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Cheap flights from Des Moines to Seattle from $159

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Des Moines to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:30 pm - 3:08 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
20h 38m1 stop Denver Intl
Frontier Logo
4:27 pm - 10:44 amSEA  Seattle/Tacoma Intl-DSM Des Moines
16h 17m1 stop Denver Intl
$271Frontier
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
9:56 pm - 9:42 amDSM  Des Moines-SEA Seattle/Tacoma Intl
13h 46m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:25 pm - 10:57 amSEA  Seattle/Tacoma Intl-DSM Des Moines
37h 32m2 stops Los Angeles Las Vegas Harry Reid Intl
$277Multiple Airlines
Sun, Sep 27 - Wed, Sep 30
Multiple Airlines Logo
9:31 pm - 9:42 amDSM  Des Moines-SEA Seattle/Tacoma Intl
14h 11m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:25 pm - 10:57 amSEA  Seattle/Tacoma Intl-DSM Des Moines
37h 32m2 stops Los Angeles Las Vegas Harry Reid Intl
$277Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
Frontier Logo
11:29 am - 3:08 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
5h 39m1 stop Denver Intl
Frontier Logo
4:27 pm - 7:33 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
25h 06m1 stop Denver Intl
$281Frontier
Thu, Sep 24 - Thu, Oct 1
United Airlines Logo
5:45 am - 10:01 amDSM  Des Moines-SEA Seattle/Tacoma Intl
6h 16m1 stop Denver Intl
United Airlines Logo
10:56 pm - 10:32 amSEA  Seattle/Tacoma Intl-DSM Des Moines
9h 36m1 stop Chicago O'Hare Intl
$350United Airlines
Sat, Oct 24 - Mon, Oct 26
United Airlines Logo
5:45 am - 10:01 amDSM  Des Moines-SEA Seattle/Tacoma Intl
6h 16m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:31 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
5h 31m1 stop Denver Intl
$350United Airlines
Sat, Oct 3 - Sat, Oct 10
American Airlines Logo
5:56 pm - 12:11 amDSM  Des Moines-SEA Seattle/Tacoma Intl
8h 15m1 stop Chicago O'Hare Intl
American Airlines Logo
11:57 pm - 8:39 amSEA  Seattle/Tacoma Intl-DSM Des Moines
6h 42m1 stop Chicago O'Hare Intl
$354American Airlines
Thu, Oct 1 - Sat, Oct 3
American Airlines Logo
7:05 am - 12:50 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
7h 45m1 stop Chicago O'Hare Intl
American Airlines Logo
11:59 pm - 8:56 amSEA  Seattle/Tacoma Intl-DSM Des Moines
6h 57m1 stop Chicago O'Hare Intl
$355American Airlines
Sat, Oct 3 - Sat, Oct 10
Delta Logo
2:34 pm - 11:58 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
11h 24m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:59 pm - 10:11 amSEA  Seattle/Tacoma Intl-DSM Des Moines
8h 12m1 stop Minneapolis St Paul
$355Delta
Tue, Sep 29 - Mon, Oct 5
Delta Logo
2:34 pm - 11:58 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
11h 24m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 2:06 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
6h 06m1 stop Minneapolis St Paul
$355Delta
Thu, Sep 24 - Sat, Oct 3

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Delta flights from Des Moines to Seattle

Our best Delta deals on Des Moines to Seattle flight tickets
Delta
Sep 26
DSM12:25 pmDes Moines
8h 20m
1 stop
SEA6:45 pmSeattle/Tacoma Intl
Sep 28
SEA11:59 pmSeattle/Tacoma Intl
8h 18m
1 stop
DSM10:17 amDes Moines
$355
Delta
Sep 8
DSM4:11 pmDes Moines
9h 47m
1 stop
SEA11:58 pmSeattle/Tacoma Intl
Sep 15
SEA6:00 amSeattle/Tacoma Intl
9h 19m
1 stop
DSM5:19 pmDes Moines
$446
Delta
Sep 8
DSM4:11 pmDes Moines
9h 47m
1 stop
SEA11:58 pmSeattle/Tacoma Intl
Sep 11
SEA9:43 amSeattle/Tacoma Intl
9h 10m
1 stop
DSM8:53 pmDes Moines
$460

United Airlines flights from Des Moines to Seattle

Our best United Airlines deals on Des Moines to Seattle flight tickets
United Airlines
Oct 3
DSM5:45 amDes Moines
6h 16m
1 stop
SEA10:01 amSeattle/Tacoma Intl
Oct 10
SEA5:00 amSeattle/Tacoma Intl
5h 31m
1 stop
DSM12:31 pmDes Moines
$350
United Airlines
Sep 26
DSM5:45 amDes Moines
9h 59m
2 stops
SEA1:44 pmSeattle/Tacoma Intl
Sep 29
SEA8:30 amSeattle/Tacoma Intl
5h 50m
1 stop
DSM4:20 pmDes Moines
$360
United Airlines
Sep 12
DSM1:35 pmDes Moines
6h 07m
1 stop
SEA5:42 pmSeattle/Tacoma Intl
Sep 15
SEA12:05 pmSeattle/Tacoma Intl
9h 28m
2 stops
DSM11:33 pmDes Moines
$374

momondo Fare Finder

 
Use the filters below to find and compare flights from Des Moines to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Mon 9/21

8:30 pm-3:08 pm

1 stop20h 38m

Seattle/Tacoma Intl

Wed 9/30

4:27 pm-10:44 am

1 stop16h 17m

$271

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Sun 9/27

9:56 pm-9:42 am

1 stop13h 46m

Seattle/Tacoma Intl

Wed 9/30

7:25 pm-10:57 am

2 stops37h 32m

$277

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Mon 9/21

9:31 pm-9:42 am

1 stop14h 11m

Seattle/Tacoma Intl

Wed 9/30

7:25 pm-10:57 am

2 stops37h 32m

$277

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Thu 9/24

11:29 am-3:08 pm

1 stop5h 39m

Seattle/Tacoma Intl

Thu 10/1

4:27 pm-7:33 pm

1 stop25h 06m

$281

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Sat 10/24

5:45 am-10:01 am

1 stop6h 16m

Seattle/Tacoma Intl

Mon 10/26

10:56 pm-10:32 am

1 stop9h 36m

$350
Quickest round-trip

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Sat 10/3

5:45 am-10:01 am

1 stop6h 16m

Seattle/Tacoma Intl

Sat 10/10

5:00 am-12:31 pm

1 stop5h 31m

$350

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Thu 10/1

5:56 pm-12:11 am

1 stop8h 15m

Seattle/Tacoma Intl

Sat 10/3

11:57 pm-8:39 am

1 stop6h 42m

$354

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Sat 10/3

7:05 am-12:50 pm

1 stop7h 45m

Seattle/Tacoma Intl

Sat 10/10

11:59 pm-8:56 am

1 stop6h 57m

$355

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Tue 9/29

2:34 pm-11:58 pm

1 stop11h 24m

Seattle/Tacoma Intl

Mon 10/5

11:59 pm-10:11 am

1 stop8h 12m

$355

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Thu 9/24

2:34 pm-11:58 pm

1 stop11h 24m

Seattle/Tacoma Intl

Sat 10/3

6:00 am-2:06 pm

1 stop6h 06m

$355

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 Seattle from

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

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 Des Moines and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $346 to $524.
The lowest price recently found on this route was $271.

What is the cheapest month to fly to Seattle?

In general, September is the cheapest month to fly from Des Moines to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $402. If you don’t want to visit Seattle in September, then you should wait until August to fly from Des Moines, when ticket prices are also cheap, with an average price of $449.

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

You are more likely to see cheaper flights to Seattle from Des Moines when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $499 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Des Moines for as low as $415 on momondo.

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

As of August 2026, prices for Des Moines to Seattle flights are approximately 103% more expensive when compared to flights at the same time last year.

When to book flights from Des Moines to Seattle

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

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

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

Best Price Found

$159

Fastest flight time

5h 59m

Direct flights

None
The best one-way flight to Seattle from Des Moines in the past 72 hours is $159. The best round-trip flight deal from Des Moines to Seattle found on momondo in the last 72 hours is $271.
The fastest flight from Des Moines to Seattle takes 5h 59m
There are no direct flights from Des Moines to Seattle. There are no popular flight routes from Des Moines to Seattle.
Search flight deals

Frequently asked questions about flying from Des Moines to Seattle

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

    There are 1462.1 mi between Des Moines and Seattle/Tacoma Intl. Flights usually cover this in 5h 59m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Des Moines Airport to Seattle/Tacoma Intl Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl 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 Des Moines to Seattle?

Best airlines flying from Des Moines to Seattle

Compare and see reviews for airlines that fly from Des Moines to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $196Free CancellationRating
5.6
2,637 reviews
Search Frontier flights
American AirlinesPriceFrom $312Free CancellationRating
7.1
12,022 reviews
Search American Airlines flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
10,138 reviews
Search United Airlines flights
SouthwestPriceFrom $346Free CancellationRating
8.0
4,199 reviews
Search Southwest flights
DeltaPriceFrom $349Free CancellationRating
7.8
8,541 reviews
Search Delta flights
Alaska AirlinesPriceFrom $502Free CancellationRating
7.9
12,862 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Kent
Olympia
Redmond
Lynnwood
Lakewood
Federal Way
Puyallup
Tukwila
Fife
Cle Elum
Marysville
Kirkland
Shoreline
Centralia
Lacey

Why use momondo?

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

Finding the right flight to Seattle from Des Moines is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

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

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

Once you have performed a search for Des Moines to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Seattle from Des Moines. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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