Cheap Flights from Seattle to Sioux Falls from $484

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Flight deals from Seattle to Sioux Falls

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 $759. Find the lowest prices on one-way and return tickets right here.

Sioux Falls.$484 per passenger.Departing Tue, 28 Jul, returning Mon, 3 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 28 Jul, arriving in Sioux Falls.Inbound indirect flight with Frontier Airlines, departs from Sioux Falls on Mon, 3 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $484, select.

Sioux Falls.$552 per passenger.Departing Tue, 25 Aug, returning Sun, 30 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 25 Aug, arriving in Sioux Falls.Inbound indirect flight with Delta, departs from Sioux Falls on Sun, 30 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $552, select.

Sioux Falls.$693 per passenger.Departing Thu, 3 Sep, returning Tue, 8 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Thu, 3 Sep, arriving in Sioux Falls.Inbound indirect flight with Delta, departs from Sioux Falls on Tue, 8 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $693, select.

Sioux Falls.$717 per passenger.Departing Thu, 1 Oct, returning Thu, 8 Oct.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 1 Oct, arriving in Sioux Falls.Inbound indirect flight with United, departs from Sioux Falls on Thu, 8 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $717, select.

Sioux Falls.$760 per passenger.Departing Thu, 11 Jun, returning Wed, 17 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 11 Jun, arriving in Sioux Falls.Inbound indirect flight with Frontier Airlines, departs from Sioux Falls on Wed, 17 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $760, select.

Sioux Falls.$1,031 per passenger.Departing Thu, 2 Jul, returning Thu, 9 Jul.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 2 Jul, arriving in Sioux Falls.Inbound indirect flight with United, departs from Sioux Falls on Thu, 9 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,031, select.

Sioux Falls.$1,408 per passenger.Departing Wed, 23 Dec, returning Sun, 27 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 23 Dec, arriving in Sioux Falls.Inbound indirect flight with Delta, departs from Sioux Falls on Sun, 27 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,408, select.

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 August.

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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.

Sioux Falls

5km from central Sioux Falls

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from $483

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Seattle to Sioux Falls: Flight information

The things to know before you go.

Cheapest flight found	$484
Cheapest month to fly	July

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

How much are return flights from Seattle to Sioux Falls?

The best price we found for a return flight from Seattle to Sioux Falls is $483. 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.

Which airlines fly direct from Seattle to Sioux Falls?

Currently, there are no airlines that fly direct from Seattle to Sioux Falls. But we found flights with one stop from $484.

How many flights are there a week from Seattle to Sioux Falls?

As of May 2026, there are no flights flying from Seattle to Sioux Falls.

When is the cheapest time to fly from Seattle to Sioux Falls?

The cheapest month to fly from Seattle to Sioux Falls is usually July.

Which upcoming date is cheapest to fly from Seattle to Sioux Falls Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Sioux Falls Airport on Tuesday, 28 July 2026.

Can I get a direct flight from Seattle to Sioux Falls Airport?

No airlines currently offer direct flights between Seattle and Sioux Falls Airport. Most routes have one or more stops.

How can I find the best flight deal to Sioux Falls?

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.

When is the best time to book flights to Sioux Falls?

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.

Which is the cheapest airline to fly from Seattle to Sioux Falls with?

The cheapest airline that flies to Sioux Falls is Frontier Airlines .

Flying from Seattle to Sioux Falls Regional Airport (FSD): What you need to know

The timezone in Sioux Falls is UTC-6, which is two hours ahead of Seattle. Sioux Falls Regional Airport is located in Sioux Falls.
Your flight from Seattle to FSD won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.
With more people on the move during busy months like July, be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will help you deal with longer queues. Remember things also get busy during major holidays like Fourth of July.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

Located around 23 kilometres from the centre of Seattle, SEA can be reached in about 25 minutes by car, depending on traffic. The journey on public transport takes roughly 35 minutes.
Want an easy start to your trip? Stay near Seattle-Tacoma International Airport. Whether you have an early flight from Seattle to Sioux Falls Regional Airport or aren't a fan of being rushed, these hotels are just what you're after:
Seattle-Tacoma International Airport has an excellent on-time record, reducing the likelihood of delays. Departures from SEA land at their destination as scheduled 80% of the time.

Seattle Paine Field International Airport (PAE)

You can get to PAE from central Seattle in about 40 minutes by car (depending on traffic conditions). The ride by public transport will take roughly 1 hour 30 minutes to travel the 40 kilometres or so.
Want to treat yourself to an extra night away before catching your Seattle to FSD flight? Check in to a hotel near Seattle Paine Field International Airport before your break officially starts. These stays have your key waiting:
The majority of flights that depart Seattle Paine Field International Airport arrive at their destination within the expected time frame. It boasts a strong on-time performance rate of 80%.

About Sioux Falls Regional Airport (FSD)

Consider booking a hotel close to FSD if you have a late flight from Seattle to Sioux Falls Regional Airport. Check in to one of these options and avoid the hassle of a long transfer:
To lock in the lowest price, book your vehicle around two weeks ahead of your Seattle to Sioux Falls Regional Airport flight.
FSD is located at 2801 Jaycee Lane.

Getting from Sioux Falls Regional Airport (FSD) to central Sioux Falls

Sioux Falls Regional Airport is around 10 kilometres from the centre of Sioux Falls. It takes around 15 minutes or so to drive to the city.
It typically takes 35 minutes if you're travelling by public transport.

How to find the cheapest flights from Seattle to Sioux Falls Regional Airport (FSD)

$235 is the lowest price for a one-way ticket from Seattle to Sioux Falls Regional Airport. A return flight starts from $484. These prices may change depending on availability and demand.
Don't leave everything to the last moment. You're more likely to find cheap flights from Seattle to FSD if you book in advance. Airlines often offer some fantastic early bird discounts.
Cheap Seattle to Sioux Falls Regional Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' search tool to compare fares across each month and then pick the cheapest day.
Snapping up a cheap plane ticket from Seattle to FSD is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.
Save money on your flight from Seattle to Sioux Falls Regional Airport by using the search filters. Select your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Seattle to Sioux Falls Regional Airport (FSD)

September is the quietest month for flights from Seattle to Sioux Falls Regional Airport (FSD), while March is the busiest. Work out the ideal time to visit Sioux Falls based on whether you like a laid-back vibe or a lively atmosphere.
When booking your Seattle to FSD plane ticket, consider the kind of weather you prefer. July is the warmest month in Sioux Falls, with temperatures ranging from 14ºC to 31ºC.
If you want to travel in cooler conditions, look for a cheap ticket from Seattle to Sioux Falls Regional Airport in January when temperatures are between -17ºC and 0ºC.

More about Sioux Falls

When it comes to searching for somewhere to rest your head, you'll find the best stays in Sioux Falls right here. Explore these hotels as soon as you've locked in your flight from Seattle to Sioux Falls Regional Airport:
All great holidays should include a little sightseeing. Great Plains Zoo and Delbridge Museum of Natural History, Waterfalls and Japanese Gardens are must-visits when exploring Sioux Falls.

Explore more of the United States

Sioux Falls is always a good idea, but there are so many other corners of the United States waiting to be discovered. About 274 kilometres south of Sioux Falls, a visit to Omaha will keep you on the go. Start with attractions like Kiewit Luminarium, OUR BODY: The Universe Within and Orpheum Theatre.
If you're ready to explore another major stop in the United States, head for Sioux City, roughly 121 kilometres south of Sioux Falls. The Mid America Museum of Aviation & Transportation, Cathedral of the Epiphany and Stone State Park are key highlights.