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Cheap flights from Des Moines to Seattle from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Des Moines to Seattle departing on 7/13. 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 Des Moines to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:16 pm - 9:48 am
DSM
-
SEA
21h 32m
1 stop
Frontier Logo
7:41 pm - 1:31 pm
SEA
-
DSM
15h 50m
1 stop
$414Frontier
Mon, Jun 8 - Sun, Jun 14
Multiple Airlines Logo
2:16 pm - 10:35 am
DSM
-
SEA
22h 19m
2 stops
Multiple Airlines Logo
8:12 pm - 9:06 pm
SEA
-
DSM
22h 54m
1 stop
$415Multiple Airlines
Wed, Jun 10 - Sun, Jun 14
Multiple Airlines Logo
9:56 pm - 6:57 pm
DSM
-
SEA
23h 01m
2 stops
Multiple Airlines Logo
8:12 pm - 9:11 pm
SEA
-
DSM
22h 59m
1 stop
$416Multiple Airlines
Mon, Jun 29 - Sun, Jul 5
Delta Logo
7:50 pm - 11:59 pm
DSM
-
SEA
6h 09m
1 stop
Delta Logo
11:53 pm - 10:20 am
SEA
-
DSM
8h 27m
1 stop
$417Delta
Wed, Oct 7 - Mon, Oct 12
Multiple Airlines Logo
9:56 pm - 6:57 pm
DSM
-
SEA
23h 01m
2 stops
Multiple Airlines Logo
7:41 pm - 1:31 pm
SEA
-
DSM
15h 50m
1 stop
$418Multiple Airlines
Fri, Jun 19 - Tue, Jun 23
Multiple Airlines Logo
9:56 pm - 6:57 pm
DSM
-
SEA
23h 01m
2 stops
Multiple Airlines Logo
8:12 pm - 9:11 pm
SEA
-
DSM
22h 59m
1 stop
$419Multiple Airlines
Mon, Jun 29 - Sun, Jul 5
Multiple Airlines Logo
9:44 pm - 10:39 am
DSM
-
SEA
14h 55m
1 stop
Multiple Airlines Logo
7:41 pm - 4:18 pm
SEA
-
DSM
42h 37m
2 stops
$420Multiple Airlines
Sun, Aug 9 - Fri, Aug 14
Multiple Airlines Logo
2:19 pm - 6:12 pm
DSM
-
SEA
29h 53m
2 stops
Multiple Airlines Logo
8:12 pm - 12:59 pm
SEA
-
DSM
14h 47m
1 stop
$421Multiple Airlines
Wed, Jul 22 - Tue, Jul 28
Southwest Logo
12:05 pm - 6:45 pm
DSM
-
SEA
8h 40m
1 stop
Southwest Logo
9:25 am - 9:00 pm
SEA
-
DSM
9h 35m
2 stops
$422Southwest
Thu, Aug 6 - Tue, Aug 11
American Airlines Logo
7:09 pm - 12:41 am
DSM
-
SEA
7h 32m
1 stop
American Airlines Logo
3:05 pm - 12:35 am
SEA
-
DSM
7h 30m
1 stop
$423American Airlines
Wed, Jun 17 - Tue, Jun 23

Frontier flights from Des Moines to Seattle

Our best Frontier deals on Des Moines to Seattle flight tickets
Frontier
Jun 8
DSM2:16 pmDes Moines
21h 32m
1 stop
SEA9:48 amSeattle/Tacoma Intl
Jun 14
SEA7:41 pmSeattle/Tacoma Intl
15h 50m
1 stop
DSM1:31 pmDes Moines
$414
Frontier
May 22
DSM2:16 pmDes Moines
21h 50m
1 stop
SEA10:06 amSeattle/Tacoma Intl
May 24
SEA7:50 pmSeattle/Tacoma Intl
15h 41m
1 stop
DSM1:31 pmDes Moines
$421
Frontier
Jul 1
DSM2:16 pmDes Moines
22h 19m
2 stops
SEA10:35 amSeattle/Tacoma Intl
Jul 2
SEA7:41 pmSeattle/Tacoma Intl
15h 50m
1 stop
DSM1:31 pmDes Moines
$429

Delta flights from Des Moines to Seattle

Our best Delta deals on Des Moines to Seattle flight tickets
Delta
Oct 7
DSM7:50 pmDes Moines
6h 09m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Oct 12
SEA11:53 pmSeattle/Tacoma Intl
8h 27m
1 stop
DSM10:20 amDes Moines
$417
Delta
Oct 8
DSM7:50 pmDes Moines
6h 09m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Oct 12
SEA11:05 pmSeattle/Tacoma Intl
8h 19m
1 stop
DSM9:24 amDes Moines
$427
Delta
Jun 30
DSM6:03 pmDes Moines
7h 56m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Jul 3
SEA6:05 amSeattle/Tacoma Intl
6h 00m
1 stop
DSM2:05 pmDes Moines
$436

momondo Fare Finder

 
Customize your flight search to find flights from Des Moines to Seattle 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 May 16, 2026.
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 - SEA

DSMSEA

Des Moines

Mon 6/8

2:16 pm-9:48 am

1 stop21h 32m

Seattle/Tacoma Intl

Sun 6/14

7:41 pm-1:31 pm

1 stop15h 50m

$414

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Wed 6/10

2:16 pm-10:35 am

2 stops22h 19m

Seattle/Tacoma Intl

Sun 6/14

8:12 pm-9:06 pm

1 stop22h 54m

$415

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Mon 6/29

9:56 pm-6:57 pm

2 stops23h 01m

Seattle/Tacoma Intl

Sun 7/5

8:12 pm-9:11 pm

1 stop22h 59m

$416
Quickest round-trip

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Wed 10/7

7:50 pm-11:59 pm

1 stop6h 09m

Seattle/Tacoma Intl

Mon 10/12

11:53 pm-10:20 am

1 stop8h 27m

$417

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Fri 6/19

9:56 pm-6:57 pm

2 stops23h 01m

Seattle/Tacoma Intl

Tue 6/23

7:41 pm-1:31 pm

1 stop15h 50m

$418

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Mon 6/29

9:56 pm-6:57 pm

2 stops23h 01m

Seattle/Tacoma Intl

Sun 7/5

8:12 pm-9:11 pm

1 stop22h 59m

$419

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Sun 8/9

9:44 pm-10:39 am

1 stop14h 55m

Seattle/Tacoma Intl

Fri 8/14

7:41 pm-4:18 pm

2 stops42h 37m

$420

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Wed 7/22

2:19 pm-6:12 pm

2 stops29h 53m

Seattle/Tacoma Intl

Tue 7/28

8:12 pm-12:59 pm

1 stop14h 47m

$421

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Thu 8/6

12:05 pm-6:45 pm

1 stop8h 40m

Seattle/Tacoma Intl

Tue 8/11

9:25 am-9:00 pm

2 stops9h 35m

$422

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Wed 6/17

7:09 pm-12:41 am

1 stop7h 32m

Seattle/Tacoma Intl

Tue 6/23

3:05 pm-12:35 am

1 stop7h 30m

$423

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

What is the cheapest month to fly to Seattle?

In general, October 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 $349. If you don’t want to visit Seattle in October, then you should wait until February to fly from Des Moines, when ticket prices are also cheap, with an average price of $421.

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 $464 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 $404 on momondo.

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

As of May 2026, prices for Des Moines to Seattle flights are approximately 123% 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

Fastest flight time

5h 53m

Direct flights

None
The fastest flight from Des Moines to Seattle takes 5h 53m
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 53m, 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 $120Free CancellationRating
5.6
2,950 reviews
Search Frontier flights
DeltaPriceFrom $252Free CancellationRating
7.9
8,454 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
United AirlinesPriceFrom $312Free CancellationRating
7.4
9,730 reviews
Search United Airlines flights
SouthwestPriceFrom $406Free CancellationRating
8.0
4,294 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $502Free CancellationRating
7.9
12,373 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
Olympia
Lynnwood
Redmond
Kent
Tukwila
Puyallup
Marysville
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Westport
Shoreline
Tumwater

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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