$77+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
mar 21 — mar 281
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
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 februari 19, 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 februari 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
ons 4/14:22 pm
DTW
- SEA
2 stops27h 22m
Frontier
lör 4/256:57 pm
SEA
- DTW
1 stop13h 01m
Frontier
Deal found 2/17![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
mån 4/2011:02 am
DTW
- SEA
2 stops25h 25m
Frontier
tors 4/236:57 pm
SEA
- DTW
1 stop13h 01m
Frontier
Deal found 2/16![Frontier logo]()
$199
This Trip.com deal was found by Cheapflights users on 2/15. 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.
ons 3/48:30 am
DTW
- SEA
1 stop30h 31m
Frontier
sön 3/812:24 pm
SEA
- DTW
1 stop19h 35m
Frontier
Deal found 2/15![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
fre 4/1710:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
fre 4/244:20 pm
SEA
- DTW
2 stops13h 50m
Frontier
Deal found 2/16![Frontier logo]()
$205
This Trip.com deal was found by Cheapflights users on 2/17. 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.
mån 4/1311:54 am
DTW
- SEA
1 stop24h 33m
Multiple Airlines
tis 4/2110:17 pm
SEA
- DTW
Nonstop4h 27m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$206
This Delta deal was found by Cheapflights users on 2/18. 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.
fre 4/247:52 pm
DTW
- SEA
Nonstop4h 58m
Delta
lör 5/910:10 am
SEA
- DTW
1 stop10h 02m
Delta
Deal found 2/18![Delta logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
fre 4/1710:27 pm
DTW
- SEA
1 stop14h 00m
Multiple Airlines
mån 4/279:35 pm
SEA
- DTW
1 stop20h 19m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$209
This Frontier deal was found by Cheapflights users on 2/16. 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.
tors 4/1610:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
tors 4/236:57 pm
SEA
- DTW
1 stop13h 01m
Frontier
Deal found 2/16![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
ons 4/156:15 am
DTW
- SEA
2 stops30h 12m
Multiple Airlines
mån 4/209:35 pm
SEA
- DTW
1 stop20h 19m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
ons 3/1811:54 am
DTW
- SEA
1 stop26h 25m
Multiple Airlines
mån 3/239:36 pm
SEA
- DTW
1 stop27h 59m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
ons 3/48:30 am
DTW
- SEA
1 stop30h 31m
Frontier
mån 3/96:54 pm
SEA
- DTW
2 stops37h 05m
Frontier
Deal found 2/15![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
tis 4/285:09 pm
DTW
- SEA
2 stops19h 18m
Frontier
lör 5/26:57 pm
SEA
- DTW
1 stop13h 01m
Frontier
Deal found 2/17![Frontier logo]()
$216
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 februari 19, 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 februari 19, 2026.
This Delta deal was found by Cheapflights users on 2/15. 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.
ons 5/64:16 pm
DTW
- SEA
1 stop10h 35m
Delta
sön 5/105:30 am
SEA
- DTW
Nonstop4h 22m
Delta
Deal found 2/15![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/15. 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.
tis 3/174:29 pm
DTW
- SEA
Nonstop4h 57m
Delta
tis 3/249:40 am
SEA
- DTW
1 stop10h 14m
Delta
Deal found 2/15![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/16. 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.
fre 4/177:52 pm
DTW
- SEA
Nonstop4h 58m
Delta
mån 4/2711:59 pm
SEA
- DTW
1 stop8h 44m
Delta
Deal found 2/16![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/17. 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.
tors 3/198:15 pm
DTW
- SEA
Nonstop5h 00m
Delta
mån 3/235:55 pm
SEA
- DTW
1 stop8h 05m
Delta
Deal found 2/17![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/17. 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.
tis 4/712:20 pm
DTW
- SEA
Nonstop5h 00m
Delta
sön 4/1211:59 pm
SEA
- DTW
1 stop8h 44m
Delta
Deal found 2/17![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/18. 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.
fre 4/177:52 pm
DTW
- SEA
Nonstop4h 58m
Delta
tors 4/2311:59 pm
SEA
- DTW
1 stop5h 44m
Delta
Deal found 2/18![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/18. 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.
ons 4/18:15 pm
DTW
- SEA
Nonstop5h 00m
Delta
tis 4/75:55 pm
SEA
- DTW
1 stop9h 59m
Delta
Deal found 2/18![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/15. 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.
lör 5/164:10 pm
DTW
- SEA
1 stop10h 45m
Delta
ons 5/205:30 am
SEA
- DTW
Nonstop4h 22m
Delta
Deal found 2/15![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/16. 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.
tors 4/164:16 pm
DTW
- SEA
1 stop10h 35m
Delta
lör 4/256:00 am
SEA
- DTW
Nonstop4h 13m
Delta
Deal found 2/16![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/18. 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.
fre 4/247:52 pm
DTW
- SEA
Nonstop4h 58m
Delta
lör 5/910:10 am
SEA
- DTW
1 stop10h 02m
Delta
Deal found 2/18![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/15. 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.
lör 5/98:35 pm
DTW
- SEA
Nonstop4h 53m
Delta
mån 5/1111:59 pm
SEA
- DTW
1 stop5h 55m
Delta
Deal found 2/15![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 2/17. 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.
tis 4/287:52 pm
DTW
- SEA
Nonstop4h 57m
Delta
lör 5/28:20 am
SEA
- DTW
1 stop9h 15m
Delta
Deal found 2/17![Delta logo]()
$207
Last-minute flights from Detroit to SeattleDiscover last-minute flight deals from Detroit to Seattle. Data last updated februari 19, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Seattle. Data last updated februari 19, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 2/15. 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.
ons 3/48:30 am
DTW
- SEA
1 stop30h 31m
Frontier
sön 3/812:24 pm
SEA
- DTW
1 stop19h 35m
Frontier
Deal found 2/15![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
ons 3/48:30 am
DTW
- SEA
1 stop30h 31m
Frontier
mån 3/96:54 pm
SEA
- DTW
2 stops37h 05m
Frontier
Deal found 2/15![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
ons 3/1811:54 am
DTW
- SEA
1 stop26h 25m
Multiple Airlines
mån 3/239:36 pm
SEA
- DTW
1 stop27h 59m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$213
This Delta deal was found by Cheapflights users on 2/18. 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.
ons 3/184:29 pm
DTW
- SEA
Nonstop4h 57m
Delta
ons 3/256:00 am
SEA
- DTW
Nonstop4h 09m
Delta
Deal found 2/18![Delta logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
ons 3/1811:54 am
DTW
- SEA
1 stop26h 25m
Frontier
tis 3/2410:08 pm
SEA
- DTW
2 stops33h 51m
Frontier
Deal found 2/17![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
ons 3/1811:54 am
DTW
- SEA
1 stop26h 25m
Multiple Airlines
tis 3/246:24 pm
SEA
- DTW
1 stop31h 41m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
ons 3/1811:54 am
DTW
- SEA
1 stop26h 25m
Multiple Airlines
ons 3/256:24 pm
SEA
- DTW
1 stop31h 41m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$228
This Delta deal was found by Cheapflights users on 2/16. 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.
fre 3/208:25 am
DTW
- SEA
Nonstop5h 08m
Delta
mån 3/235:55 pm
SEA
- DTW
1 stop8h 05m
Delta
Deal found 2/16![Delta logo]()
$207
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 februari 19, 2026.
Search for one-way flight options from Detroit to Seattle. Find affordable one-way fares based on user searches. Data last updated februari 19, 2026.
This Trip.com deal was found by Cheapflights users on 2/17. 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.
sön 5/310:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 2/17![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
mån 4/2010:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 2/18![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
fre 5/1511:54 am
DTW
- SEA
1 stop24h 33m
Frontier
Deal found 2/15![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
tors 4/211:54 am
DTW
- SEA
1 stop26h 43m
Frontier
Deal found 2/18![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
sön 3/1510:27 pm
DTW
- SEA
1 stop15h 52m
Frontier
Deal found 2/17![Frontier logo]()
$88
This Trip.com deal was found by Cheapflights users on 2/18. 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.
fre 4/1710:27 pm
DTW
- SEA
1 stop14h 00m
Frontier
Deal found 2/18![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
tis 4/1412:33 pm
DTW
- SEA
2 stops23h 54m
Frontier
Deal found 2/18![Frontier logo]()
$98
This Southwest deal was found by Cheapflights users on 2/18. 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.
lör 4/254:55 pm
DTW
- SEA
1 stop8h 05m
Southwest
Deal found 2/18![Southwest logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
ons 4/156:15 am
DTW
- SEA
2 stops30h 12m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$100
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 februari 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Kiwi.com) |
One-way from | $77 (Trip.com) |
Popular in | October |
Cheapest in | January |
Average price | $307 |
Good round-trip deal | $318 or less |
Good one-way deal | $203 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 februari 19, 2026.
Use the filters below to find and compare flights from Detroit to Seattle that are best for you.
Fly from
Detroit
Fly to
Seattle
Route
Depart
Return
Price
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
ons 5/6
4:16 pm-11:51 pm
1 stop10h 35m
Seattle/Tacoma Intl
sön 5/10
5:30 am-12:52 pm
Nonstop4h 22m
$207
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
tis 3/17
4:29 pm-6:26 pm
Nonstop4h 57m
Seattle/Tacoma Intl
tis 3/24
9:40 am-10:54 pm
1 stop10h 14m
$207
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
fre 4/17
7:52 pm-9:50 pm
Nonstop4h 58m
Seattle/Tacoma Intl
mån 4/27
11:59 pm-11:43 am
1 stop8h 44m
$207
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
tors 3/19
8:15 pm-10:15 pm
Nonstop5h 00m
Seattle/Tacoma Intl
mån 3/23
5:55 pm-5:00 am
1 stop8h 05m
$207
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
tis 4/7
12:20 pm-2:20 pm
Nonstop5h 00m
Seattle/Tacoma Intl
sön 4/12
11:59 pm-11:43 am
1 stop8h 44m
$207
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
fre 4/17
7:52 pm-9:50 pm
Nonstop4h 58m
Seattle/Tacoma Intl
tors 4/23
11:59 pm-8:43 am
1 stop5h 44m
$207
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
ons 4/1
8:15 pm-10:15 pm
Nonstop5h 00m
Seattle/Tacoma Intl
tis 4/7
5:55 pm-6:54 am
1 stop9h 59m
$207
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
lör 5/16
4:10 pm-11:55 pm
1 stop10h 45m
Seattle/Tacoma Intl
ons 5/20
5:30 am-12:52 pm
Nonstop4h 22m
$207
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
tors 4/16
4:16 pm-11:51 pm
1 stop10h 35m
Seattle/Tacoma Intl
lör 4/25
6:00 am-1:13 pm
Nonstop4h 13m
$207
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
fre 4/24
7:52 pm-9:50 pm
Nonstop4h 58m
Seattle/Tacoma Intl
lör 5/9
10:10 am-11:12 pm
1 stop10h 02m
$207
Showing 1-10 of 23 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Detroit-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Detroit to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Detroit with our price prediction graph.
DTT-SEA
DTW-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Detroit to Seattle
DTT-SEA
DTW-SEA
How far ahead should I book a flight from Detroit to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Detroit to Seattle. Price data was last updated on February 18, 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 $170). 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 februari 19, 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.
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 februari 19, 2026.
The most flights from DTT to SEA are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Detroit to Seattle?
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated februari 19, 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.
Overall
8.0
Entertainment
7.0
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
8.0
Entertainment
7.0
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
8.0
Entertainment
7.0
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
8.0
Entertainment
7.0
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
8.0
Entertainment
7.0
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
8.0
Entertainment
7.0
Crew
8.5
Food
7.1
Boarding
8.1
Comfort
7.8
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
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Search flights from Detroit to Seattle by cabin class
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Detroit and Seattle flights
Browse other Detroit and Seattle flight options. Last updated on februari 19, 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 februari 19, 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 februari 19, 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 februari 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$110 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$115 | Average$242 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$133 | Average$315 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$168 | Average$365 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$200 | Average$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$206 | Average$410 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$382 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$222 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$240 | Average$359 | FlexibilityNo cancel fee | On-time69% |