Cheap Flights from Kalispell to San Francisco International

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      Travellers and cabin class, 1 Adult, Economy

      Compare Kalispell to San Francisco International flight deals

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

      Book the best San Francisco International fare with no extra fees

      Flight deals from Kalispell to San Francisco International

      Looking for a cheap last-minute deal or the best return flight from Kalispell Airport to San Francisco International Airport? If you want to travel next month, return fares start from Rs72,331. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Kalispell to San Francisco International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kalispell to San Francisco International flights are currently cheapest in September.

      Direct flights from Kalispell to San Francisco International

      Kalispell to San Francisco: Flight information

      The things to know before you go.
      Cheapest flight foundRs25,815
      Cheapest month to flySeptember
      Average flight time2 hrs, 39 mins
      Most popular airlineUnited
      Average flights per week13

      Finding cheap flights from Kalispell to San Francisco International: Frequently asked questions

      The best price we found for a return flight from Kalispell to San Francisco International is Rs61,064. 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.
      2 hours and 39 minutes is the average flight time from Kalispell to San Francisco International.
      United and SkyWest Airlines fly direct from Kalispell to San Francisco International.
      As of July 2026, there are 13 flights per week flying from Kalispell to San Francisco International.
      The cheapest month to fly from Kalispell to San Francisco International is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kalispell Airport to San Francisco International Airport on Friday, 25 September 2026.
      Yes – the average flight time is 2 hours and 39 minutes.
      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, Allegiant Air and United offer the cheapest flight tickets to San Francisco International.

      Travelling from Kalispell Airport (FCA) to San Francisco International Airport (SFO): what you need to know

      • Jump on a direct flight from Kalispell Airport to San Francisco International Airport and you'll be travelling for an average of 2 hours 40 minutes.

      • San Francisco is one hour behind Kalispell and observes the UTC-8 timezone.

      • Choose from five weekly Kalispell Airport to San Francisco International Airport flights. The 07:45 departure with United Airlines is the earliest flight available. United Airlines operates the last service of the day at 16:15.

      • Your FCA to SFO flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

      • During popular months like August, you'll want to get to the airport well in advance. Arrive two hours before a domestic departure and four hours ahead of international flights when you fly during peak periods in general.

      • Getting to San Francisco (and then exploring more of the United States!) is easy with United. This popular airline has direct flights from Kalispell Airport to San Francisco International Airport.

      • The majority of travellers choose to travel with United on this route.

      • The most punctual carrier operating FCA to SFO flights is United. Its services arrive as planned 76.47% of the time.

      • If you'd like to break up your flight, just deselect 'Direct flights only' when searching for your ticket from Kalispell Airport to San Francisco International Airport. These are the top stopovers between FCA and SFO:

        • Denver International Airport

        • Los Angeles International Airport

        • Salt Lake City Airport

      How to find the cheapest flights from Kalispell Airport (FCA) to San Francisco International Airport (SFO)

      • Right now, Rs25,815 is the cheapest price we've seen for a one-way Kalispell Airport to San Francisco International Airport flight. The best price for a return plane ticket is Rs61,064. Remember that fares may change due to availability at the time of booking.

      • Get cheap tickets from FCA to SFO by booking at least two months ahead. According to our research, that's the sweet spot for bagging a bargain.

      • Schedule your trip for July. That's the cheapest month for flights from Kalispell Airport to San Francisco International Airport. If your travel dates are flexible, use the 'Whole month' tool to see the lowest airfare across every month.

      • Save time looking for cheap flights from FCA to SFO by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare pops up.

      • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Kalispell Airport to San Francisco International Airport.

      Handy information about Kalispell Airport (FCA)

      • FCA is located at 4170 Highway 2 East.

      • Kalispell Airport gets high marks for its on-time performance. 83% of flights that take off from FCA arrive at their destination without delay.

      • To reach Kalispell Airport from central Kalispell, it takes about 15 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 11 kilometres from the airport to the city centre.

      • Planning to catch public transport? Expect a trip time of around 30 minutes.

      • Catching an early flight from Kalispell Airport to San Francisco International Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near FCA:

      Arriving at San Francisco International Airport (SFO)

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

      • San Francisco International Airport to the centre of San Francisco has a drive time of about 25 minutes. It's approximately 21 kilometres away.

      • Getting there by public transport takes roughly 35 minutes.

      When to fly to San Francisco International Airport (SFO)

      • July is the most popular month for flights from Kalispell Airport to San Francisco International Airport. For smaller crowds, head to San Francisco in March.

      • The warmest month in San Francisco is September, with temperatures ranging between 12ºC and 24ºC. Book your flights from Kalispell Airport to San Francisco International Airport in this month if this is the type of weather you like.

      • January has average temperatures of between 5ºC and 16ºC. Look for cheap tickets from FCA to SFO sometime then if you like cooler conditions.

      Explore more of the United States

      • You've done San Francisco, now it's time to discover more of the United States. Journey about 64 kilometres south-east to San Jose to check off its must-visit sights. From Winchester Mystery House to The Tech Interactive and Santa Clara Valley, your itinerary will be busy.

      • Fresno is another sought-after destination in the United States and is around 257 kilometres south-east of San Francisco. No trip is complete without experiencing Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.