Cheap Flights from Washington Ronald Reagan Airport to South Dakota from $367 Return

Flight deals from Washington Ronald Reagan Airport to South Dakota

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

Sioux Falls.$237 per passenger.Departing Thu, 20 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Thu, 20 Nov, arriving in Sioux Falls.Price includes taxes and charges.From $237, select.

Rapid City.$569 per passenger.Departing Mon, 13 Oct.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Mon, 13 Oct, arriving in Rapid City Regional.Price includes taxes and charges.From $569, select.

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Flying from Washington Ronald Reagan Airport to South Dakota

Arm yourself with these facts on the fly.

Cheapest flight found	$237
Cheapest month to fly	November

How to find cheap flights from Washington Ronald Reagan 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 Washington Ronald Reagan Airport to South Dakota. Other savvy travellers recently found return flights from $367 and one-way tickets from $237. 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 Washington Ronald Reagan 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 Washington Ronald Reagan 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 Washington Ronald Reagan 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 Washington Ronald Reagan Airport to South Dakota?

There are currently no direct flights from Washington Ronald Reagan 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 Washington Ronald Reagan Airport to South Dakota?

We looked at all of the upcoming return flights from Washington Ronald Reagan Airport to South Dakota we could find over the next 12 months. It looks like $367 is the best price. This is good, compared to the average South Dakota ticket price of $1,054.

What is the cheapest month to fly from Washington Ronald Reagan Airport to South Dakota?

The cheapest month to fly from Washington Ronald Reagan Airport to Sioux Falls Airport is currently October.
The cheapest month to fly from Washington Ronald Reagan Airport to Pierre Airport is currently October.
The cheapest month to fly from Washington Ronald Reagan Airport to Rapid City Regional Airport is currently February.
And the cheapest month to fly from Washington Ronald Reagan Airport to Watertown Airport is usually October.

Which upcoming date is cheapest to fly from Washington Ronald Reagan Airport to South Dakota on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington Ronald Reagan Airport to South Dakota on Sunday, 26 October 2025.

If I'm flying from Washington Ronald Reagan Airport, where in South Dakota is cheapest to fly into?

If you're flying from Washington Ronald Reagan, the cheapest city in South Dakota to fly into is Sioux Falls. The cheapest airport serving Sioux Falls at the moment is Sioux Falls.