HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$94+ Cheap flights from Kalispell to San Diego (FCA - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAN
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kalispell to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kalispell to San Diego

Cheapest flights from Kalispell to San Diego
Explore the most affordable flight options available from Kalispell to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:53 pm
FCA
-
SAN
1 stop15h 11m
Alaska Airlines
Mon 3/168:26 pm
SAN
-
FCA
1 stop14h 46m
Alaska Airlines
Deal found 1/23$294
This Delta deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:25 am
FCA
-
SAN
1 stop4h 34m
Delta
Sat 5/305:00 pm
SAN
-
FCA
1 stop5h 02m
Delta
Deal found 1/23$317
This Delta deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:49 pm
FCA
-
SAN
1 stop9h 47m
Delta
Sun 4/195:00 pm
SAN
-
FCA
1 stop5h 37m
Delta
Deal found 1/22$324
This Alaska Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:53 pm
FCA
-
SAN
1 stop15h 11m
Alaska Airlines
Sat 2/284:45 pm
SAN
-
FCA
1 stop18h 27m
Alaska Airlines
Deal found 1/25$333
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/299:06 pm
FCA
-
SAN
1 stop13h 20m
Multiple Airlines
Sat 1/3110:34 am
SAN
-
FCA
2 stops32h 42m
Multiple Airlines
Deal found 1/24$339
This Alaska Airlines deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:53 pm
FCA
-
SAN
1 stop15h 11m
Alaska Airlines
Fri 3/66:03 pm
SAN
-
FCA
1 stop18h 10m
Alaska Airlines
Deal found 1/23$347
This Alaska Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:53 pm
FCA
-
SAN
2 stops14h 42m
Alaska Airlines
Wed 3/117:26 pm
SAN
-
FCA
1 stop27h 31m
Alaska Airlines
Deal found 1/24$358

Find flight deals from Kalispell to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$294
(Alaska Airlines)

One-way from

$94
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$316
Provider with most accurate pricing for Kalispell Glacier Park-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-San Diego flights.
Search Deals
From Kalispell Glacier Park to San Diego
Search Deals
One-way flight from Kalispell Glacier Park to San Diego
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Kalispell to San Diego that are best for you.

Fly from

Kalispell

Fly to

San Diego

Route

Depart

Return

Price

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Fri 3/13

7:53 pm-10:04 am

1 stop15h 11m

San Diego

Mon 3/16

8:26 pm-12:12 pm

1 stop14h 46m

$294

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Sat 5/30

5:25 am-8:59 am

1 stop4h 34m

San Diego

Sat 5/30

5:00 pm-11:02 pm

1 stop5h 02m

$317

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 4/16

2:49 pm-11:36 pm

1 stop9h 47m

San Diego

Sun 4/19

5:00 pm-11:37 pm

1 stop5h 37m

$324

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Fri 4/17

2:49 pm-11:36 pm

1 stop9h 47m

San Diego

Sun 4/19

5:00 pm-11:37 pm

1 stop5h 37m

$324

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Tue 2/24

7:53 pm-7:17 am

2 stops12h 24m

San Diego

Sat 2/28

4:45 pm-11:57 pm

1 stop6h 12m

$335

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Wed 3/4

6:15 pm-11:46 pm

1 stop6h 31m

San Diego

Wed 3/11

5:01 pm-11:41 pm

1 stop5h 40m

$339

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 2/26

7:53 pm-10:04 am

1 stop15h 11m

San Diego

Fri 3/6

6:03 pm-1:13 pm

1 stop18h 10m

$347

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Wed 3/4

7:53 pm-9:35 am

2 stops14h 42m

San Diego

Wed 3/11

9:06 pm-11:57 pm

2 stops25h 51m

$360

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 2/5

9:06 pm-9:26 am

1 stop13h 20m

$94

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Sun 2/8

9:06 pm-8:51 am

1 stop12h 45m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 15 results
1
2

Compare providers for flights from Kalispell to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kalispell to San Diego in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kalispell-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kalispell-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kalispell to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Kalispell with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kalispell to San Diego

What is the cheapest month to book a flight from Kalispell to San Diego?

Currently, April is the cheapest month in which you can book a flight from Kalispell to San Diego (average of $108). Flying from Kalispell to San Diego in December is currently the most expensive (average of $272). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated January 26, 2026.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Kalispell to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,792 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,792 reviews
Alaska Airlines
8.0
Very good
11,792 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,111 reviews
Alaska Airlines
8.0
Very good
11,792 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,792 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,199 reviews
Alaska Airlines
8.0
Very good
11,792 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Kalispell to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kalispell to San Diego?

    Alaska Airlines and Delta can get you from Kalispell to San Diego in just under 4h 34m. Your travel time can differ by up to 10h 37m. There are 1086 mi between Kalispell and San Diego. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Kalispell to San Diego round-trip?

    Currently priced at $138, Hawaiian Airlines will fly you from Kalispell to San Diego and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Alaska Airlines - these airlines can fly you to your destination from $210 and $231, respectively. Hawaiian Airlines is 63% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Kalispell to San Diego one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $143. United Airlines flights start at $153 while deals on Alaska Airlines start at $163 one-way.

  • Can I find deals for flights from Kalispell to San Diego that include hotel bookings?

    Yes. In addition to deals on Kalispell to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kalispell to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to San Diego.

  • Can I find deals for business class flights from Kalispell to San Diego?

    Yes. Cheapflights offers flight deals from Kalispell to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kalispell to San Diego?

    Currently, April is the cheapest month in which you can book a flight from Kalispell to San Diego (average of $108). Flying from Kalispell to San Diego in December is currently the most expensive (average of $272). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kalispell to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Las Vegas flights
Bozeman to Los Angeles flights
Bozeman to San Diego flights
Bozeman to San Francisco flights
Helena to Las Vegas flights
Billings to Los Angeles flights
Kalispell to Las Vegas flights
Missoula to San Francisco flights
Missoula to Los Angeles flights
Billings to Las Vegas flights
Kalispell to Los Angeles flights
Bozeman to Santa Ana flights
Missoula to Las Vegas flights
Missoula to San Diego flights
Bozeman to Ontario flights
Missoula to Sacramento flights
Billings to San Francisco flights
Kalispell to Santa Ana flights
Billings to San Diego flights
Great Falls to Las Vegas flights
Bozeman to Palm Springs flights
Kalispell to San Francisco flights
Billings to Palm Springs flights
Missoula to Oakland flights
Billings to Ontario flights
Bozeman to Santa Barbara flights
Kalispell to Ontario flights
Helena to San Diego flights
Bozeman to Burbank flights
Missoula to Palm Springs flights
Missoula to Santa Ana flights
Billings to Reno flights
Kalispell to Palm Springs flights
Bozeman to Medford flights
Great Falls to Los Angeles flights
Missoula to San Jose flights
Bozeman to Sacramento flights
Kalispell to Sacramento flights
Great Falls to San Diego flights
Billings to Santa Barbara flights
Billings to San Jose flights
Billings to Sacramento flights
Helena to Los Angeles flights
Billings to Santa Ana flights
Bozeman to Long Beach flights
Bozeman to Reno flights
Great Falls to Burbank flights
Missoula to Ontario flights
Missoula to Reno flights

Top 4 airlines flying from Kalispell to San Diego

Discover the top 4 airlines that operate flights from Kalispell to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$138Average$344FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$210Average$409FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$231Average$374FlexibilityNo cancel feeOn-time75%
DeltaCheapest$237Average$391FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.