Flights from Chicago to Rapid City Starting at £135

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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Cheapest flights

From price

9 16
16 23
23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Chicago (CHI) to Rapid City (RAP) the cheapest?

Airlines adjust prices for flights from Chicago to Rapid City based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Chicago (CHI) to Rapid City (RAP) cost?

According to Trip.com's data, the lowest price is around £288.
What is the transportation method from the main airport to downtown in Rapid City?
- The distance from Rapid City Regional Airport to downtown is about 14km, by taxi about 30 minutes.
What's the most popular airline for direct flights from Chicago (CHI) to Rapid City (RAP)?

American Airlines operates 1 direct flights from Chicago (CHI) to Rapid City (RAP).
How many airports in Rapid City (RAP)?

There are 1 airport(s) in Rapid City (RAP): Rapid City Regional Airport.

How to find a cheap flight from Chicago to Rapid City

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to Rapid City. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest flight from Chicago to Rapid City.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Chicago to Rapid City over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Mon, May 12, with one-way flights priced at just £178.

Compare cheap flight deals from Chicago to Rapid City across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Chicago to Rapid City. The cheapest airline for this route is American Airlines.

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Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Chicago to Rapid City and snag some exclusive deals just for you.

Flight Information from Chicago to Rapid City

Cheapest direct flight price	£135
Cheapest return ticket price	£203
Off-season travel month	March
Peak season for travel	December
Flight distance	1,274.95km
Popular airline	Delta Air Lines