Cheap Flights from Des Moines to Seattle / Tacoma International

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      Compare Des Moines to Seattle / Tacoma International flight deals

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

      Book the best Seattle / Tacoma International fare with no extra fees

      Flight deals from Des Moines to Seattle / Tacoma International

      Looking for a cheap last-minute deal or the best return flight from Des Moines Airport to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from R 4,674. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Des Moines to Seattle / Tacoma International

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

      Des Moines to Seattle / Tacoma International: Alternative routes

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

      Des Moines to Seattle: Flight information

      The things to know before you go.
      Cheapest flight foundR 2,050
      Cheapest month to flyOctober

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

      The best price we found for a return flight from Des Moines to Seattle / Tacoma International is R 4,336. 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 / Tacoma International. But we found flights with one or more stops from R 4,320.
      As of September 2026, there are no flights flying from Des Moines to Seattle / Tacoma International.
      The cheapest month to fly from Des Moines to Seattle / Tacoma International is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Des Moines Airport to Seattle / Tacoma International Airport on Monday, 21 September 2026.
      No airlines currently offer direct flights between Des Moines Airport and Seattle / Tacoma International 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 Seattle / Tacoma International 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.

      Currently, Frontier Airlines offers the cheapest flight tickets to Seattle / Tacoma International.

      Flying from Des Moines Airport (DSM) to Seattle / Tacoma International Airport (SEA): what you need to know

      • The timezone in Seattle is UTC-8, which is two hours behind Des Moines.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Make sure you're at the airport on time to board your DSM to SEA flight.

      • During popular months like August, it's a good idea to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a peak period in general.

      • We make it a cinch to book a flight with a stopover. To see your options for tickets from Des Moines Airport to Seattle / Tacoma International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit your chosen city. Stopovers between DSM and SEA include:

        • Denver International Airport

        • Minneapolis St Paul Airport

        • Portland Airport

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

      • The lowest price we've seen for a one-way Des Moines Airport to Seattle / Tacoma International Airport flight is R 2,050. A round-trip plane ticket right now is R 4,336. Depending on the availability and when you book, these fares could change.

      • To score cheap tickets from DSM to SEA, book ahead. Airlines usually offer their best fares when flights are first released.

      • If you're willing to be flexible with your trip dates, try using the 'Whole month' search tool. It'll show you the lowest price in every month when searching for your flight from Des Moines Airport to Seattle / Tacoma International Airport.

      • Save time looking for cheap flights from DSM to SEA by setting up a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

      • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Des Moines Airport to Seattle / Tacoma International Airport.

      Handy information about Des Moines Airport (DSM)

      • The address for DSM is 5800 Fleur Drive, Suite 201.

      • 77% of flights that leave from Des Moines Airport make it to their destination on schedule.

      • Des Moines Airport is around 11 kilometres from central Des Moines. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.

      • Expect a journey time of about 30 minutes on public transport.

      • Get your trip off to a leisurely start by staying near DSM. Whether you have an early flight from Des Moines Airport to Seattle / Tacoma International Airport or just don't like being rushed, these hotels are ideal:

      Arriving at Seattle / Tacoma International Airport (SEA)

      When to fly to Seattle / Tacoma International Airport (SEA)

      • The quietest month for a flight from Des Moines Airport to Seattle / Tacoma International Airport is March, while July is the busiest. Choose the ideal time to go to Seattle based on whether you prefer a more relaxed vibe or a faster pace.

      • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Book your flights from Des Moines Airport to Seattle / Tacoma International Airport in this month if this is the kind of weather you like.

      • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for cheap tickets from DSM to SEA around that time if you'd rather travel in cooler conditions.

      Explore more of the United States

      • You've seen Seattle, now it's time to explore other corners of the United States. Journey around 241 kilometres south to Portland to tick off its popular sights. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you've got a jam-packed schedule ahead.

      • If you want to check out another major stop in the United States, head for Spokane, about 370 kilometres east of Seattle. Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes are highlights.

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