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Cheap flights from Seattle to Des Moines from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Des Moines departing on 12/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Des Moines

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:25 pm - 7:44 pmSEA-DSM
28h 19m1 stop
Multiple Airlines Logo
12:46 pm - 1:41 pmDSM-SEA
26h 55m1 stop
$275Multiple Airlines
Find Deal
Thu, Dec 25 - Mon, Jan 5
Multiple Airlines Logo
6:00 am - 11:30 amSEA-DSM
27h 30m2 stops
Multiple Airlines Logo
12:46 pm - 1:41 pmDSM-SEA
26h 55m1 stop
$314Multiple Airlines
Find Deal
Thu, Dec 25 - Mon, Jan 5
Delta Logo
11:40 am - 10:33 pmSEA-DSM
8h 53m1 stop
Delta Logo
6:50 am - 12:58 pmDSM-SEA
8h 08m1 stop
$347Delta
Find Deal
Mon, Nov 24 - Wed, Dec 3
Delta Logo
11:55 pm - 10:20 amSEA-DSM
8h 25m1 stop
Delta Logo
6:50 am - 10:54 amDSM-SEA
6h 04m1 stop
$350Delta
Find Deal
Mon, Nov 24 - Tue, Dec 2
United Airlines Logo
3:30 pm - 11:44 pmSEA-DSM
6h 14m1 stop
United Airlines Logo
1:35 pm - 6:26 pmDSM-SEA
6h 51m1 stop
$368United Airlines
Find Deal
Mon, Jan 26 - Wed, Jan 28
United Airlines Logo
12:25 pm - 8:34 pmSEA-DSM
6h 09m1 stop
United Airlines Logo
5:09 pm - 9:15 pmDSM-SEA
6h 06m1 stop
$385United Airlines
Find Deal
Mon, Jan 26 - Thu, Jan 29
Southwest Logo
9:55 am - 7:20 pmSEA-DSM
7h 25m1 stop
Southwest Logo
12:05 pm - 9:50 pmDSM-SEA
11h 45m2 stops
$390Southwest
Find Deal
Mon, Jan 26 - Thu, Jan 29
Southwest Logo
9:55 am - 9:10 pmSEA-DSM
9h 15m2 stops
Southwest Logo
12:05 pm - 8:20 pmDSM-SEA
10h 15m2 stops
$395Southwest
Find Deal
Mon, Jan 26 - Thu, Jan 29
American Airlines Logo
12:38 am - 11:42 amSEA-DSM
9h 04m1 stop
American Airlines Logo
6:00 pm - 11:38 pmDSM-SEA
7h 38m1 stop
$406American Airlines
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Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
11:59 pm - 10:40 amSEA-DSM
8h 41m1 stop
American Airlines Logo
6:00 pm - 11:38 pmDSM-SEA
7h 38m1 stop
$414American Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8

Delta flights from Seattle to Des Moines

Our best Delta deals on Seattle to Des Moines flight tickets
Delta
Nov 24
SEA11:40 amSeattle/Tacoma Intl
8h 53m
1 stop
DSM10:33 pmDes Moines
Dec 3
DSM6:50 amDes Moines
8h 08m
1 stop
SEA12:58 pmSeattle/Tacoma Intl
$347
Find similar
Delta
Nov 24
SEA11:55 pmSeattle/Tacoma Intl
8h 25m
1 stop
DSM10:20 amDes Moines
Dec 2
DSM6:50 amDes Moines
6h 04m
1 stop
SEA10:54 amSeattle/Tacoma Intl
$350
Find similar
Delta
Mar 3
SEA12:00 pmSeattle/Tacoma Intl
7h 19m
1 stop
DSM9:19 pmDes Moines
Mar 4
DSM6:19 amDes Moines
10h 01m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
$351
Find similar

United Airlines flights from Seattle to Des Moines

Our best United Airlines deals on Seattle to Des Moines flight tickets
United Airlines
Jan 26
SEA3:30 pmSeattle/Tacoma Intl
6h 14m
1 stop
DSM11:44 pmDes Moines
Jan 28
DSM1:35 pmDes Moines
6h 51m
1 stop
SEA6:26 pmSeattle/Tacoma Intl
$368
Find similar
United Airlines
Jan 26
SEA12:25 pmSeattle/Tacoma Intl
6h 09m
1 stop
DSM8:34 pmDes Moines
Jan 29
DSM5:09 pmDes Moines
6h 06m
1 stop
SEA9:15 pmSeattle/Tacoma Intl
$385
Find similar
United Airlines
Dec 7
SEA5:00 amSeattle/Tacoma Intl
16h 44m
1 stop
DSM11:44 pmDes Moines
Dec 8
DSM5:15 pmDes Moines
32h 00m
2 stops
SEA11:15 pmSeattle/Tacoma Intl
$418
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 4, 2025.
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

Price

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Thu 12/25

1:25 pm-7:44 pm

1 stop28h 19m

Des Moines

Mon 1/5

12:46 pm-1:41 pm

1 stop26h 55m

$275

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Thu 12/25

6:00 am-11:30 am

2 stops27h 30m

Des Moines

Mon 1/5

12:46 pm-1:41 pm

1 stop26h 55m

$314

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Mon 11/24

11:40 am-10:33 pm

1 stop8h 53m

Des Moines

Wed 12/3

6:50 am-12:58 pm

1 stop8h 08m

$347

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Mon 11/24

11:55 pm-10:20 am

1 stop8h 25m

Des Moines

Tue 12/2

6:50 am-10:54 am

1 stop6h 04m

$350

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Mon 1/26

3:30 pm-11:44 pm

1 stop6h 14m

Des Moines

Wed 1/28

1:35 pm-6:26 pm

1 stop6h 51m

$368

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Mon 1/26

12:25 pm-8:34 pm

1 stop6h 09m

Des Moines

Thu 1/29

5:09 pm-9:15 pm

1 stop6h 06m

$385

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Mon 1/26

9:55 am-7:20 pm

1 stop7h 25m

Des Moines

Thu 1/29

12:05 pm-9:50 pm

2 stops11h 45m

$390

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Mon 1/26

9:55 am-9:10 pm

2 stops9h 15m

Des Moines

Thu 1/29

12:05 pm-8:20 pm

2 stops10h 15m

$395

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Thu 12/4

12:38 am-11:42 am

1 stop9h 04m

Des Moines

Mon 12/8

6:00 pm-11:38 pm

1 stop7h 38m

$406

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Mon 12/1

11:59 pm-10:40 am

1 stop8h 41m

Des Moines

Mon 12/8

6:00 pm-11:38 pm

1 stop7h 38m

$414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Des Moines from

How to get the cheapest flight ticket from Seattle to Des Moines

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Des Moines?

If you’re not able to fly to Des Moines in October, then January is your next best option. Flight prices from Seattle to Des Moines during January average around $398.

What is the cheapest day to depart on your flight to Des Moines?

The cheapest day to depart from Seattle to Des Moines is on a Wednesday. Travelers who choose to depart for Des Moines on a Wednesday will often find tickets for as low as $441. Flights from Seattle to Des Moines on a Sunday will generally be more expensive and average around $645. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Des Moines?

According to our data, the cheapest time of day to fly to Des Moines is in the evening. momondo users have found flights departing from Seattle to Des Moines in the evening for as low as $421. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $520. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Des Moines?

You are more likely to see cheaper flights to Des Moines from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Des Moines for around $445 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Des Moines from Seattle for as low as $341 on momondo.

How have Seattle to Des Moines flight prices changed over time?

As of November 2025, prices for Seattle to Des Moines flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Des Moines

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Des Moines according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Des Moines (SEA to DSM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Des Moines

Direct flights

None
There are no direct flights from Seattle to Des Moines. There are no popular flight routes from Seattle to Des Moines.
Search flight deals

  • How far is Seattle/Tacoma Intl to Des Moines by plane?

    The distance between Seattle/Tacoma Intl and Des Moines is about 1462.1 mi. Flights usually cover this in 6h 08m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Des Moines Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Des Moines Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Des Moines Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Des Moines Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Des Moines Airport.

  • What documentation or ID do you need to fly to Des Moines Airport?

    The necessary travel and health documents for your Des Moines Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Des Moines?

Best airlines flying from Seattle to Des Moines

Compare and see reviews for airlines that fly from Seattle to Des Moines with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $119Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
DeltaPriceFrom $168Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $272Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
SouthwestPriceFrom $334Free CancellationRating
8.0
4,237 reviews
Search Southwest flights
United AirlinesPriceFrom $334Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $450Free CancellationRating
8.0
11,237 reviews
Search Alaska Airlines flights

Traveling to a place near Des Moines?

Book flights to Des Moines if you plan to visit one of these locations
West Des Moines
Ames
Ankeny
Altoona
Urbandale
Clive
Newton
Pella
Johnston
Osceola
Boone
Norwalk
Grinnell
Oskaloosa
Carlisle

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Des Moines?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Des Moines for you.

Can I find flights from Seattle to Des Moines with flexible booking policies on momondo?

Yes. All flights to Des Moines from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Des Moines?

Once all potential Seattle to Des Moines flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Des Moines right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Des Moines flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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