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Des Moines

$117+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DSM
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Des Moines are usually found in January or April, booked 12 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap 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 25, 2025.

Round-trip from

$235
(FlightHub)

One-way from

$117
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$471
From Seattle/Tacoma Intl to Des Moines
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One-way flight from Seattle/Tacoma Intl to Des Moines
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Highest demand for flights based on searches. 3% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Seattle to Des Moines

Cheapest flights from Seattle to Des Moines
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 25, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3012:40 pmSEA - DSM
1 stop23h 43mFrontier
Mon 9/82:25 pmDSM - SEA
1 stop12h 05mFrontier
Deal found 7/23$235
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amSEA - DSM
1 stop8h 51mDelta
Tue 10/142:37 pmDSM - SEA
1 stop7h 55mDelta
Deal found 7/24$299
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:15 amSEA - DSM
1 stop7h 25mSouthwest
Mon 8/255:30 pmDSM - SEA
2 stops8h 35mSouthwest
Deal found 7/23$304
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:30 pmSEA - DSM
1 stop7h 28mAmerican Airlines
Wed 8/275:30 amDSM - SEA
1 stop6h 55mAmerican Airlines
Deal found 7/24$313
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:59 amSEA - DSM
1 stop6h 47mMultiple Airlines
Sun 9/212:25 pmDSM - SEA
1 stop12h 05mMultiple Airlines
Deal found 7/23$338
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.
Sat 8/308:45 amSEA - DSM
1 stop5h 28mUnited Airlines
Sat 9/66:00 amDSM - SEA
2 stops9h 30mUnited Airlines
Deal found 7/22$354

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 25, 2025.
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

Sat 8/30

12:40 pm-2:23 pm

1 stop23h 43m

Des Moines

Mon 9/8

2:25 pm-12:30 am

1 stop12h 05m

$235

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Tue 10/7

6:00 am-4:51 pm

1 stop8h 51m

Des Moines

Tue 10/14

2:37 pm-8:32 pm

1 stop7h 55m

$299

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Wed 8/20

5:15 am-2:40 pm

1 stop7h 25m

Des Moines

Mon 8/25

5:30 pm-12:05 am

2 stops8h 35m

$304

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Thu 8/21

11:30 pm-8:58 am

1 stop7h 28m

Des Moines

Wed 8/27

5:30 am-10:25 am

1 stop6h 55m

$313

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Tue 9/16

12:59 am-9:46 am

1 stop6h 47m

Des Moines

Sun 9/21

2:25 pm-12:30 am

1 stop12h 05m

$338

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Sat 8/30

8:45 am-4:13 pm

1 stop5h 28m

Des Moines

Sat 9/6

6:00 am-1:30 pm

2 stops9h 30m

$354

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Sat 8/30

12:40 pm-2:23 pm

1 stop23h 43m

$117

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Sat 8/30

11:55 pm-10:07 am

1 stop8h 12m

$150

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Wed 9/24

11:10 pm-11:05 am

2 stops9h 55m

$155

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Sat 8/16

5:25 am-3:01 pm

1 stop7h 36m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 13 results
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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 July 18, 2025.

The best time to book flights from Seattle to Des Moines is 12 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, August is the cheapest month in which you can book a flight from Seattle to Des Moines (average of $336). Flying from Seattle to Des Moines in June is currently the most expensive (average of $401). 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.

What is the cheapest time of day to fly from SEA to DSM?

Find hourly flight availability from Seattle to Des Moines. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2025.

One of the essential ways to save on airfare from Seattle to Des Moines is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 20% on airfare.

What is the cheapest day to fly from Seattle to Des Moines?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Des Moines. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Des Moines flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 25, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,235 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,967 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,880 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • What are the cheapest airlines flying from Seattle to Des Moines round-trip?

    Frontier, at $235, was found to be the cheapest airline from Seattle to Des Moines.Alternate airlines to your destination round-trip include Delta and Southwest. Frontier is priced at 47% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Des Moines one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $117. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from Seattle to Des Moines for a low price.

  • Can I find deals for flights from Seattle to Des Moines that include hotel bookings?

    Yes. In addition to deals on Seattle to Des Moines flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Des Moines?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Des Moines.

  • Can I find deals for business class flights from Seattle to Des Moines?

    Yes. Cheapflights offers flight deals from Seattle to Des Moines by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Des Moines?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Des Moines (average of $336). Flying from Seattle to Des Moines in June is currently the most expensive (average of $401). 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.

See more FAQs

Traveling to a place near Des Moines?

Book flights to Des Moines if you plan to visit one of these locations
Altoona
Ames
Johnston
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 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$115Average$207FlexibilityNo cancel feeOn-time62%
DeltaCheapest$168Average$426FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$272Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$331Average$481FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$334Average$471FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$433Average$606FlexibilityNo cancel feeOn-time75%

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