Cheap flights from San Diego International to Rapid City Regional

Compare San Diego International to Rapid City Regional flight deals

Find the cheapest month or even day of the year to fly to Rapid City Regional

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Flight deals from San Diego International to Rapid City Regional

Looking for a cheap last-minute deal or the best return flight from San Diego International Airport to Rapid City Regional Airport? If you want to travel next month, return fares start from $402. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Diego International to Rapid City Regional

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

San Diego International to Rapid City Regional: Alternative routes

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

San Diego to Rapid City: Flight information

The things to know before you go.
Cheapest flight found$163
Cheapest month to flyMay

Finding cheap flights from San Diego International to Rapid City Regional: Frequently asked questions

The best price we found for a return flight from San Diego International to Rapid City Regional is $402. 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.
Currently, there are no airlines that fly direct from San Diego International to Rapid City Regional. But we found flights with one or more stops from $402.
As of April 2026, there are no flights flying from San Diego International to Rapid City Regional.
The cheapest month to fly from San Diego International to Rapid City Regional is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Rapid City Regional Airport on Wednesday, 13 May 2026.
No airlines currently offer direct flights between San Diego International Airport and Rapid City Regional Airport. Most routes have one or more stops.
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 Rapid City Regional 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Rapid City is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Rapid City Regional.

Travelling from San Diego International Airport (SAN) to Rapid City Regional Airport (RAP): what you need to know

  • To ensure you get on your SAN to RAP flight, allow plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • You'll likely experience bigger queues in popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a good idea.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from San Diego International Airport to Rapid City Regional Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to visit the city of your choice. Worthwhile stopovers between SAN and RAP include:

    • Denver International Airport

    • San Francisco International Airport

    • Harry Reid Airport (formerly McCarran Airport)

How to find the cheapest flights from San Diego International Airport (SAN) to Rapid City Regional Airport (RAP)

  • Currently, $163 is the lowest price we've seen for a one-way San Diego International Airport to Rapid City Regional Airport flight. The best price for a return plane ticket is $402. Bear in mind that fares could change due to demand at the time of booking.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from SAN to RAP if you book in advance. Airlines often have some amazing early bird deals.

  • The 'Whole month' search function shows you the cheapest flights from San Diego International Airport to Rapid City Regional Airport across the entire month. It's an easy way to find a bargain if your travel dates are flexible.

  • Finding cheap flights from SAN to RAP is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as a new discounted fare appears.

  • Tailor your trip with filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from San Diego International Airport to Rapid City Regional Airport.

Handy information about San Diego International Airport (SAN)

  • The address for SAN is Airport Drive.

  • Of all flights leaving San Diego International Airport, 71.38% land on time at their destination.

  • To reach San Diego International Airport from central San Diego, it takes around 10 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 5 kilometres from the airport to the city centre.

  • You can expect a trip time of about 20 minutes on public transport.

  • Get your trip off to a leisurely start by staying near SAN. Whether you've booked an early flight from San Diego International Airport to Rapid City Regional Airport or just don't like being rushed, these stays are ideal:

Arriving at Rapid City Regional Airport (RAP)

  • Once your San Diego International Airport to Rapid City Regional Airport flight has arrived, relax at a nearby hotel. La Quinta Inn & Suites by Wyndham Rapid City is a convenient option that's not too far from RAP.

  • Explore without limits with a Rapid City Regional Airport rental car. Book your wheels from Avis, Alamo or Enterprise and chase adventure across Rapid City and beyond.

  • Improve your chances of scoring a great price by booking as soon as possible. Reserving your ride from Rapid City Regional Airport at least a couple of weeks ahead is a wise move.

Getting from Rapid City Regional Airport (RAP) to central Rapid City

  • The address for RAP is 4550 Terminal Road, Suite 102.

  • Rapid City Regional Airport is roughly 18 kilometres from the centre of Rapid City. The drive time takes around 20 minutes.

When to fly to Rapid City Regional Airport (RAP)

  • The quietest month for a flight from San Diego International Airport to Rapid City Regional Airport is February, while August is the most popular. Pick the best time to visit Rapid City based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Rapid City is July, with the temperature ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from San Diego International Airport to Rapid City Regional Airport in this month if this is the type of weather you enjoy.

  • February sees average temperatures of between -16ºC (3ºF) and 7ºC (45ºF). Look for cheap tickets from SAN to RAP around that time if you'd rather travel in cooler conditions.

Explore more of United States

  • Rapid City has loads to offer, but there are so many other corners of United States waiting to be discovered. About 418 kilometres south of Rapid City, a trip to Fort Collins will keep your itinerary packed. Start with popular sights like Jack Lantern's Northern Colorado Corn Maze, Fort Collins Country Club and State Fort Collins.

  • Around 483 kilometres south of Rapid City, Thornton is another favourite stop in United States. Experience this destination's highlights firsthand at Margaret W Carpenter Recreation Centre, Thorncreek Golf Course and Avaya.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.