$130+ Cheap flights from Seattle to Des Moines (SEA - DSM)
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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DSM
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Des Moines with Cheapflights
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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
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Best
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One-way
Cheapest flights from Seattle to Des MoinesExplore the most affordable flight options available from Seattle to Des Moines. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Seattle to Des Moines. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:16 pm
SEA
- DSM
1 stop14h 36m
Multiple Airlines
Fri 10/3010:00 pm
DSM
- SEA
1 stop15h 31m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$210
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 9/239:16 pm
SEA
- DSM
1 stop21h 50m
Multiple Airlines
Mon 9/289:31 pm
DSM
- SEA
1 stop14h 29m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:16 pm
SEA
- DSM
1 stop11h 41m
Multiple Airlines
Mon 10/121:47 pm
DSM
- SEA
1 stop22h 13m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/209:29 pm
SEA
- DSM
1 stop19h 19m
Multiple Airlines
Fri 8/282:19 pm
DSM
- SEA
1 stop21h 00m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:16 pm
SEA
- DSM
1 stop21h 50m
Multiple Airlines
Fri 9/112:51 pm
DSM
- SEA
1 stop11h 36m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/179:16 pm
SEA
- DSM
1 stop20h 32m
Multiple Airlines
Sun 9/209:56 pm
DSM
- SEA
1 stop14h 04m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$275
This CheapOair deal was found by Cheapflights users on 7/22. 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 9/247:41 pm
SEA
- DSM
1 stop16h 15m
Frontier
Fri 10/232:31 pm
DSM
- SEA
1 stop21h 20m
Frontier
Deal found 7/22![Frontier logo]()
$282
This CheapOair deal was found by Cheapflights users on 7/19. 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 9/177:41 pm
SEA
- DSM
1 stop16h 15m
Frontier
Mon 9/212:51 pm
DSM
- SEA
1 stop11h 36m
Frontier
Deal found 7/19![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/247:00 am
SEA
- DSM
1 stop28h 56m
Multiple Airlines
Sun 9/279:56 pm
DSM
- SEA
1 stop14h 04m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$308
Best flights from Seattle to Des MoinesDiscover carefully curated flight deals from Seattle to Des Moines that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Seattle to Des Moines that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. 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 11/265:00 am
SEA
- DSM
1 stop5h 30m
United Airlines
Thu 11/265:11 pm
DSM
- SEA
2 stops9h 50m
United Airlines
Deal found 7/21![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 7/21. 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 10/275:50 am
SEA
- DSM
2 stops10h 00m
Southwest
Fri 10/306:20 am
DSM
- SEA
2 stops9h 10m
Southwest
Deal found 7/21![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 7/22. 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 8/195:55 am
SEA
- DSM
2 stops9h 50m
Southwest
Wed 8/267:15 am
DSM
- SEA
2 stops9h 55m
Southwest
Deal found 7/22![Southwest logo]()
$371
This United Airlines deal was found by Cheapflights users on 7/22. 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 10/710:55 am
SEA
- DSM
2 stops10h 53m
United Airlines
Thu 10/156:00 am
DSM
- SEA
1 stop10h 53m
United Airlines
Deal found 7/22![United Airlines logo]()
$442
This Southwest deal was found by Cheapflights users on 7/21. 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 10/228:05 am
SEA
- DSM
1 stop8h 25m
Southwest
Sun 10/257:20 pm
DSM
- SEA
1 stop5h 40m
Southwest
Deal found 7/21![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/162:34 pm
SEA
- DSM
1 stop6h 59m
United Airlines
Tue 9/2211:32 am
DSM
- SEA
2 stops11h 59m
United Airlines
Deal found 7/21![United Airlines logo]()
$442
This Southwest deal was found by Cheapflights users on 7/21. 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.
Fri 8/1411:05 pm
SEA
- DSM
1 stop10h 25m
Southwest
Tue 8/186:40 pm
DSM
- SEA
1 stop6h 25m
Southwest
Deal found 7/21![Southwest logo]()
$448
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:34 pm
SEA
- DSM
1 stop6h 59m
United Airlines
Sat 9/266:00 am
DSM
- SEA
1 stop8h 48m
United Airlines
Deal found 7/18![United Airlines logo]()
$463
This Southwest deal was found by Cheapflights users on 7/19. 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.
Mon 8/179:45 am
SEA
- DSM
2 stops9h 30m
Southwest
Mon 8/2412:05 pm
DSM
- SEA
2 stops11h 10m
Southwest
Deal found 7/19![Southwest logo]()
$451
This Southwest deal was found by Cheapflights users on 7/20. 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.
Mon 8/179:45 am
SEA
- DSM
2 stops9h 30m
Southwest
Thu 8/202:25 pm
DSM
- SEA
1 stop10h 30m
Southwest
Deal found 7/20![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 7/21. 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.
Fri 11/206:45 am
SEA
- DSM
2 stops9h 50m
Southwest
Sun 11/226:40 am
DSM
- SEA
1 stop6h 00m
Southwest
Deal found 7/21![Southwest logo]()
$462
Last-minute flights from Seattle to Des MoinesDiscover last-minute flight deals from Seattle to Des Moines. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Des Moines. Data last updated July 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:06 pm
SEA
- DSM
1 stop16h 28m
Multiple Airlines
Fri 8/1410:06 pm
DSM
- SEA
1 stop14h 58m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/128:13 pm
SEA
- DSM
1 stop22h 41m
Multiple Airlines
Mon 8/1710:06 pm
DSM
- SEA
1 stop14h 33m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:06 pm
SEA
- DSM
1 stop16h 28m
Multiple Airlines
Sun 8/169:44 pm
DSM
- SEA
1 stop15h 20m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/192:37 pm
SEA
- DSM
2 stops20h 28m
Multiple Airlines
Fri 8/217:38 pm
DSM
- SEA
1 stop17h 01m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 7/22. 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 8/196:25 am
SEA
- DSM
1 stop9h 20m
Southwest
Wed 8/266:40 pm
DSM
- SEA
1 stop6h 25m
Southwest
Deal found 7/22![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 7/22. 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 8/196:40 am
SEA
- DSM
1 stop5h 15m
Southwest
Wed 8/196:40 pm
DSM
- SEA
1 stop6h 25m
Southwest
Deal found 7/22![Southwest logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/209:29 pm
SEA
- DSM
1 stop19h 19m
Multiple Airlines
Fri 8/282:19 pm
DSM
- SEA
1 stop21h 00m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$262
One-way flights from Seattle to Des MoinesSearch for one-way flight options from Seattle to Des Moines. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Seattle to Des Moines. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/37:07 pm
SEA
- DSM
1 stop16h 27m
Frontier
Deal found 7/19![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:41 pm
SEA
- DSM
1 stop16h 15m
Frontier
Deal found 7/20![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/107:00 pm
SEA
- DSM
1 stop23h 41m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$132
This Mytrip deal was found by Cheapflights users on 7/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:06 pm
SEA
- DSM
1 stop16h 28m
Frontier
Deal found 7/21![Frontier logo]()
$134
This CheapOair deal was found by Cheapflights users on 7/19. 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.
Sun 8/307:06 pm
SEA
- DSM
1 stop16h 28m
Frontier
Deal found 7/19![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/1011:06 am
SEA
- DSM
2 stops24h 50m
Frontier
Deal found 7/22![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:06 pm
SEA
- DSM
2 stops39h 59m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/192:37 pm
SEA
- DSM
2 stops20h 28m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:29 pm
SEA
- DSM
1 stop20h 19m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$172
This Southwest deal was found by Cheapflights users on 7/22. 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 8/196:25 am
SEA
- DSM
1 stop9h 20m
Southwest
Deal found 7/22![Southwest logo]()
$174
Find flight deals from Seattle to Des Moines
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Des Moines (DSM). 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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Kiwi.com) |
One-way from | $130 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $526 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Des Moines 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 23, 2026.
Use the filters below to find and compare flights from Seattle to Des Moines that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Thu 11/26
5:00 am-12:30 pm
1 stop5h 30m
Des Moines
Thu 11/26
5:11 pm-1:01 am
2 stops9h 50m
$352
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Tue 10/27
5:50 am-5:50 pm
2 stops10h 00m
Des Moines
Fri 10/30
6:20 am-1:30 pm
2 stops9h 10m
$362
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Wed 8/19
5:55 am-5:45 pm
2 stops9h 50m
Des Moines
Wed 8/26
7:15 am-3:10 pm
2 stops9h 55m
$371
Quickest round-trip
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Thu 10/22
8:05 am-6:30 pm
1 stop8h 25m
Des Moines
Sun 10/25
7:20 pm-11:00 pm
1 stop5h 40m
$402
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Wed 10/7
10:55 am-11:48 pm
2 stops10h 53m
Des Moines
Thu 10/15
6:00 am-2:53 pm
1 stop10h 53m
$442
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Wed 9/16
2:34 pm-11:33 pm
1 stop6h 59m
Des Moines
Tue 9/22
11:32 am-9:31 pm
2 stops11h 59m
$442
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Fri 8/14
11:05 pm-11:30 am
1 stop10h 25m
Des Moines
Tue 8/18
6:40 pm-11:05 pm
1 stop6h 25m
$448
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Mon 8/17
9:45 am-9:15 pm
2 stops9h 30m
Des Moines
Mon 8/24
12:05 pm-9:15 pm
2 stops11h 10m
$451
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Mon 8/17
9:45 am-9:15 pm
2 stops9h 30m
Des Moines
Thu 8/20
2:25 pm-10:55 pm
1 stop10h 30m
$452
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Fri 11/20
6:45 am-6:35 pm
2 stops9h 50m
Des Moines
Sun 11/22
6:40 am-10:40 am
1 stop6h 00m
$462
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Seattle to Des Moines
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Des Moines in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Des Moines flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Des Moines flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Des Moines flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Des Moines flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Des Moines flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Des Moines
Have a flexible travel schedule? Discover the best time to fly to Des Moines from Seattle with our price prediction graph.
SEA-DSM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Des Moines
How far ahead should I book a flight from Seattle to Des Moines?
The best time to book flights from Seattle to Des Moines is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Seattle to Des Moines?
Currently, October is the cheapest month in which you can book a flight from Seattle to Des Moines (average of $380). Flying from Seattle to Des Moines in December is currently the most expensive (average of $645). 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 Seattle to Des Moines?
Airfare is below average for this route at the moment.
Seattle to Des Moines flights typically cost between $416 and $577 in October.The cheapest round-trip price found within the last 5 days was $210 on Multiple Airlines (Oct 27-Oct 30).
Reviews of airlines servicing Des Moines
Get insights into the airlines that provide service to Des Moines. 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 Des Moines. Reviews last updated July 23, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Seattle to Des Moines to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Seattle to Des Moines. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Book flights to Des Moines if you plan to visit one of these locationsAltoona
Ames
Clive
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Boone
West Des Moines
Ankeny
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Top 6 airlines flying from Seattle to Des Moines
Discover the top 6 airlines that operate flights from Seattle to Des Moines. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$292 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$294 | Average$599 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$296 | Average$500 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$342 | Average$492 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$362 | Average$531 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$384 | Average$447 | FlexibilityNo cancel fee | On-time63% |