$358 Cheap Flights from Sun Valley (SUN) to Rapid City (RAP)

You can find cheap one-way flights from $358 and cheap return flights $716 Sun Valley, ID (SUN-Friedman Memorial) to Rapid City, SD (RAP-Rapid City Regional) with Expedia. Roundtrip flights usually range from $593 to $1492. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sun Valley, ID (SUN-Friedman Memorial) to Rapid City, SD (RAP-Rapid City Regional) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

The cheapest month to fly from SUN to RAP is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Enter SUN to RAP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

United is one of the cheapest airlines offering connecting flights from Sun Valley (SUN) to Rapid City (RAP), with round-trip tickets starting from around $593. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

To find a cheap flight from Sun Valley, ID (SUN-Friedman Memorial) to Rapid City, SD (RAP-Rapid City Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

The earliest flight from Friedman Memorial (SUN) to Rapid City Regional (RAP) usually departs at 7:00 AM, operated by United Airlines. An early start like this allows you to maximize your time in Rapid City. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

The most popular departure times for flights from Sun Valley, ID (SUN) to Rapid City, SD (RAP) are from 12pm to 3pm. About 46% of passengers prefer this time window. Many major carriers, including United Airlines and Delta, offer flights during this window. This timing works well because it allows you to enjoy a leisurely morning before heading to the airport.

A flight from SUN to RAP with a layover takes around 6 hours 20 minutes, with the route covering approximately 562 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Select the "Business class" and "First class" filters when looking for SUN to RAP flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a Sun Valley, ID (SUN-Friedman Memorial) to Rapid City, SD (RAP-Rapid City Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

From Friedman Memorial (SUN), you can fly into Rapid City Regional (RAP) to reach Rapid City. Some flights may connect through major hubs like Salt Lake City Intl. (SLC), Seattle - Tacoma Intl. (SEA) before reaching Rapid City. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Sun Valley, ID (SUN-Friedman Memorial) to Rapid City, SD (RAP-Rapid City Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Sun Valley, ID (SUN-Friedman Memorial) to Rapid City, SD (RAP-Rapid City Regional) Rapid City Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Sun Valley, ID (SUN-Friedman Memorial) to Rapid City, SD (RAP-Rapid City Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.