Cheap flight tickets from Seattle to Des Moines

Compare Seattle to Des Moines flight deals

Find the cheapest month or even day of the year to fly to Des Moines

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Flight deals from Seattle to Des Moines

Looking for a cheap last-minute deal or the best return flight from Seattle to Des Moines Airport? If you want to travel next month, return fares start from RM1,098. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Des Moines

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Des Moines flights are currently cheapest in August.

Seattle to Des Moines: Alternative routes

Compare routes from Seattle to Des Moines below. You may find an airport to fly into that's cheaper, faster, or easier than Des Moines.

Seattle to Des Moines: Flight information

The things to know before you go.
Cheapest flight foundRM494
Cheapest month to flyAugust

Finding cheap flights from Seattle to Des Moines: Frequently asked questions

The best price we found for a return flight from Seattle to Des Moines is RM1,054. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Des Moines. But we found flights with one stop from RM1,054.
As of June 2026, there are no flights flying from Seattle to Des Moines.
The cheapest month to fly from Seattle to Des Moines is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Des Moines Airport on Wednesday, 12 August 2026.
No airlines currently offer direct flights between Seattle and Des Moines Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Des Moines but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Des Moines is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Des Moines is Delta .

Flying from Seattle to Des Moines International Airport (DSM): What you need to know

  • The timezone in Des Moines is UTC-6, which is two hours ahead of Seattle. Des Moines International Airport is located in Des Moines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport on time to catch your flight from Seattle to DSM.

  • If you're going away during a popular month like July, head to the airport even earlier. It's wise to arrive up to four hours before an international flight and two hours ahead of a domestic departure. Security lines will be longer during peak periods like Christmas and New Year.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Located around 23 kilometres from central Seattle, SEA can be reached in about 25 minutes by car (depending on traffic). The journey on public transport is roughly 35 minutes.

  • Planning to catch an early flight from Seattle to Des Moines International Airport? Avoid the hassle of rushing to the terminal (and get some extra shut-eye) by picking one of these stays near Seattle-Tacoma International Airport:

  • Seattle-Tacoma International Airport has an excellent on-time record, so you're unlikely to face delays. Departures from SEA arrive at their destination as scheduled 80% of the time.

Seattle Paine Field International Airport (PAE)

  • Using public transport, you can travel from central Seattle to PAE in around 1 hour 30 minutes. The airport is roughly 40 kilometres away, and getting there by car will take approximately 40 minutes.

  • Catching the earliest flight? Think about staying at one of these hotels near Seattle Paine Field International Airport the day before your Seattle to DSM flight:

  • The majority of flights that depart Seattle Paine Field International Airport reach their destination right on cue. It achieves a consistent on-time performance rate of 80%.

About Des Moines International Airport (DSM)

Getting from Des Moines International Airport (DSM) to central Des Moines

  • Central Des Moines is around 11 kilometres from Des Moines International Airport and takes about 15 minutes to reach by car. Explore your options for getting into the city, whether that's with a car hire, taxi or ride-share.

  • It'll take around 30 minutes if you're travelling by public transport.

How to find the cheapest flights from Seattle to Des Moines International Airport (DSM)

  • RM494 is the best price for a one-way ticket from Seattle to Des Moines International Airport. A return flight starts from RM1,054. These fares can change depending on availability.

  • To find cheap flights from Seattle to DSM, book ahead. Airlines typically offer the most competitive fares when flights are first released.

  • If you have some flexibility with your travel plans, use the 'Whole month' tool. It'll show you the cheapest price across the month when searching for your Seattle to Des Moines International Airport ticket.

  • Never miss a deal on plane tickets from Seattle to DSM by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Filters make it easier to save some cash on your flight from Seattle to Des Moines International Airport. Choose the departure times, carriers and stops that check all your boxes. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Seattle to Des Moines International Airport (DSM)

  • December is the quietest month for flights from Seattle to Des Moines International Airport (DSM), while July is the busiest. Work out the best time to visit Des Moines based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Des Moines is July, with temperatures ranging between 15ºC (59ºF) and 31ºC (88ºF). Book your Seattle to DSM plane ticket then if you enjoy this type of weather.

  • Search for cheap tickets from Seattle to Des Moines International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -13ºC (9ºF) and 2ºC (36ºF).

More about Des Moines

Explore more of the United States

  • Kansas City is just one of the many places in the United States waiting to be discovered once you've seen the sights of Des Moines. Around 290 kilometres away to the south, popular attractions include National WWI Museum and Memorial, LEGOLAND Discovery Centre and Union Station - 2017.

  • Around 193 kilometres west of Des Moines, Omaha is another favourite stop in the United States. Experience this destination's highlights firsthand at Kiewit Luminarium, OUR BODY: The Universe Within and Orpheum Theatre.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.