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$85+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAN
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
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 May 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 6/510:31 am
FCA
-
SAN
1 stop23h 16m
Multiple Airlines
Sun 6/79:43 am
SAN
-
FCA
1 stop22h 58m
Multiple Airlines
Deal found 5/8$217
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Fri 5/2910:36 am
FCA
-
SAN
1 stop11h 36m
Multiple Airlines
Sun 5/3110:07 pm
SAN
-
FCA
1 stop10h 39m
Multiple Airlines
Deal found 5/6$269
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 8/79:09 pm
FCA
-
SAN
1 stop19h 22m
Multiple Airlines
Sun 8/98:29 pm
SAN
-
FCA
1 stop12h 11m
Multiple Airlines
Deal found 5/8$300
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/1712:33 pm
FCA
-
SAN
1 stop9h 31m
Multiple Airlines
Thu 5/2810:07 pm
SAN
-
FCA
1 stop10h 39m
Multiple Airlines
Deal found 5/6$318
This United Airlines deal was found by Cheapflights users on 5/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:00 pm
FCA
-
SAN
1 stop6h 27m
United Airlines
Tue 9/156:30 am
SAN
-
FCA
1 stop6h 03m
United Airlines
Deal found 5/6$357
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:25 pm
FCA
-
SAN
2 stops10h 09m
American Airlines
Sun 5/316:15 am
SAN
-
FCA
1 stop8h 48m
American Airlines
Deal found 5/6$362
This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:20 pm
FCA
-
SAN
1 stop7h 31m
United Airlines
Tue 5/268:45 am
SAN
-
FCA
1 stop6h 26m
United Airlines
Deal found 5/7$374
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 6/132:10 pm
FCA
-
SAN
Nonstop3h 06m
Alaska Airlines
Mon 6/158:23 am
SAN
-
FCA
Nonstop3h 07m
Alaska Airlines
Deal found 5/9$387
This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/182:33 pm
FCA
-
SAN
1 stop7h 39m
United Airlines
Thu 5/286:35 am
SAN
-
FCA
1 stop5h 55m
United Airlines
Deal found 5/7$393

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Kiwi.com)

One-way from

$85
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$396

Good one-way deal

$188 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. 15% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a one-way 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 May 10, 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
Quickest round-trip

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Sat 6/13

2:10 pm-4:16 pm

Nonstop3h 06m

San Diego

Mon 6/15

8:23 am-12:30 pm

Nonstop3h 07m

$387

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Fri 9/11

6:15 am-11:46 am

1 stop6h 31m

San Diego

Tue 9/15

12:44 pm-10:56 pm

2 stops9h 12m

$397

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Wed 5/20

6:00 am-12:47 pm

1 stop7h 47m

San Diego

Thu 5/28

6:35 am-4:11 pm

1 stop8h 36m

$413

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Tue 6/2

11:33 am-4:21 pm

1 stop5h 48m

San Diego

Wed 6/3

3:56 pm-11:58 pm

1 stop7h 02m

$417

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 6/11

2:10 pm-4:16 pm

Nonstop3h 06m

San Diego

Sun 6/14

8:23 am-12:30 pm

Nonstop3h 07m

$417

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Sat 6/13

2:10 pm-4:16 pm

Nonstop3h 06m

San Diego

Sun 6/14

8:23 am-12:30 pm

Nonstop3h 07m

$422

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Sat 5/23

2:33 pm-8:46 pm

1 stop7h 13m

San Diego

Wed 5/27

7:15 am-3:30 pm

1 stop7h 15m

$458

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 8/6

6:33 am-11:11 pm

1 stop17h 38m

San Diego

Sun 8/9

8:23 am-12:30 pm

Nonstop3h 07m

$487

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Wed 6/17

2:10 pm-4:16 pm

Nonstop3h 06m

San Diego

Sat 6/20

8:35 pm-10:48 am

1 stop13h 13m

$495
Cheapest one-way

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Mon 7/13

10:30 am-3:31 pm

2 stops30h 01m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 18 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 May.
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, August is the cheapest month in which you can book a flight from Kalispell to San Diego (average of $286). Flying from Kalispell to San Diego in March is currently the most expensive (average of $585). 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 May 10, 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
12,348 reviews

Comfort

7.8

Overall

7.9

Food

7.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

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
12,348 reviews
Alaska Airlines
7.9
Good
12,348 reviews

Comfort

7.8

Overall

7.9

Food

7.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

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
8,455 reviews
Alaska Airlines
7.9
Good
12,348 reviews

Comfort

7.8

Overall

7.9

Food

7.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

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
2,837 reviews
Alaska Airlines
7.9
Good
12,348 reviews

Comfort

7.8

Overall

7.9

Food

7.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

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
9,694 reviews
Alaska Airlines
7.9
Good
12,348 reviews

Comfort

7.8

Overall

7.9

Food

7.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

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?

    Alaska Airlines and United Airlines can get you from Kalispell to San Diego in just under 3h 06m. Your travel time can differ by up to 4h 41m. 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 $161, 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 58% 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 American Airlines, which is currently one of the cheapest options available, starting at $143. Delta flights start at $143 while deals on United Airlines start at $153 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 $198, our data indicates the cheapest price to be $163. The most popular route (Kalispell Glacier Park - San Diego), is priced around $217.

  • 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, August is the cheapest month in which you can book a flight from Kalispell to San Diego (average of $286). Flying from Kalispell to San Diego in March is currently the most expensive (average of $585). 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

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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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$161Average$344FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$210Average$392FlexibilityNo cancel feeOn-time69%
DeltaCheapest$212Average$396FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$276Average$366FlexibilityNo cancel feeOn-time75%

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