$134+ Cheap flights from Des Moines to Seattle (DSM - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — SEA
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Des Moines 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.Cheap flight deals from Des Moines to Seattle
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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 September 10, 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 September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/198:25 pm -
1 stop20h 47m
Sun 10/254:27 pm -
1 stop25h 03m
Deal found 9/5![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/196:25 am -
2 stops34h 47m
Sun 10/254:27 pm -
1 stop25h 03m
Deal found 9/5![Multiple Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 9/8. 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.
Tue 10/207:51 pm -
1 stop6h 08m
Tue 10/2711:25 am -
1 stop7h 15m
Deal found 9/8![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:45 am -
1 stop6h 16m
Sat 10/1012:16 pm -
2 stops9h 36m
Deal found 9/8![United Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/51:02 pm -
1 stop22h 40m
Fri 10/94:27 pm -
2 stops44h 15m
Deal found 9/9![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 -
1 stop20h 16m
Mon 10/129:16 pm -
2 stops39h 21m
Deal found 9/5![Multiple Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:45 am -
2 stops8h 33m
Tue 10/135:00 am -
1 stop5h 31m
Deal found 9/8![United Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/108:35 pm -
2 stops24h 02m
Wed 12/165:25 pm -
1 stop24h 14m
Deal found 9/10![Frontier logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 -
1 stop20h 16m
Sun 10/114:27 pm -
1 stop25h 03m
Deal found 9/7![Multiple Airlines logo]()
$364
This Booking.com deal was found by Cheapflights users on 9/6. 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.
Thu 9/1011:29 am -
1 stop5h 39m
Sat 9/124:27 pm -
1 stop16h 17m
Deal found 9/6![Frontier logo]()
$366
This CheapOair deal was found by Cheapflights users on 9/6. 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 -
1 stop5h 39m
Sun 9/274:27 pm -
1 stop25h 06m
Deal found 9/6![Frontier logo]()
$370
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 September 10, 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 September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/4. 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 10/172:30 pm -
1 stop9h 55m
Sat 10/246:30 am -
2 stops11h 25m
Deal found 9/4![Southwest logo]()
$388
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/176:14 am -
1 stop10h 38m
Sat 10/2412:25 am -
1 stop6h 50m
Deal found 9/4![American Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 9/305:22 pm -
2 stops9h 53m
Wed 10/75:00 am -
1 stop5h 31m
Deal found 9/9![United Airlines logo]()
$450
This Southwest deal was found by Cheapflights users on 9/6. 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 10/213:00 pm -
2 stops9h 40m
Tue 10/278:45 am -
2 stops9h 55m
Deal found 9/6![Southwest logo]()
$393
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/201:27 pm -
2 stops9h 34m
Tue 10/278:30 am -
2 stops11h 25m
Deal found 9/9![United Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/79:15 am -
2 stops12h 14m
Wed 10/141:19 pm -
2 stops8h 29m
Deal found 9/9![United Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 10/45:45 am -
1 stop6h 16m
Mon 10/55:00 am -
1 stop5h 31m
Deal found 9/6![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:27 am -
2 stops13h 59m
Mon 10/197:25 pm -
2 stops13h 06m
Deal found 9/8![United Airlines logo]()
$480
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/53:11 pm -
1 stop9h 42m
Wed 10/73:55 pm -
1 stop5h 53m
Deal found 9/4![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/35:22 pm -
1 stop5h 53m
Sat 10/101:22 pm -
2 stops8h 30m
Deal found 9/5![United Airlines logo]()
$512
Last-minute flights from Des Moines to SeattleDiscover last-minute flight deals from Des Moines to Seattle. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Des Moines to Seattle. Data last updated September 10, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/6. 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.
Thu 9/1011:29 am -
1 stop5h 39m
Sat 9/124:27 pm -
1 stop16h 17m
Deal found 9/6![Frontier logo]()
$366
This CheapOair deal was found by Cheapflights users on 9/6. 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 -
1 stop5h 39m
Sun 9/274:27 pm -
1 stop25h 06m
Deal found 9/6![Frontier logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/51:02 pm -
1 stop22h 40m
Fri 10/94:27 pm -
2 stops44h 15m
Deal found 9/9![Multiple Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:45 am -
2 stops8h 33m
Tue 10/135:00 am -
1 stop5h 31m
Deal found 9/8![United Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:45 am -
1 stop6h 16m
Sat 10/1012:16 pm -
2 stops9h 36m
Deal found 9/8![United Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 -
1 stop20h 16m
Mon 10/129:16 pm -
2 stops39h 21m
Deal found 9/5![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 -
1 stop20h 16m
Sun 10/114:27 pm -
1 stop25h 03m
Deal found 9/7![Multiple Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:45 am -
1 stop6h 16m
Mon 10/191:56 pm -
1 stop7h 39m
Deal found 9/8![United Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/198:25 pm -
1 stop20h 47m
Sun 10/254:27 pm -
1 stop25h 03m
Deal found 9/5![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/196:25 am -
2 stops34h 47m
Sun 10/254:27 pm -
1 stop25h 03m
Deal found 9/5![Multiple Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 9/8. 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.
Tue 10/207:51 pm -
1 stop6h 08m
Tue 10/2711:25 am -
1 stop7h 15m
Deal found 9/8![Delta logo]()
$355
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 September 10, 2026.
Search for one-way flight options from Des Moines to Seattle. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:25 pm -
1 stop20h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/138:30 pm -
2 stops24h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/121:47 pm -
2 stops30h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$160
This Booking.com deal was found by Cheapflights users on 9/6. 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 10/28:30 pm -
1 stop20h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$162
This Booking.com deal was found by Cheapflights users on 9/7. 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.
Thu 9/1711:29 am -
1 stop5h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$170
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:45 am -
1 stop6h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$173
This Booking.com deal was found by Cheapflights users on 9/6. 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 9/148:30 pm -
1 stop20h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$176
This Booking.com deal was found by Cheapflights users on 9/4. 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 10/98:25 pm -
1 stop20h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$177
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:14 pm -
1 stop7h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$178
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $220 (Kiwi.com) |
One-way from | $134 (Booking.com) |
Popular in | June |
Cheapest in | September |
Average price | $402 |
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 7,457,451 searches. Data last updated September 10, 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 Des Moines - SEA Seattle/Tacoma Intl
DSMSEA
Des Moines
Sat 10/24
4:07 pm-11:52 pm
1 stop9h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$178
Des MoinesSeattle
DSM Des Moines - SEA Seattle/Tacoma Intl
DSMSEA
Des Moines
Sat 11/21
11:23 am-7:03 pm
1 stop9h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$202
Quickest round-trip
Des MoinesSeattle
DSM Des Moines - SEA Seattle/Tacoma Intl
DSMSEA
Des Moines
Sat 10/3
5:45 am-10:01 am
1 stop6h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$211
Des MoinesSeattle
DSM Des Moines - SEA Seattle/Tacoma Intl
DSMSEA
Des Moines
Thu 10/22
6:55 am-12:30 pm
1 stop7h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$216
Des MoinesSeattle
DSM Des Moines - SEA Seattle/Tacoma Intl
DSMSEA
Des Moines
Thu 10/8
7:31 pm-12:36 am
1 stop7h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$229
Des MoinesSeattle
DSM Des Moines - SEA Seattle/Tacoma Intl
DSMSEA
Des Moines
Sun 10/11
5:06 am-11:03 am
1 stop7h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$229
Des MoinesSeattle
DSM Des Moines - SEA Seattle/Tacoma Intl
DSMSEA
Des Moines
Fri 11/20
2:48 pm-8:46 pm
1 stop7h 58m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$229
Des MoinesSeattle
DSM Des Moines - SEA Seattle/Tacoma Intl
DSMSEA
Des Moines
Fri 11/20
12:10 pm-8:05 pm
2 stops9h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$254
Des MoinesSeattle
DSM Des Moines - SEA Seattle/Tacoma Intl
DSMSEA
Des Moines
Sat 10/17
2:30 pm-10:25 pm
1 stop9h 55m
Seattle/Tacoma Intl
Sat 10/24
6:30 am-7:55 pm
2 stops11h 25m
$388
Des MoinesSeattle
DSM Des Moines - SEA Seattle/Tacoma Intl
DSMSEA
Des Moines
Wed 10/21
3:00 pm-10:40 pm
2 stops9h 40m
Seattle/Tacoma Intl
Tue 10/27
8:45 am-8:40 pm
2 stops9h 55m
$393
Showing 1-10 of 18 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 September.
| 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 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
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 $402). 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 $354 and $507 in October.The cheapest round-trip price found within the last 5 days was $220 on Frontier (Oct 19-Oct 25).
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated September 10, 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Des Moines and Seattle flights
Browse other Des Moines and Seattle flight options. Last updated on September 10, 2026.
Other flights from Des Moines
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Top 5 airlines flying from Des Moines to Seattle
Discover the top 5 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$312 | Average$499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$340 | Average$484 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$346 | Average$502 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$349 | Average$526 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$502 | Average$639 | FlexibilityNo cancel fee | On-time75% |