$85+ Cheap flights from Detroit to Seattle (DTT - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
mai 15 — mai 221
Round-trip
1 adult, Economy
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Find cheap flights from Detroit to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Detroit All airports to Seattle/Tacoma Intl are usually found in January or February, booked 65 days in advance, depart on a Friday or Wednesday and return on a Wednesday
Cheap flight deals from Detroit to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Detroit to SeattleExplore the most affordable flight options available from Detroit to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 15, 2026.
Explore the most affordable flight options available from Detroit to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/59:30 am
DTW
- SEA
2 stops27h 19m
Multiple Airlines
mer. 5/137:50 pm
SEA
- DTW
1 stop13h 45m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/87:55 am
DTW
- SEA
1 stop28h 54m
Frontier
ven. 5/157:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 4/10![Frontier logo]()
$259
This Expedia deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
jeu. 5/77:50 pm
SEA
- DTW
1 stop13h 45m
Frontier
Deal found 4/12![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 7/127:45 am
DTW
- SEA
1 stop29h 03m
Frontier
lun. 7/207:41 pm
SEA
- DTW
1 stop25h 18m
Frontier
Deal found 4/10![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 4/1910:27 pm
DTW
- SEA
1 stop19h 38m
Frontier
mer. 4/227:12 pm
SEA
- DTW
1 stop23h 30m
Frontier
Deal found 4/12![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/78:52 am
DTW
- SEA
2 stops27h 57m
Frontier
mer. 5/137:50 pm
SEA
- DTW
1 stop13h 45m
Frontier
Deal found 4/10![Frontier logo]()
$263
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2010:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
mer. 4/227:12 pm
SEA
- DTW
1 stop23h 30m
Frontier
Deal found 4/13![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
ven. 5/87:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 4/10![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/110:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
ven. 5/87:50 pm
SEA
- DTW
2 stops19h 53m
Frontier
Deal found 4/10![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
mar. 5/511:06 am
SEA
- DTW
2 stops17h 16m
Frontier
Deal found 4/10![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/111:20 pm
DTW
- SEA
1 stop23h 29m
Frontier
dim. 5/318:20 pm
SEA
- DTW
2 stops13h 15m
Frontier
Deal found 4/10![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/271:42 pm
DTW
- SEA
2 stops22h 45m
Frontier
ven. 5/87:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 4/9![Frontier logo]()
$272
Best flights from Detroit to SeattleDiscover carefully curated flight deals from Detroit to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated avril 15, 2026.
Discover carefully curated flight deals from Detroit to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated avril 15, 2026.
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/66:00 am
DTW
- SEA
Nonstop4h 56m
Delta
mar. 7/145:20 am
SEA
- DTW
Nonstop4h 10m
Delta
Deal found 4/11![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/138:55 pm
DTW
- SEA
Nonstop4h 53m
Delta
mer. 5/205:30 am
SEA
- DTW
Nonstop4h 22m
Delta
Deal found 4/11![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/138:34 pm
DTW
- SEA
Nonstop4h 59m
Delta
mar. 7/285:20 am
SEA
- DTW
Nonstop4h 10m
Delta
Deal found 4/14![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/16:00 am
DTW
- SEA
Nonstop4h 56m
Delta
jeu. 7/95:20 am
SEA
- DTW
Nonstop4h 10m
Delta
Deal found 4/13![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/308:34 pm
DTW
- SEA
Nonstop4h 59m
Delta
mar. 8/45:20 am
SEA
- DTW
Nonstop4h 10m
Delta
Deal found 4/12![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/268:55 pm
DTW
- SEA
Nonstop4h 53m
Delta
sam. 5/305:30 am
SEA
- DTW
Nonstop4h 22m
Delta
Deal found 4/14![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/108:40 am
DTW
- SEA
1 stop8h 48m
Delta
ven. 9/183:40 pm
SEA
- DTW
Nonstop4h 17m
Delta
Deal found 4/11![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/292:09 pm
DTW
- SEA
1 stop9h 21m
Delta
ven. 6/269:45 pm
SEA
- DTW
Nonstop4h 20m
Delta
Deal found 4/10![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/298:34 pm
DTW
- SEA
Nonstop5h 00m
Delta
sam. 7/410:05 am
SEA
- DTW
1 stop10h 17m
Delta
Deal found 4/14![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/88:32 am
DTW
- SEA
1 stop9h 11m
Delta
ven. 9/1812:00 pm
SEA
- DTW
1 stop8h 04m
Delta
Deal found 4/13![Delta logo]()
$407
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/308:05 pm
DTW
- SEA
1 stop6h 56m
Delta
dim. 9/67:20 am
SEA
- DTW
1 stop10h 22m
Delta
Deal found 4/14![Delta logo]()
$407
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/238:34 pm
DTW
- SEA
Nonstop4h 59m
Delta
jeu. 7/305:20 am
SEA
- DTW
Nonstop4h 10m
Delta
Deal found 4/12![Delta logo]()
$413
Last-minute flights from Detroit to SeattleDiscover last-minute flight deals from Detroit to Seattle. Data last updated avril 15, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Seattle. Data last updated avril 15, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 4/1910:27 pm
DTW
- SEA
1 stop19h 38m
Frontier
mer. 4/227:12 pm
SEA
- DTW
1 stop23h 30m
Frontier
Deal found 4/12![Frontier logo]()
$262
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2010:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
mer. 4/227:12 pm
SEA
- DTW
1 stop23h 30m
Frontier
Deal found 4/13![Frontier logo]()
$264
This Expedia deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
jeu. 5/77:50 pm
SEA
- DTW
1 stop13h 45m
Frontier
Deal found 4/12![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
ven. 5/87:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 4/10![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
mar. 5/511:06 am
SEA
- DTW
2 stops17h 16m
Frontier
Deal found 4/10![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/110:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
ven. 5/87:50 pm
SEA
- DTW
2 stops19h 53m
Frontier
Deal found 4/10![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/59:30 am
DTW
- SEA
2 stops27h 19m
Multiple Airlines
mer. 5/137:50 pm
SEA
- DTW
1 stop13h 45m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/78:52 am
DTW
- SEA
2 stops27h 57m
Frontier
mer. 5/137:50 pm
SEA
- DTW
1 stop13h 45m
Frontier
Deal found 4/10![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/87:55 am
DTW
- SEA
1 stop28h 54m
Frontier
ven. 5/157:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 4/10![Frontier logo]()
$259
This CheapOair deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/107:55 am
DTW
- SEA
1 stop28h 54m
Frontier
dim. 5/177:50 pm
SEA
- DTW
1 stop13h 45m
Frontier
Deal found 4/12![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/111:20 pm
DTW
- SEA
1 stop23h 29m
Frontier
ven. 5/298:20 pm
SEA
- DTW
2 stops13h 15m
Frontier
Deal found 4/10![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/148:52 am
DTW
- SEA
2 stops27h 57m
Frontier
mar. 5/197:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 4/10![Frontier logo]()
$273
One-way flights from Detroit to SeattleSearch for one-way flight options from Detroit to Seattle. Find affordable one-way fares based on user searches. Data last updated avril 15, 2026.
Search for one-way flight options from Detroit to Seattle. Find affordable one-way fares based on user searches. Data last updated avril 15, 2026.
This Super.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/110:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 4/10![Frontier logo]()
$85
This CheapOair deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/410:27 pm
DTW
- SEA
1 stop14h 22m
Frontier
Deal found 4/13![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/127:55 am
DTW
- SEA
1 stop28h 54m
Frontier
Deal found 4/13![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/287:55 am
DTW
- SEA
1 stop9h 06m
Frontier
Deal found 4/13![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
Deal found 4/11![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/117:55 am
DTW
- SEA
1 stop28h 54m
Frontier
Deal found 4/14![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/67:45 am
DTW
- SEA
1 stop29h 04m
Frontier
Deal found 4/10![Frontier logo]()
$116
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/137:45 am
DTW
- SEA
1 stop29h 04m
Frontier
Deal found 4/14![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/81:20 pm
DTW
- SEA
1 stop23h 29m
Frontier
Deal found 4/10![Frontier logo]()
$122
Find flight deals from Detroit to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated avril 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Kiwi.com) |
One-way from | $85 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $377 |
Good round-trip deal | $426 or less |
Good one-way deal | $251 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 15, 2026.
Use the filters below to find and compare flights from Detroit to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
lun. 7/6
6:00 am-7:56 am
Nonstop4h 56m
Seattle/Tacoma Intl
mar. 7/14
5:20 am-12:30 pm
Nonstop4h 10m
$387
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
mer. 5/13
8:55 pm-10:48 pm
Nonstop4h 53m
Seattle/Tacoma Intl
mer. 5/20
5:30 am-12:52 pm
Nonstop4h 22m
$387
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
lun. 7/13
8:34 pm-10:33 pm
Nonstop4h 59m
Seattle/Tacoma Intl
mar. 7/28
5:20 am-12:30 pm
Nonstop4h 10m
$387
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
mer. 7/1
6:00 am-7:56 am
Nonstop4h 56m
Seattle/Tacoma Intl
jeu. 7/9
5:20 am-12:30 pm
Nonstop4h 10m
$387
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
jeu. 7/30
8:34 pm-10:33 pm
Nonstop4h 59m
Seattle/Tacoma Intl
mar. 8/4
5:20 am-12:30 pm
Nonstop4h 10m
$387
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
mar. 5/26
8:55 pm-10:48 pm
Nonstop4h 53m
Seattle/Tacoma Intl
sam. 5/30
5:30 am-12:52 pm
Nonstop4h 22m
$387
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
jeu. 9/10
8:40 am-2:28 pm
1 stop8h 48m
Seattle/Tacoma Intl
ven. 9/18
3:40 pm-10:57 pm
Nonstop4h 17m
$397
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
ven. 5/29
2:09 pm-8:30 pm
1 stop9h 21m
Seattle/Tacoma Intl
ven. 6/26
9:45 pm-5:05 am
Nonstop4h 20m
$397
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
lun. 6/29
8:34 pm-10:34 pm
Nonstop5h 00m
Seattle/Tacoma Intl
sam. 7/4
10:05 am-11:22 pm
1 stop10h 17m
$397
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
mar. 9/8
8:32 am-2:43 pm
1 stop9h 11m
Seattle/Tacoma Intl
ven. 9/18
12:00 pm-11:04 pm
1 stop8h 04m
$407
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Detroit to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Seattle in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Detroit-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Detroit to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Detroit with our price prediction graph.
DTT-SEA
DTW-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Detroit to Seattle
DTT-SEA
DTW-SEA
How far ahead should I book a flight from Detroit to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Detroit to Seattle. Price data was last updated on April 10, 2026.
The price you pay for your flight from Detroit to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Detroit to Seattle?
Currently, November is the cheapest month in which you can book a flight from Detroit to Seattle (average of $175). Flying from Detroit to Seattle in August is currently the most expensive (average of $263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DTT to SEA?
Find hourly flight availability from Detroit to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated avril 15, 2026.
It’s optimal to fly from Detroit to Seattle in the evening. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Detroit to Seattle
Explore weekly flight availability from Detroit to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated avril 15, 2026.
The most flights from DTT to SEA are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Detroit to Seattle?
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated avril 15, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andHawaiian Airlines from Detroit to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Detroit to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Kent
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Browse thousands of different options on Cheapflights for your next trip
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Detroit and Seattle flights
Browse other Detroit and Seattle flight options. Last updated on avril 15, 2026.
Other flights from Detroit
Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on avril 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on avril 15, 2026.
Top 9 airlines flying from Detroit to Seattle
Discover the top 9 airlines that operate flights from Detroit to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$242 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$133 | Average$310 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$151 | Average$275 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$366 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$199 | Average$407 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$210 | Average$435 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$378 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$222 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$359 | FlexibilityNo cancel fee | On-time69% |