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$119+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAN
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
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 July 9, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:45 pm
FCA
-
SAN
2 stops17h 36m
Alaska Airlines
Tue 10/2010:52 am
SAN
-
FCA
2 stops7h 13m
Alaska Airlines
Deal found 7/8$386
This Delta deal was found by Cheapflights users on 7/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:09 pm
FCA
-
SAN
1 stop6h 46m
Delta
Sun 11/86:15 am
SAN
-
FCA
1 stop4h 30m
Delta
Deal found 7/6$387
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Wed 8/55:28 pm
FCA
-
SAN
1 stop5h 57m
United Airlines
Wed 8/126:30 am
SAN
-
FCA
1 stop8h 24m
United Airlines
Deal found 7/7$401
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:08 pm
FCA
-
SAN
1 stop21h 35m
Multiple Airlines
Wed 8/127:45 pm
SAN
-
FCA
2 stops36h 55m
Multiple Airlines
Deal found 7/7$405
This Delta deal was found by Cheapflights users on 7/5. 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 10/136:09 pm
FCA
-
SAN
1 stop6h 46m
Delta
Tue 10/205:06 pm
SAN
-
FCA
1 stop4h 51m
Delta
Deal found 7/5$417
This Booking.com deal was found by Cheapflights users on 7/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:15 pm
FCA
-
SAN
1 stop26h 09m
Alaska Airlines
Tue 12/18:10 am
SAN
-
FCA
2 stops14h 49m
Alaska Airlines
Deal found 7/8$439
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:45 pm
FCA
-
SAN
1 stop5h 14m
Alaska Airlines
Sun 10/189:08 am
SAN
-
FCA
1 stop8h 57m
Alaska Airlines
Deal found 7/8$447

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 July 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$386
(Alaska Airlines)

One-way from

$119
(WAYA)

Popular in

July

Cheapest in

January

Average price

$1,035
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. 20% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 9, 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

Wed 11/25

6:10 pm-11:47 pm

1 stop6h 37m

San Diego

Tue 12/1

5:00 pm-11:07 pm

1 stop5h 07m

$387
Quickest round-trip

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Fri 11/6

6:09 pm-11:55 pm

1 stop6h 46m

San Diego

Sun 11/8

6:15 am-11:45 am

1 stop4h 30m

$387

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Wed 11/25

4:15 pm-5:24 pm

1 stop26h 09m

San Diego

Tue 12/1

8:10 am-11:59 pm

2 stops14h 49m

$439

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Tue 10/13

7:45 pm-11:59 pm

1 stop5h 14m

San Diego

Tue 10/20

9:42 am-7:05 pm

2 stops8h 23m

$467

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 8/27

5:04 pm-10:27 pm

1 stop6h 23m

San Diego

Mon 8/31

12:33 pm-9:21 pm

1 stop7h 48m

$477
Cheapest one-way

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 8/6

5:28 pm-10:25 pm

1 stop5h 57m

$269

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 8/6

6:33 am-4:35 pm

2 stops11h 02m

$271

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Tue 8/25

6:20 am-6:35 pm

2 stops13h 15m

$273

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Sun 7/26

5:28 pm-10:25 pm

1 stop5h 57m

$294

KalispellSan Diego

FCA - SAN

FCASAN

Kalispell Glacier Park

Thu 8/20

8:01 pm-10:08 am

2 stops15h 07m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 16 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 July.
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, January is the cheapest month in which you can book a flight from Kalispell to San Diego (average of $316). Flying from Kalispell to San Diego in July is currently the most expensive (average of $1,035). 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.

What is the cheapest time of day to fly from FCA to SAN?

Find hourly flight availability from Kalispell to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 9, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kalispell to San Diego as you normally would.

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 July 9, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited 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
12,641 reviews

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.0

Comfort

7.8

Crew

8.5

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
12,641 reviews
Alaska Airlines
7.9
Good
12,641 reviews

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Delta
7.8
Good
8,452 reviews
Alaska Airlines
7.9
Good
12,641 reviews

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.0

Comfort

7.8

Crew

8.5

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
9,953 reviews
Alaska Airlines
7.9
Good
12,641 reviews

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.0

Comfort

7.8

Crew

8.5

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 and Alaska Airlines can get you from Kalispell to San Diego in just under 6h 37m. Your travel time can differ by up to 19h 32m. 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 $210, United Airlines will fly you from Kalispell to San Diego and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $212 and $317, respectively. United Airlines is 54% 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 $158 while deals on Alaska Airlines start at $163 one-way.

  • What are the most reliable airlines from Kalispell to San Diego?

    The top 3 most reliable airlines when flying from Kalispell to San Diego are American Airlines (64%), Alaska Airlines (64%) and Horizon Air (64%).

  • 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, January is the cheapest month in which you can book a flight from Kalispell to San Diego (average of $316). Flying from Kalispell to San Diego in July is currently the most expensive (average of $1,035). 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
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove

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Top 3 airlines flying from Kalispell to San Diego

Discover the top 3 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 July 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$210Average$409FlexibilityNo cancel feeOn-time69%
DeltaCheapest$212Average$428FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$317Average$387FlexibilityNo cancel feeOn-time75%

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