$208+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
Jul 31 — Aug 71
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 March, booked 70 days in advance, depart on a Friday or Thursday 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 July 1, 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 July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Mon 8/247:55 am
DTW
- SEA
1 stop7h 25m
Frontier
Sat 8/292:37 pm
SEA
- DTW
2 stops13h 53m
Frontier
Deal found 6/29![Frontier logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Mon 7/205:35 pm
DTW
- SEA
2 stops18h 42m
Frontier
Wed 7/297:06 pm
SEA
- DTW
1 stop25h 53m
Frontier
Deal found 6/29![Frontier logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:44 pm
DTW
- SEA
1 stop9h 52m
United Airlines
Wed 9/167:35 pm
SEA
- DTW
2 stops12h 52m
United Airlines
Deal found 6/30![United Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Tue 7/281:19 pm
DTW
- SEA
1 stop22h 58m
Frontier
Thu 8/62:22 pm
SEA
- DTW
1 stop6h 37m
Frontier
Deal found 6/30![Frontier logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Mon 9/77:55 am
DTW
- SEA
1 stop7h 25m
Frontier
Wed 9/167:00 am
SEA
- DTW
1 stop14h 24m
Frontier
Deal found 6/30![Frontier logo]()
$380
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:10 am
DTW
- SEA
1 stop8h 53m
American Airlines
Tue 8/185:10 am
SEA
- DTW
1 stop9h 12m
American Airlines
Deal found 6/30![American Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Wed 7/298:30 am
DTW
- SEA
2 stops13h 28m
Frontier
Sat 8/18:13 pm
SEA
- DTW
1 stop7h 47m
Frontier
Deal found 6/29![Frontier logo]()
$382
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:30 pm
DTW
- SEA
2 stops11h 45m
United Airlines
Tue 10/278:10 am
SEA
- DTW
1 stop7h 51m
United Airlines
Deal found 6/30![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:10 pm
DTW
- SEA
2 stops10h 21m
United Airlines
Sat 9/125:20 pm
SEA
- DTW
2 stops13h 18m
United Airlines
Deal found 6/30![United Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Sun 8/27:51 pm
DTW
- SEA
2 stops18h 29m
Frontier
Fri 8/72:22 pm
SEA
- DTW
1 stop6h 37m
Frontier
Deal found 6/27![Frontier logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Thu 9/107:20 am
DTW
- SEA
1 stop20h 07m
Frontier
Mon 9/219:16 pm
SEA
- DTW
2 stops24h 26m
Frontier
Deal found 6/29![Frontier logo]()
$386
This CheapOair deal was found by Cheapflights users on 7/1. 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.
Sat 7/187:40 am
DTW
- SEA
1 stop28h 37m
Frontier
Sun 7/267:06 pm
SEA
- DTW
1 stop25h 53m
Frontier
Deal found 7/1![Frontier logo]()
$387
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 July 1, 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 July 1, 2026.
This Delta deal was found by Cheapflights users on 6/26. 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.
Tue 8/256:00 am
DTW
- SEA
Nonstop4h 49m
Delta
Sat 8/295:30 am
SEA
- DTW
Nonstop4h 12m
Delta
Deal found 6/26![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am
DTW
- SEA
2 stops10h 20m
Southwest
Sat 9/197:40 am
SEA
- DTW
2 stops10h 20m
Southwest
Deal found 6/29![Southwest logo]()
$437
This Delta deal was found by Cheapflights users on 6/27. 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.
Fri 8/286:00 am
DTW
- SEA
Nonstop4h 49m
Delta
Sat 9/511:10 pm
SEA
- DTW
Nonstop4h 13m
Delta
Deal found 6/27![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:35 pm
DTW
- SEA
2 stops10h 30m
Southwest
Fri 9/1111:05 pm
SEA
- DTW
2 stops10h 25m
Southwest
Deal found 6/29![Southwest logo]()
$442
This Delta deal was found by Cheapflights users on 6/28. 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.
Wed 10/2112:40 pm
DTW
- SEA
Nonstop5h 05m
Delta
Tue 10/273:00 pm
SEA
- DTW
Nonstop4h 16m
Delta
Deal found 6/28![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 6/28. 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.
Wed 8/266:00 am
DTW
- SEA
Nonstop4h 49m
Delta
Sat 8/295:30 am
SEA
- DTW
Nonstop4h 12m
Delta
Deal found 6/28![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:15 pm
DTW
- SEA
2 stops11h 00m
Southwest
Wed 9/96:40 am
SEA
- DTW
2 stops10h 50m
Southwest
Deal found 6/29![Southwest logo]()
$472
This Delta deal was found by Cheapflights users on 6/30. 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.
Fri 9/186:18 pm
DTW
- SEA
1 stop8h 40m
Delta
Mon 9/216:00 am
SEA
- DTW
Nonstop4h 20m
Delta
Deal found 6/30![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 6/26. 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.
Thu 8/278:05 pm
DTW
- SEA
Nonstop5h 00m
Delta
Mon 8/3111:59 pm
SEA
- DTW
1 stop8h 43m
Delta
Deal found 6/26![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 6/27. 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.
Mon 8/248:30 am
DTW
- SEA
Nonstop5h 01m
Delta
Mon 8/3112:36 pm
SEA
- DTW
1 stop8h 07m
Delta
Deal found 6/27![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 6/30. 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.
Sun 8/308:05 pm
DTW
- SEA
Nonstop5h 00m
Delta
Fri 9/45:30 am
SEA
- DTW
Nonstop4h 12m
Delta
Deal found 6/30![Delta logo]()
$477
Last-minute flights from Detroit to SeattleDiscover last-minute flight deals from Detroit to Seattle. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Seattle. Data last updated July 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Sat 7/48:00 am
DTW
- SEA
1 stop9h 18m
Frontier
Sat 8/87:06 pm
SEA
- DTW
2 stops15h 27m
Frontier
Deal found 6/26![Frontier logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Tue 7/77:40 am
DTW
- SEA
1 stop28h 37m
Frontier
Sat 7/1812:35 pm
SEA
- DTW
1 stop8h 24m
Frontier
Deal found 6/27![Frontier logo]()
$386
This CheapOair deal was found by Cheapflights users on 6/29. 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.
Wed 7/87:40 am
DTW
- SEA
1 stop28h 37m
Frontier
Mon 7/207:06 pm
SEA
- DTW
1 stop25h 53m
Frontier
Deal found 6/29![Frontier logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Mon 7/131:19 pm
DTW
- SEA
1 stop22h 58m
Frontier
Thu 7/2312:35 pm
SEA
- DTW
1 stop8h 24m
Frontier
Deal found 6/26![Frontier logo]()
$384
This CheapOair deal was found by Cheapflights users on 7/1. 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.
Sat 7/187:40 am
DTW
- SEA
1 stop28h 37m
Frontier
Sun 7/267:06 pm
SEA
- DTW
1 stop25h 53m
Frontier
Deal found 7/1![Frontier logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Sun 7/197:40 am
DTW
- SEA
1 stop28h 37m
Frontier
Fri 7/247:06 pm
SEA
- DTW
2 stops15h 38m
Frontier
Deal found 6/30![Frontier logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Mon 7/205:35 pm
DTW
- SEA
2 stops18h 42m
Frontier
Wed 7/297:06 pm
SEA
- DTW
1 stop25h 53m
Frontier
Deal found 6/29![Frontier logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Tue 7/287:01 am
DTW
- SEA
Nonstop4h 59m
Multiple Airlines
Fri 8/77:06 pm
SEA
- DTW
1 stop14h 28m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Tue 7/281:19 pm
DTW
- SEA
1 stop22h 58m
Frontier
Thu 8/62:22 pm
SEA
- DTW
1 stop6h 37m
Frontier
Deal found 6/30![Frontier logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Wed 7/298:30 am
DTW
- SEA
2 stops13h 28m
Frontier
Wed 8/58:13 pm
SEA
- DTW
1 stop7h 47m
Frontier
Deal found 6/29![Frontier logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Wed 7/298:30 am
DTW
- SEA
2 stops13h 28m
Frontier
Sat 8/18:13 pm
SEA
- DTW
1 stop7h 47m
Frontier
Deal found 6/29![Frontier logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Wed 7/297:01 am
DTW
- SEA
Nonstop4h 59m
Multiple Airlines
Sat 8/18:13 pm
SEA
- DTW
1 stop7h 47m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$383
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 July 1, 2026.
Search for one-way flight options from Detroit to Seattle. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Thu 7/236:10 am
DTW
- SEA
2 stops31h 29m
Frontier
Deal found 6/30![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Wed 9/27:55 pm
DTW
- SEA
2 stops17h 44m
Frontier
Deal found 6/28![Frontier logo]()
$213
This deal was found by Cheapflights users on 6/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:30 am
DTW
- SEA
1 stop7h 08m
United Airlines
Deal found 6/28![United Airlines logo]()
$218
This Super.com deal was found by Cheapflights users on 6/28. 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.
Sun 7/57:40 am
DTW
- SEA
1 stop28h 37m
Frontier
Deal found 6/28![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Fri 7/315:35 pm
DTW
- SEA
2 stops42h 42m
Frontier
Deal found 6/26![Frontier logo]()
$221
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:25 am
DTW
- SEA
2 stops13h 12m
United Airlines
Deal found 6/30![United Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:11 pm
DTW
- SEA
1 stop9h 41m
American Airlines
Deal found 6/30![American Airlines logo]()
$224
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:25 am
DTW
- SEA
2 stops11h 59m
United Airlines
Deal found 6/29![United Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Thu 9/38:46 pm
DTW
- SEA
2 stops39h 33m
Frontier
Deal found 6/28![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Mon 7/275:35 pm
DTW
- SEA
2 stops18h 42m
Frontier
Deal found 6/28![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Fri 7/245:35 pm
DTW
- SEA
2 stops18h 42m
Frontier
Deal found 6/29![Frontier logo]()
$236
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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $376 (Kiwi.com) |
One-way from | $208 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $468 |
Good round-trip deal | $477 or less |
Good one-way deal | $281 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 July 1, 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
Tue 8/25
6:00 am-7:49 am
Nonstop4h 49m
Seattle/Tacoma Intl
Sat 8/29
5:30 am-12:42 pm
Nonstop4h 12m
$417
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Fri 8/28
6:00 am-7:49 am
Nonstop4h 49m
Seattle/Tacoma Intl
Sat 9/5
11:10 pm-6:23 am
Nonstop4h 13m
$417
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Wed 10/21
12:40 pm-2:45 pm
Nonstop5h 05m
Seattle/Tacoma Intl
Tue 10/27
3:00 pm-10:16 pm
Nonstop4h 16m
$417
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Wed 8/26
6:00 am-7:49 am
Nonstop4h 49m
Seattle/Tacoma Intl
Sat 8/29
5:30 am-12:42 pm
Nonstop4h 12m
$417
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Fri 9/18
6:18 pm-11:58 pm
1 stop8h 40m
Seattle/Tacoma Intl
Mon 9/21
6:00 am-1:20 pm
Nonstop4h 20m
$427
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Thu 8/27
8:05 pm-10:05 pm
Nonstop5h 00m
Seattle/Tacoma Intl
Mon 8/31
11:59 pm-11:42 am
1 stop8h 43m
$427
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Mon 8/24
8:30 am-10:31 am
Nonstop5h 01m
Seattle/Tacoma Intl
Mon 8/31
12:36 pm-11:43 pm
1 stop8h 07m
$427
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Wed 9/16
6:00 am-1:20 pm
2 stops10h 20m
Seattle/Tacoma Intl
Sat 9/19
7:40 am-9:00 pm
2 stops10h 20m
$437
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Wed 9/2
3:35 pm-11:05 pm
2 stops10h 30m
Seattle/Tacoma Intl
Fri 9/11
11:05 pm-12:30 pm
2 stops10h 25m
$442
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Fri 9/4
1:15 pm-9:15 pm
2 stops11h 00m
Seattle/Tacoma Intl
Wed 9/9
6:40 am-8:30 pm
2 stops10h 50m
$472
Showing 1-10 of 20 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 July.
| 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 Accuracy2 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
What is the cheapest month to book a flight from Detroit to Seattle?
Currently, April is the cheapest month in which you can book a flight from Detroit to Seattle (average of $111). Flying from Detroit to Seattle in June is currently the most expensive (average of $1,302). 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 July 1, 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 July 1, 2026.
The most flights from DTT to SEA are scheduled on a Wednesday (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?
What’s the top layover airport for flights from Detroit to Seattle?
Share of 1-stop round-trip flights from Detroit to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 75% of 1-stop itineraries from Detroit to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Detroit to Seattle?
Average round-trip fare for 1-stop flights from Detroit to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $272.
What’s the fastest layover option from Detroit to Seattle?
Shortest average travel time for 1-stop one-way flights from Detroit to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 18h 38m.
Which airport typically offers the quickest layover for flights from Detroit to Seattle?
Average layover duration for 1-stop one-way flights from Detroit to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 10h 15m.
How far ahead should I book a flight from Detroit to Seattle?
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 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Detroit to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Detroit to Seattle. Price data was last updated on June 27, 2026.
Travelers seeking maximum savings on their Detroit to Seattle flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 1, 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.
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - 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
Lacey
Leavenworth
Olympia
Ocean Shores
Edmonds
Snoqualmie
Tumwater
Tukwila
Renton
Kent
Lynnwood
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Centralia
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Detroit and Seattle flights
Browse other Detroit and Seattle flight options. Last updated on July 1, 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 July 1, 2026.
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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 July 1, 2026.
Top 8 airlines flying from Detroit to Seattle
Discover the top 8 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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$310 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$160 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$337 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$196 | Average$509 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$206 | Average$442 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$405 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$222 | Average$427 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$240 | Average$343 | FlexibilityNo cancel fee | On-time69% |