$178+ Cheap flights from Seattle to Detroit (SEA - DTT)
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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DTT
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Detroit 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 Seattle/Tacoma Intl to Detroit All airports are usually found in January or March, booked 76 days in advance, depart on a Wednesday or Tuesday and return on a Friday
Cheap flight deals from Seattle to Detroit
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to DetroitExplore the most affordable flight options available from Seattle to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
Explore the most affordable flight options available from Seattle to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/214:27 pm -
1 stop20h 01m
Sat 11/77:00 am -
1 stop11h 12m
Deal found 8/31![Frontier logo]()
$342
This Expedia deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
1 stop20h 07m
Mon 10/267:08 am -
1 stop11h 04m
Deal found 8/28![Frontier logo]()
$343
This Trip.com deal was found by Cheapflights users on 8/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:27 pm -
1 stop20h 01m
Tue 9/227:08 am -
1 stop11h 00m
Deal found 8/30![Frontier logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Tue 9/294:27 pm -
1 stop20h 01m
Fri 10/28:35 pm -
1 stop21h 33m
Deal found 8/31![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:27 pm -
1 stop28h 39m
Mon 10/57:15 am -
1 stop29h 27m
Deal found 8/29![Frontier logo]()
$346
This CheapOair deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:27 pm -
1 stop28h 39m
Mon 10/57:15 am -
1 stop29h 27m
Deal found 8/28![Frontier logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Tue 9/2210:57 am -
1 stop14h 58m
Sat 10/247:00 am -
Nonstop4h 55m
Deal found 9/1![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Tue 9/224:27 pm -
2 stops14h 25m
Wed 10/217:08 am -
1 stop11h 04m
Deal found 9/1![Frontier logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Tue 9/2210:57 am -
1 stop14h 58m
Tue 10/277:00 am -
2 stops14h 54m
Deal found 9/1![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:27 pm -
2 stops14h 25m
Tue 9/297:08 am -
1 stop11h 00m
Deal found 8/27![Frontier logo]()
$352
This CheapOair deal was found by Cheapflights users on 8/30. 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.
Thu 10/229:16 pm -
1 stop28h 44m
Sun 10/257:15 am -
1 stop29h 33m
Deal found 8/30![Frontier logo]()
$353
Best flights from Seattle to DetroitDiscover carefully curated flight deals from Seattle to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
Discover carefully curated flight deals from Seattle to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This Delta deal was found by Cheapflights users on 8/30. 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.
Wed 10/216:00 am -
Nonstop4h 23m
Mon 10/267:57 pm -
Nonstop5h 08m
Deal found 8/30![Delta logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:18 pm -
Nonstop4h 22m
Sun 10/187:00 am -
Nonstop4h 55m
Deal found 8/28![Alaska Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 8/29. 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.
Wed 10/143:00 pm -
Nonstop4h 16m
Tue 10/207:57 pm -
Nonstop5h 08m
Deal found 8/29![Delta logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 9/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:59 pm -
Nonstop4h 23m
Fri 10/235:59 pm -
Nonstop4h 58m
Deal found 9/1![Alaska Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 8/30. 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.
Wed 10/217:15 am -
1 stop9h 00m
Tue 11/37:57 pm -
Nonstop5h 08m
Deal found 8/30![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 8/30. 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.
Sat 10/2412:10 am -
Nonstop4h 14m
Fri 10/307:50 pm -
1 stop7h 09m
Deal found 8/30![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
Nonstop4h 23m
Mon 10/197:57 pm -
Nonstop5h 08m
Deal found 8/27![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 8/30. 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 10/276:00 am -
Nonstop4h 23m
Mon 11/212:40 pm -
Nonstop5h 05m
Deal found 8/30![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 9/1. 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.
Thu 10/112:35 pm -
1 stop8h 05m
Mon 10/56:00 am -
Nonstop4h 55m
Deal found 9/1![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 9/1. 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.
Thu 10/111:59 pm -
1 stop5h 49m
Sun 10/46:00 am -
Nonstop4h 55m
Deal found 9/1![Delta logo]()
$387
Last-minute flights from Seattle to DetroitDiscover last-minute flight deals from Seattle to Detroit. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Detroit. Data last updated September 1, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 8/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:27 pm -
1 stop20h 01m
Tue 9/227:08 am -
1 stop11h 00m
Deal found 8/30![Frontier logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/214:27 pm -
1 stop20h 01m
Sat 11/77:00 am -
1 stop11h 12m
Deal found 8/31![Frontier logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Tue 9/2210:57 am -
1 stop14h 58m
Sat 10/247:00 am -
Nonstop4h 55m
Deal found 9/1![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Tue 9/224:27 pm -
2 stops14h 25m
Wed 10/217:08 am -
1 stop11h 04m
Deal found 9/1![Frontier logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Tue 9/2210:57 am -
1 stop14h 58m
Tue 10/277:00 am -
2 stops14h 54m
Deal found 9/1![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:27 pm -
2 stops14h 25m
Tue 9/297:08 am -
1 stop11h 00m
Deal found 8/27![Frontier logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:27 pm -
1 stop28h 39m
Mon 10/57:15 am -
1 stop29h 27m
Deal found 8/29![Frontier logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Tue 9/294:27 pm -
1 stop20h 01m
Fri 10/28:35 pm -
1 stop21h 33m
Deal found 8/31![Frontier logo]()
$345
This CheapOair deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:27 pm -
1 stop28h 39m
Mon 10/57:15 am -
1 stop29h 27m
Deal found 8/28![Frontier logo]()
$348
This CheapOair deal was found by Cheapflights users on 8/30. 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.
Thu 10/229:16 pm -
1 stop28h 44m
Sun 10/257:15 am -
1 stop29h 33m
Deal found 8/30![Frontier logo]()
$353
This Expedia deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
1 stop20h 07m
Mon 10/267:08 am -
1 stop11h 04m
Deal found 8/28![Frontier logo]()
$343
One-way flights from Seattle to DetroitSearch for one-way flight options from Seattle to Detroit. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from Seattle to Detroit. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/14:27 pm -
2 stops26h 05m
Deal found 9/1![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:42 pm -
1 stop15h 39m
Deal found 8/28![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Tue 9/228:15 pm -
2 stops29h 40m
Deal found 8/31![Frontier logo]()
$181
This CheapOair deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:27 pm -
1 stop20h 01m
Deal found 8/28![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:15 pm -
2 stops34h 37m
Deal found 8/28![Frontier logo]()
$183
This Super.com deal was found by Cheapflights users on 8/31. 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.
Tue 9/88:48 pm -
1 stop29h 07m
Deal found 8/31![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:15 pm -
2 stops29h 40m
Deal found 8/29![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:27 pm -
1 stop20h 01m
Deal found 8/28![Frontier logo]()
$188
This Delta deal was found by Cheapflights users on 8/31. 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.
Sat 10/35:55 pm -
1 stop9h 08m
Deal found 8/31![Delta logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/279:45 pm -
1 stop28h 10m
Deal found 9/1![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Fri 10/28:15 pm -
2 stops18h 53m
Deal found 9/1![Frontier logo]()
$192
Find flight deals from Seattle to Detroit
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Detroit (DTT). 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 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $342 (Kiwi.com) |
One-way from | $178 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $457 |
Good round-trip deal | $403 or less |
Good one-way deal | $269 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Detroit 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 1, 2026.
Use the filters below to find and compare flights from Seattle to Detroit that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleDetroit
SEA Seattle/Tacoma Intl - DTW Detroit Metropolitan Wayne County
SEADTW
Seattle/Tacoma Intl
Wed 10/21
6:00 am-1:23 pm
Nonstop4h 23m
Detroit Metropolitan Wayne County
Mon 10/26
7:57 pm-10:05 pm
Nonstop5h 08m
$357
SeattleDetroit
SEA Seattle/Tacoma Intl - DTW Detroit Metropolitan Wayne County
SEADTW
Seattle/Tacoma Intl
Wed 10/14
3:00 pm-10:16 pm
Nonstop4h 16m
Detroit Metropolitan Wayne County
Tue 10/20
7:57 pm-10:05 pm
Nonstop5h 08m
$357
SeattleDetroit
SEA Seattle/Tacoma Intl - DTW Detroit Metropolitan Wayne County
SEADTW
Seattle/Tacoma Intl
Wed 10/21
7:15 am-7:15 pm
1 stop9h 00m
Detroit Metropolitan Wayne County
Tue 11/3
7:57 pm-10:05 pm
Nonstop5h 08m
$367
SeattleDetroit
SEA Seattle/Tacoma Intl - DTW Detroit Metropolitan Wayne County
SEADTW
Seattle/Tacoma Intl
Sat 10/24
12:10 am-7:24 am
Nonstop4h 14m
Detroit Metropolitan Wayne County
Fri 10/30
7:50 pm-11:59 pm
1 stop7h 09m
$367
Quickest round-trip
SeattleDetroit
SEA Seattle/Tacoma Intl - DTW Detroit Metropolitan Wayne County
SEADTW
Seattle/Tacoma Intl
Wed 10/14
10:18 pm-5:40 am
Nonstop4h 22m
Detroit Metropolitan Wayne County
Sun 10/18
7:00 am-8:55 am
Nonstop4h 55m
$376
SeattleDetroit
SEA Seattle/Tacoma Intl - DTW Detroit Metropolitan Wayne County
SEADTW
Seattle/Tacoma Intl
Wed 10/14
6:00 am-1:23 pm
Nonstop4h 23m
Detroit Metropolitan Wayne County
Mon 10/19
7:57 pm-10:05 pm
Nonstop5h 08m
$378
SeattleDetroit
SEA Seattle/Tacoma Intl - DTW Detroit Metropolitan Wayne County
SEADTW
Seattle/Tacoma Intl
Tue 10/27
6:00 am-1:23 pm
Nonstop4h 23m
Detroit Metropolitan Wayne County
Mon 11/2
12:40 pm-2:45 pm
Nonstop5h 05m
$387
SeattleDetroit
SEA Seattle/Tacoma Intl - DTW Detroit Metropolitan Wayne County
SEADTW
Seattle/Tacoma Intl
Thu 10/1
12:35 pm-11:40 pm
1 stop8h 05m
Detroit Metropolitan Wayne County
Mon 10/5
6:00 am-7:55 am
Nonstop4h 55m
$387
SeattleDetroit
SEA Seattle/Tacoma Intl - DTW Detroit Metropolitan Wayne County
SEADTW
Seattle/Tacoma Intl
Thu 10/1
11:59 pm-8:48 am
1 stop5h 49m
Detroit Metropolitan Wayne County
Sun 10/4
6:00 am-7:55 am
Nonstop4h 55m
$387
SeattleDetroit
SEA Seattle/Tacoma Intl - DTW Detroit Metropolitan Wayne County
SEADTW
Seattle/Tacoma Intl
Tue 9/22
9:59 pm-5:22 am
Nonstop4h 23m
Detroit Metropolitan Wayne County
Fri 10/23
5:59 pm-7:57 pm
Nonstop4h 58m
$395
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Seattle to Detroit
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 Seattle to Detroit 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 Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-Detroit flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Detroit flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Detroit flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Detroit 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 Seattle-Detroit 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 Seattle to Detroit
Have a flexible travel schedule? Discover the best time to fly to Detroit from Seattle with our price prediction graph.
SEA-DTT
SEA-DTW
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 Seattle to Detroit
SEA-DTT
SEA-DTW
What is the cheapest month to book a flight from Seattle to Detroit?
Currently, January is the cheapest month in which you can book a flight from Seattle to Detroit (average of $246). Flying from Seattle to Detroit in July is currently the most expensive (average of $545). 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 SEA to DTT?
Find hourly flight availability from Seattle to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 1, 2026.
It’s typically best to fly out from Seattle to Detroit in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying at noon, which is usually more expensive.
Weekly flight availability from Seattle to Detroit
Explore weekly flight availability from Seattle to Detroit. 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 1, 2026.
The most flights from SEA to DTT are scheduled on a Monday (19 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Seattle to Detroit?
Airfare is below average for this route at the moment.
Seattle to Detroit flights typically cost between $358 and $563 in September.The cheapest round-trip price found within the last 5 days was $342 on Frontier (Sep 21-Nov 7).
What’s the top layover airport for flights from Seattle to Detroit?
Share of 1-stop round-trip flights from Seattle to Detroit chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Seattle to Detroit on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Detroit?
Average round-trip fare for 1-stop flights from Seattle to Detroit, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $333.
What’s the fastest layover option from Seattle to Detroit?
Shortest average travel time for 1-stop one-way flights from Seattle to Detroit, 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 15m.
Which airport typically offers the quickest layover for flights from Seattle to Detroit?
Average layover duration for 1-stop one-way flights from Seattle to Detroit, 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 30m.
How far ahead should I book a flight from Seattle to Detroit?
To ensure you get the cheapest price possible for a flight from Seattle to Detroit, you should look to book at least 75 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Seattle to Detroit?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Detroit. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Seattle to Detroit flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Detroit
Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated September 1, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Seattle to Detroit have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Seattle to Detroit. 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 Detroit?
Book flights to Detroit if you plan to visit one of these locationsRoseville
Port Huron
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Other flights to Detroit
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Top 5 airlines flying from Seattle to Detroit
Discover the top 5 airlines that operate flights from Seattle to Detroit. 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 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$377 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$171 | Average$349 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$449 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$459 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$446 | FlexibilityNo cancel fee | On-time71% |