$166 Flights from Rapid City Regional (RAP) to Sioux Falls (FSD)

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Flight deals from Rapid City Regional to Sioux Falls

Looking for a cheap last-minute deal or the best round-trip flight from Rapid City Regional to Sioux Falls? Find the lowest prices on one-way and round-trip tickets right here.

Sioux Falls.$166 per passenger.Departing Wed, Jan 21.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departing from Rapid City Regional on Wed, Jan 21, arriving in Sioux Falls.Price includes taxes and charges.From $166, select.

Sioux Falls.$236 per passenger.Departing Sat, Feb 21.One-way flight with United.Outbound indirect flight with United, departing from Rapid City Regional on Sat, Feb 21, arriving in Sioux Falls.Price includes taxes and charges.From $236, select.

Sioux Falls.$237 per passenger.Departing Thu, Sep 10.One-way flight with Delta.Outbound indirect flight with Delta, departing from Rapid City Regional on Thu, Sep 10, arriving in Sioux Falls.Price includes taxes and charges.From $237, select.

Find the cheapest month to fly from Rapid City Regional to Sioux Falls

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

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Direct flights from Rapid City Regional to Sioux Falls

Rapid City Regional to Sioux Falls: Alternative routes

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

Rapid City to Sioux Falls: Flight information

The things to know before you go.

Cheapest flight found	$166
Cheapest month to fly	January
Average flight time	1 hr, 21 mins
Most popular airline	Empire Airlines
Average flights per week	5

Finding cheap flights from Rapid City Regional to Sioux Falls: Frequently asked questions

How much are round-trip flights from Rapid City Regional to Sioux Falls?

The best price we found for a round-trip flight from Rapid City Regional to Sioux Falls is $258. 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.

How long does it take to fly from Rapid City Regional to Sioux Falls?

1 hour and 21 minutes is the average flight time from Rapid City Regional to Sioux Falls.

Which airlines fly direct from Rapid City Regional to Sioux Falls?

Empire Airlines flies direct from Rapid City Regional to Sioux Falls.

How many flights are there a week from Rapid City Regional to Sioux Falls?

There are 5 flights per week flying from Rapid City Regional to Sioux Falls, as of January 2026.

When is the cheapest time to fly from Rapid City Regional to Sioux Falls?

The cheapest month to fly from Rapid City Regional to Sioux Falls is usually January.

Which upcoming date is cheapest to fly from Rapid City Regional Airport to Sioux Falls Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rapid City Regional Airport to Sioux Falls Airport on Thursday, January 22, 2026.

Can I get a direct flight from Rapid City Regional Airport to Sioux Falls Airport?

Yes – the average flight time is 1 hour and 21 minutes.

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 with from Rapid City Regional Airport to Sioux Falls?

Currently, United offers the cheapest flight tickets to Sioux Falls.

Traveling from Rapid City Regional Airport (RAP) to Joe Foss Field Airport (FSD): what you need to know

Your RAP to FSD flight won't wait if you're running 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 flying internationally.
Be prepared for bigger queues during popular months like August. Arriving up to four hours in advance for an international flight and two hours for domestic departures will help ensure a smooth travel experience.
If you'd like to split up your journey, just uncheck 'Direct flights only' when searching for your ticket from Rapid City Regional Airport to Joe Foss Field Airport. These are the top stopovers between RAP and FSD:
- Denver International Airport
- Minneapolis-St. Paul International Airport
- Dallas/Fort Worth International Airport

How to find the cheapest flights from Rapid City Regional Airport (RAP) to Joe Foss Field Airport (FSD)

$166 is the best price for a one-way Rapid City Regional Airport to Joe Foss Field Airport flight. A return flight starts from $258. These prices may change based on availability.
To find cheap tickets from RAP to FSD, book ahead. Airlines tend to offer lower prices when flights are first made available.
If you're flexible with your travel plans, use the 'Whole month' search tool. It'll show you the lowest price in every month when searching for a flight from Rapid City Regional Airport to Joe Foss Field Airport.
You won't have to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll send you an update as soon as the price changes on cheap flights from RAP to FSD.
Secure the perfect flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Rapid City Regional Airport to Joe Foss Field Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Rapid City Regional Airport (RAP)

You'll find RAP at 4550 Terminal Road, Suite 102.
77.55% of flights that depart Rapid City Regional Airport land at their destination on schedule.
Rapid City Regional Airport is around 11 miles from central Rapid City. If you're driving, ride-sharing or catching a cab from the center, it'll take you 20 minutes or so to get there, depending on the traffic.
Spending the night in a hotel can take the hassle out of reaching the airport on time. If you need somewhere to stay before your flight from Rapid City Regional Airport to Joe Foss Field Airport, have a look at La Quinta Inn & Suites by Wyndham Rapid City. It's a short ride from RAP.

Arriving at Joe Foss Field Airport (FSD)

The last thing you want is a long trip to your hotel if you're arriving on a late Rapid City Regional Airport to Joe Foss Field Airport flight. Book one of these accommodation options near FSD instead:
Travel at your own pace with a Joe Foss Field Airport rental car. Pick up your wheels from Alamo, Hertz or Enterprise and venture far and wide through Sioux Falls and beyond.
Reserving your ride from Joe Foss Field Airport around two weeks ahead boosts your odds of scoring a great price.

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

You'll find FSD at 2801 Jaycee Lane.
Joe Foss Field Airport to the center of Sioux Falls has a drive time of about 10 minutes. It's approximately 3 miles away.
It takes roughly 1 hour 35 minutes to get there using public transport.

When to fly to Joe Foss Field Airport (FSD)

The quietest month for a flight from Rapid City Regional Airport to Joe Foss Field Airport is April, while January is the busiest. Pick the ideal time to visit Sioux Falls based on whether you prefer a more fast-paced or easygoing experience.
When booking your flight from Rapid City Regional Airport to Joe Foss Field Airport, think about the kind of weather you like. July is the warmest month in Sioux Falls, with the temperature ranging from 57ºF to 88ºF.
January has average temperatures of between 1ºF and 32ºF. Look for cheap tickets from RAP to FSD sometime then if you'd rather travel in cooler conditions.

Explore more of United States

You've done Sioux Falls, now it's time to explore other corners of United States. Journey around 160 miles south to Omaha to check off its popular sights. From Old Market to Bob Kerrey Pedestrian Bridge and Heartland of America Park, you'll have a full itinerary ahead.
If you want to check out another great destination in United States, head for Minneapolis, about 200 miles north-east of Sioux Falls. Walker Art Center, Minneapolis Institute of Arts and Minneapolis Sculpture Garden are key reasons to visit.