Title: CA $229 Cheap Flights from Detroit (DTT) 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 $229 Cheap Flights from Detroit (DTT) to Seattle (SEA) [View CA $229 flight on Tue, Sep 1, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:DTW,to:SEA,departure:01/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:228.20&airProductToken=AQpECiEIwmwSBDEzMzYY47QBIMGTASim05YDMJzUlgM4TEAAWAEKHwjCbBIDMTk3GMGTASCSASi51ZYDMLrYlgM4TEABWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ## Popular airlines from Detroit to Seattle, WA (SEA-Seattle - Tacoma Intl.) - ![](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:DTT,to:SEA,departure:06/04/2026TANYT&leg2=from:SEA,to:DTT,departure:13/04/2026TANYT&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:DTT,to:SEA,departure:06/04/2026TANYT&leg2=from:SEA,to:DTT,departure:13/04/2026TANYT&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:DTT,to:SEA,departure:06/04/2026TANYT&leg2=from:SEA,to:DTT,departure:13/04/2026TANYT&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:DTT,to:SEA,departure:06/04/2026TANYT&leg2=from:SEA,to:DTT,departure:13/04/2026TANYT&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:DTT,to:SEA,departure:06/04/2026TANYT&leg2=from:SEA,to:DTT,departure:13/04/2026TANYT&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_B6.svg) JetBlue Airways [](https://www.expedia.ca/Flights-Search?leg1=from:DTT,to:SEA,departure:06/04/2026TANYT&leg2=from:SEA,to:DTT,departure:13/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://a.travel-assets.com/air/airlines/sy_sq.svg) Sun Country Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:DTT,to:SEA,departure:06/04/2026TANYT&leg2=from:SEA,to:DTT,departure:13/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SY"}}]) - ![](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 Detroit (DTT) to Seattle (SEA) Prices were available within the past 7 days and start at CA $229 for one-way flights and CA $452 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) Tue, Apr 14 - Sun, Apr 19 DTW Detroit SEA Seattle CA $452 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:SEA,departure:14/04/2026TANYT&leg2=from:SEA,to:DTW,departure:19/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:451.40&airProductToken=AQowCi4IwaYBEgMzMTMY47QBIJIBKKetigMw16-KAzhYQABYAWoCU1ZyCFFIMkVYVkJOCjAKLgjBpgESAzMxMxiSASDjtAEoh-OKAzCP5YoDOFhAAFgBagJTVnIIUUgyRUFTQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, May 13 - Sat, May 16 DTW Detroit SEA Seattle CA $462 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:SEA,departure:13/05/2026TANYT&leg2=from:SEA,to:DTW,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:461.70&airProductToken=AQoiCiAIxJgBEgM3MjgY47QBIJIBKNzxjAMw_vOMAzhFQABYAQoiCiAIxJgBEgM4MTIYkgEg47QBKK6RjQMwtJONAzhFQABYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, May 12 - Wed, May 20 DTW Detroit SEA Seattle CA $463 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:SEA,departure:12/05/2026TANYT&leg2=from:SEA,to:DTW,departure:20/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:462.70&airProductToken=AQo3CjUIxJgBEgM1NjUY47QBIJIBKJfqjAMwvOyMAzhFQABYAWoJTUFJTkJBU0lDcghWRlZTSDNCQwo4CjYIxJgBEgQxNzA2GJIBIOO0ASjSwY0DMODDjQM4RUAAWAFqCU1BSU5CQVNJQ3IIVkZWU0gzQkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Apr 17 - Wed, Apr 22 DTW Detroit SEA Seattle CA $465 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:SEA,departure:17/04/2026TANYT&leg2=from:SEA,to:DTW,departure:22/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:464.70&airProductToken=AQo3CjUIxJgBEgM1NjUY47QBIJIBKLjQigMw4tKKAzhFQABYAWoJTUFJTkJBU0lDcghWRlZOQTBCQwpwCjYIxJgBEgQxNjI4GJIBIIu4ASirhIsDMNWFiwM4RUAAWAFqCU1BSU5CQVNJQ3IIVkZWU0gzQkMKNgjEmAESAzgwMhiLuAEg47QBKMiGiwMwyIiLAzhFQAFYAWoJTUFJTkJBU0lDcghWRlZTSDNCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, May 1 - Thu, May 28 DTW Detroit SEA Seattle CA $469 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:SEA,departure:01/05/2026TANYT&leg2=from:SEA,to:DTW,departure:28/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:468.10&airProductToken=AQowCi4IwaYBEgMzMTMY47QBIJIBKNrsiwMwge-LAzhYQABYAWoCU1ZyCFFIMkVBU0JOCjAKLgjBpgESAzQwNhiSASDjtAEoo6COAzCtoo4DOFhAAFgBagJTVnIIT0g0RUFVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, May 12 - Wed, May 20 DTW Detroit SEA Seattle CA $477 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:SEA,departure:12/05/2026TANYT&leg2=from:SEA,to:DTW,departure:20/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:476.20&airProductToken=AQpvCjYIxJgBEgQxNjAyGOO0ASDyEiiH6IwDMOzpjAM4RUAAWAFqCU1BSU5CQVNJQ3IIVkZWU0gzQkMKNQjEmAESBDIwMTYY8hIgkgEogeuMAzCP7IwDOEVAAVgBaglNQUlOQkFTSUNyCFZGVlNIM0JDCjcKNQjEmAESAzgxMBiSASDjtAEozcaNAzDWyI0DOEVAAFgBaglNQUlOQkFTSUNyCFZGVlNIM0JDEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Apr 17 - Wed, Apr 22 DTW Detroit SEA Seattle CA $478 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:SEA,departure:17/04/2026TANYT&leg2=from:SEA,to:DTW,departure:22/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:478.00&airProductToken=AQpnCjIIwYIBEgQxMjU5GOO0ASCuHCj4yYoDMMzKigM4QkAAWAFqBUJBU0lDcghOVkZaWk5CWAoxCMGCARIEMjc0MRiuHCCSASiXzIoDMLHOigM4QkABWAFqBUJBU0lDcghOVkZaWk5CWAppCjIIwYIBEgQyMDAzGJIBIKOxASj_i4sDMOqNiwM4QkAAWAFqBUJBU0lDcghPVkZLVVNCVgozCMGCARIEMjA0NhijsQEg47QBKLWOiwMw2I-LAzhCQAFYAWoFQkFTSUNyCE9WRktVU0JWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, May 12 - Wed, May 20 DTW Detroit SEA Seattle CA $490 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:SEA,departure:12/05/2026TANYT&leg2=from:SEA,to:DTW,departure:20/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:489.70&airProductToken=AQppCjMIwYIBEgQyMDM3GOO0ASCjsQEo3ueMAzCZ6YwDOEJAAFgBagVCQVNJQ3IIUVZGS1VTQlgKMgjBggESBDIwMDMYo7EBIJIBKMTqjAMwxuyMAzhCQAFYAWoFQkFTSUNyCFFWRktVU0JYCmgKMQjBggESAzcwNxiSASCjsQEo1cCNAzDMwo0DOEJAAFgBagVCQVNJQ3IIUVZGS1VTQlgKMwjBggESBDI1MDgYo7EBIOO0ASilw40DMMfEjQM4QkABWAFqBUJBU0lDcghRVkZLVVNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, Jul 1 - Mon, Jul 13 DTW Detroit SEA Seattle CA $536 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:SEA,departure:01/07/2026TANYT&leg2=from:SEA,to:DTW,departure:13/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:536.00&airProductToken=AQpECiEIwmwSBDEzMzYY47QBIMGTASjmmZEDMNyakQM4TEAAWAEKHwjCbBIDMTk3GMGTASCSASj5m5EDMPqekQM4TEABWAEKQwofCMJsEgMxOTgYkgEgwZMBKLGmkgMw76iSAzhMQABYAQogCMJsEgM4MzcYwZMBIOO0ASjPqpIDMM-rkgM4TEABWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![Sun Country Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SY.GIF) Thu, Jul 30 - Thu, Aug 6 DTW Detroit SEA Seattle CA $581 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:SEA,departure:30/07/2026TANYT&leg2=from:SEA,to:DTW,departure:06/08/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:580.16&airProductToken=AQpWCioI07IBEgQxOTgyGOO0ASDMfCj34ZMDMOXikwM4V0AAWAFyB1cyREFDQVkKKAjTsgESAzI4ORjMfCCSASi445MDMJrlkwM4V0ABWAFyB1cyREFDQVkKVgooCNOyARIDMjkwGJIBIMx8KMO0lAMwiraUAzhTQABYAXIHUzREQUNBWQoqCNOyARIEMTkwNxjMfCDjtAEo7rqUAzDTu5QDOFNAAVgBcgdTNERBQ0FZEgoIARABGAEqAlNZGAEiBAgBEAEoAigDKAQwDQ) ## Alternative airports near Seattle Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:DTW,to:SEA,departure:06/04/2026TANYT&leg2=from:SEA,to:DTW,departure:15/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SEA Seattle - Tacoma Intl. Cheapest 20 min [Flights from CA $552 ](https://www.expedia.ca/Flights-Search?leg1=from:DTW,to:SEA,departure:06/04/2026TANYT&leg2=from:SEA,to:DTW,departure:15/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Detroit (DTT) to Seattle (SEA) ### January is typically the cheapest month to fly From CA $193 - CA $544 per traveller. ## Travel information | Origin airport | Detroit Metropolitan Wayne County | | ------------------- | ----------------------------------------------------------------------------------------------------------- | | Destination airport | Seattle - Tacoma Intl. | | Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, Sun Country Airlines, United | | Roundtrip price | CA $451 | | Distance | 3074 km | ## Book with confidence # Michigan to Seattle Flights **The easy way to book your flights from Detroit to Seattle** With Expedia, it’s simple to find and book flights to Seattle from Detroit 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 Detroit to Seattle today, tomorrow, or this week. **Save dollars with cheap flights from DTT-All Airports, DTT to Seattle - Tacoma Intl., SEA** Sort your search results by price to find great deals on your flight from Detroit to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Detroit currently is just CA $452 rising to CA $581\. Here are more money-saving tips: - Fly in April 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 Detroit** 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. \*Available to Expedia members.