Title: Cheap Flights to Ocosta , WA from CA $167 - Expedia.ca ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.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) # Cheap Flights to Ocosta , WA from CA $167 [View CA $167 flight on Fri, Apr 24, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YEG,to:SEA,departure:24/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:166.74&airProductToken=AQpnCjEIwYYBEgMyMzEYmDEguI0BKN-ZiwMwxpqLAzhHQABYAWoFQkFTSUNyCEdOQTRBMkJBCjIIwYYBEgQ4Nzk4GLiNASCSASiim4sDMOObiwM4R0ABWAFqBUJBU0lDcghHTkE0QTJCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Flight 1 Leaving from Going to Departing Flight 2 Leaving from Going to Departing [Hotels in Ocosta](https://expedia.ca/Ocosta-Hotels.d553248635975869026.Travel-Guide-Hotels)[Ocosta Car Rentals](https://expedia.ca/Car-Rentals-In-Ocosta.d553248635975869026.Car-Rental-Guide)[Ocosta Vacation Packages](https://expedia.ca/Ocosta.d553248635975869026.Destination-Travel-Guides) ## Popular 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:CMH,to:Ocosta, Washington, United States of America,departure:27/02/2026TANYT&leg2=from:Ocosta, Washington, United States of America,to:CMH,departure:06/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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:CMH,to:Ocosta, Washington, United States of America,departure:27/02/2026TANYT&leg2=from:Ocosta, Washington, United States of America,to:CMH,departure:06/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](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:CMH,to:Ocosta, Washington, United States of America,departure:27/02/2026TANYT&leg2=from:Ocosta, Washington, United States of America,to:CMH,departure:06/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](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:CMH,to:Ocosta, Washington, United States of America,departure:27/02/2026TANYT&leg2=from:Ocosta, Washington, United States of America,to:CMH,departure:06/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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:CMH,to:Ocosta, Washington, United States of America,departure:27/02/2026TANYT&leg2=from:Ocosta, Washington, United States of America,to:CMH,departure:06/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](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:CMH,to:Ocosta, Washington, United States of America,departure:27/02/2026TANYT&leg2=from:Ocosta, Washington, United States of America,to:CMH,departure:06/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](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:CMH,to:Ocosta, Washington, United States of America,departure:27/02/2026TANYT&leg2=from:Ocosta, Washington, United States of America,to:CMH,departure:06/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](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\* - ![](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\* - ![](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) ## How much is the cheapest flight to Ocosta? Prices were available within the past 7 days and start at CA $167 for one-way flights and CA $270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Apr 4 - Sat, Apr 18 YEG Edmonton SEA Seattle CA $270 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YEG,to:SEA,departure:04/04/2026TANYT&leg2=from:SEA,to:YEG,departure:18/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:269.80&airProductToken=AQpFCiAIwYYBEgMyMzEYmDEguI0BKN-4iQMwxrmJAzhHQABYAQohCMGGARIEODc5OBi4jQEgkgEoorqJAzDhuokDOEdAAVgBCkYKIQjBhgESBDg4MDEYkgEguI0BKLjWigMw-9aKAzhHQABYAQohCMGGARIEMjA3NBi4jQEgmDEoxNeKAzCi2IoDOEdAAVgBEgoIARABGAEqAkFDGAEiBAgBEAEoCCgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Mar 20 - Mon, Mar 23 YEG Edmonton SEA Seattle CA $277 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YEG,to:SEA,departure:20/03/2026TANYT&leg2=from:SEA,to:YEG,departure:23/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:276.42&airProductToken=AQpDCh8I1YIBEgM0NzUYmDEgg2konZSIAzDGlYgDOE5AAFgBCiAI1YIBEgQyNjUxGINpIJIBKO6WiAMwp5iIAzhOQAFYAQpECiAI1YIBEgQyNjAxGJIBIINpKNCxiAMw7rKIAzhOQABYAQogCNWCARIEMTgxNhiDaSCYMSj1t4gDMKS5iAM4TkABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Sun, May 10 - Fri, May 15 YYC Calgary SEA Seattle CA $289 Roundtrip found 2 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:SEA,departure:10/05/2026TANYT&leg2=from:SEA,to:YYC,departure:15/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:288.77&airProductToken=AQoiCiAI16YBEgQxNTUwGJgWIJIBKPXOjAMw6M-MAzhBQABYAQoiCiAI16YBEgQxNTUzGJIBIJgWKLqIjQMwnomNAzhBQABYARIKCAEQARgBKgJXUxgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Mar 2 - Sun, Mar 8 YYC Calgary PDX Portland CA $309 Roundtrip found 12 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:PDX,departure:02/03/2026TANYT&leg2=from:PDX,to:YYC,departure:08/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:308.96&airProductToken=AQpFCiAIxJgBEgQ0MDcyGJgWIPISKNDGhgMw5seGAzhFQABYAQohCMSYARIEMTI0NBjyEiDvuAEoiMqGAzCIy4YDOEVAAVgBCkUKIQjEmAESBDEyNzAY77gBIPISKJ2JhwMwkIqHAzhFQABYAQogCMSYARIEMzcwNRjyEiCYFii9iocDMMSLhwM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, May 13 - Sat, May 16 YYC Calgary SEA Seattle CA $311 Roundtrip found 13 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:SEA,departure:13/05/2026TANYT&leg2=from:SEA,to:YYC,departure:16/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:310.53&airProductToken=AQowCi4IwaYBEgQyMzA4GJgWIJIBKPvxjAMw6PKMAzhYQABYAWoCU1ZyCE9INE9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA) ### October is typically the cheapest month to fly From CA $193 - CA $305 per traveller. ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.ca/deals?rfrr=FTG_SPRING_PROMO_) Expedia.ca gives you the best tools to secure great deals on flights to Ocosta. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Ocosta. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Ocosta. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Ocosta flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Ocosta. Looking to save even more? Get additional savings by bundling your Ocosta flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Ocosta trip! __Flights to Ocosta information__ | Destination airport | Lake Union Seaplane Base | | ----------------------------- | ------------------------ | | Destination airport IATA code | LKE | | Destination city name | Seattle | | Roundtrip price | CA $231 | ## Trending flights to Ocosta Prices were available within the past 7 days and start at CA $167 for one-way flights and CA $270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Mar 10 - Sat, Mar 14 YYC Calgary SEA Seattle CA $281 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:SEA,departure:10/03/2026TANYT&leg2=from:SEA,to:YYC,departure:14/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:280.37&airProductToken=AQpFCiAIwYYBEgMyMDMYmBYguI0BKMmfhwMwtaCHAzhHQABYAQohCMGGARIEODc5OBi4jQEgkgEogqGHAzC_oYcDOEdAAVgBCkUKIQjBhgESBDg4MDcYkgEguI0BKLDRhwMw89GHAzhHQABYAQogCMGGARIDMjI0GLiNASCYFij40ocDMNHThwM4R0ABWAESCggBEAEYASoCQUMYASIECAEQASgIKAQwAQ) \*Available to Expedia members.