$134+ Cheap flights from Seattle to Des Moines (SEA - DSM)
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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DSM
Feb 20 — Feb 271
1 adult, Economy
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Find cheap flights from Seattle to Des Moines 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 Seattle to Des Moines
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 January 21, 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 January 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/191:16 pm
SEA
- DSM
1 stop27h 03m
Frontier
Thu 2/267:27 pm
DSM
- SEA
1 stop17h 28m
Frontier
Deal found 1/20![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/2212:00 pm
SEA
- DSM
1 stop28h 32m
Frontier
Thu 2/267:27 pm
DSM
- SEA
1 stop17h 28m
Frontier
Deal found 1/20![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Sat 2/281:16 pm
SEA
- DSM
1 stop27h 26m
Frontier
Mon 3/98:21 pm
DSM
- SEA
2 stops22h 48m
Frontier
Deal found 1/20![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 2/59:25 pm
SEA
- DSM
1 stop16h 15m
Multiple Airlines
Sun 2/157:27 pm
DSM
- SEA
2 stops26h 32m
Multiple Airlines
Deal found 1/19![Multiple Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:15 am
SEA
- DSM
1 stop13h 04m
American Airlines
Wed 2/251:38 pm
DSM
- SEA
1 stop12h 46m
American Airlines
Deal found 1/20![American Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:04 am
SEA
- DSM
1 stop11h 03m
American Airlines
Mon 2/161:38 pm
DSM
- SEA
1 stop12h 46m
American Airlines
Deal found 1/20![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2212:07 am
SEA
- DSM
1 stop10h 58m
American Airlines
Thu 2/261:38 pm
DSM
- SEA
1 stop11h 26m
American Airlines
Deal found 1/20![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:04 am
SEA
- DSM
1 stop9h 58m
American Airlines
Sun 2/151:38 pm
DSM
- SEA
1 stop12h 46m
American Airlines
Deal found 1/19![American Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 1/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2212:07 am
SEA
- DSM
1 stop10h 58m
American Airlines
Wed 2/251:38 pm
DSM
- SEA
1 stop11h 26m
American Airlines
Deal found 1/18![American Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/189:19 am
SEA
- DSM
2 stops10h 22m
United Airlines
Wed 2/259:04 am
DSM
- SEA
1 stop6h 45m
United Airlines
Deal found 1/20![United Airlines logo]()
$356
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 January 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $134 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $476 |
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 January 21, 2026.
Use the filters below to find and compare flights from Seattle to Des Moines that are best for you.
Fly from
Seattle
Fly to
Des Moines
Route
Depart
Return
Price
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Thu 2/19
1:16 pm-6:19 pm
1 stop27h 03m
Des Moines
Thu 2/26
7:27 pm-10:55 am
1 stop17h 28m
$134
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Sun 2/22
12:00 pm-6:32 pm
1 stop28h 32m
Des Moines
Thu 2/26
7:27 pm-10:55 am
1 stop17h 28m
$183
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Wed 2/11
8:04 am-9:07 pm
1 stop11h 03m
Des Moines
Mon 2/16
1:38 pm-12:24 am
1 stop12h 46m
$330
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Tue 3/17
5:00 am-12:48 pm
1 stop5h 48m
Des Moines
Tue 3/24
1:30 pm-11:16 pm
2 stops11h 46m
$356
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Wed 2/18
9:19 am-9:41 pm
2 stops10h 22m
Des Moines
Wed 2/25
9:04 am-1:49 pm
1 stop6h 45m
$356
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Sat 2/28
9:35 am-10:25 pm
2 stops10h 50m
Des Moines
Tue 3/10
5:30 am-12:45 pm
1 stop9h 15m
$369
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Tue 4/7
8:25 am-5:55 pm
1 stop7h 30m
Des Moines
Mon 4/13
4:20 pm-12:40 am
2 stops10h 20m
$369
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Tue 4/28
5:30 am-5:55 pm
2 stops10h 25m
Des Moines
Sat 5/2
6:40 am-1:30 pm
2 stops8h 50m
$375
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Thu 3/5
2:35 pm-10:20 pm
1 stop5h 45m
Des Moines
Tue 3/10
6:40 am-3:45 pm
2 stops11h 05m
$382
SeattleDes Moines
SEA - DSM
SEADSM
Seattle/Tacoma Intl
Wed 2/11
8:04 am-8:02 pm
1 stop9h 58m
$167
Showing 1-10 of 18 results
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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 Expedia the most. Expedia 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.
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?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Des Moines. Price data was last updated on January 16, 2026.
The best time to book flights from Seattle to Des Moines is 50 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, April is the cheapest month in which you can book a flight from Seattle to Des Moines (average of $149). Flying from Seattle to Des Moines in January is currently the most expensive (average of $389). 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.
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 January 21, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Traveling to a place near Des Moines?
Book flights to Des Moines if you plan to visit one of these locationsAltoona
Johnston
Boone
Ames
Clive
West Des Moines
Ankeny
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Alternative routes for Seattle to Des Moines
See prices for flight routes from nearby airports that may be better suited for you.
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 January 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$167 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$421 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$324 | Average$447 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$334 | Average$489 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$450 | Average$616 | FlexibilityNo cancel fee | On-time75% |