Cheap Flights from Seattle / Tacoma International Airport to South Dakota from £214 Return

Flight deals from Seattle / Tacoma International Airport to South Dakota

Looking for cheap tickets from Seattle / Tacoma International Airport to South Dakota, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Rapid City.£214 per passenger.Departing Thu, 16 Oct, returning Mon, 20 Oct.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 16 Oct, arriving in Rapid City Regional.Inbound indirect flight with United, departs from Rapid City Regional on Mon, 20 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £214, select.

Sioux Falls.£217 per passenger.Departing Sat, 1 Nov, returning Sat, 8 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Sat, 1 Nov, arriving in Sioux Falls.Inbound indirect flight with Delta, departs from Sioux Falls on Sat, 8 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £217, select.

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Flying from Seattle / Tacoma International Airport to South Dakota

Arm yourself with these facts on the fly.

Cheapest flight found	£214
Cheapest month to fly	October

How to find cheap flights from Seattle / Tacoma International Airport to South Dakota

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Seattle / Tacoma International Airport to South Dakota. Other savvy travellers recently found return flights from £214 and one-way tickets from £99. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in October

The cheapest time to fly from Seattle / Tacoma International Airport to South Dakota is currently October.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Seattle / Tacoma International Airport to anywhere you choose in South Dakota.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Seattle / Tacoma International Airport to your chosen airport in South Dakota go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the South Dakota Airport to South Dakota flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Seattle / Tacoma International Airport to South Dakota?

There are currently no direct flights from Seattle / Tacoma International Airport to South Dakota, but we've found some other routes to United States – check them out now.

What is the average price of a flight from Seattle / Tacoma International Airport to South Dakota?

We looked at all of the upcoming return flights from Seattle / Tacoma International Airport to South Dakota we could find over the next 12 months. It looks like £214 is the best price. This is good, compared to the average South Dakota ticket price of £216.

What is the cheapest month to fly from Seattle / Tacoma International Airport to South Dakota?

The cheapest month to fly from Seattle / Tacoma International Airport to Rapid City Regional Airport is currently October.
The cheapest month to fly from Seattle / Tacoma International Airport to Sioux Falls Airport is usually November.

Which upcoming date is cheapest to fly from Seattle / Tacoma International Airport to South Dakota on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle / Tacoma International Airport to South Dakota on Thursday, 16 October 2025.

If I'm flying from Seattle / Tacoma International Airport, where in South Dakota is cheapest to fly into?

If you're flying from Seattle / Tacoma International, the cheapest city in South Dakota to fly into is Rapid City. The cheapest airport serving Rapid City at the moment is Rapid City Regional.