Cheap Flights from Rapid City (RAP) to San Francisco (SFO)

Compare Rapid City Regional to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Rapid City Regional to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Rapid City Regional to San Francisco International? Find the lowest prices on one-way and return tickets right here.

The cheapest month to fly from Rapid City Regional Airport to San Francisco International Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the Rapid City Regional Airport to San Francisco International Airport flight prices forecast over the next 12 months.

Rapid City Regional to San Francisco International: Alternative routes

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

Rapid City to San Francisco: Flight information

The things to know before you go.
Cheapest flight found$400
Cheapest month to flyJuly

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

The best price we found for a return flight from Rapid City Regional to San Francisco International is $400. 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 Rapid City Regional to San Francisco International. But we found flights with one or more stops from $400.
As of June 2025, there are no flights flying from Rapid City Regional to San Francisco International.
The cheapest month to fly from Rapid City Regional to San Francisco International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rapid City Regional Airport to San Francisco International Airport on Friday, 18 July 2025.
No airlines currently offer direct flights between Rapid City Regional Airport and San Francisco International 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 San Francisco International 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 San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to San Francisco International.

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

  • San Francisco's timezone is UTC-7, making San Francisco one hour behind Rapid City.

  • Arrive at the airport on time so you don't miss your RAP to SFO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Travelling during a peak time like August? Major public holidays and other high seasons can result in longer lines and delays at airport checkpoints. Play things extra safe and arrive up to four hours before international flights and two hours before domestic departures.

  • United Airlines is your gateway to discovering San Francisco (and maybe even some other exciting parts of United States!). Browse the direct flights from Rapid City Regional Airport to San Francisco International Airport offered by this popular airline.

  • United Airlines is the airline most travellers choose for this route.

  • If you want to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Rapid City Regional Airport to San Francisco International Airport. Here are the top stopovers between RAP and SFO:

    • Denver International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Minneapolis-St. Paul International Airport

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

  • $237 is currently the best price for a one-way Rapid City Regional Airport to San Francisco International Airport flight. Return flights start from $400. These fares may change depending on availability.

  • Don't wait until the last moment. You're more likely to get cheap tickets from RAP to SFO if you book ahead. Airlines often offer some excellent early bird discounts.

  • The 'Whole month' tool shows you the cheapest flights from Rapid City Regional Airport to San Francisco International Airport across every month. It's a good way to snap up a bargain if your dates aren't set in stone.

  • Snapping up cheap flights from RAP to SFO is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Discover the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Rapid City Regional Airport to San Francisco International Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Rapid City Regional Airport (RAP)

  • RAP is located at 4550 Terminal Road, Suite 102.

  • Of all flights departing from Rapid City Regional Airport, 77.55% land on schedule at their destination.

  • To reach Rapid City Regional Airport from central Rapid City, it'll take about 20 minutes if you're travelling by car. This depends on traffic though. It's approximately 18 kilometres from the airport to the city centre.

  • Looking for a hotel to stay in before your flight from Rapid City Regional Airport to San Francisco International Airport? Check out La Quinta Inn & Suites by Wyndham Rapid City. Enjoy a good night's rest here before heading to RAP.

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport is roughly 21 kilometres from the centre of San Francisco. The drive time takes about 20 minutes.

  • It takes roughly 45 minutes to get there by public transport.

When to fly to San Francisco International Airport (SFO)

  • It's time to choose your dates for your flight from Rapid City Regional Airport to San Francisco International Airport. August is the most popular month to visit San Francisco. If you're after a quieter vibe, go in February.

  • The warmest month in San Francisco is September, with the temperature ranging between 12ºC (54ºF) and 22ºC (72ºF). Book your flights from Rapid City Regional Airport to San Francisco International Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 6ºC (43ºF) and 16ºC (61ºF). Look for cheap tickets from RAP to SFO sometime around then if you like travelling in cooler conditions.

Explore more of United States

  • San Jose is just one of the many places in United States waiting to be discovered after you've experienced San Francisco. Around 64 kilometres away to the south-east, its top attractions include Winchester Mystery House, Rosicrucian Egyptian Museum and San Jose Museum of Art.

  • Around 257 kilometres south-east of San Francisco, Fresno is another favourite stop in United States. Experience major highlights starting with Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.

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