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Cheap flights from Des Moines to Seattle from $105

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
8:35 pm - 3:40 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
21h 05m1 stop Denver Intl
Frontier Logo
4:58 pm - 7:42 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
24h 44m1 stop Denver Intl
$203Frontier
Thu, Dec 3 - Wed, Dec 9
Frontier Logo
8:30 pm - 3:12 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
20h 42m1 stop Denver Intl
Frontier Logo
4:37 pm - 7:33 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
24h 56m1 stop Denver Intl
$246Frontier
Fri, Nov 13 - Sat, Nov 21
American Airlines Logo
2:27 pm - 8:53 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
8h 26m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:11 am - 2:48 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
7h 37m1 stop Dallas/Fort Worth
$261American Airlines
Wed, Jan 6 - Sat, Jan 9
American Airlines Logo
7:24 pm - 12:42 amDSM  Des Moines-SEA Seattle/Tacoma Intl
7h 18m1 stop Chicago O'Hare Intl
American Airlines Logo
5:10 am - 2:35 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
7h 25m1 stop Dallas/Fort Worth
$261American Airlines
Thu, Nov 19 - Thu, Nov 26
Southwest Logo
5:55 am - 1:00 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
9h 05m1 stop Chicago Midway
Southwest Logo
10:45 am - 9:35 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
8h 50m1 stop Chicago Midway
$261Southwest
Thu, Jan 7 - Mon, Jan 11
Southwest Logo
5:55 am - 1:00 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
9h 05m1 stop Chicago Midway
Southwest Logo
10:45 am - 9:35 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
8h 50m1 stop Chicago Midway
$261Southwest
Thu, Jan 7 - Mon, Jan 11
Delta Logo
2:48 pm - 8:46 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
7h 58m1 stop Minneapolis St Paul
Delta Logo
11:47 pm - 10:19 amSEA  Seattle/Tacoma Intl-DSM Des Moines
8h 32m1 stop Minneapolis St Paul
$261Delta
Mon, Nov 16 - Wed, Nov 18
United Airlines Logo
9:25 am - 6:12 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
10h 47m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
8:30 am - 4:11 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
5h 41m1 stop Denver Intl
$266United Airlines
Thu, Jan 7 - Mon, Jan 11
United Airlines Logo
9:25 am - 6:12 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
10h 47m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
8:30 am - 4:11 pmSEA  Seattle/Tacoma Intl-DSM Des Moines
5h 41m1 stop Denver Intl
$266United Airlines
Thu, Jan 7 - Mon, Jan 11
Delta Logo
2:48 pm - 8:46 pmDSM  Des Moines-SEA Seattle/Tacoma Intl
7h 58m1 stop Minneapolis St Paul
Delta Logo
11:47 pm - 10:19 amSEA  Seattle/Tacoma Intl-DSM Des Moines
8h 32m1 stop Minneapolis St Paul
$296Delta
Mon, Nov 9 - Fri, Nov 13

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Southwest flights from Des Moines to Seattle

Our best Southwest deals on Des Moines to Seattle flight tickets
Southwest
Jan 7
DSM6:55 amDes Moines
11h 05m
2 stops
SEA4:00 pmSeattle/Tacoma Intl
Jan 11
SEA5:40 amSeattle/Tacoma Intl
10h 00m
2 stops
DSM5:40 pmDes Moines
$271
Southwest
Dec 9
DSM7:00 amDes Moines
6h 00m
1 stop
SEA11:00 amSeattle/Tacoma Intl
Dec 13
SEA6:15 amSeattle/Tacoma Intl
4h 55m
1 stop
DSM1:10 pmDes Moines
$291
Southwest
Dec 1
DSM3:30 pmDes Moines
10h 05m
1 stop
SEA11:35 pmSeattle/Tacoma Intl
Dec 5
SEA10:55 amSeattle/Tacoma Intl
7h 40m
1 stop
DSM8:35 pmDes Moines
$360

Frontier flights from Des Moines to Seattle

Our best Frontier deals on Des Moines to Seattle flight tickets
Frontier
Dec 3
DSM8:35 pmDes Moines
21h 05m
1 stop
SEA3:40 pmSeattle/Tacoma Intl
Dec 9
SEA4:58 pmSeattle/Tacoma Intl
24h 44m
1 stop
DSM7:42 pmDes Moines
$203
Frontier
Nov 13
DSM8:30 pmDes Moines
20h 42m
1 stop
SEA3:12 pmSeattle/Tacoma Intl
Nov 21
SEA4:37 pmSeattle/Tacoma Intl
24h 56m
1 stop
DSM7:33 pmDes Moines
$246
Frontier
Dec 24
DSM8:26 pmDes Moines
17h 56m
1 stop
SEA12:22 pmSeattle/Tacoma Intl
Dec 30
SEA1:37 pmSeattle/Tacoma Intl
27h 54m
1 stop
DSM7:31 pmDes Moines
$325

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

Thu 12/3

8:35 pm-3:40 pm

1 stop21h 05m

Seattle/Tacoma Intl

Wed 12/9

4:58 pm-7:42 pm

1 stop24h 44m

$203

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Fri 11/13

8:30 pm-3:12 pm

1 stop20h 42m

Seattle/Tacoma Intl

Sat 11/21

4:37 pm-7:33 pm

1 stop24h 56m

$246

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Wed 1/6

2:27 pm-8:53 pm

1 stop8h 26m

Seattle/Tacoma Intl

Sat 1/9

5:11 am-2:48 pm

1 stop7h 37m

$261
Quickest round-trip

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Thu 11/19

7:24 pm-12:42 am

1 stop7h 18m

Seattle/Tacoma Intl

Thu 11/26

5:10 am-2:35 pm

1 stop7h 25m

$261

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Thu 1/7

5:55 am-1:00 pm

1 stop9h 05m

Seattle/Tacoma Intl

Mon 1/11

10:45 am-9:35 pm

1 stop8h 50m

$261

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Thu 1/7

5:55 am-1:00 pm

1 stop9h 05m

Seattle/Tacoma Intl

Mon 1/11

10:45 am-9:35 pm

1 stop8h 50m

$261

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Mon 11/16

2:48 pm-8:46 pm

1 stop7h 58m

Seattle/Tacoma Intl

Wed 11/18

11:47 pm-10:19 am

1 stop8h 32m

$261

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Thu 1/7

9:25 am-6:12 pm

2 stops10h 47m

Seattle/Tacoma Intl

Mon 1/11

8:30 am-4:11 pm

1 stop5h 41m

$266

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Thu 1/7

9:25 am-6:12 pm

2 stops10h 47m

Seattle/Tacoma Intl

Mon 1/11

8:30 am-4:11 pm

1 stop5h 41m

$266

Des MoinesSeattle

DSM Des Moines - SEA Seattle/Tacoma Intl

DSMSEA

Des Moines

Mon 11/9

2:48 pm-8:46 pm

1 stop7h 58m

Seattle/Tacoma Intl

Fri 11/13

11:47 pm-10:19 am

1 stop8h 32m

$296

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 $406 to $600.
The lowest price recently found on this route was $203.

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 $389. If you don’t want to visit Seattle in September, then you should wait until December to fly from Des Moines, when ticket prices are also cheap, with an average price of $446.

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 $497 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 $412 on momondo.

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

As of October 2026, prices for Des Moines to Seattle flights are approximately 4% 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

$105

Fastest flight time

5h 55m

Direct flights

None
The best one-way flight to Seattle from Des Moines in the past 72 hours is $105. The best round-trip flight deal from Des Moines to Seattle found on momondo in the last 72 hours is $203.
The fastest flight from Des Moines to Seattle takes 5h 55m
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 55m, 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
DeltaPriceFrom $290Free CancellationRating
7.8
8,667 reviews
Search Delta flights
American AirlinesPriceFrom $312Free CancellationRating
7.0
12,189 reviews
Search American Airlines flights
United AirlinesPriceFrom $340Free CancellationRating
7.3
10,412 reviews
Search United Airlines flights
SouthwestPriceFrom $346Free CancellationRating
7.9
4,211 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $502Free CancellationRating
7.9
13,111 reviews
Search Alaska Airlines flights

  • United Airlines Flights From Des Moines to Seattle

    United Airlines flight deals from Des Moines to Seattle start from $340 round-trip. Over the 1 United Airlines flight for this route in a normal week, average airfare is usually $488 round-trip - but some users have found much cheaper deals with momondo.

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
Redmond
Olympia
Federal Way
Kent
Lakewood
Lynnwood
Puyallup
Tukwila
Fife
Cle Elum
Marysville
Lacey
Kirkland
Centralia
Shoreline

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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