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Cheap flights from Des Moines to Seattle from $107

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 11/14. 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.
Multiple Airlines Logo
8:30 am - 10:11 amDSM-SEA
27h 41m1 stop
Multiple Airlines Logo
6:05 pm - 7:44 pmSEA-DSM
23h 39m2 stops
$240Multiple Airlines
Find Deal
Sun, Dec 21 - Sun, Dec 28
Frontier Logo
7:58 pm - 11:53 amDSM-SEA
17h 55m1 stop
Frontier Logo
2:54 pm - 7:44 pmSEA-DSM
26h 50m1 stop
$243Frontier
Find Deal
Fri, Dec 12 - Fri, Dec 19
Delta Logo
6:24 am - 2:21 pmDSM-SEA
9h 57m1 stop
Delta Logo
11:10 pm - 9:41 amSEA-DSM
8h 31m1 stop
$303Delta
Find Deal
Sat, Jan 17 - Tue, Jan 20
United Airlines Logo
1:35 pm - 6:26 pmDSM-SEA
6h 51m1 stop
United Airlines Logo
9:00 am - 8:34 pmSEA-DSM
9h 34m2 stops
$308United Airlines
Find Deal
Sat, Jan 17 - Tue, Jan 20
American Airlines Logo
5:21 am - 2:05 pmDSM-SEA
10h 44m1 stop
American Airlines Logo
12:38 am - 11:42 amSEA-DSM
9h 04m1 stop
$340American Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
Delta Logo
6:50 am - 12:58 pmDSM-SEA
8h 08m1 stop
Delta Logo
6:00 am - 5:48 pmSEA-DSM
9h 48m1 stop
$343Delta
Find Deal
Tue, Dec 16 - Tue, Dec 30
United Airlines Logo
3:17 pm - 10:28 pmDSM-SEA
9h 11m1 stop
United Airlines Logo
1:05 pm - 11:44 pmSEA-DSM
8h 39m2 stops
$348United Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
American Airlines Logo
5:26 pm - 12:58 amDSM-SEA
9h 32m1 stop
American Airlines Logo
7:15 am - 4:49 pmSEA-DSM
7h 34m1 stop
$350American Airlines
Find Deal
Tue, Nov 25 - Mon, Dec 8
Southwest Logo
12:05 pm - 9:50 pmDSM-SEA
11h 45m2 stops
Southwest Logo
9:25 am - 7:55 pmSEA-DSM
8h 30m2 stops
$353Southwest
Find Deal
Wed, Dec 10 - Mon, Dec 15
Southwest Logo
1:15 pm - 8:20 pmDSM-SEA
9h 05m1 stop
Southwest Logo
5:15 am - 3:30 pmSEA-DSM
8h 15m1 stop
$364Southwest
Find Deal
Sat, Dec 13 - Thu, Dec 18

Frontier flights from Des Moines to Seattle

Our best Frontier deals on Des Moines to Seattle flight tickets
Frontier
Dec 12
DSM7:58 pmDes Moines
17h 55m
1 stop
SEA11:53 amSeattle/Tacoma Intl
Dec 19
SEA2:54 pmSeattle/Tacoma Intl
26h 50m
1 stop
DSM7:44 pmDes Moines
$243
Find similar
Frontier
Dec 12
DSM7:58 pmDes Moines
17h 55m
1 stop
SEA11:53 amSeattle/Tacoma Intl
Dec 19
SEA2:54 pmSeattle/Tacoma Intl
26h 50m
1 stop
DSM7:44 pmDes Moines
$248
Find similar
Frontier
Dec 12
DSM7:58 pmDes Moines
17h 55m
1 stop
SEA11:53 amSeattle/Tacoma Intl
Dec 19
SEA2:54 pmSeattle/Tacoma Intl
26h 50m
1 stop
DSM7:44 pmDes Moines
$249
Find similar

Delta flights from Des Moines to Seattle

Our best Delta deals on Des Moines to Seattle flight tickets
Delta
Jan 17
DSM6:24 amDes Moines
9h 57m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Jan 20
SEA11:10 pmSeattle/Tacoma Intl
8h 31m
1 stop
DSM9:41 amDes Moines
$303
Find similar
Delta
Dec 16
DSM6:50 amDes Moines
8h 08m
1 stop
SEA12:58 pmSeattle/Tacoma Intl
Dec 30
SEA6:00 amSeattle/Tacoma Intl
9h 48m
1 stop
DSM5:48 pmDes Moines
$343
Find similar
Delta
Nov 18
DSM2:45 pmDes Moines
7h 51m
1 stop
SEA8:36 pmSeattle/Tacoma Intl
Nov 25
SEA6:00 amSeattle/Tacoma Intl
6h 08m
1 stop
DSM2:08 pmDes Moines
$357
Find similar

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 October 30, 2025.
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

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Sun 12/21

8:30 am-10:11 am

1 stop27h 41m

Seattle/Tacoma Intl

Sun 12/28

6:05 pm-7:44 pm

2 stops23h 39m

$240

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Fri 12/12

7:58 pm-11:53 am

1 stop17h 55m

Seattle/Tacoma Intl

Fri 12/19

2:54 pm-7:44 pm

1 stop26h 50m

$243

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Sat 1/17

6:24 am-2:21 pm

1 stop9h 57m

Seattle/Tacoma Intl

Tue 1/20

11:10 pm-9:41 am

1 stop8h 31m

$303

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Sat 1/17

1:35 pm-6:26 pm

1 stop6h 51m

Seattle/Tacoma Intl

Tue 1/20

9:00 am-8:34 pm

2 stops9h 34m

$308

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Wed 12/10

5:21 am-2:05 pm

1 stop10h 44m

Seattle/Tacoma Intl

Sun 12/14

12:38 am-11:42 am

1 stop9h 04m

$340

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Tue 12/16

6:50 am-12:58 pm

1 stop8h 08m

Seattle/Tacoma Intl

Tue 12/30

6:00 am-5:48 pm

1 stop9h 48m

$343

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Mon 12/8

3:17 pm-10:28 pm

1 stop9h 11m

Seattle/Tacoma Intl

Mon 12/15

1:05 pm-11:44 pm

2 stops8h 39m

$348

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Tue 11/25

5:26 pm-12:58 am

1 stop9h 32m

Seattle/Tacoma Intl

Mon 12/8

7:15 am-4:49 pm

1 stop7h 34m

$350

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Wed 12/10

12:05 pm-9:50 pm

2 stops11h 45m

Seattle/Tacoma Intl

Mon 12/15

9:25 am-7:55 pm

2 stops8h 30m

$353

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

Sat 12/13

1:15 pm-8:20 pm

1 stop9h 05m

Seattle/Tacoma Intl

Thu 12/18

5:15 am-3:30 pm

1 stop8h 15m

$364

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 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 $336. If you don’t want to visit Seattle in October, then you should wait until January to fly from Des Moines, when ticket prices are also cheap, with an average price of $388.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Des Moines is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $406. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Des Moines because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $504.

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

Flying to Seattle from Des Moines in the evening is the least expensive time of day to depart. momondo users have found prices as low as $394 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $476. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $457 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 $342 on momondo.

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

As of October 2025, prices for Des Moines to Seattle flights are approximately 16% 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

Direct flights

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

  • 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 6h 51m, 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
5.8
3,123 reviews
Search Frontier flights
DeltaPriceFrom $252Free CancellationRating
7.9
7,993 reviews
Search Delta flights
American AirlinesPriceFrom $317Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
SouthwestPriceFrom $336Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $345Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $486Free CancellationRating
8.0
11,214 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
Kent
Puyallup
Marysville
Redmond
Tukwila
Federal Way
Lakewood
Cle Elum
Fife
Centralia
Kirkland
Shoreline
Westport

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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