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Cheap flights from Des Moines to Seattle from $89

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 6/3. 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 - 9:49 am
DSM
-
SEA
21h 33m
1 stop
Frontier Logo
7:50 pm - 1:31 pm
SEA
-
DSM
15h 41m
1 stop
$257Frontier
mer., mai 13 - mar., mai 19
Frontier Logo
2:16 pm - 9:49 am
DSM
-
SEA
21h 33m
1 stop
Frontier Logo
7:50 pm - 1:31 pm
SEA
-
DSM
15h 41m
1 stop
$274Frontier
mer., mai 6 - mar., mai 12
Frontier Logo
2:16 pm - 10:22 am
DSM
-
SEA
22h 06m
2 stops
Frontier Logo
7:50 pm - 1:31 pm
SEA
-
DSM
15h 41m
1 stop
$275Frontier
mer., mai 6 - mar., mai 12
Multiple Airlines Logo
2:51 pm - 9:49 am
DSM
-
SEA
44h 58m
2 stops
Multiple Airlines Logo
7:50 pm - 1:31 pm
SEA
-
DSM
15h 41m
1 stop
$278Multiple Airlines
dim., mai 3 - mar., mai 5
Multiple Airlines Logo
10:01 pm - 10:22 am
DSM
-
SEA
14h 21m
1 stop
Multiple Airlines Logo
7:50 pm - 1:31 pm
SEA
-
DSM
15h 41m
1 stop
$303Multiple Airlines
ven., mai 8 - mar., mai 12
Multiple Airlines Logo
2:16 pm - 9:49 am
DSM
-
SEA
21h 33m
1 stop
Multiple Airlines Logo
11:37 am - 10:33 pm
SEA
-
DSM
8h 56m
1 stop
$305Multiple Airlines
mer., mai 13 - lun., mai 18
Multiple Airlines Logo
10:00 am - 10:22 am
DSM
-
SEA
26h 22m
2 stops
Multiple Airlines Logo
7:50 pm - 1:31 pm
SEA
-
DSM
15h 41m
1 stop
$310Multiple Airlines
ven., mai 8 - mar., mai 12
Multiple Airlines Logo
2:16 pm - 9:49 am
DSM
-
SEA
21h 33m
1 stop
Multiple Airlines Logo
11:37 am - 10:47 pm
SEA
-
DSM
9h 10m
1 stop
$311Multiple Airlines
mer., mai 6 - lun., mai 11
Multiple Airlines Logo
2:16 pm - 10:22 am
DSM
-
SEA
22h 06m
2 stops
Multiple Airlines Logo
11:37 am - 10:47 pm
SEA
-
DSM
9h 10m
1 stop
$313Multiple Airlines
mer., mai 6 - lun., mai 11
Multiple Airlines Logo
10:01 pm - 10:22 am
DSM
-
SEA
14h 21m
1 stop
Multiple Airlines Logo
11:37 am - 10:47 pm
SEA
-
DSM
9h 10m
1 stop
$314Multiple Airlines
ven., mai 8 - lun., mai 11

United Airlines flights from Des Moines to Seattle

Our best United Airlines deals on Des Moines to Seattle flight tickets
United Airlines
Apr 14
DSM5:30 amDes Moines
6h 16m
1 stop
SEA9:46 amSeattle/Tacoma Intl
Apr 17
SEA12:22 pmSeattle/Tacoma Intl
9h 20m
2 stops
DSM11:42 pmDes Moines
$572
United Airlines
Apr 12
DSM3:21 pmDes Moines
9h 21m
1 stop
SEA10:42 pmSeattle/Tacoma Intl
Apr 16
SEA6:00 amSeattle/Tacoma Intl
12h 34m
2 stops
DSM8:34 pmDes Moines
$823
United Airlines
Apr 3
DSM5:17 pmDes Moines
7h 16m
1 stop
SEA10:33 pmSeattle/Tacoma Intl
Apr 6
SEA3:48 pmSeattle/Tacoma Intl
5h 54m
1 stop
DSM11:42 pmDes Moines
$827

Delta flights from Des Moines to Seattle

Our best Delta deals on Des Moines to Seattle flight tickets
Delta
Apr 9
DSM10:51 amDes Moines
6h 59m
1 stop
SEA3:50 pmSeattle/Tacoma Intl
Apr 13
SEA6:00 amSeattle/Tacoma Intl
7h 41m
1 stop
DSM3:41 pmDes Moines
$748
Delta
Apr 2
DSM10:51 amDes Moines
12h 22m
2 stops
SEA9:13 pmSeattle/Tacoma Intl
Apr 5
SEA7:59 pmSeattle/Tacoma Intl
12h 10m
2 stops
DSM10:09 amDes Moines
$1,585
Delta
Apr 2
DSM10:51 amDes Moines
12h 22m
2 stops
SEA9:13 pmSeattle/Tacoma Intl
Apr 4
SEA9:20 pmSeattle/Tacoma Intl
10h 49m
2 stops
DSM10:09 amDes Moines
$1,614

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 avril 1, 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

mer. 5/13

2:16 pm-9:49 am

1 stop21h 33m

Seattle/Tacoma Intl

mar. 5/19

7:50 pm-1:31 pm

1 stop15h 41m

$257

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

mer. 5/6

2:16 pm-9:49 am

1 stop21h 33m

Seattle/Tacoma Intl

mar. 5/12

7:50 pm-1:31 pm

1 stop15h 41m

$274

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

mer. 5/6

2:16 pm-10:22 am

2 stops22h 06m

Seattle/Tacoma Intl

mar. 5/12

7:50 pm-1:31 pm

1 stop15h 41m

$275

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

dim. 5/3

2:51 pm-9:49 am

2 stops44h 58m

Seattle/Tacoma Intl

mar. 5/5

7:50 pm-1:31 pm

1 stop15h 41m

$278

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

ven. 5/8

10:01 pm-10:22 am

1 stop14h 21m

Seattle/Tacoma Intl

mar. 5/12

7:50 pm-1:31 pm

1 stop15h 41m

$303

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

mer. 5/13

2:16 pm-9:49 am

1 stop21h 33m

Seattle/Tacoma Intl

lun. 5/18

11:37 am-10:33 pm

1 stop8h 56m

$305

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

ven. 5/8

10:00 am-10:22 am

2 stops26h 22m

Seattle/Tacoma Intl

mar. 5/12

7:50 pm-1:31 pm

1 stop15h 41m

$310

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

mer. 5/6

2:16 pm-9:49 am

1 stop21h 33m

Seattle/Tacoma Intl

lun. 5/11

11:37 am-10:47 pm

1 stop9h 10m

$311

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

mer. 5/6

2:16 pm-10:22 am

2 stops22h 06m

Seattle/Tacoma Intl

lun. 5/11

11:37 am-10:47 pm

1 stop9h 10m

$313
Quickest round-trip

Des MoinesSeattle

DSM - SEA

DSMSEA

Des Moines

ven. 5/8

10:01 pm-10:22 am

1 stop14h 21m

Seattle/Tacoma Intl

lun. 5/11

11:37 am-10:47 pm

1 stop9h 10m

$314

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?

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 $345. If you don’t want to visit Seattle in October, then you should wait until September to fly from Des Moines, when ticket prices are also cheap, with an average price of $404.

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 $449 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 $383 on momondo.

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

As of April 2026, prices for Des Moines to Seattle flights are approximately 21% cheaper 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 59m

Direct flights

None
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

  • 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 $120Free CancellationRating
5.7
3,007 reviews
Search Frontier flights
DeltaPriceFrom $252Free CancellationRating
7.9
8,366 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.1
11,545 reviews
Search American Airlines flights
United AirlinesPriceFrom $312Free CancellationRating
7.4
9,530 reviews
Search United Airlines flights
SouthwestPriceFrom $336Free CancellationRating
8.0
4,335 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $506Free CancellationRating
7.9
12,144 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
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Centralia
Fife
Westport
Kirkland
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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