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Cheap flights from Seattle to Des Moines from $134

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 8/6. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Des Moines

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:06 pm - 1:34 pm
SEA
-
DSM
16h 28m
1 stop
Frontier Logo
2:19 pm - 9:17 am
DSM
-
SEA
20h 58m
1 stop
$264Frontier
Tue, Jul 14 - Wed, Jul 22
Frontier Logo
7:06 pm - 1:34 pm
SEA
-
DSM
16h 28m
1 stop
Frontier Logo
2:19 pm - 9:17 am
DSM
-
SEA
20h 58m
1 stop
$300Frontier
Tue, Jul 7 - Fri, Jul 10
Multiple Airlines Logo
8:13 pm - 8:43 pm
SEA
-
DSM
22h 30m
1 stop
Multiple Airlines Logo
10:01 pm - 10:39 am
DSM
-
SEA
14h 38m
1 stop
$315Multiple Airlines
Wed, Jul 15 - Mon, Jul 20
Multiple Airlines Logo
8:53 pm - 9:11 pm
SEA
-
DSM
22h 18m
1 stop
Multiple Airlines Logo
10:01 pm - 10:39 am
DSM
-
SEA
14h 38m
1 stop
$335Multiple Airlines
Thu, Jul 16 - Mon, Jul 20
Frontier Logo
7:06 pm - 1:34 pm
SEA
-
DSM
16h 28m
1 stop
Frontier Logo
2:19 pm - 1:17 pm
DSM
-
SEA
24h 58m
1 stop
$338Frontier
Tue, Jul 28 - Fri, Aug 7
Frontier Logo
7:06 pm - 1:34 pm
SEA
-
DSM
16h 28m
1 stop
Frontier Logo
2:19 pm - 11:20 am
DSM
-
SEA
23h 01m
1 stop
$339Frontier
Tue, Jul 7 - Mon, Jul 13
Frontier Logo
7:06 pm - 1:34 pm
SEA
-
DSM
16h 28m
1 stop
Frontier Logo
2:19 pm - 9:17 am
DSM
-
SEA
20h 58m
1 stop
$340Frontier
Tue, Jul 7 - Fri, Jul 10
American Airlines Logo
7:00 am - 6:20 pm
SEA
-
DSM
9h 20m
1 stop
American Airlines Logo
4:48 pm - 12:57 am
DSM
-
SEA
10h 09m
1 stop
$347American Airlines
Tue, Jul 14 - Tue, Jul 21
Multiple Airlines Logo
8:13 pm - 8:43 pm
SEA
-
DSM
22h 30m
1 stop
Multiple Airlines Logo
10:01 pm - 9:17 am
DSM
-
SEA
13h 16m
2 stops
$349Multiple Airlines
Wed, Jul 15 - Mon, Jul 20
Southwest Logo
5:30 am - 4:10 pm
SEA
-
DSM
8h 40m
1 stop
Southwest Logo
7:20 am - 2:25 pm
DSM
-
SEA
9h 05m
2 stops
$352Southwest
Sat, Aug 15 - Sat, Aug 22

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United Airlines flights from Seattle to Des Moines

Our best United Airlines deals on Seattle to Des Moines flight tickets
United Airlines
Jul 14
SEA8:35 amSeattle/Tacoma Intl
9h 55m
2 stops
DSM8:30 pmDes Moines
Jul 21
DSM5:17 pmDes Moines
5h 53m
1 stop
SEA9:10 pmSeattle/Tacoma Intl
$430
United Airlines
Aug 25
SEA3:54 pmSeattle/Tacoma Intl
5h 50m
1 stop
DSM11:44 pmDes Moines
Aug 26
DSM5:21 pmDes Moines
7h 43m
1 stop
SEA11:04 pmSeattle/Tacoma Intl
$437
United Airlines
Aug 25
SEA5:20 pmSeattle/Tacoma Intl
15h 06m
2 stops
DSM10:26 amDes Moines
Aug 26
DSM5:21 pmDes Moines
7h 43m
1 stop
SEA11:04 pmSeattle/Tacoma Intl
$442

American Airlines flights from Seattle to Des Moines

Our best American Airlines deals on Seattle to Des Moines flight tickets
American Airlines
Jul 14
SEA7:00 amSeattle/Tacoma Intl
9h 20m
1 stop
DSM6:20 pmDes Moines
Jul 21
DSM4:48 pmDes Moines
10h 09m
1 stop
SEA12:57 amSeattle/Tacoma Intl
$347
American Airlines
Sep 15
SEA11:57 pmSeattle/Tacoma Intl
6h 42m
1 stop
DSM8:39 amDes Moines
Sep 26
DSM6:41 amDes Moines
10h 11m
1 stop
SEA2:52 pmSeattle/Tacoma Intl
$360
American Airlines
Jul 10
SEA2:09 pmSeattle/Tacoma Intl
7h 52m
1 stop
DSM12:01 amDes Moines
Jul 15
DSM6:33 pmDes Moines
8h 19m
1 stop
SEA12:52 amSeattle/Tacoma Intl
$417

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 June 20, 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

Price

Cheapest round-trip

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Tue 7/14

7:06 pm-1:34 pm

1 stop16h 28m

Des Moines

Wed 7/22

2:19 pm-9:17 am

1 stop20h 58m

$264

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Tue 7/7

7:06 pm-1:34 pm

1 stop16h 28m

Des Moines

Fri 7/10

2:19 pm-9:17 am

1 stop20h 58m

$300

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Wed 7/15

8:13 pm-8:43 pm

1 stop22h 30m

Des Moines

Mon 7/20

10:01 pm-10:39 am

1 stop14h 38m

$315

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Thu 7/16

8:53 pm-9:11 pm

1 stop22h 18m

Des Moines

Mon 7/20

10:01 pm-10:39 am

1 stop14h 38m

$335

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Tue 7/28

7:06 pm-1:34 pm

1 stop16h 28m

Des Moines

Fri 8/7

2:19 pm-1:17 pm

1 stop24h 58m

$338

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Tue 7/7

7:06 pm-1:34 pm

1 stop16h 28m

Des Moines

Mon 7/13

2:19 pm-11:20 am

1 stop23h 01m

$339

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Tue 7/7

7:06 pm-1:34 pm

1 stop16h 28m

Des Moines

Fri 7/10

2:19 pm-9:17 am

1 stop20h 58m

$340

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Tue 7/14

7:00 am-6:20 pm

1 stop9h 20m

Des Moines

Tue 7/21

4:48 pm-12:57 am

1 stop10h 09m

$347

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Wed 7/15

8:13 pm-8:43 pm

1 stop22h 30m

Des Moines

Mon 7/20

10:01 pm-9:17 am

2 stops13h 16m

$349
Quickest round-trip

SeattleDes Moines

SEA - DSM

SEADSM

Seattle/Tacoma Intl

Sat 8/15

5:30 am-4:10 pm

1 stop8h 40m

Des Moines

Sat 8/22

7:20 am-2:25 pm

2 stops9h 05m

$352

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 typical price of a round-trip flight between Seattle and Des Moines?

What is the cheapest month to fly to Des Moines?

If you’re not able to fly to Des Moines in October, then September is your next best option. Flight prices from Seattle to Des Moines during September average around $438.

How far in advance should I book a flight from Seattle 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 $493 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 $316 on momondo.

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

As of June 2026, prices for Seattle to Des Moines flights are approximately 6% 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

Fastest flight time

5h 49m

Direct flights

None
The fastest flight from Seattle to Des Moines takes 5h 49m
There are no direct flights from Seattle to Des Moines. There are no popular flight routes from Seattle to Des Moines.
Search flight deals

Frequently asked questions about flying from Seattle to Des Moines

  • 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 5h 49m, 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 $145Free CancellationRating
5.6
2,877 reviews
Search Frontier flights
DeltaPriceFrom $269Free CancellationRating
7.8
8,421 reviews
Search Delta flights
American AirlinesPriceFrom $272Free CancellationRating
7.1
11,716 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $294Free CancellationRating
7.9
12,549 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $362Free CancellationRating
7.4
9,865 reviews
Search United Airlines flights
SouthwestPriceFrom $384Free CancellationRating
7.9
4,242 reviews
Search Southwest 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
Clive
Pella
Osceola
Urbandale
Newton
Johnston
Boone
Oskaloosa
Grinnell
Norwalk
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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