Title: CA $122 Cheap American Airlines fights from Seattle to Detroit - Expedia.ca ![Detroit showing a city, a square or plaza and outdoor art](https://images.trvl-media.com/place/178255/90353297-2ee3-4668-84bf-f76c7fce8f7b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178255/90353297-2ee3-4668-84bf-f76c7fce8f7b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $122 Cheap American Airlines fights from Seattle (SEA) to Detroit (DTT) [View CA $122 flight on Thu, Feb 19, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:DTW,departure:19/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:121.60&airProductToken=AQpoCjEIwYIBEgM3NjcYkgEgo7EBKKbNhQMwmM-FAzhCQABYAWoFQkFTSUNyCE9WQUhaU0JYCjMIwYIBEgQyNTA4GKOxASDjtAEog9CFAzCg0YUDOEJAAVgBagVCQVNJQ3IIT1ZBSFpTQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) - [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 - ![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) ## American Airlines flights from Seattle to Detroit (SEA→DTT) Prices were available within the past 7 days and start at CA $122 for one-way flights and CA $239 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Jan 23 - Sat, Jan 24 SEA Seattle DTW Detroit CA $239 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DTW,departure:23/01/2026TANYT&leg2=from:DTW,to:SEA,departure:24/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:238.70&airProductToken=AQppCjIIwYIBEgQxNTU5GJIBIOKaASiZooMDMLakgwM4QkAAWAFqBUJBU0lDcghPVkZIWlNCVgozCMGCARIEMzE5NRjimgEg47QBKKamgwMwl6eDAzhCQAFYAWoFQkFTSUNyCE9WRkhaU0JWCmkKMwjBggESBDI1ODIY47QBIOKaASjvp4MDMOuogwM4QkAAWAFqBUJBU0lDcghPVkZIWlNCVgoyCMGCARIEMTU1ORjimgEgkgEol6qDAzD9rIMDOEJAAVgBagVCQVNJQ3IIT1ZGSFpTQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Jan 22 - Wed, Jan 28 SEA Seattle DTW Detroit CA $247 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DTW,departure:22/01/2026TANYT&leg2=from:DTW,to:SEA,departure:28/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:246.40&airProductToken=AQpoCjEIwYIBEgM3NjcYkgEgo7EBKKuSgwMwmZSDAzhCQABYAWoFQkFTSUNyCE9WRkhaU0JWCjMIwYIBEgQyNTA4GKOxASDjtAEo3JSDAzD3lYMDOEJAAVgBagVCQVNJQ3IIT1ZGSFpTQlYKZwoyCMGCARIENDk1NBjjtAEgrhwozNKDAzDC04MDOEJAAFgBagVCQVNJQ3IIT1ZGSFpTQlYKMQjBggESBDIzOTgYrhwgkgEom9SDAzC01oMDOEJAAVgBagVCQVNJQ3IIT1ZGSFpTQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Jan 23 - Sun, Jan 25 SEA Seattle DTW Detroit CA $275 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DTW,departure:23/01/2026TANYT&leg2=from:DTW,to:SEA,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:274.82&airProductToken=AQppCjIIwYIBEgQ1MDA0GJIBIO-5ASitnYMDMOSegwM4QkAAWAFqBUJBU0lDcghPVkFIWlNCWAozCMGCARIEMTI4NxjvuQEg47QBKM6fgwMws6GDAzhCQAFYAWoFQkFTSUNyCE9WQUhaU0JYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Jan 22 - Wed, Jan 28 SEA Seattle DTW Detroit CA $289 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DTW,departure:22/01/2026TANYT&leg2=from:DTW,to:SEA,departure:28/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:288.85&airProductToken=AQppCjIIwYIBEgQzMDY4GJIBIOKaASiEkIMDMKuSgwM4QkAAWAFqBUJBU0lDcghRVkFIWlNCWAozCMGCARIEMTI5NxjimgEg47QBKN6SgwMwzZODAzhCQAFYAWoFQkFTSUNyCFFWQUhaU0JYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Jan 22 - Wed, Jan 28 SEA Seattle DTW Detroit CA $295 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DTW,departure:22/01/2026TANYT&leg2=from:DTW,to:SEA,departure:28/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:294.68&airProductToken=AQpmCjAIwYIBEgM4NTEYkgEgrhwoxJCDAzC_koMDOEJAAFgBagVCQVNJQ3IIT1ZBSFpTQlgKMgjBggESBDQ5NTUYrhwg47QBKJOUgwMw7pSDAzhCQAFYAWoFQkFTSUNyCE9WQUhaU0JYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Jan 30 - Sat, Feb 7 SEA Seattle DTW Detroit CA $298 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:DTW,departure:30/01/2026TANYT&leg2=from:DTW,to:SEA,departure:07/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:298.00&airProductToken=AQpoCjEIwYIBEgM3MDcYkgEgo7EBKOrrgwMw1-2DAzhCQABYAWoFQkFTSUNyCFFWQUhaU0JYCjMIwYIBEgQyNTA4GKOxASDjtAEo3O6DAzD374MDOEJAAVgBagVCQVNJQ3IIUVZBSFpTQlgKaQozCMGCARIEMTMxMBjjtAEg77kBKLfChAMw28SEAzhCQABYAWoFQkFTSUNyCFFWQUhaU0JYCjIIwYIBEgQxNTc3GO-5ASCSASjZxYQDMJ3HhAM4QkABWAFqBUJBU0lDcghRVkFIWlNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ## Find the cheapest month to fly from Seattle (SEA) to Detroit (DTT) ### November is typically the cheapest month to fly From CA $216 - CA $704 per traveller. ## Alternative airports near Detroit 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:DTW,departure:11/01/2026TANYT&leg2=from:DTW,to:SEA,departure:14/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) DTW Detroit Metropolitan Wayne County Cheapest 26 min [Flights from CA $598 ](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:DTW,departure:11/01/2026TANYT&leg2=from:DTW,to:SEA,departure:14/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Travel information | Origin airport | Seattle - Tacoma Intl. | | ------------------- | --------------------------------- | | Destination airport | Detroit Metropolitan Wayne County | | Distance | 3074 km | \*Available to Expedia members.