$127 Cheap Flights from Kalispell (FCA) to San Diego (SAN)

View $127 flight on Tue, May 27, 2025Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to San Diego Intl. Airport (SAN)

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Cheap Flights from Kalispell to San Diego (FCA-SAN)

Prices were available within the past 7 days and start at $127 for one-way flights and $262 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Wed, May 28 - Sat, Jun 7
FCA
Kalispell
SAN
San Diego
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, May 28 from Kalispell to San Diego, returning Sat, Jun 7, priced at $262 found 1 day ago
Hawaiian Airlines
Tue, May 20 - Wed, May 28
FCA
Kalispell
SAN
San Diego
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, May 20 from Kalispell to San Diego, returning Wed, May 28, priced at $262 found 1 day ago
Alaska Airlines
Mon, Jun 9 - Wed, Jun 11
FCA
Kalispell
SAN
San Diego
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jun 9 from Kalispell to San Diego, returning Wed, Jun 11, priced at $268 found 1 day ago
Alaska Airlines
Wed, May 28 - Wed, Jun 4
FCA
Kalispell
SAN
San Diego
$272 Roundtrip, found 19 hours ago
$272
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Wed, May 28 from Kalispell to San Diego, returning Wed, Jun 4, priced at $272 found 19 hours ago
Bargain Flight
Mon, May 19 - Wed, May 21
FCA
Kalispell
SAN
San Diego
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Mon, May 19 from Kalispell to San Diego, returning Wed, May 21, priced at $273 found 1 day ago
Bargain Flight
Tue, May 13 - Tue, May 20
FCA
Kalispell
SAN
San Diego
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Tue, May 13 from Kalispell to San Diego, returning Tue, May 20, priced at $275 found 1 day ago
Alaska Airlines
Sat, May 31 - Mon, Jun 2
FCA
Kalispell
SAN
San Diego
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, May 31 from Kalispell to San Diego, returning Mon, Jun 2, priced at $278 found 1 day ago
Alaska Airlines
Sat, May 31 - Mon, Jun 2
FCA
Kalispell
SAN
San Diego
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, May 31 from Kalispell to San Diego, returning Mon, Jun 2, priced at $278 found 1 day ago
Alaska Airlines
Wed, Jun 4 - Fri, Jun 6
FCA
Kalispell
SAN
San Diego
$279 Roundtrip, found 6 hours ago
$279
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Wed, Jun 4 from Kalispell to San Diego, returning Fri, Jun 6, priced at $279 found 6 hours ago
Bargain Flight
Thu, May 29 - Sat, May 31
FCA
Kalispell
SAN
San Diego
$282 Roundtrip, found 1 day ago
$282
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Thu, May 29 from Kalispell to San Diego, returning Sat, May 31, priced at $282 found 1 day ago
Flights from Kalispell (FCA) to San Diego (SAN)
Origin airport
Glacier Park Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Sun Country Airlines, United
Roundtrip price
$262
Distance
1086 mi

Kalispell to San Diego Flights

The cheapest times to fly from Kalispell to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kalispell to San Diego are during the month of May. You can find some of the cheapest flights from Kalispell to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kalispell to San Diego

Sunday is one of the best days to book for cheap flights from Kalispell to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kalispell to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kalispell to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $127 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kalispell to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kalispell to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Glacier Park Intl. Airport (FCA) to San Diego Intl. Airport (SAN) cost?
Discover the latest flight deals from FCA to SAN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from FCA to SAN?
The cheapest flights from FCA to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from FCA to SAN?
Currently, the cheapest airline offering one-way flights from FCA to SAN is Alaska Airlines. You can take off on this route from $139. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from FCA on June 26 2025. Prices were last updated on April 30 2025 and have not changed since.
How many flights per day from Glacier Park Intl. Airport (FCA) to San Diego Intl. Airport (SAN)?
You’ll have to hop on a flight with a layover when traveling from Glacier Park Intl. Airport (FCA) to San Diego Intl. Airport (SAN). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from FCA to SAN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Glacier Park Intl. Airport (FCA) to San Diego Intl. Airport (SAN)?
Select a flight from Glacier Park Intl. Airport (FCA) to San Diego Intl. Airport (SAN) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Glacier Park Intl. Airport (FCA) to San Diego Intl. Airport (SAN) last-minute?
Booking your ticket from FCA to SAN right before your journey is typically more expensive. However, if you’re flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a FCA to SAN flight and hotel package?
Booking a FCA to SAN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to San Diego Intl. Airport (SAN)?
It’s generally possible to cancel or reschedule your FCA to SAN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.