Cheap flight tickets from Seattle to Sioux Falls

Compare Seattle to Sioux Falls flight deals

Find the cheapest month or even day of the year to fly to Sioux Falls

Book the best Sioux Falls fare with no extra fees

Flight deals from Seattle to Sioux Falls Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Sioux Falls Airport? If you want to travel next month, return fares start from RM821. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Sioux Falls

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

Seattle to Sioux Falls: Alternative routes

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

Seattle to Sioux Falls: Flight information

The things to know before you go.
Cheapest flight foundRM820
Cheapest month to flyApril

Finding cheap flights from Seattle to Sioux Falls: Frequently asked questions

The best price we found for a return flight from Seattle to Sioux Falls is RM821. 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 Sioux Falls. But we found flights with one stop from RM821.
As of March 2026, there are no flights flying from Seattle to Sioux Falls.
The cheapest month to fly from Seattle to Sioux Falls is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Sioux Falls Airport on Thursday, 16 April 2026.
No airlines currently offer direct flights between Seattle and Sioux Falls 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 Sioux Falls 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 Sioux Falls is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Sioux Falls is Frontier Airlines .

Flying from Seattle to Joe Foss Field Airport (FSD): What you need to know

  • Start your adventure at Seattle-Tacoma International Airport (SEA), the main airport in Seattle. Search for flights from Seattle to Joe Foss Field Airport (FSD) that jet out of this terminal.

  • The timezone in Sioux Falls is UTC-5, which is two hours ahead of Seattle. Joe Foss Field Airport is located in Sioux Falls.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your flight from Seattle to FSD.

  • High season means busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stick to your schedule.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Travelling from central Seattle to SEA takes about 55 minutes by public transport. If you ride-share, drive or get a cab, you'll cover the 23 kilometres in 20 minutes or so, depending on traffic.

  • Want a stress-free start to your journey? Stay near Seattle-Tacoma International Airport. Whether you've booked an early flight from Seattle to Joe Foss Field Airport or aren't a fan of being rushed, these hotels are the ideal choice:

  • 81.27% of flights leaving Seattle-Tacoma International Airport reach their destination as planned. With its strong performance rating, delays are unlikely when setting off from SEA.

Lake Union Sea Plane Base Airport (LKE)

  • You can reach LKE from the centre of Seattle in about 10 minutes by car (depending on traffic). The ride on public transport will take roughly 25 minutes to travel the 3 kilometres or so.

  • Flying off with the first light? You might like to check in to one of these hotels near Lake Union Sea Plane Base Airport the day before your Seattle to FSD flight:

About Joe Foss Field Airport (FSD)

Getting from Joe Foss Field Airport (FSD) to central Sioux Falls

  • Joe Foss Field Airport is around 5 kilometres from central Sioux Falls. How long it'll take to get to the centre in a cab or car hire depends on the time of day. Do some research before your trip.

  • It takes around 1 hour 35 minutes when travelling by public transport.

How to find the cheapest flights from Seattle to Joe Foss Field Airport (FSD)

  • Currently, RM915 is the best price we've found for a one-way ticket from Seattle to Joe Foss Field Airport. The cheapest price for a return flight is RM821. Remember fares may change due to availability at the time of booking.

  • To pick up cheap flights from Seattle to FSD, book in advance. Airlines generally offer the most competitive fares when flights are first released.

  • The 'Whole month' tool will show you the cheapest Seattle to Joe Foss Field Airport tickets across the month. It's a great way to snap up a bargain if your dates aren't set in stone.

  • Snapping up a cheap plane ticket from Seattle to FSD is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when the price has dropped.

  • Tailor your trip using filters. Select your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Seattle to Joe Foss Field Airport.

The best time to fly from Seattle to Joe Foss Field Airport (FSD)

  • October is the busiest month for flights from Seattle to Joe Foss Field Airport (FSD). Plan your visit to Sioux Falls in April for a quieter experience.

  • When booking your Seattle to FSD plane ticket, consider the type of weather you enjoy. July is the warmest month in Sioux Falls, with temperatures ranging from 14ºC (57ºF) to 31ºC (88ºF).

  • If you want cooler conditions, search for a cheap ticket from Seattle to Joe Foss Field Airport in January when temperatures are between -17ºC (1ºF) and 0ºC (32ºF).

More about Sioux Falls

Explore more of the United States

  • Sioux Falls has its own special appeal, but there are so many other corners of the United States waiting to be explored. About 274 kilometres south of Sioux Falls, a visit to Omaha will keep you on the go. Don't miss top attractions like Kiewit Luminarium, Suzanne & Walter Scott Aquarium and OUR BODY: The Universe Within.

  • Sioux City is another well-known destination in the United States and is around 121 kilometres south of Sioux Falls. No trip is complete without dropping by The Mid America Museum of Aviation & Transportation, Cathedral of the Epiphany and Fourth Street Historic District.

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