$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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
May 3 — May 101
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 74 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 April 3, 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 April 3, 2026.
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:45 am
DTW
- SEA
1 stop29h 04m
Frontier
Sun 5/107:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 3/30![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Sat 4/257:12 pm
SEA
- DTW
1 stop12h 46m
Frontier
Deal found 4/1![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Sun 5/177:55 am
DTW
- SEA
1 stop28h 54m
Frontier
Thu 5/217:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 3/31![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:27 pm
DTW
- SEA
1 stop14h 22m
Frontier
Tue 5/1211:06 am
SEA
- DTW
2 stops17h 16m
Frontier
Deal found 4/1![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:45 am
DTW
- SEA
1 stop29h 04m
Frontier
Wed 5/137:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 3/30![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/110:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Wed 5/611:06 am
SEA
- DTW
2 stops17h 16m
Frontier
Deal found 4/2![Frontier logo]()
$242
This Expedia deal was found by Cheapflights users on 3/31. 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.
Mon 4/2010:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Wed 4/227:12 pm
SEA
- DTW
1 stop23h 30m
Frontier
Deal found 3/31![Frontier logo]()
$245
This CheapOair deal was found by Cheapflights users on 4/1. 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.
Fri 4/1711:54 am
DTW
- SEA
1 stop24h 33m
Frontier
Thu 4/234:20 pm
SEA
- DTW
1 stop15h 38m
Frontier
Deal found 4/1![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/2710:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Mon 5/47:12 pm
SEA
- DTW
2 stops14h 24m
Frontier
Deal found 3/30![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:27 pm
DTW
- SEA
1 stop14h 22m
Frontier
Mon 5/1111:06 am
SEA
- DTW
2 stops17h 16m
Frontier
Deal found 4/1![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:55 am
DTW
- SEA
1 stop9h 06m
Frontier
Mon 6/87:50 pm
SEA
- DTW
1 stop13h 47m
Frontier
Deal found 3/31![Frontier logo]()
$250
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 April 3, 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 April 3, 2026.
This Delta deal was found by Cheapflights users on 3/30. 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 6/148:34 pm
DTW
- SEA
Nonstop5h 00m
Delta
Sat 6/275:30 am
SEA
- DTW
Nonstop4h 10m
Delta
Deal found 3/30![Delta logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:01 am
DTW
- SEA
Nonstop4h 59m
Alaska Airlines
Sat 8/299:15 am
SEA
- DTW
Nonstop4h 23m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 4/3. 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.
Sat 6/136:00 am
DTW
- SEA
Nonstop4h 56m
Delta
Wed 6/179:45 pm
SEA
- DTW
Nonstop4h 20m
Delta
Deal found 4/3![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:52 pm
DTW
- SEA
Nonstop4h 58m
Delta
Mon 5/46:00 am
SEA
- DTW
Nonstop4h 13m
Delta
Deal found 3/29![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:34 pm
DTW
- SEA
Nonstop4h 59m
Delta
Sat 7/255:20 am
SEA
- DTW
Nonstop4h 10m
Delta
Deal found 4/1![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/2. 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.
Sat 6/273:50 pm
DTW
- SEA
1 stop9h 29m
Delta
Wed 7/85:20 am
SEA
- DTW
Nonstop4h 10m
Delta
Deal found 4/2![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 3/30. 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 7/38:34 pm
DTW
- SEA
Nonstop5h 00m
Delta
Wed 7/811:59 pm
SEA
- DTW
1 stop5h 48m
Delta
Deal found 3/30![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 3/31. 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 7/88:20 pm
DTW
- SEA
1 stop6h 39m
Delta
Wed 7/1511:20 am
SEA
- DTW
Nonstop4h 17m
Delta
Deal found 3/31![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:00 pm
DTW
- SEA
Nonstop5h 05m
Delta
Sat 9/266:05 am
SEA
- DTW
1 stop6h 24m
Delta
Deal found 3/29![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 9/81:15 pm
DTW
- SEA
1 stop10h 32m
Delta
Fri 9/183:40 pm
SEA
- DTW
Nonstop4h 17m
Delta
Deal found 3/30![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 4/3. 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.
Sat 5/238:55 pm
DTW
- SEA
Nonstop4h 53m
Delta
Sun 5/3111:59 pm
SEA
- DTW
1 stop5h 55m
Delta
Deal found 4/3![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 4/2. 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 8/33:55 pm
DTW
- SEA
1 stop9h 10m
Delta
Thu 8/139:30 am
SEA
- DTW
1 stop10h 34m
Delta
Deal found 4/2![Delta logo]()
$407
Last-minute flights from Detroit to SeattleDiscover last-minute flight deals from Detroit to Seattle. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Seattle. Data last updated April 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/1. 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.
Fri 4/1711:54 am
DTW
- SEA
1 stop24h 33m
Frontier
Thu 4/234:20 pm
SEA
- DTW
1 stop15h 38m
Frontier
Deal found 4/1![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Sat 4/257:12 pm
SEA
- DTW
1 stop12h 46m
Frontier
Deal found 4/1![Frontier logo]()
$235
This Expedia deal was found by Cheapflights users on 3/31. 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.
Mon 4/2010:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Wed 4/227:12 pm
SEA
- DTW
1 stop23h 30m
Frontier
Deal found 3/31![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/2710:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Mon 5/47:12 pm
SEA
- DTW
2 stops14h 24m
Frontier
Deal found 3/30![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/110:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Wed 5/611:06 am
SEA
- DTW
2 stops17h 16m
Frontier
Deal found 4/2![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:27 pm
DTW
- SEA
1 stop14h 22m
Frontier
Tue 5/1211:06 am
SEA
- DTW
2 stops17h 16m
Frontier
Deal found 4/1![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:27 pm
DTW
- SEA
1 stop14h 22m
Frontier
Mon 5/1111:06 am
SEA
- DTW
2 stops17h 16m
Frontier
Deal found 4/1![Frontier logo]()
$249
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:45 am
DTW
- SEA
1 stop29h 04m
Frontier
Sun 5/107:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 3/30![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:45 am
DTW
- SEA
1 stop29h 04m
Frontier
Wed 5/137:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 3/30![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Sun 5/177:55 am
DTW
- SEA
1 stop28h 54m
Frontier
Thu 5/217:50 pm
SEA
- DTW
1 stop25h 09m
Frontier
Deal found 3/31![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 3/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:55 am
DTW
- SEA
1 stop9h 06m
Frontier
Sun 5/317:50 pm
SEA
- DTW
1 stop13h 45m
Frontier
Deal found 3/29![Frontier logo]()
$250
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 April 3, 2026.
Search for one-way flight options from Detroit to Seattle. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Super.com deal was found by Cheapflights users on 4/2. 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.
Mon 4/2710:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 4/2![Frontier logo]()
$85
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 3/30![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/57:55 am
DTW
- SEA
1 stop28h 54m
Frontier
Deal found 4/3![Frontier logo]()
$100
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 3/30![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 4/2. 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 5/107:55 am
DTW
- SEA
1 stop28h 54m
Frontier
Deal found 4/2![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 3/31. 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.
Fri 5/110:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 3/31![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
Deal found 3/31![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/181:20 pm
DTW
- SEA
1 stop23h 29m
Frontier
Deal found 3/31![Frontier logo]()
$113
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/151:20 pm
DTW
- SEA
1 stop23h 29m
Frontier
Deal found 3/31![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/410:27 pm
DTW
- SEA
1 stop14h 22m
Frontier
Deal found 4/2![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Fri 5/87:53 pm
DTW
- SEA
2 stops17h 29m
Frontier
Deal found 3/30![Frontier logo]()
$119
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 April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $221 (CheapOair) |
One-way from | $85 (Super.com) |
Popular in | October |
Cheapest in | January |
Average price | $332 |
Good round-trip deal | $387 or less |
Good one-way deal | $241 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 April 3, 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
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Sun 6/14
8:34 pm-10:34 pm
Nonstop5h 00m
Seattle/Tacoma Intl
Sat 6/27
5:30 am-12:40 pm
Nonstop4h 10m
$387
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Thu 8/13
7:01 am-9:00 am
Nonstop4h 59m
Seattle/Tacoma Intl
Sat 8/29
9:15 am-4:38 pm
Nonstop4h 23m
$387
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Sat 6/13
6:00 am-7:56 am
Nonstop4h 56m
Seattle/Tacoma Intl
Wed 6/17
9:45 pm-5:05 am
Nonstop4h 20m
$387
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Thu 4/30
7:52 pm-9:50 pm
Nonstop4h 58m
Seattle/Tacoma Intl
Mon 5/4
6:00 am-1:13 pm
Nonstop4h 13m
$387
Quickest round-trip
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Sat 7/18
8:34 pm-10:33 pm
Nonstop4h 59m
Seattle/Tacoma Intl
Sat 7/25
5:20 am-12:30 pm
Nonstop4h 10m
$387
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Sat 6/27
3:50 pm-10:19 pm
1 stop9h 29m
Seattle/Tacoma Intl
Wed 7/8
5:20 am-12:30 pm
Nonstop4h 10m
$397
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Fri 7/3
8:34 pm-10:34 pm
Nonstop5h 00m
Seattle/Tacoma Intl
Wed 7/8
11:59 pm-8:47 am
1 stop5h 48m
$397
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Wed 7/8
8:20 pm-11:59 pm
1 stop6h 39m
Seattle/Tacoma Intl
Wed 7/15
11:20 am-6:37 pm
Nonstop4h 17m
$397
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Fri 9/18
8:00 pm-10:05 pm
Nonstop5h 05m
Seattle/Tacoma Intl
Sat 9/26
6:05 am-3:29 pm
1 stop6h 24m
$397
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Tue 9/8
1:15 pm-8:47 pm
1 stop10h 32m
Seattle/Tacoma Intl
Fri 9/18
3:40 pm-10:57 pm
Nonstop4h 17m
$397
Showing 1-10 of 24 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 2, 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 74 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 April 3, 2026.
It’s optimal to fly from Detroit to Seattle at noon. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the morning.
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 April 3, 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 (6 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 April 3, 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.
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
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
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Aberdeen
Browse thousands of different options on Cheapflights for your next trip
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Search flights from Detroit to Seattle by cabin class
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Detroit and Seattle flights
Browse other Detroit and Seattle flight options. Last updated on April 3, 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 April 3, 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 April 3, 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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$249 | 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$401 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$206 | Average$372 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$420 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$222 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$359 | FlexibilityNo cancel fee | On-time69% |