Cheap Flights from Kalispell to San Diego International

Return selected
Return selected
origin
Enter the city you're flying from, or choose from the options below
Include nearby airports
    selected
    destination
    . Enter your destination, or choose from the options below
    Include nearby airports
      selected
      Travellers and cabin class, 1 Adult, Economy
      Alaska Airlines
      American Airlines

      Compare Kalispell to San Diego International flight deals

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

      Book the best San Diego International fare with no extra fees

      Flight deals from Kalispell to San Diego International

      Looking for a cheap last-minute deal or the best return flight from Kalispell Airport to San Diego International Airport? If you want to travel next month, return fares start from R 6,640. Find the lowest prices on one-way and return tickets right here.

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

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

      Direct flights from Kalispell to San Diego International

      Alaska Airlines
      American Airlines

      Kalispell to San Diego International: Alternative routes

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

      Kalispell to San Diego: Flight information

      The things to know before you go.
      Cheapest flight foundR 1,564
      Cheapest month to flySeptember
      Average flight time3 hrs, 6 mins
      Most popular airlineAlaska Airlines
      Average flights per week10

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

      The best price we found for a return flight from Kalispell to San Diego International is R 2,569. 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.
      3 hours and 6 minutes is the average flight time from Kalispell to San Diego International.
      Alaska Airlines and American Airlines fly direct from Kalispell to San Diego International.
      As of August 2026, there are 10 flights per week flying from Kalispell to San Diego International.
      The cheapest month to fly from Kalispell to San Diego 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 Diego International Airport on Friday, 25 September 2026.
      Yes – the average flight time is 3 hours and 6 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 Diego 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 Diego is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Allegiant Air offers the cheapest flight tickets to San Diego International.

      Flying from Kalispell Airport (FCA) to San Diego International Airport (SAN): what you need to know

      • Jump on a direct flight from Kalispell Airport to San Diego International Airport and you'll be travelling for an average of 3 hours 5 minutes.

      • The timezone in San Diego is UTC-8, which is one hour behind Kalispell.

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

      • Be prepared for bigger queues during popular months such as August. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a wise move.

      • Flying into San Diego (and then seeing more of the United States!) is a breeze with Alaska Airlines. This popular carrier has direct flights from Kalispell Airport to San Diego International Airport.

      • The airline that passengers book most often on this route is Alaska Airlines.

      • If you want to split up your journey, just deselect 'Direct flights only' when searching for your ticket from Kalispell Airport to San Diego International Airport. These are the top stopovers between FCA and SAN:

        • Los Angeles International Airport

        • Salt Lake City Airport

        • Oakland Metropolitan Oak Airport

      How to find the cheapest flights from Kalispell Airport (FCA) to San Diego International Airport (SAN)

      • R 1,563 is currently the lowest price for a one-way Kalispell Airport to San Diego International Airport flight. Return flights start at R 2,569. These prices may change based on demand and availability.

      • Book three months before you want to fly. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from FCA to SAN.

      • August is the cheapest month for flights from Kalispell Airport to San Diego International Airport. If you prefer to travel at a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.

      • Snapping up cheap flights from FCA to SAN couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as a lower fare pops up.

      • Tailor your flights with filters. Pick your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Kalispell Airport to San Diego International Airport.

      Handy information about Kalispell Airport (FCA)

      • You'll find FCA at 4170 Highway 2 East.

      • Kalispell Airport has a strong on-time performance, reducing the likelihood of delays. Departures from FCA land at their destination as scheduled 83% of the time.

      • To reach Kalispell Airport from central Kalispell, it'll take around 15 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 11 kilometres from the airport to the city centre.

      • You can expect a trip time of roughly 30 minutes when using public transport.

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

      Arriving at San Diego International Airport (SAN)

      When to fly to San Diego International Airport (SAN)

      • It's time to work out your trip dates for your flight from Kalispell Airport to San Diego International Airport. August is the most popular month to visit San Diego. If you like a more relaxed vibe, go in March.

      • Lock in your flight from Kalispell Airport to San Diego International Airport for August if you want to go to San Diego during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 27ºC (81ºF).

      • If you'd rather travel in cooler conditions, look for a cheap ticket from FCA to SAN in February. Average temperatures are between 8ºC (46ºF) and 22ºC (72ºF) then.

      Explore more of the United States

      • You've visited San Diego, now it's time to discover other corners of the United States. Travel around 177 kilometres north-west to Los Angeles to check off its popular sights. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, you'll have a full itinerary ahead.

      • Around 483 kilometres east of San Diego, Phoenix is another favourite stop in the United States. Start your sightseeing at Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

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