Cheap Flights from Kalispell to San Diego

Compare Kalispell to San Diego flight deals

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

Book the best San Diego fare with no extra fees

Flight deals from Kalispell to San Diego

Looking for a cheap last-minute deal or the best return flight from Kalispell Airport to San Diego? If you want to travel next month, return fares start from R 7,244. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kalispell to San Diego

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

Direct flights from Kalispell to San Diego

Alternative Kalispell to San Diego routes

Looking for the cheapest, fastest or easiest route from Kalispell to San Diego? You could fly into the following airports instead.

Kalispell to San Diego: Flight information

The things to know before you go.
Cheapest flight foundR 2,286
Cheapest month to flyJuly
Average flight time3 hrs, 6 mins
Most popular airlineHorizon Air
Average flights per week17

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

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Kalispell to San Diego is R 5,251. 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.
Horizon Air, Alaska Airlines and American Airlines fly direct from Kalispell to San Diego.
As of June 2026, there are 17 flights per week flying from Kalispell to San Diego.
The cheapest month to fly from Kalispell to San Diego is usually August.
If you're flying from Kalispell Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from R 5,251.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kalispell Airport to San Diego on Friday, 28 August 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 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.

In June, the average temperature is usually around 19°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Allegiant Air offers the cheapest flight tickets to San Diego.

Flying from Glacier Park International Airport (FCA) to San Diego: what you need to know

  • Book a direct flight from Glacier Park International Airport to San Diego and you'll be travelling for around 3 hours 5 minutes.

  • Glacier Park International Airport is located in Kalispell. Based in the UTC-8 timezone, San Diego is one hour behind Kalispell.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to board your FCA to San Diego flight.

  • During popular months like August, you'll want to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you fly during high season in general.

  • Direct Glacier Park International Airport to San Diego tickets are available for booking. San Diego International Airport (SAN) is where you'll disembark.

  • Alaska Airlines is a well-known airline that offers direct flights from Glacier Park International Airport to San Diego.

  • Located around 13 kilometres from the centre of Kalispell, FCA can be reached in about 15 minutes by car, depending on traffic. The journey on public transport will take roughly 30 minutes.

  • Looking for a hotel near FCA? If you're boarding an early flight from Glacier Park International Airport to San Diego, these stays will put you moments from your departure lounge:

  • 83% of flights departing from Glacier Park International Airport arrive at their destination on schedule. Given its reliable on-time performance, you're unlikely to be delayed when flying out of FCA.

  • The address for FCA is 4170 Highway 2 East.

How to find the cheapest flights from Glacier Park International Airport (FCA) to San Diego

  • R 2,286 is currently the best price for a one-way Glacier Park International Airport to San Diego flight. Return plane tickets start from R 5,251. These prices may change based on availability.

  • Book three months before travelling. Pricing trends suggest that this is the ideal window for finding cheap flights from FCA to San Diego.

  • The best month for picking up cheap Glacier Park International Airport to San Diego tickets is August. Use the 'Whole month' tool to compare prices, then select the dates with the lowest fares.

  • Snapping up a cheap flight from FCA to San Diego is a breeze with Price Alerts. All you need to do is set up one of these automatic notifications and we'll get in touch as soon as a better deal is available.

  • Choose your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Glacier Park International Airport to San Diego by 'Best,' 'Fastest' or 'Cheapest.'

Airports in San Diego

San Diego International Airport (SAN)

  • The distance from San Diego International Airport (SAN) to central San Diego is roughly 5 kilometres. It takes about 15 minutes to get to the centre driving.

  • It'll take around 25 minutes to get there by public transport.

  • Consider staying in a hotel near SAN if you're coming in on a late flight from Glacier Park International Airport to San Diego. Settle into one of these options and make your first night all about catching up on rest:

  • To get the best deal, book your ride from San Diego International Airport about two weeks in advance of your flight from FCA to San Diego.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is about 48 kilometres from central San Diego. Check out your options for heading into town after your flight from Glacier Park International Airport to San Diego has landed.

  • There are some comfortable places to call home for the night near CLD. Kick back and get cosy after your FCA to San Diego flight at any of these well-located options:

  • Generally speaking, the sooner you book, the better the prices and selection of vehicles. Reserve your ride from CLD as soon as you've confirmed your plans.

Best time to go to San Diego

  • December is the quietest month for flights from Glacier Park International Airport to San Diego, while July is the most popular. Pick the best time to visit San Diego based on whether you prefer a lively atmosphere or a more laid-back vibe.

  • When booking your Glacier Park International Airport to San Diego plane ticket, think about the weather you're most comfortable in. August is the warmest month in San Diego, with temperatures ranging from 16ºC (61ºF) to 27ºC (81ºF).

  • February has average temperatures of between 8ºC (46ºF) and 22ºC (72ºF). Look for a cheap ticket from FCA to San Diego around that time if you want to travel in cooler conditions.

More about San Diego

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in San Diego right here. Explore these hotels as soon as you've locked in your flight from Glacier Park International Airport to San Diego:

  • Every great holiday has to include some sightseeing. San Diego Balboa Park, San Diego Zoo and USS Midway Museum are attractions you won't want to skip in San Diego.

Explore more of the United States

  • Los Angeles is just one of the many cities in the United States waiting to be discovered once you've seen San Diego. Around 177 kilometres away to the northwest, top sights here include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • Around 483 kilometres east of San Diego, Phoenix is another favourite stop in the United States. No visit is complete without checking out 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.