ontario](https://www.expedia.ca/lp/flights/2915/2680/pevek-to-ontario) - [Flights from Puerto Escondido to Ontario](https://www.expedia.ca/lp/flights/2918/2680/puerto-escondido-to-ontario) - [Flights from Ribeirao Preto to Ontario](https://www.expedia.ca/lp/flights/2940/2680/ribeirao-preto-to-ontario) - [Flights from Dexter to Ontario](https://www.expedia.ca/lp/flights/3000448346/2680/dexter-to-ontario) - [Flights from Singapore to Ontario](https://www.expedia.ca/lp/flights/3168/2680/singapore-to-ontario) - [Flights from Wroclaw to Ontario](https://www.expedia.ca/lp/flights/3820/2680/wroclaw-to-ontario) - [Flights from West Yellowstone to Ontario](https://www.expedia.ca/lp/flights/3846/2680/west-yellowstone-to-ontario) - [Flights from Dauphin to Ontario](https://www.expedia.ca/lp/flights/3923/2680/dauphin-to-ontario) - [Flights from Kelowna to Ontario](https://www.expedia.ca/lp/flights/3997/2680/kelowna-to-ontario) - [Flights from Powell River to Ontario](https://www.expedia.ca/lp/flights/4040/2680/powell-river-to-ontario) - [Flights from Deer Lake to Ontario](https://www.expedia.ca/lp/flights/4107/2680/deer-lake-to-ontario) - [Flights from Medicine Hat to Ontario](https://www.expedia.ca/lp/flights/4118/2680/medicine-hat-to-ontario) - [Flights from Charlottetown to Ontario](https://www.expedia.ca/lp/flights/4136/2680/charlottetown-to-ontario) - [Flights from Manzanillo to Ontario](https://www.expedia.ca/lp/flights/4182/2680/manzanillo-to-ontario) - [Flights from Newman to Ontario](https://www.expedia.ca/lp/flights/4185/2680/newman-to-ontario) - [Flights from Aurillac to Ontario](https://www.expedia.ca/lp/flights/459/2680/aurillac-to-ontario) - [Flights from Fort St. John to Ontario](https://www.expedia.ca/lp/flights/57378/2680/fort-st-john-to-ontario) - [Flights from Myrtle Beach to Ontario](https://www.expedia.ca/lp/flights/601685/2680/myrtle-beach-to-ontario) - [Flights from Wilmington to Ontario](https://www.expedia.ca/lp/flights/601746/2680/wilmington-to-ontario) - [Flights from Oakland to Ontario](https://www.expedia.ca/lp/flights/601762/2680/oakland-to-ontario) - [Flights from Krabi to Ontario](https://www.expedia.ca/lp/flights/602231/2680/krabi-to-ontario) - [Flights from Worcester to Ontario](https://www.expedia.ca/lp/flights/6023336/2680/worcester-to-ontario) - [Flights from Scranton to Ontario](https://www.expedia.ca/lp/flights/6023532/2680/scranton-to-ontario) - [Flights from St.-Pierre to Ontario](https://www.expedia.ca/lp/flights/6024035/2680/st-pierre-to-ontario) - [Flights from Norfolk - Virginia Beach to Ontario](https://www.expedia.ca/lp/flights/602904/2680/norfolk-virginia-beach-to-ontario) - [Flights from Winston - Salem to Ontario](https://www.expedia.ca/lp/flights/602969/2680/winston-salem-to-ontario) - [Flights from Swanton to Ontario](https://www.expedia.ca/lp/flights/6048172/2680/swanton-to-ontario) - [Flights from Incheon to Ontario](https://www.expedia.ca/lp/flights/6049715/2680/incheon-to-ontario) - [Flights from Colombier-Saugnieu to Ontario](https://www.expedia.ca/lp/flights/6050113/2680/colombier-saugnieu-to-ontario) - [Flights from Show Low to Ontario](https://www.expedia.ca/lp/flights/6054779/2680/show-low-to-ontario) - [Flights from Alamosa to Ontario](https://www.expedia.ca/lp/flights/6056801/2680/alamosa-to-ontario) - [Flights from Salisbury to Ontario](https://www.expedia.ca/lp/flights/6057491/2680/salisbury-to-ontario) - [Flights from Castlegar to Ontario](https://www.expedia.ca/lp/flights/6058314/2680/castlegar-to-ontario) - [Flights from Topeka to Ontario](https://www.expedia.ca/lp/flights/6058365/2680/topeka-to-ontario) - [Flights from Chilliwack to Ontario](https://www.expedia.ca/lp/flights/6058408/2680/chilliwack-to-ontario) - [Flights from Lumberton to Ontario](https://www.expedia.ca/lp/flights/6058436/2680/lumberton-to-ontario) - [Flights from Brainerd to Ontario](https://www.expedia.ca/lp/flights/6059985/2680/brainerd-to-ontario) - [Flights from Sacheon to Ontario](https://www.expedia.ca/lp/flights/6084629/2680/sacheon-to-ontario) - [Flights from Mount Pleasant to Ontario](https://www.expedia.ca/lp/flights/6084665/2680/mount-pleasant-to-ontario) - [Flights from Winnipeg to Rancho Cucamonga](https://www.expedia.ca/lp/flights/6141041/7732/winnipeg-to-rancho-cucamonga) - [Flights from Taoyuan City to Ontario](https://www.expedia.ca/lp/flights/6177728/2680/taoyuan-city-to-ontario) - [Flights from Santa Cruz to Ontario](https://www.expedia.ca/lp/flights/6666/2680/santa-cruz-to-ontario) - [Flights from Beaumont to Ontario](https://www.expedia.ca/lp/flights/667/2680/beaumont-to-ontario) - [Flights from Gypsum to Ontario](https://www.expedia.ca/lp/flights/7367/2680/gypsum-to-ontario) - [Flights from Greeley to Ontario](https://www.expedia.ca/lp/flights/7545/2680/greeley-to-ontario) - [Flights from Cortez to Ontario](https://www.expedia.ca/lp/flights/810/2680/cortez-to-ontario) - [Flights from Karlovy Vary to Ontario](https://www.expedia.ca/lp/flights/8307/2680/karlovy-vary-to-ontario) - [Flights from Calama to Ontario](https://www.expedia.ca/lp/flights/847/2680/calama-to-ontario) - [Flights from Ogden to Ontario](https://www.expedia.ca/lp/flights/9180/2680/ogden-to-ontario) - [Flights from Okushiri to Ontario](https://www.expedia.ca/lp/flights/9189/2680/okushiri-to-ontario) - [Flights from Cusco to Ontario](https://www.expedia.ca/lp/flights/941/2680/cusco-to-ontario) - [Flights from Scottsdale to Ontario](https://www.expedia.ca/lp/flights/9829/2680/scottsdale-to-ontario) - [Flights from Toronto (YYZ) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/yyz/lax/toronto-to-los-angeles) \*Available to Expedia members.