Cheap Flights to Keystone , SD

Popular airlines to Keystone

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save on select hotels after you book a flight*
  • trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

How do I find cheap flights to Keystone that have flexible change policies?
It's as easy as 1-2-3 with Expedia. Step 1: Type in your preferred travel dates and hit "Search." Second step: Check "No change fee" underneath the "Flexible change policies" filter to the left of your screen. Step 3. Nab a flexible and cheap airfare to Keystone.
Which airlines fly to Keystone?
Figure out your travel dates and then touch down in or near Keystone with one of these quality airlines:

  • United Airlines - 173 flights to or near Keystone each month, including 173 flights to Rapid City Regional Airport (RAP) per month.
  • Delta Air Lines - 86 flights to or near Keystone each month, including 86 flights to Rapid City Regional Airport (RAP) per month.
  • American Airlines - 69 flights to or near Keystone each month, including 69 flights to Rapid City Regional Airport (RAP) per month.

How can I find cheap tickets to Keystone?
You'll always score an amazing deal with Expedia, but our "flexible dates" search function makes it that much easier. Enter your preferred travel date, then click on the flexible dates box above to see a list of prices for nearby days. was the cheapest price for a flight to Keystone in the last seven days.
How much is a flight to Keystone?
There were plenty of cheap fares up for grabs in the last seven days, with the price of a return flight to Keystone ranging between and . Many lucky vacationers purchased one-way flights from () for as low as .
What are the most popular airports to fly into in Keystone?
The principal gateway to Keystone, about 351 flights touch down at Rapid City Regional Airport (RAP) every month. Search for the best deal, reserve your fare and prepare to enjoy the best of this renowned region.
When is the cheapest time to fly to Keystone?
If you'd prefer to spend your money experiencing Keystone rather than on your journey there, leave earlier in the week. The most affordable day to fly is usually Tuesday, followed by Monday. With many folks traveling on weekends, Saturday tends to have the most expensive ticket prices.
How much is a plane ticket to Keystone?
In the last seven days, seats to Keystone ranged between and . Prices tend to go up over time, so find a good deal today.
What months are the cheapest to book a flight to Keystone?
The perfect month to book well-priced flights to Keystone is February. It's worth noting that in the United States, the most expensive time to book a ticket is during the busy month of December.
How long is a flight to Keystone?
It could take you an hour or two or longer — it depends on which part of the U.S. You're taking off from. The average flight times for these leading domestic routes to Keystone will give you some idea of what to expect:

  • Denver, CO (DEN-Denver Intl.) to Rapid City Regional Airport (RAP) - 1 hour and 15 minutes
  • Minneapolis, MN (MSP-Minneapolis - St. Paul Intl.) to Rapid City Regional Airport (RAP) - 1 hour and 43 minutes
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Rapid City Regional Airport (RAP) - 2 hours and 27 minutes

Book with confidence

Find Your Flights to Keystone RAP

Cheap flights to Keystone (RAP)

Get started finding a cheap flight to Keystone on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to Keystone.

Roundtrip prices range from - , and one-ways to Keystone start as low as .

Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate.

Airlines that fly to Keystone (RAP)

You have several options for which airline you choose to travel with to Keystone. There are airlines flying into RAP: . 

Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value.

For example, if you plan to check a bag or bring a carry-on, check whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked/carry-on baggage in exchange for a slightly higher airfare. 

Find the best deals

At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at the optimal times. Airfare to Keystone (RAP) varies throughout the year based on seasonal demand. You’ll see the lowest rates for roundtrips to RAP in and in for one-ways.

Cancellation & flexibility

To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24-hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our customer service portal. Some plane tickets are available with no change fees, which you can filter for during your search.

 

Find Your Flights to Keystone RAP

Travel information

Destination airport
Keystone
Destination airport IATA code
RAP

Explore a world of travel with Expedia