$119+ Cheap flights from Des Moines to Seattle (DSM - 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — SEA
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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Cheapest flights from Des Moines to SeattleExplore the most affordable flight options available from Des Moines to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
Explore the most affordable flight options available from Des Moines to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 8/318:54 pm
DSM
- SEA
1 stop15h 45m
Multiple Airlines
Wed 9/99:45 pm
SEA
- DSM
1 stop21h 21m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/172:19 pm
DSM
- SEA
1 stop21h 00m
Multiple Airlines
Wed 8/268:53 pm
SEA
- DSM
1 stop22h 07m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/172:19 pm
DSM
- SEA
1 stop21h 00m
Multiple Airlines
Thu 8/279:29 pm
SEA
- DSM
1 stop19h 19m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/172:19 pm
DSM
- SEA
1 stop21h 00m
Multiple Airlines
Sun 8/239:29 pm
SEA
- DSM
1 stop20h 19m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$251
This CheapOair deal was found by Cheapflights users on 7/26. 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.
Thu 9/2411:29 am
DSM
- SEA
1 stop5h 39m
Frontier
Thu 10/14:27 pm
SEA
- DSM
1 stop25h 06m
Frontier
Deal found 7/26![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sun 8/239:50 pm
DSM
- SEA
1 stop14h 49m
Multiple Airlines
Sun 8/302:37 pm
SEA
- DSM
1 stop20h 57m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/172:19 pm
DSM
- SEA
1 stop21h 00m
Multiple Airlines
Tue 8/257:06 pm
SEA
- DSM
2 stops35h 32m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 8/217:38 pm
DSM
- SEA
1 stop17h 01m
Multiple Airlines
Wed 8/268:53 pm
SEA
- DSM
1 stop22h 07m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sun 8/239:50 pm
DSM
- SEA
2 stops13h 29m
Multiple Airlines
Wed 8/268:53 pm
SEA
- DSM
1 stop22h 07m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sun 8/239:50 pm
DSM
- SEA
2 stops16h 30m
Multiple Airlines
Thu 8/279:29 pm
SEA
- DSM
1 stop19h 19m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sun 8/169:44 pm
DSM
- SEA
1 stop15h 20m
Multiple Airlines
Wed 8/198:53 pm
SEA
- DSM
1 stop22h 07m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$270
Best flights from Des Moines to SeattleDiscover carefully curated flight deals from Des Moines to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from Des Moines to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:21 pm
DSM
- SEA
1 stop7h 46m
United Airlines
Sat 8/291:16 pm
SEA
- DSM
2 stops8h 28m
United Airlines
Deal found 7/24![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 7/26. 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.
Thu 10/87:51 pm
DSM
- SEA
1 stop6h 08m
Delta
Mon 10/1211:50 pm
SEA
- DSM
1 stop8h 21m
Delta
Deal found 7/26![Delta logo]()
$406
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:24 pm
DSM
- SEA
1 stop7h 28m
United Airlines
Mon 10/123:55 pm
SEA
- DSM
1 stop5h 53m
United Airlines
Deal found 7/24![United Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:45 am
DSM
- SEA
2 stops8h 38m
United Airlines
Mon 10/1211:13 pm
SEA
- DSM
1 stop9h 18m
United Airlines
Deal found 7/25![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 8/265:45 am
DSM
- SEA
1 stop6h 16m
United Airlines
Sat 9/55:20 pm
SEA
- DSM
2 stops15h 06m
United Airlines
Deal found 7/27![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/241:24 pm
DSM
- SEA
2 stops10h 35m
United Airlines
Thu 10/13:55 pm
SEA
- DSM
1 stop5h 53m
United Airlines
Deal found 7/27![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/201:21 pm
DSM
- SEA
2 stops12h 05m
United Airlines
Mon 8/245:00 am
SEA
- DSM
1 stop5h 32m
United Airlines
Deal found 7/27![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 7/26. 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 10/31:27 pm
DSM
- SEA
1 stop6h 10m
United Airlines
Sat 10/101:22 pm
SEA
- DSM
2 stops8h 26m
United Airlines
Deal found 7/26![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 8/186:00 am
DSM
- SEA
2 stops15h 08m
United Airlines
Thu 8/2711:59 pm
SEA
- DSM
2 stops12h 17m
United Airlines
Deal found 7/27![United Airlines logo]()
$456
Last-minute flights from Des Moines to SeattleDiscover last-minute flight deals from Des Moines to Seattle. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Des Moines to Seattle. Data last updated July 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:06 pm
DSM
- SEA
1 stop14h 58m
Multiple Airlines
Thu 8/209:29 pm
SEA
- DSM
1 stop19h 19m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sun 8/169:44 pm
DSM
- SEA
1 stop15h 20m
Multiple Airlines
Wed 8/198:53 pm
SEA
- DSM
1 stop22h 07m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/172:19 pm
DSM
- SEA
1 stop21h 00m
Multiple Airlines
Wed 8/268:53 pm
SEA
- DSM
1 stop22h 07m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/172:19 pm
DSM
- SEA
1 stop21h 00m
Multiple Airlines
Thu 8/279:29 pm
SEA
- DSM
1 stop19h 19m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/172:19 pm
DSM
- SEA
1 stop21h 00m
Multiple Airlines
Sun 8/239:29 pm
SEA
- DSM
1 stop20h 19m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/172:19 pm
DSM
- SEA
1 stop21h 00m
Multiple Airlines
Tue 8/257:06 pm
SEA
- DSM
2 stops35h 32m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 8/217:38 pm
DSM
- SEA
1 stop17h 01m
Multiple Airlines
Wed 8/268:53 pm
SEA
- DSM
1 stop22h 07m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sun 8/239:50 pm
DSM
- SEA
1 stop14h 49m
Multiple Airlines
Sun 8/302:37 pm
SEA
- DSM
1 stop20h 57m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sun 8/239:50 pm
DSM
- SEA
2 stops13h 29m
Multiple Airlines
Wed 8/268:53 pm
SEA
- DSM
1 stop22h 07m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sun 8/239:50 pm
DSM
- SEA
2 stops16h 30m
Multiple Airlines
Thu 8/279:29 pm
SEA
- DSM
1 stop19h 19m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 8/318:54 pm
DSM
- SEA
1 stop15h 45m
Multiple Airlines
Wed 9/99:45 pm
SEA
- DSM
1 stop21h 21m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$196
One-way flights from Des Moines to SeattleSearch for one-way flight options from Des Moines to Seattle. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from Des Moines to Seattle. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:19 pm
DSM
- SEA
1 stop21h 00m
Frontier
Deal found 7/24![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:38 pm
DSM
- SEA
2 stops23h 13m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$131
This Booking.com deal was found by Cheapflights users on 7/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:19 pm
DSM
- SEA
1 stop21h 00m
Frontier
Deal found 7/25![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:42 pm
DSM
- SEA
1 stop29h 03m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$157
This CheapOair deal was found by Cheapflights users on 7/24. 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.
Fri 10/92:31 pm
DSM
- SEA
1 stop21h 20m
Frontier
Deal found 7/24![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Fri 8/79:21 pm
DSM
- SEA
1 stop15h 43m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:45 am
DSM
- SEA
1 stop6h 16m
United Airlines
Deal found 7/25![United Airlines logo]()
$173
This Delta deal was found by Cheapflights users on 7/23. 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.
Wed 8/262:54 pm
DSM
- SEA
1 stop11h 03m
Delta
Deal found 7/23![Delta logo]()
$174
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:41 am
DSM
- SEA
1 stop10h 10m
American Airlines
Deal found 7/26![American Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:19 pm
DSM
- SEA
1 stop24h 58m
Frontier
Deal found 7/23![Frontier logo]()
$179
This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:19 pm
DSM
- SEA
1 stop20h 45m
Frontier
Deal found 7/27![Frontier logo]()
$181
Find flight deals from Des Moines to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Des Moines (DSM) 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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $196 (Kiwi.com) |
One-way from | $119 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $566 |
Cheapflights Fare Finder
Customize your flight search to find flights from Des Moines 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 July 28, 2026.
Use the filters below to find and compare flights from Des Moines to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Sat 8/22
1:21 pm-7:07 pm
1 stop7h 46m
Seattle/Tacoma Intl
Sat 8/29
1:16 pm-11:44 pm
2 stops8h 28m
$360
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Thu 10/8
7:51 pm-11:59 pm
1 stop6h 08m
Seattle/Tacoma Intl
Mon 10/12
11:50 pm-10:11 am
1 stop8h 21m
$406
Quickest round-trip
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Fri 10/9
1:24 pm-6:52 pm
1 stop7h 28m
Seattle/Tacoma Intl
Mon 10/12
3:55 pm-11:48 pm
1 stop5h 53m
$406
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Wed 10/7
5:45 am-12:23 pm
2 stops8h 38m
Seattle/Tacoma Intl
Mon 10/12
11:13 pm-10:31 am
1 stop9h 18m
$450
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Wed 8/26
5:45 am-10:01 am
1 stop6h 16m
Seattle/Tacoma Intl
Sat 9/5
5:20 pm-10:26 am
2 stops15h 06m
$450
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Thu 9/24
1:24 pm-9:59 pm
2 stops10h 35m
Seattle/Tacoma Intl
Thu 10/1
3:55 pm-11:48 pm
1 stop5h 53m
$450
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Thu 8/20
1:21 pm-11:26 pm
2 stops12h 05m
Seattle/Tacoma Intl
Mon 8/24
5:00 am-12:32 pm
1 stop5h 32m
$450
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Sat 10/3
1:27 pm-5:37 pm
1 stop6h 10m
Seattle/Tacoma Intl
Sat 10/10
1:22 pm-11:48 pm
2 stops8h 26m
$450
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Tue 8/18
6:00 am-7:08 pm
2 stops15h 08m
Seattle/Tacoma Intl
Thu 8/27
11:59 pm-2:16 pm
2 stops12h 17m
$456
Cheapest one-way
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Sat 10/3
5:45 am-10:01 am
1 stop6h 16m
$173
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Des Moines 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 Des Moines to Seattle in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 Des Moines-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Des Moines-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Des Moines-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Des Moines-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 Des Moines-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 Des Moines to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Des Moines with our price prediction graph.
DSM-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 Des Moines to Seattle
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How far ahead should I book a flight from Des Moines to Seattle?
To ensure you get the cheapest price possible for a flight from Des Moines to Seattle, you should look to book at least 10 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 month to book a flight from Des Moines to Seattle?
Currently, September is the cheapest month in which you can book a flight from Des Moines to Seattle (average of $412). Flying from Des Moines to Seattle in June is currently the most expensive (average of $639). 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.
How much does it cost to fly round-trip from Des Moines to Seattle?
Airfare is below average for this route at the moment.
Des Moines to Seattle flights typically cost between $365 and $616 in August.The cheapest round-trip price found within the last 5 days was $196 on Multiple Airlines (Aug 31-Sep 9).
What’s the top layover airport for flights from Des Moines to Seattle?
Share of 1-stop round-trip flights from Des Moines to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 80% of 1-stop itineraries from Des Moines to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Des Moines to Seattle?
Average round-trip fare for 1-stop flights from Des Moines 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 $398.
What’s the fastest layover option from Des Moines to Seattle?
Shortest average travel time for 1-stop one-way flights from Des Moines 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 15m.
Which airport typically offers the quickest layover for flights from Des Moines to Seattle?
Average layover duration for 1-stop one-way flights from Des Moines to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 43m.
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 July 28, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Des Moines 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
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Des Moines 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
Edmonds
Tukwila
Snoqualmie
Tumwater
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Shoreline
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Des Moines and Seattle flights
Browse other Des Moines and Seattle flight options. Last updated on July 28, 2026.
Other flights from Des Moines
Browse through other flights departing from Des Moines. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
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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 July 28, 2026.
Top 6 airlines flying from Des Moines to Seattle
Discover the top 6 airlines that operate flights from Des Moines 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 July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$297 | Average$502 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$300 | Average$475 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$317 | Average$487 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$346 | Average$504 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$502 | Average$639 | FlexibilityNo cancel fee | On-time75% |