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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 6/25. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Des Moines to Seattle.
Frontier Logo
7:30 pm - 11:49 pmDSM-SEA
6h 19m1 stop
Frontier Logo
12:21 pm - 6:30 pmSEA-DSM
28h 09m1 stop
$250Frontier
Find Deal
Wed, May 7 - Sun, May 11
Frontier Logo
7:27 pm - 12:44 amDSM-SEA
7h 17m1 stop
Frontier Logo
6:00 am - 6:37 pmSEA-DSM
10h 37m1 stop
$270Frontier
Find Deal
Fri, Apr 25 - Mon, Apr 28
American Airlines Logo
5:05 am - 10:54 amDSM-SEA
7h 49m1 stop
American Airlines Logo
2:58 pm - 11:53 pmSEA-DSM
6h 55m1 stop
$308American Airlines
Find Deal
Wed, Apr 30 - Sat, May 3
American Airlines Logo
2:37 pm - 8:13 pmDSM-SEA
7h 36m1 stop
American Airlines Logo
5:22 am - 4:47 pmSEA-DSM
9h 25m1 stop
$317American Airlines
Find Deal
Sat, Apr 26 - Sat, May 3
United Airlines Logo
1:40 pm - 9:31 pmDSM-SEA
9h 51m2 stops
United Airlines Logo
11:59 pm - 10:30 amSEA-DSM
8h 31m1 stop
$323United Airlines
Find Deal
Wed, May 7 - Sun, May 11
Delta Logo
5:46 pm - 11:39 pmDSM-SEA
7h 53m1 stop
Delta Logo
11:50 pm - 10:19 amSEA-DSM
8h 29m1 stop
$335Delta
Find Deal
Mon, Apr 28 - Thu, May 8
Southwest Logo
2:25 pm - 10:40 pmDSM-SEA
10h 15m1 stop
Southwest Logo
6:15 am - 9:30 pmSEA-DSM
13h 15m2 stops
$378Southwest
Find Deal
Sat, May 3 - Sat, May 10
Delta Logo
2:14 pm - 8:49 pmDSM-SEA
8h 35m1 stop
Delta Logo
12:40 am - 10:18 amSEA-DSM
7h 38m1 stop
$387Delta
Find Deal
Wed, Sep 24 - Sun, Sep 28
United Airlines Logo
1:45 pm - 9:43 pmDSM-SEA
9h 58m2 stops
United Airlines Logo
3:25 pm - 11:39 pmSEA-DSM
6h 14m1 stop
$402United Airlines
Find Deal
Sat, Apr 26 - Sat, May 3
Southwest Logo
6:30 pm - 12:50 amDSM-SEA
8h 20m2 stops
Southwest Logo
5:00 am - 12:50 pmSEA-DSM
5h 50m1 stop
$432Southwest
Find Deal
Thu, Jul 17 - Mon, Aug 4

Frontier flights from Des Moines to Seattle

Our best Frontier deals on Des Moines to Seattle flight tickets
Frontier
May 7
DSM7:30 pmDes Moines
6h 19m
1 stop
SEA11:49 pmSeattle/Tacoma Intl
May 11
SEA12:21 pmSeattle/Tacoma Intl
28h 09m
1 stop
DSM6:30 pmDes Moines
Frontier
Apr 25
DSM7:27 pmDes Moines
7h 17m
1 stop
SEA12:44 amSeattle/Tacoma Intl
Apr 28
SEA6:00 amSeattle/Tacoma Intl
10h 37m
1 stop
DSM6:37 pmDes Moines
Frontier
Apr 28
DSM7:27 pmDes Moines
7h 17m
1 stop
SEA12:44 amSeattle/Tacoma Intl
May 5
SEA6:00 amSeattle/Tacoma Intl
10h 30m
1 stop
DSM6:30 pmDes Moines

American Airlines flights from Des Moines to Seattle

Our best American Airlines deals on Des Moines to Seattle flight tickets
American Airlines
Apr 30
DSM5:05 amDes Moines
7h 49m
1 stop
SEA10:54 amSeattle/Tacoma Intl
May 3
SEA2:58 pmSeattle/Tacoma Intl
6h 55m
1 stop
DSM11:53 pmDes Moines
American Airlines
Apr 26
DSM2:37 pmDes Moines
7h 36m
1 stop
SEA8:13 pmSeattle/Tacoma Intl
May 3
SEA5:22 amSeattle/Tacoma Intl
9h 25m
1 stop
DSM4:47 pmDes Moines
American Airlines
May 13
DSM2:44 pmDes Moines
7h 38m
1 stop
SEA8:22 pmSeattle/Tacoma Intl
May 18
SEA5:22 amSeattle/Tacoma Intl
9h 15m
1 stop
DSM4:37 pmDes Moines

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, January 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 $371. If you don’t want to visit Seattle in January, then you should wait until September to fly from Des Moines, when ticket prices are also cheap, with an average price of $376.

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 10 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $464 when searching 10 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 $318 on momondo.

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

As of April 2025, prices for Des Moines to Seattle flights are approximately 19% 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

Best Price Found

$128

Fastest flight time

5h 56m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Des Moines in the past 72 hours is $128. The best round-trip flight deal from Des Moines to Seattle found on momondo in the last 72 hours is $250.
The fastest flight from Des Moines to Seattle takes 5h 56m
There are no direct flights from Des Moines to Seattle. Popular non-direct route for this connection is Des Moines Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • 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 56m, 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 $129Free CancellationRating
5.9
3,276 reviews
Search Frontier flights
DeltaPriceFrom $296Free CancellationRating
8.0
7,901 reviews
Search Delta flights
American AirlinesPriceFrom $296Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $321Free CancellationRating
7.4
8,618 reviews
Search United Airlines flights
SouthwestPriceFrom $356Free CancellationRating
8.0
4,276 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $486Free CancellationRating
8.0
9,836 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

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