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Cheap flight tickets from Des Moines to Seattle

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Compare Des Moines to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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Flight deals from Des Moines to Seattle

Looking for a cheap last-minute deal or the best return flight from Des Moines to Seattle? Find the lowest prices on one-way and return tickets right here.
Seattle.RM1,320 per passenger.Departing Wed, 2 Apr, returning Mon, 7 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Des Moines on Wed, 2 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 7 Apr, arriving in Des Moines.Price includes taxes and charges.From RM1,320, select.
Seattle.RM1,486 per passenger.Departing Thu, 20 Mar, returning Sat, 29 Mar.Return flight with United.Outbound indirect flight with United, departs from Des Moines on Thu, 20 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sat, 29 Mar, arriving in Des Moines.Price includes taxes and charges.From RM1,486, select.
Seattle.RM1,512 per passenger.Departing Sat, 26 Apr, returning Thu, 1 May.Return flight with United.Outbound indirect flight with United, departs from Des Moines on Sat, 26 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 1 May, arriving in Des Moines.Price includes taxes and charges.From RM1,512, select.
Seattle.RM1,580 per passenger.Departing Thu, 1 May, returning Tue, 6 May.Return flight with United.Outbound indirect flight with United, departs from Des Moines on Thu, 1 May, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 6 May, arriving in Des Moines.Price includes taxes and charges.From RM1,580, select.
Seattle.RM1,776 per passenger.Departing Wed, 21 May, returning Tue, 24 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Des Moines on Wed, 21 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 24 Jun, arriving in Des Moines.Price includes taxes and charges.From RM1,776, select.
Seattle.RM1,797 per passenger.Departing Sat, 6 Sep, returning Mon, 15 Sep.Return flight with United.Outbound indirect flight with United, departs from Des Moines on Sat, 6 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Mon, 15 Sep, arriving in Des Moines.Price includes taxes and charges.From RM1,797, select.
Seattle.RM1,804 per passenger.Departing Wed, 30 Jul, returning Tue, 5 Aug.Return flight with United.Outbound indirect flight with United, departs from Des Moines on Wed, 30 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 5 Aug, arriving in Des Moines.Price includes taxes and charges.From RM1,804, select.
Seattle.RM1,805 per passenger.Departing Fri, 15 Aug, returning Sun, 17 Aug.Return flight with United.Outbound indirect flight with United, departs from Des Moines on Fri, 15 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sun, 17 Aug, arriving in Des Moines.Price includes taxes and charges.From RM1,805, select.

Find the cheapest month to fly from Des Moines to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Des Moines to Seattle flights are currently cheapest in April.
Feb
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Mar
from RM1,486
Apr
from RM1,320
May
from RM1,580
Jun
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Jul
from RM1,895
Aug
from RM1,805
Sep
from RM1,797
Oct
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Nov
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Dec
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Jan
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Alternative Des Moines to Seattle routes

Looking for the cheapest, fastest or easiest route from Des Moines to Seattle? You could fly into the following airports instead.

Des Moines to Seattle: Flight information

The things to know before you go.
Cheapest flight foundRM1,320
Cheapest month to flyApril

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

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Des Moines to Seattle is RM1,320. 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 Des Moines to Seattle. But we found flights with one or more stops from RM1,320.
As of February 2025, there are no flights flying from Des Moines to Seattle.
The cheapest month to fly from Des Moines to Seattle is usually February 2025.
If you're flying from Des Moines Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from RM1,320.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Des Moines Airport to Seattle on Wednesday, 2 April 2025.
No airlines currently offer direct flights between Des Moines Airport and Seattle. 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 Seattle 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 Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 4°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Delta offers the cheapest flight tickets to Seattle.

Travelling from Des Moines International Airport (DSM) to Seattle: what you need to know

  • Des Moines International Airport is located in Des Moines. Operating on the UTC-7 timezone, Seattle is 2 hours behind Des Moines.

  • To ensure you catch your flight from DSM to Seattle, leave plenty of time to check in and drop off your luggage. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • If you're travelling during a peak month like July, arrive at the terminal even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of domestic departures. Expect lines to be longer during holiday periods like Thanksgiving, Christmas and New Year.

  • After booking your cheap tickets from Des Moines International Airport to Seattle, get your travel documents ready. A visa or passport isn't required since you're travelling within United States. As long as you have some other valid proof of identity, such as a driver's licence or an ID card, you're all set.

  • DSM is around 10 kilometres from central Des Moines. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 14 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the journey time to be approximately 43 minutes.

  • Want a relaxed start to your journey? Stay near DSM. Whether you're taking an early flight from Des Moines International Airport to Seattle or just don't like being rushed, these hotels are just the thing:

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

  • RM742 is the lowest price for a one-way ticket from Des Moines International Airport to Seattle. A return flight starts at RM1,320. These prices may change based on demand and availability.

  • It's usually smart to book early if you're hoping to get cheap tickets from DSM to Seattle. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • If you can be flexible with your travel dates, try using the 'Whole month' tool. It'll show you the lowest price across every month when looking for a ticket from Des Moines International Airport to Seattle.

  • Sign into your online account or use the app to set up a Price Alert. You'll be notified straight away if there's a cheaper deal on this route. It's easy to do, and it'll save you from searching for cheap tickets from DSM to Seattle every day.

  • Play around with the filters to find your ideal trip. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Des Moines International Airport to Seattle, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • July is the most popular month for flights from Des Moines International Airport to Seattle. To skip the crowds, plan your trip to Seattle in May when things are quieter.

  • Book your flight from Des Moines International Airport to Seattle for August to experience the city during its warmest month. You can expect temperatures to range from 12ºC to 28ºC.

  • For cooler conditions, look for a cheap flight from DSM to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Seattle right here. Check out these options once you've locked in your flight from Des Moines International Airport to Seattle:

  • All great adventures should include a little sightseeing. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are attractions you won't want to skip in Seattle.

Complete your Seattle trip with a car rental

  • Choose one of our car rentals in Seattle and see the sights at your own pace. Easily compare rates in one go to find your perfect ride after booking your hotel and cheap flights from Des Moines International Airport to Seattle.

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Plan the rest of your trip from Des Moines to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.