$64+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
Apr 5 — Apr 121
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 74 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from Detroit to Seattle
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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 March 6, 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 March 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Sat 4/259:18 pm
DTW
- SEA
2 stops39h 09m
Multiple Airlines
Sat 5/27:12 pm
SEA
- DTW
1 stop12h 46m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Thu 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Multiple Airlines
Wed 5/610:42 am
SEA
- DTW
1 stop17h 38m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Thu 4/29:29 pm
DTW
- SEA
2 stops41h 08m
Frontier
Thu 4/912:42 pm
SEA
- DTW
1 stop19h 16m
Frontier
Deal found 3/3![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 3/1. 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.
Sun 5/310:27 pm
DTW
- SEA
1 stop14h 00m
Multiple Airlines
Wed 5/610:42 am
SEA
- DTW
1 stop17h 38m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Thu 5/710:27 pm
DTW
- SEA
1 stop14h 00m
Multiple Airlines
Tue 5/1210:42 am
SEA
- DTW
1 stop17h 38m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 3/2. 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.
Tue 4/1412:20 pm
DTW
- SEA
Nonstop4h 57m
Delta
Sat 4/181:30 pm
SEA
- DTW
1 stop7h 28m
Delta
Deal found 3/2![Delta logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Wed 5/69:18 pm
DTW
- SEA
2 stops39h 09m
Multiple Airlines
Wed 5/136:57 pm
SEA
- DTW
1 stop23h 44m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/2710:27 pm
DTW
- SEA
1 stop14h 00m
Multiple Airlines
Sun 5/310:25 pm
SEA
- DTW
1 stop28h 10m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$209
This Frontier deal was found by Cheapflights users on 3/1. 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.
Fri 4/1710:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Thu 4/237:12 pm
SEA
- DTW
1 stop12h 46m
Frontier
Deal found 3/1![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/5. 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
Multiple Airlines
Mon 5/49:19 pm
SEA
- DTW
1 stop29h 16m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Thu 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
Wed 5/66:57 pm
SEA
- DTW
2 stops36h 20m
Frontier
Deal found 3/2![Frontier logo]()
$215
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 March 6, 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 March 6, 2026.
This Delta deal was found by Cheapflights users on 3/3. 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.
Wed 5/68:15 pm
DTW
- SEA
1 stop6h 44m
Delta
Wed 5/201:25 pm
SEA
- DTW
1 stop7h 34m
Delta
Deal found 3/3![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:00 am
DTW
- SEA
2 stops10h 00m
United Airlines
Fri 5/12:27 pm
SEA
- DTW
1 stop6h 32m
United Airlines
Deal found 3/3![United Airlines logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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.
Mon 8/35:29 pm
DTW
- SEA
Nonstop5h 03m
Alaska Airlines
Thu 8/1310:19 pm
SEA
- DTW
Nonstop4h 22m
Alaska Airlines
Deal found 3/3![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 3/3. 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.
Tue 5/58:45 am
DTW
- SEA
1 stop8h 28m
Delta
Sun 5/1011:59 pm
SEA
- DTW
1 stop8h 37m
Delta
Deal found 3/3![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 3/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1710:28 am
DTW
- SEA
2 stops11h 22m
United Airlines
Tue 3/2411:59 pm
SEA
- DTW
1 stop6h 48m
United Airlines
Deal found 3/1![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 3/1. 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.
Fri 5/228:55 pm
DTW
- SEA
Nonstop4h 53m
Delta
Mon 5/2511:05 pm
SEA
- DTW
Nonstop4h 25m
Delta
Deal found 3/1![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Thu 5/78:35 am
DTW
- SEA
1 stop9h 01m
United Airlines
Mon 5/1110:41 pm
SEA
- DTW
1 stop8h 43m
United Airlines
Deal found 3/6![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 3/1. 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.
Wed 6/106:00 pm
DTW
- SEA
1 stop9h 06m
Delta
Mon 6/1511:05 pm
SEA
- DTW
Nonstop4h 22m
Delta
Deal found 3/1![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 3/3. 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.
Tue 6/212:15 pm
DTW
- SEA
1 stop7h 27m
Delta
Tue 6/93:40 pm
SEA
- DTW
Nonstop4h 17m
Delta
Deal found 3/3![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 3/3. 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.
Fri 4/177:52 pm
DTW
- SEA
Nonstop4h 58m
Delta
Sun 4/1911:59 pm
SEA
- DTW
1 stop8h 44m
Delta
Deal found 3/3![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 3/1. 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.
Tue 6/307:45 pm
DTW
- SEA
1 stop6h 41m
Delta
Mon 7/69:58 pm
SEA
- DTW
Nonstop4h 21m
Delta
Deal found 3/1![Delta logo]()
$409
Last-minute flights from Detroit to SeattleDiscover last-minute flight deals from Detroit to Seattle. Data last updated March 6, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Seattle. Data last updated March 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 3/319:31 pm
DTW
- SEA
2 stops41h 06m
Frontier
Thu 4/167:12 pm
SEA
- DTW
1 stop12h 46m
Frontier
Deal found 3/4![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Thu 4/29:29 pm
DTW
- SEA
2 stops41h 08m
Frontier
Thu 4/912:42 pm
SEA
- DTW
1 stop19h 16m
Frontier
Deal found 3/3![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Fri 4/36:00 am
DTW
- SEA
1 stop17h 56m
Frontier
Thu 4/912:42 pm
SEA
- DTW
1 stop19h 16m
Frontier
Deal found 3/3![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 3/5. 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 4/311:54 am
DTW
- SEA
1 stop26h 43m
Frontier
Fri 4/1012:42 pm
SEA
- DTW
1 stop19h 16m
Frontier
Deal found 3/5![Frontier logo]()
$220
This Delta deal was found by Cheapflights users on 3/2. 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.
Tue 4/1412:20 pm
DTW
- SEA
Nonstop4h 57m
Delta
Sat 4/181:30 pm
SEA
- DTW
1 stop7h 28m
Delta
Deal found 3/2![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:40 pm
DTW
- SEA
1 stop7h 30m
Southwest
Tue 4/216:00 am
SEA
- DTW
1 stop6h 35m
Southwest
Deal found 3/2![Southwest logo]()
$217
This Frontier deal was found by Cheapflights users on 3/1. 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.
Fri 4/1710:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Thu 4/237:12 pm
SEA
- DTW
1 stop12h 46m
Frontier
Deal found 3/1![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Sat 4/259:18 pm
DTW
- SEA
2 stops39h 09m
Multiple Airlines
Sat 5/27:12 pm
SEA
- DTW
1 stop12h 46m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/2710:27 pm
DTW
- SEA
1 stop14h 00m
Multiple Airlines
Sun 5/310:25 pm
SEA
- DTW
1 stop28h 10m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Thu 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Multiple Airlines
Wed 5/610:42 am
SEA
- DTW
1 stop17h 38m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Thu 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
Wed 5/66:57 pm
SEA
- DTW
2 stops36h 20m
Frontier
Deal found 3/2![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Thu 4/308:43 pm
DTW
- SEA
2 stops24h 09m
Frontier
Thu 5/76:57 pm
SEA
- DTW
1 stop13h 01m
Frontier
Deal found 3/2![Frontier logo]()
$219
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 March 6, 2026.
Search for one-way flight options from Detroit to Seattle. Find affordable one-way fares based on user searches. Data last updated March 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Thu 4/3010:27 pm
DTW
- SEA
1 stop14h 25m
Frontier
Deal found 3/3![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Mon 4/2010:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 3/3![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Mon 5/410:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 3/3![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Sun 4/1910:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 3/3![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Wed 4/14:22 pm
DTW
- SEA
1 stop22h 15m
Frontier
Deal found 3/3![Frontier logo]()
$72
This Trip.com deal was found by Cheapflights users on 3/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 3/3![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/511:54 am
DTW
- SEA
1 stop26h 43m
Frontier
Deal found 3/6![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/1. 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.
Thu 5/710:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 3/1![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/1710:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 3/5![Frontier logo]()
$81
This Trip.com deal was found by Cheapflights users on 3/3. 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 Trip.com 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 3/3![Frontier logo]()
$87
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 March 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (Kiwi.com) |
One-way from | $64 (Kiwi.com) |
Popular in | October |
Cheapest in | January |
Average price | $297 |
Good round-trip deal | $325 or less |
Good one-way deal | $211 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 March 6, 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
Wed 5/6
8:15 pm-11:59 pm
1 stop6h 44m
Seattle/Tacoma Intl
Wed 5/20
1:25 pm-11:59 pm
1 stop7h 34m
$237
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Tue 4/28
11:00 am-6:00 pm
2 stops10h 00m
Seattle/Tacoma Intl
Fri 5/1
2:27 pm-11:59 pm
1 stop6h 32m
$242
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Tue 5/5
8:45 am-2:13 pm
1 stop8h 28m
Seattle/Tacoma Intl
Sun 5/10
11:59 pm-11:36 am
1 stop8h 37m
$302
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Tue 3/17
10:28 am-6:50 pm
2 stops11h 22m
Seattle/Tacoma Intl
Tue 3/24
11:59 pm-9:47 am
1 stop6h 48m
$302
Quickest round-trip
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Fri 5/22
8:55 pm-10:48 pm
Nonstop4h 53m
Seattle/Tacoma Intl
Mon 5/25
11:05 pm-6:30 am
Nonstop4h 25m
$327
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Wed 6/10
6:00 pm-12:06 am
1 stop9h 06m
Seattle/Tacoma Intl
Mon 6/15
11:05 pm-6:27 am
Nonstop4h 22m
$337
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Mon 8/3
5:29 pm-7:32 pm
Nonstop5h 03m
Seattle/Tacoma Intl
Thu 8/13
10:19 pm-5:41 am
Nonstop4h 22m
$347
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Thu 5/7
8:35 am-2:36 pm
1 stop9h 01m
Seattle/Tacoma Intl
Mon 5/11
10:41 pm-10:24 am
1 stop8h 43m
$347
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Tue 6/2
12:15 pm-4:42 pm
1 stop7h 27m
Seattle/Tacoma Intl
Tue 6/9
3:40 pm-10:57 pm
Nonstop4h 17m
$357
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Fri 4/17
7:52 pm-9:50 pm
Nonstop4h 58m
Seattle/Tacoma Intl
Sun 4/19
11:59 pm-11:43 am
1 stop8h 44m
$357
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 March.
| 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 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 February 27, 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, April is the cheapest month in which you can book a flight from Detroit to Seattle (average of $173). Flying from Detroit to Seattle in August is currently the most expensive (average of $267). 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 March 6, 2026.
It’s optimal to fly from Detroit to Seattle at noon. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.
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 March 6, 2026.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian 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.
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - 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 locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis
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Detroit and Seattle flights
Browse other Detroit and Seattle flight options. Last updated on March 6, 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 March 6, 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 March 6, 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 March 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$242 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$110 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$133 | Average$315 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$168 | Average$365 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$199 | Average$401 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$203 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$375 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$222 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$359 | FlexibilityNo cancel fee | On-time69% |