Title: CA $574 Cheap Flights from Columbia (COU) to Seattle (SEA) - Expedia.ca ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $574 Cheap Flights from Columbia (COU) to Seattle (SEA) [View CA $574 flight on Wed, Feb 11, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:573.50&airProductToken=AQpmCjII1YIBEgQ1ODQxGMKjASCuHCiN8oQDMO3yhAM4UUAAWAFqBTJfZWNvcghRQUE0QURFTgowCNWCARIDMzY3GK4cIJIBKI_0hAMwpvaEAzhRQABYAWoFMl9lY29yCFFBQTRBREVOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) - [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 Columbia, MO (COU-Columbia Regional) to Seattle-Tacoma International Airport (SEA) - ![](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:COU,to:SEA,departure:16/02/2026TANYT&leg2=from:SEA,to:COU,departure:23/02/2026TANYT&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:COU,to:SEA,departure:16/02/2026TANYT&leg2=from:SEA,to:COU,departure:23/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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) ## Cheap flights from Columbia (COU) to Seattle (SEA) Prices were available within the past 7 days and start at CA $574 for one-way flights and CA $566 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 11 - Wed, Feb 18 COU Columbia SEA Seattle CA $566 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&leg2=from:SEA,to:COU,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:565.40&airProductToken=AQpnCjII1YIBEgQ1NjA5GMKjASCuHCjR8IQDMLvxhAM4TEAAWAFqBTJfZWNvcghMRkE0QURETgoxCNWCARIEMTYxNxiuHCCSASiI84QDMKH1hAM4TEAAWAFqBTJfZWNvcghMRkE0QURETgpnCjEI1YIBEgQxMzk4GJIBIK4cKM_BhQMwxMOFAzhLQABYAWoFMl9lY29yCEtGQTJBREROCjII1YIBEgQ1Njc5GK4cIMKjASj2xIUDMNXFhQM4S0AAWAFqBTJfZWNvcghLRkEyQUREThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 11 - Wed, Feb 18 COU Columbia SEA Seattle CA $573 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&leg2=from:SEA,to:COU,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:572.70&airProductToken=AQqcAQoyCNWCARIENTg1NxjCowEgg2ko9fCEAzCY8oQDOExAAFgBagUyX2Vjb3IITEZBNEFERE4KMgjVggESBDEyNTIYg2kgi7gBKOTzhAMw_vSEAzhMQABYAWoFMl9lY29yCExGQTRBREROCjII1YIBEgQ0NzAzGIu4ASCSASjN9YQDMIv3hAM4TEAAWAFqBTJfZWNvcghMRkE0QURETgpmCjAI1YIBEgM3NDcYkgEgrhwo38eFAzDMyYUDOEtAAFgBagUyX2Vjb3IIS0ZBMkFERE4KMgjVggESBDYwMTIYrhwgwqMBKITLhQMw4cuFAzhLQABYAWoFMl9lY29yCEtGQTJBREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 11 - Wed, Feb 18 COU Columbia SEA Seattle CA $593 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&leg2=from:SEA,to:COU,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:592.10&airProductToken=AQqaAQoyCNWCARIENTg0MRjCowEgrhwojfKEAzDt8oQDOExAAFgBagUyX2Vjb3IITEZBNEFERE4KMQjVggESBDIzNDcYrhwgg2ko1POEAzCG9YQDOExAAFgBagUyX2Vjb3IITEZBNEFERE4KMQjVggESBDE4NjUYg2kgkgEooPaEAzDb94QDOExAAFgBagUyX2Vjb3IITEZBNEFERE4KZwoxCNWCARIEMTM5OBiSASCuHCjPwYUDMMTDhQM4S0AAWAFqBTJfZWNvcghLRkEyQURETgoyCNWCARIENTY3ORiuHCDCowEo9sSFAzDVxYUDOEtAAFgBagUyX2Vjb3IIS0ZBMkFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 11 - Wed, Feb 18 COU Columbia SEA Seattle CA $597 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&leg2=from:SEA,to:COU,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:596.40&airProductToken=AQqcAQoyCNWCARIENTg1NxjCowEgg2ko9fCEAzCY8oQDOExAAFgBagUyX2Vjb3IITEZBNEFERE4KMgjVggESBDEwMTMYg2kgi7gBKM7yhAMw7_OEAzhMQABYAWoFMl9lY29yCExGQTRBREROCjII1YIBEgQ0NzAzGIu4ASCSASjN9YQDMIv3hAM4TEAAWAFqBTJfZWNvcghMRkE0QURETgpmCjAI1YIBEgM3NDcYkgEgrhwo38eFAzDMyYUDOEtAAFgBagUyX2Vjb3IIS0ZBMkFERE4KMgjVggESBDYwMTIYrhwgwqMBKITLhQMw4cuFAzhLQABYAWoFMl9lY29yCEtGQTJBREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 11 - Wed, Feb 18 COU Columbia SEA Seattle CA $608 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&leg2=from:SEA,to:COU,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:607.10&airProductToken=AQpnCjII1YIBEgQ1ODU3GMKjASCDaSj18IQDMJjyhAM4TEAAWAFqBTJfZWNvcghMRkE0QURETgoxCNWCARIEMTQyNBiDaSCSASjq8oQDMKX0hAM4TEAAWAFqBTJfZWNvcghMRkE0QURETgqYAQowCNWCARIDNjExGJIBILJxKPO_hQMw_sCFAzhMQABYAWoFMl9lY29yCExGQTRBREROCjAI1YIBEgM0ODgYsnEgrhwopMKFAzCpxIUDOExAAFgBagUyX2Vjb3IITEZBNEFERE4KMgjVggESBDU2NzkYrhwgwqMBKPbEhQMw1cWFAzhMQABYAWoFMl9lY29yCExGQTRBREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 11 - Wed, Feb 18 COU Columbia SEA Seattle CA $620 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&leg2=from:SEA,to:COU,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:619.20&airProductToken=AQpmCjII1YIBEgQ1ODQxGMKjASCuHCiN8oQDMO3yhAM4TEAAWAFqBTJfZWNvcghMRkE0QURETgowCNWCARIDMzY3GK4cIJIBKI_0hAMwpvaEAzhMQABYAWoFMl9lY29yCExGQTRBREROCmYKMAjVggESAzc1NxiSASCDaSjHwoUDMO3DhQM4TEAAWAFqBTJfZWNvcghMRkE0QURETgoyCNWCARIENTc5NxiDaSDCowEonsSFAzCQxYUDOExAAFgBagUyX2Vjb3IITEZBNEFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 11 - Wed, Feb 18 COU Columbia SEA Seattle CA $627 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&leg2=from:SEA,to:COU,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:626.50&airProductToken=AQqaAQoyCNWCARIENTg1NxjCowEgg2ko9fCEAzCY8oQDOExAAFgBagUyX2Vjb3IITEZBNEFERE4KMQjVggESBDE4MTIYg2kgsnEo0_OEAzD_9IQDOExAAFgBagUyX2Vjb3IITEZBNEFERE4KMQjVggESBDIwMTkYsnEgkgEoz_aEAzDY94QDOExAAFgBagUyX2Vjb3IITEZBNEFERE4KZgowCNWCARIDNzU3GJIBIINpKMfChQMw7cOFAzhMQABYAWoFMl9lY29yCExGQTRBREROCjII1YIBEgQ1Nzk3GINpIMKjASiexIUDMJDFhQM4TEAAWAFqBTJfZWNvcghMRkE0QUREThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 11 - Wed, Feb 18 COU Columbia SEA Seattle CA $635 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&leg2=from:SEA,to:COU,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:635.00&airProductToken=AQqaAQoyCNWCARIENTg1NxjCowEgg2ko9fCEAzCY8oQDOFRAAFgBagUyX2Vjb3IIVEZBN0FERE4KMQjVggESBDE4MTIYg2kgsnEo0_OEAzD_9IQDOFRAAFgBagUyX2Vjb3IIVEZBN0FERE4KMQjVggESBDIyNzkYsnEgkgEoqvWEAzCz9oQDOFRAAFgBagUyX2Vjb3IIVEZBN0FERE4KZgowCNWCARIDNzQ3GJIBIK4cKN_HhQMwzMmFAzhLQABYAWoFMl9lY29yCEtGQTJBREROCjII1YIBEgQ2MDEyGK4cIMKjASiEy4UDMOHLhQM4S0AAWAFqBTJfZWNvcghLRkEyQUREThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 11 - Wed, Feb 18 COU Columbia SEA Seattle CA $639 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&leg2=from:SEA,to:COU,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:638.50&airProductToken=AQprCjQI1YIBEgQ1NjA5GMKjASCuHCjR8IQDMLvxhAM4TEAAWAFqB0VDT05PTVlyCExGQTRBREROCjMI1YIBEgQxNjE3GK4cIJIBKIjzhAMwofWEAzhMQAFYAWoHRUNPTk9NWXIITEZBNEFERE4KagoyCNWCARIDNzE0GJIBIK4cKOS_hQMw2sGFAzhHQABYAWoHRUNPTk9NWXIIR0FBMkFYRFMKNAjVggESBDU2NzkYrhwgwqMBKPbEhQMw1cWFAzhLQAFYAWoHRUNPTk9NWXIIS0ZBMkFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Feb 11 - Wed, Feb 18 COU Columbia SEA Seattle CA $765 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:COU,to:SEA,departure:11/02/2026TANYT&leg2=from:SEA,to:COU,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:764.30&airProductToken=AQpmCjIIwYIBEgQzNjU1GMKjASCuHCjQ74QDMLDwhAM4QkAAWAFqBUJBU0lDcghRMEZXVU5CWgowCMGCARIDNDc4GK4cIJIBKJryhAMwsvSEAzhCQAFYAWoFQkFTSUNyCFEwRldVTkJaCmgKMQjBggESAzcxNxiSASCjsQEogMOFAzD2xIUDOEJAAFgBagVCQVNJQ3IIUTBGV1VOQloKMwjBggESBDM0NDAYo7EBIMKjASiyxYUDMJjGhQM4QkABWAFqBUJBU0lDcghRMEZXVU5CWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) __Flight from Columbia to Seattle (COU - SEA) route information__ | Origin airport | Columbia Regional | | ------------------- | ---------------------- | | Destination airport | Seattle - Tacoma Intl. | | Roundtrip price | CA $565 | | Distance | 2587 km | ## Columbia to Seattle Flights **The easy way to book your flights from Columbia to Seattle** With Expedia, it’s simple to find and book flights to Seattle from Columbia 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 Seattle - Tacoma 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 Columbia to Seattle today, tomorrow, or this week. **Save dollars with cheap flights from Columbia Regional, COU to Seattle - Tacoma Intl., SEA** Sort your search results by price to find great deals on your flight from Columbia to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Columbia currently is just CA $566 rising to CA $1,010\. 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 Seattle - 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 Seattle from Columbia** 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 Seattle with Expedia today. ## Frequently asked questions ### How much is a flight from COU to Sea-Tac Airport? ### Do I need to pay a cancellation fee if I cancel my flight from COU to Sea-Tac Airport? ### How do I find cheap flights from COU to SEA that have flexible change policies? ### How many hours is the flight from Columbia Regional Airport to SEA? ### How far is the flight from Columbia Regional Airport to Sea-Tac Airport? ### Which airlines fly direct from Columbia Regional Airport (COU) to Seattle - Tacoma Intl. Airport (SEA)? ### Are Columbia Regional Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute? \*Available to Expedia members.