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$132+ 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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAN
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
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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 March 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Sun 5/312:33 pm
FCA
-
SAN
2 stops32h 28m
Multiple Airlines
Sat 5/910:07 pm
SAN
-
FCA
1 stop12h 36m
Multiple Airlines
Deal found 3/24$241
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Mon 6/158:18 pm
FCA
-
SAN
1 stop20h 14m
Multiple Airlines
Sun 6/289:53 pm
SAN
-
FCA
1 stop10h 48m
Multiple Airlines
Deal found 3/21$329
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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.
Sat 5/26:35 am
FCA
-
SAN
2 stops11h 12m
Alaska Airlines
Sat 5/93:35 pm
SAN
-
FCA
2 stops20h 28m
Alaska Airlines
Deal found 3/24$354
This Delta deal was found by Cheapflights users on 3/23. 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.
Mon 4/136:10 pm
FCA
-
SAN
1 stop6h 32m
Delta
Tue 5/55:00 pm
SAN
-
FCA
1 stop5h 27m
Delta
Deal found 3/23$357
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:10 pm
FCA
-
SAN
2 stops11h 19m
Delta
Tue 4/2811:40 am
SAN
-
FCA
2 stops10h 47m
Delta
Deal found 3/24$367
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 6/122:10 pm
FCA
-
SAN
Nonstop3h 06m
Alaska Airlines
Mon 6/158:23 am
SAN
-
FCA
Nonstop3h 07m
Alaska Airlines
Deal found 3/23$377
This Delta deal was found by Cheapflights users on 3/26. 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.
Wed 4/152:49 pm
FCA
-
SAN
1 stop9h 49m
Delta
Thu 4/235:00 pm
SAN
-
FCA
1 stop5h 27m
Delta
Deal found 3/26$390
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 4/1312:52 pm
FCA
-
SAN
1 stop5h 13m
Alaska Airlines
Tue 5/511:05 am
SAN
-
FCA
2 stops24h 58m
Alaska Airlines
Deal found 3/23$391
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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.
Mon 4/208:26 pm
FCA
-
SAN
1 stop16h 22m
Alaska Airlines
Mon 4/278:35 pm
SAN
-
FCA
1 stop14h 28m
Alaska Airlines
Deal found 3/24$397

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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241
(Kiwi.com)

One-way from

$132
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$585

Good round-trip deal

$317 or less
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. 17% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Kalispell Glacier Park to San Diego.
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 March 26, 2026.
Use the filters below to find and compare flights from Kalispell to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 6/15

8:18 pm-3:32 pm

1 stop20h 14m

San Diego

Sun 6/28

9:53 pm-9:41 am

1 stop10h 48m

$329
Quickest round-trip

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Wed 8/26

5:25 am-8:59 am

1 stop4h 34m

San Diego

Sun 8/30

5:00 pm-11:02 pm

1 stop5h 02m

$357

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 4/13

6:10 pm-11:42 pm

1 stop6h 32m

San Diego

Tue 5/5

5:00 pm-11:27 pm

1 stop5h 27m

$357

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Tue 4/21

2:49 pm-11:38 pm

1 stop9h 49m

San Diego

Tue 4/28

11:40 am-11:27 pm

2 stops10h 47m

$362

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Tue 5/5

1:43 pm-9:27 pm

2 stops8h 44m

San Diego

Wed 5/6

7:00 am-1:03 pm

1 stop5h 03m

$390

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 4/13

12:52 pm-5:05 pm

1 stop5h 13m

San Diego

Tue 5/5

7:00 am-1:03 pm

1 stop5h 03m

$397

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 4/20

8:26 pm-11:48 am

1 stop16h 22m

San Diego

Mon 4/27

8:35 pm-12:03 pm

1 stop14h 28m

$397

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 4/20

5:05 am-2:50 pm

2 stops10h 45m

San Diego

Mon 4/27

5:00 pm-11:27 pm

1 stop5h 27m

$403
Cheapest one-way

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Sun 4/26

12:33 pm-11:40 am

2 stops24h 07m

$145

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Tue 4/28

12:43 pm-10:25 am

2 stops22h 42m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 19 resultsSorted by cheapest first
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 March.
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.

How much does it cost to fly round-trip from Kalispell to San Diego?

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 March 26, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian 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
7.9
Good
12,116 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
7.9
Good
12,116 reviews
Alaska Airlines
7.9
Good
12,116 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Delta
7.9
Good
8,339 reviews
Alaska Airlines
7.9
Good
12,116 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Hawaiian Airlines
7.8
Good
2,839 reviews
Alaska Airlines
7.9
Good
12,116 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,488 reviews
Alaska Airlines
7.9
Good
12,116 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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?

    Delta can get you from Kalispell to San Diego in just under 4h 34m. Your travel time can differ by up to . There are 1086 mi between Kalispell and San Diego.

  • 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 Delta - these airlines can fly you to your destination from $210 and $212, 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.

  • What are the cheapest flights from Kalispell to San Diego?

    Looking for the cheapest flight from Kalispell to San Diego? While on average our users pay $317, our data indicates the cheapest price to be $317. The most popular route (Kalispell Glacier Park - San Diego), is priced around $329.

  • 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

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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 March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$138Average$344FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$210Average$409FlexibilityNo cancel feeOn-time69%
DeltaCheapest$212Average$380FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$274Average$346FlexibilityNo cancel feeOn-time75%

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