$124+ Cheap flights from Detroit to Seattle (DTT - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
Oct 27 — Nov 31
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 September 27, 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 September 27, 2026.
This Super.com deal was found by Cheapflights users on 9/22. 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.
Sat 11/77:00 am -
1 stop11h 12m
Mon 11/94:27 pm -
1 stop20h 07m
Deal found 9/22![Frontier logo]()
$312
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:15 am -
1 stop30h 44m
Mon 11/24:27 pm -
1 stop20h 07m
Deal found 9/22![Frontier logo]()
$313
This Cheapflightsfares deal was found by Cheapflights users on 9/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:35 pm -
1 stop21h 37m
Mon 10/269:16 pm -
1 stop28h 39m
Deal found 9/26![Frontier logo]()
$317
This Frontier deal was found by Cheapflights users on 9/22. 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.
Wed 10/217:08 am -
1 stop11h 04m
Wed 10/2812:14 pm -
1 stop13h 41m
Deal found 9/22![Frontier logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:08 am -
1 stop11h 04m
Mon 10/264:27 pm -
1 stop28h 24m
Deal found 9/23![Frontier logo]()
$319
This CheapOair deal was found by Cheapflights users on 9/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:08 am -
1 stop11h 04m
Tue 10/2712:14 pm -
1 stop13h 41m
Deal found 9/26![Frontier logo]()
$320
This Mytrip deal was found by Cheapflights users on 9/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:40 pm -
2 stops24h 05m
Mon 11/168:09 pm -
2 stops16h 25m
Deal found 9/25![Frontier logo]()
$326
This Trip.com deal was found by Cheapflights users on 9/22. 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.
Sat 10/247:08 am -
1 stop11h 04m
Mon 11/24:27 pm -
1 stop20h 07m
Deal found 9/22![Frontier logo]()
$327
This CheapOair deal was found by Cheapflights users on 9/23. 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.
Thu 11/58:35 pm -
1 stop21h 37m
Mon 11/99:13 pm -
1 stop28h 42m
Deal found 9/23![Frontier logo]()
$328
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:35 pm -
1 stop21h 37m
Tue 10/2712:14 pm -
1 stop13h 41m
Deal found 9/22![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/217:15 am -
1 stop28h 43m
Mon 10/269:16 pm -
1 stop28h 39m
Deal found 9/25![Frontier logo]()
$331
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 September 27, 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 September 27, 2026.
This United Airlines deal was found by Cheapflights users on 9/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:30 am -
1 stop8h 57m
Sat 10/241:56 pm -
1 stop7h 03m
Deal found 9/26![United Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 9/25. 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.
Thu 11/127:45 pm -
1 stop8h 00m
Sat 11/145:30 am -
2 stops13h 35m
Deal found 9/25![Southwest logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 12/196:06 pm -
Nonstop5h 18m
Wed 12/309:49 am -
Nonstop4h 19m
Deal found 9/23![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 9/23. 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 12/57:55 pm -
Nonstop5h 09m
Tue 12/86:00 am -
Nonstop4h 11m
Deal found 9/23![Delta logo]()
$487
This United Airlines deal was found by Cheapflights users on 9/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:15 am -
1 stop9h 24m
Thu 11/1210:56 pm -
1 stop7h 30m
Deal found 9/26![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 9/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:45 pm -
1 stop8h 00m
Thu 11/126:30 am -
2 stops9h 30m
Deal found 9/26![Southwest logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 11/125:45 pm -
Nonstop5h 03m
Sat 11/149:25 am -
Nonstop4h 22m
Deal found 9/23![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 9/22. 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 10/247:57 pm -
Nonstop5h 08m
Sat 10/316:00 am -
Nonstop4h 23m
Deal found 9/22![Delta logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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 10/157:00 am -
Nonstop4h 55m
Thu 10/2210:18 pm -
Nonstop4h 22m
Deal found 9/22![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 9/26. 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.
Wed 12/97:55 pm -
Nonstop5h 09m
Mon 12/1411:37 pm -
1 stop6h 11m
Deal found 9/26![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:41 am -
2 stops12h 43m
Mon 12/147:00 am -
1 stop7h 06m
Deal found 9/27![United Airlines logo]()
$522
This Delta deal was found by Cheapflights users on 9/25. 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 11/136:06 pm -
1 stop8h 53m
Mon 11/1611:15 pm -
Nonstop4h 12m
Deal found 9/25![Delta logo]()
$497
Last-minute flights from Detroit to SeattleDiscover last-minute flight deals from Detroit to Seattle. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Seattle. Data last updated September 27, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:08 am -
1 stop11h 04m
Mon 10/264:27 pm -
1 stop28h 24m
Deal found 9/23![Frontier logo]()
$319
This CheapOair deal was found by Cheapflights users on 9/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:08 am -
1 stop11h 04m
Tue 10/2712:14 pm -
1 stop13h 41m
Deal found 9/26![Frontier logo]()
$320
This Frontier deal was found by Cheapflights users on 9/22. 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.
Wed 10/217:08 am -
1 stop11h 04m
Wed 10/2812:14 pm -
1 stop13h 41m
Deal found 9/22![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/217:15 am -
1 stop28h 43m
Mon 10/269:16 pm -
1 stop28h 39m
Deal found 9/25![Frontier logo]()
$331
This Cheapflightsfares deal was found by Cheapflights users on 9/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:35 pm -
1 stop21h 37m
Mon 10/269:16 pm -
1 stop28h 39m
Deal found 9/26![Frontier logo]()
$326
This Cheapflightsfares deal was found by Cheapflights users on 9/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:35 pm -
1 stop21h 37m
Mon 10/269:16 pm -
1 stop28h 39m
Deal found 9/26![Frontier logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:35 pm -
1 stop21h 37m
Tue 10/2712:14 pm -
1 stop13h 41m
Deal found 9/22![Frontier logo]()
$330
This CheapOair deal was found by Cheapflights users on 9/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:35 pm -
1 stop21h 37m
Fri 10/304:27 pm -
1 stop20h 07m
Deal found 9/26![Frontier logo]()
$332
This Mytrip deal was found by Cheapflights users on 9/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:08 am -
2 stops14h 37m
Tue 10/278:09 pm -
2 stops24h 42m
Deal found 9/22![Frontier logo]()
$327
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:08 am -
1 stop11h 04m
Mon 11/29:13 pm -
1 stop28h 42m
Deal found 9/23![Frontier logo]()
$329
This CheapOair deal was found by Cheapflights users on 9/24. 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.
Tue 10/277:15 am -
1 stop30h 44m
Tue 11/1012:14 pm -
1 stop13h 41m
Deal found 9/24![Frontier logo]()
$328
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:15 am -
1 stop30h 44m
Mon 11/24:27 pm -
1 stop20h 07m
Deal found 9/22![Frontier logo]()
$313
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 September 27, 2026.
Search for one-way flight options from Detroit to Seattle. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/26. 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.
Tue 10/278:35 pm -
2 stops25h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Frontier logo]()
$124
This Mytrip deal was found by Cheapflights users on 9/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
2 stops14h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 9/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:41 am -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Frontier logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 9/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:15 am -
1 stop29h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Frontier logo]()
$143
This Goibibo deal was found by Cheapflights users on 9/26. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:15 am -
1 stop30h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Frontier logo]()
$149
This Super.com deal was found by Cheapflights users on 9/22. 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 11/97:15 am -
1 stop30h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$157
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 September 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $312 (Super.com) |
One-way from | $124 (Kiwi.com) |
Popular in | October |
Cheapest in | January |
Average price | $475 |
Good round-trip deal | $399 or less |
Good one-way deal | $263 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 7,457,451 searches. Data last updated September 27, 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 Detroit Metropolitan Wayne County - SEA Seattle/Tacoma Intl
DTWSEA
Detroit Metropolitan Wayne County
Thu 11/26
8:40 am-5:30 pm
2 stops11h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
DetroitSeattle
DTW Detroit Metropolitan Wayne County - SEA Seattle/Tacoma Intl
DTWSEA
Detroit Metropolitan Wayne County
Wed 12/9
2:15 pm-10:30 pm
2 stops11h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
DetroitSeattle
DTW Detroit Metropolitan Wayne County - SEA Seattle/Tacoma Intl
DTWSEA
Detroit Metropolitan Wayne County
Wed 12/23
12:30 pm-7:06 pm
1 stop9h 36m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$219
DetroitSeattle
DTW Detroit Metropolitan Wayne County - SEA Seattle/Tacoma Intl
DTWSEA
Detroit Metropolitan Wayne County
Thu 11/26
8:50 am-1:54 pm
1 stop8h 04m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$259
Quickest round-trip
DetroitSeattle
DTW Detroit Metropolitan Wayne County - SEA Seattle/Tacoma Intl
DTWSEA
Detroit Metropolitan Wayne County
Fri 10/23
7:00 am-8:55 am
Nonstop4h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
DetroitSeattle
DTW Detroit Metropolitan Wayne County - SEA Seattle/Tacoma Intl
DTWSEA
Detroit Metropolitan Wayne County
Sun 11/22
7:01 am-9:09 am
Nonstop5h 08m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
DetroitSeattle
DTW Detroit Metropolitan Wayne County - SEA Seattle/Tacoma Intl
DTWSEA
Detroit Metropolitan Wayne County
Tue 12/8
6:18 pm-8:31 pm
Nonstop5h 13m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
DetroitSeattle
DTW Detroit Metropolitan Wayne County - SEA Seattle/Tacoma Intl
DTWSEA
Detroit Metropolitan Wayne County
Fri 12/25
6:20 am-8:39 am
Nonstop5h 19m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
DetroitSeattle
DTW Detroit Metropolitan Wayne County - SEA Seattle/Tacoma Intl
DTWSEA
Detroit Metropolitan Wayne County
Tue 10/20
5:59 pm-7:57 pm
Nonstop4h 58m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
DetroitSeattle
DTW Detroit Metropolitan Wayne County - SEA Seattle/Tacoma Intl
DTWSEA
Detroit Metropolitan Wayne County
Sat 11/7
5:45 pm-7:48 pm
Nonstop5h 03m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
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 September.
| 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 | |
| Price Accuracy3 stars | 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, January is the cheapest month in which you can book a flight from Detroit to Seattle (average of $265). Flying from Detroit to Seattle in July is currently the most expensive (average of $495). 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 September 27, 2026.
It’s optimal to fly from Detroit to Seattle in the evening. By choosing this option you can save up to 39% 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 September 27, 2026.
The most flights from DTT to SEA are scheduled on a Friday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
How much does it cost to fly round-trip from Detroit to Seattle?
Airfare is below average for this route at the moment.
Detroit to Seattle flights typically cost between $375 and $637 in November.The cheapest round-trip price found within the last 5 days was $312 on Frontier (Nov 7-Nov 9).
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.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $358.
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 Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 11m.
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 Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 08m.
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 September 19, 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 September 27, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited 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
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
Poulsbo
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Detroit and Seattle flights
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Top 5 airlines flying from Detroit to Seattle
Discover the top 5 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 7,457,451 searches. Data last updated September 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$190 | Average$317 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$209 | Average$469 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$210 | Average$427 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$216 | Average$526 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$240 | Average$359 | FlexibilityNo cancel fee | On-time69% |