$122+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — SEA
Jul 13 — Jul 201
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 June 13, 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 June 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 9/310:01 pm
DSM
- SEA
1 stop14h 34m
Multiple Airlines
Sat 9/127:00 am
SEA
- DSM
2 stops34h 57m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 6/299:56 pm
DSM
- SEA
1 stop14h 39m
Multiple Airlines
Wed 7/811:54 am
SEA
- DSM
2 stops30h 49m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/55:50 am
DSM
- SEA
1 stop6h 10m
United Airlines
Thu 8/1311:00 pm
SEA
- DSM
1 stop9h 26m
United Airlines
Deal found 6/11![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 7/256:55 pm
DSM
- SEA
1 stop7h 20m
Southwest
Wed 7/295:40 am
SEA
- DSM
2 stops10h 40m
Southwest
Deal found 6/11![Southwest logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/29:33 pm
DSM
- SEA
2 stops13h 44m
Multiple Airlines
Thu 8/137:06 pm
SEA
- DSM
1 stop16h 28m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 8/142:39 pm
DSM
- SEA
1 stop7h 31m
American Airlines
Sat 8/225:00 am
SEA
- DSM
1 stop8h 12m
American Airlines
Deal found 6/12![American Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/2911:32 am
DSM
- SEA
1 stop9h 35m
United Airlines
Fri 9/411:59 pm
SEA
- DSM
2 stops12h 17m
United Airlines
Deal found 6/10![United Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 8/3111:32 am
DSM
- SEA
1 stop9h 35m
United Airlines
Wed 9/26:52 pm
SEA
- DSM
2 stops13h 34m
United Airlines
Deal found 6/9![United Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/51:49 pm
DSM
- SEA
1 stop23h 19m
Multiple Airlines
Tue 8/117:06 pm
SEA
- DSM
1 stop16h 28m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/310:01 pm
DSM
- SEA
1 stop14h 34m
Multiple Airlines
Wed 7/158:13 pm
SEA
- DSM
1 stop22h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/86:33 pm
DSM
- SEA
1 stop8h 19m
American Airlines
Wed 7/1511:22 pm
SEA
- DSM
1 stop7h 49m
American Airlines
Deal found 6/10![American Airlines logo]()
$416
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 June 13, 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 June 13, 2026.
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/25:45 am
DSM
- SEA
1 stop6h 16m
United Airlines
Mon 10/1211:13 pm
SEA
- DSM
1 stop9h 18m
United Airlines
Deal found 6/10![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 6/12. 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 10/77:50 pm
DSM
- SEA
1 stop6h 09m
Delta
Mon 10/129:20 pm
SEA
- DSM
1 stop10h 58m
Delta
Deal found 6/12![Delta logo]()
$410
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:35 am
DSM
- SEA
2 stops10h 00m
Southwest
Sun 10/2512:15 am
SEA
- DSM
1 stop9h 05m
Southwest
Deal found 6/12![Southwest logo]()
$416
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 8/3111:32 am
DSM
- SEA
2 stops12h 19m
United Airlines
Tue 9/111:59 pm
SEA
- DSM
2 stops12h 17m
United Airlines
Deal found 6/10![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 6/12. 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.
Wed 10/712:05 pm
DSM
- SEA
2 stops11h 05m
Southwest
Sat 10/107:35 am
SEA
- DSM
2 stops10h 05m
Southwest
Deal found 6/12![Southwest logo]()
$429
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/15:45 am
DSM
- SEA
2 stops11h 54m
United Airlines
Wed 9/27:35 pm
SEA
- DSM
2 stops12h 51m
United Airlines
Deal found 6/11![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:40 pm
DSM
- SEA
1 stop9h 55m
Southwest
Fri 8/77:00 am
SEA
- DSM
1 stop6h 10m
Southwest
Deal found 6/9![Southwest logo]()
$487
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/18:00 am
DSM
- SEA
2 stops13h 08m
United Airlines
Fri 9/411:59 pm
SEA
- DSM
2 stops12h 17m
United Airlines
Deal found 6/11![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/315:45 am
DSM
- SEA
1 stop6h 16m
United Airlines
Wed 9/28:40 am
SEA
- DSM
1 stop5h 39m
United Airlines
Deal found 6/12![United Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/231:35 pm
DSM
- SEA
1 stop6h 07m
United Airlines
Tue 9/2910:55 am
SEA
- DSM
2 stops11h 04m
United Airlines
Deal found 6/12![United Airlines logo]()
$468
Last-minute flights from Des Moines to SeattleDiscover last-minute flight deals from Des Moines to Seattle. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Des Moines to Seattle. Data last updated June 13, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/11. 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 6/262:16 pm
DSM
- SEA
1 stop26h 02m
Frontier
Tue 6/307:41 pm
SEA
- DSM
1 stop15h 50m
Frontier
Deal found 6/11![Frontier logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 6/288:36 pm
DSM
- SEA
1 stop15h 59m
Multiple Airlines
Tue 7/78:13 pm
SEA
- DSM
1 stop14h 46m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 6/299:56 pm
DSM
- SEA
1 stop14h 39m
Multiple Airlines
Wed 7/811:54 am
SEA
- DSM
2 stops30h 49m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:50 am
DSM
- SEA
1 stop6h 14m
Delta
Thu 7/911:20 am
SEA
- DSM
1 stop7h 29m
Delta
Deal found 6/9![Delta logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/310:01 pm
DSM
- SEA
1 stop14h 34m
Multiple Airlines
Wed 7/158:13 pm
SEA
- DSM
1 stop22h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/610:01 pm
DSM
- SEA
1 stop14h 38m
Multiple Airlines
Wed 7/158:13 pm
SEA
- DSM
2 stops17h 54m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/82:19 pm
DSM
- SEA
1 stop20h 58m
Frontier
Tue 7/147:06 pm
SEA
- DSM
1 stop16h 28m
Frontier
Deal found 6/13![Frontier logo]()
$412
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/86:33 pm
DSM
- SEA
1 stop8h 19m
American Airlines
Wed 7/1511:22 pm
SEA
- DSM
1 stop7h 49m
American Airlines
Deal found 6/10![American Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/222:19 pm
DSM
- SEA
1 stop20h 58m
Multiple Airlines
Tue 8/411:54 am
SEA
- DSM
2 stops23h 05m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 6/8. 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.
Wed 7/223:45 pm
DSM
- SEA
2 stops11h 00m
Southwest
Wed 7/296:30 am
SEA
- DSM
1 stop9h 50m
Southwest
Deal found 6/8![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 7/256:55 pm
DSM
- SEA
1 stop7h 20m
Southwest
Wed 7/295:40 am
SEA
- DSM
2 stops10h 40m
Southwest
Deal found 6/11![Southwest logo]()
$408
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 June 13, 2026.
Search for one-way flight options from Des Moines to Seattle. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:40 pm
DSM
- SEA
1 stop6h 25m
Southwest
Deal found 6/8![Southwest logo]()
$122
This Southwest deal was found by Cheapflights users on 6/8. 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.
Wed 8/262:40 pm
DSM
- SEA
1 stop10h 55m
Southwest
Deal found 6/8![Southwest logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/1310:01 pm
DSM
- SEA
1 stop14h 38m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$133
This Booking.com deal was found by Cheapflights users on 6/11. 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 7/82:19 pm
DSM
- SEA
1 stop20h 58m
Frontier
Deal found 6/11![Frontier logo]()
$141
This Delta deal was found by Cheapflights users on 6/8. 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 8/265:56 pm
DSM
- SEA
1 stop6h 04m
Delta
Deal found 6/8![Delta logo]()
$144
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 8/83:05 pm
DSM
- SEA
1 stop9h 50m
Southwest
Deal found 6/10![Southwest logo]()
$146
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:05 pm
DSM
- SEA
2 stops11h 05m
Southwest
Deal found 6/11![Southwest logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/2710:01 pm
DSM
- SEA
1 stop14h 38m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$160
This Booking.com deal was found by Cheapflights users on 6/10. 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.
Mon 7/62:19 pm
DSM
- SEA
1 stop20h 58m
Frontier
Deal found 6/10![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/122:19 pm
DSM
- SEA
2 stops22h 49m
Frontier
Deal found 6/10![Frontier logo]()
$167
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 June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $405 (Kiwi.com) |
One-way from | $122 (Southwest) |
Popular in | June |
Cheapest in | October |
Average price | $541 |
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 June 13, 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
Fri 10/2
5:45 am-10:01 am
1 stop6h 16m
Seattle/Tacoma Intl
Mon 10/12
11:13 pm-10:31 am
1 stop9h 18m
$406
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Wed 10/7
7:50 pm-11:59 pm
1 stop6h 09m
Seattle/Tacoma Intl
Mon 10/12
9:20 pm-10:18 am
1 stop10h 58m
$410
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Thu 10/22
5:35 am-1:35 pm
2 stops10h 00m
Seattle/Tacoma Intl
Sun 10/25
12:15 am-11:20 am
1 stop9h 05m
$416
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Mon 8/31
11:32 am-9:51 pm
2 stops12h 19m
Seattle/Tacoma Intl
Tue 9/1
11:59 pm-2:16 pm
2 stops12h 17m
$417
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Tue 9/1
5:45 am-3:39 pm
2 stops11h 54m
Seattle/Tacoma Intl
Wed 9/2
7:35 pm-10:26 am
2 stops12h 51m
$417
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Wed 10/7
12:05 pm-9:10 pm
2 stops11h 05m
Seattle/Tacoma Intl
Sat 10/10
7:35 am-7:40 pm
2 stops10h 05m
$429
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Tue 9/1
8:00 am-7:08 pm
2 stops13h 08m
Seattle/Tacoma Intl
Fri 9/4
11:59 pm-2:16 pm
2 stops12h 17m
$447
Quickest round-trip
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Mon 8/31
5:45 am-10:01 am
1 stop6h 16m
Seattle/Tacoma Intl
Wed 9/2
8:40 am-4:19 pm
1 stop5h 39m
$451
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Wed 9/23
1:35 pm-5:42 pm
1 stop6h 07m
Seattle/Tacoma Intl
Tue 9/29
10:55 am-11:59 pm
2 stops11h 04m
$468
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Thu 7/30
4:40 pm-12:35 am
1 stop9h 55m
Seattle/Tacoma Intl
Fri 8/7
7:00 am-3:10 pm
1 stop6h 10m
$487
Showing 1-10 of 19 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 June.
| 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, October is the cheapest month in which you can book a flight from Des Moines to Seattle (average of $399). Flying from Des Moines to Seattle in June is currently the most expensive (average of $541). 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?
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.
Chicago (ORD) – chosen by Cheapflights users on 50% 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 $311.
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 Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 50m.
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 June 13, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, 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.
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
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
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline
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Des Moines and Seattle flights
Browse other Des Moines and Seattle flight options. Last updated on June 13, 2026.
Other flights from Des Moines
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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 June 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$277 | Average$458 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$300 | Average$464 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$336 | Average$486 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$406 | Average$504 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$502 | Average$625 | FlexibilityNo cancel fee | On-time75% |