$238+ Cheap flights from Kalispell to San Diego (FCA - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAN
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
Cheapest flights from Kalispell to San DiegoExplore 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 October 19, 2026.
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 October 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Thu 12/102:42 pm -
1 stop6h 59m
Thu 1/712:39 pm -
1 stop8h 13m
Deal found 10/18![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/112:36 pm -
1 stop7h 00m
Sun 11/156:45 am -
1 stop5h 49m
Deal found 10/18![United Airlines logo]()
$463
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 11/56:34 pm -
2 stops15h 08m
Mon 11/98:07 pm -
1 stop16h 08m
Deal found 10/14![Alaska Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 12/412:54 pm -
2 stops24h 32m
Sun 12/136:15 am -
1 stop16h 06m
Deal found 10/15![Alaska Airlines logo]()
$479
Best flights from Kalispell to San DiegoDiscover carefully curated flight deals from Kalispell to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Kalispell to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 1/121:51 pm -
1 stop21h 01m
Sat 1/168:00 am -
Nonstop3h 07m
Deal found 10/17![Alaska Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 10/16. 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 1/195:25 am -
1 stop4h 41m
Fri 1/223:20 pm -
2 stops19h 29m
Deal found 10/16![Delta logo]()
$485
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 1/67:37 pm -
1 stop14h 39m
Sat 1/98:00 am -
Nonstop3h 07m
Deal found 10/15![Alaska Airlines logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 1/1612:51 pm -
1 stop8h 31m
Thu 1/2110:44 am -
2 stops7h 13m
Deal found 10/14![Alaska Airlines logo]()
$481
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 1/157:37 pm -
1 stop15h 15m
Wed 1/2012:39 pm -
1 stop5h 18m
Deal found 10/16![Alaska Airlines logo]()
$488
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 12/41:54 pm -
1 stop21h 06m
Sun 12/136:15 am -
1 stop10h 40m
Deal found 10/15![Alaska Airlines logo]()
$493
This Alaska Airlines deal was found by Cheapflights users on 10/18. 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 1/137:00 am -
2 stops11h 38m
Mon 1/187:11 am -
2 stops29h 00m
Deal found 10/18![Alaska Airlines logo]()
$496
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 1/137:00 am -
1 stop6h 56m
Sun 1/178:36 am -
1 stop13h 21m
Deal found 10/16![Alaska Airlines logo]()
$498
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 1/127:00 am -
2 stops10h 50m
Sun 1/176:16 am -
1 stop11h 41m
Deal found 10/16![Alaska Airlines logo]()
$502
Last-minute flights from Kalispell to San DiegoDiscover last-minute flight deals from Kalispell to San Diego. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to San Diego. Data last updated October 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 10/298:01 am -
2 stops13h 39m
Tue 11/310:48 am -
2 stops12h 11m
Deal found 10/15![Alaska Airlines logo]()
$591
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 11/57:41 am -
1 stop8h 06m
Mon 11/94:54 pm -
2 stops18h 21m
Deal found 10/15![Alaska Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/112:36 pm -
1 stop7h 00m
Sun 11/156:45 am -
1 stop5h 49m
Deal found 10/18![United Airlines logo]()
$463
This Alaska Airlines deal was found by Cheapflights users on 10/18. 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 11/1112:55 pm -
2 stops23h 48m
Sun 11/157:00 am -
1 stop5h 15m
Deal found 10/18![Alaska Airlines logo]()
$526
This Expedia deal was found by Cheapflights users on 10/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:09 pm -
1 stop11h 50m
Mon 11/3010:29 pm -
2 stops13h 45m
Deal found 10/18![Alaska Airlines logo]()
$595
One-way flights from Kalispell to San DiegoSearch for one-way flight options from Kalispell to San Diego. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Kalispell to San Diego. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Priceline deal was found by Cheapflights users on 10/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:54 pm -
2 stops7h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Alaska Airlines logo]()
$238
This deal was found by Cheapflights users on 10/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1612:47 pm -
Nonstop3h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Alaska Airlines logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 10/18. 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 1/287:00 am -
2 stops11h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Alaska Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 10/18. 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 11/106:17 pm -
1 stop6h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Delta logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 10/18. 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 11/101:55 pm -
2 stops21h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Alaska Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Sat 10/242:30 pm -
1 stop7h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![United Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 12/26:35 pm -
3 stops38h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$428
This Travelocity deal was found by Cheapflights users on 10/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/27:09 pm -
1 stop14h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Alaska Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 1/287:37 pm -
3 stops43h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$533
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Sat 1/28:04 pm -
3 stops41h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$564
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $437 (Delta) |
One-way from | $238 (Priceline) |
Popular in | July |
Cheapest in | June |
Average price | $436 |
Good one-way deal | $334 or less |
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 7,457,451 searches. Data last updated October 19, 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
Cheapest round-trip
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Thu 1/28
7:00 am-5:38 pm
2 stops11h 38m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$258
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Wed 12/2
2:42 pm-8:41 pm
1 stop6h 59m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$259
Quickest round-trip
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Tue 11/10
6:17 pm-11:53 pm
1 stop6h 36m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$259
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Thu 1/28
6:10 am-1:14 pm
1 stop8h 04m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$259
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Tue 11/10
1:55 pm-9:57 am
2 stops21h 02m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$264
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Sat 10/31
2:36 pm-8:36 pm
1 stop7h 00m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$348
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Sat 10/24
2:30 pm-8:39 pm
1 stop7h 09m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$348
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Tue 1/12
1:51 pm-9:52 am
1 stop21h 01m
San Diego
Sat 1/16
8:00 am-12:07 pm
Nonstop3h 07m
$460
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Wed 1/6
7:37 pm-9:16 am
1 stop14h 39m
San Diego
Sat 1/9
8:00 am-12:07 pm
Nonstop3h 07m
$465
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Sat 1/16
12:51 pm-8:22 pm
1 stop8h 31m
San Diego
Thu 1/21
10:44 am-6:57 pm
2 stops7h 13m
$481
Showing 1-10 of 17 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
FCA-SAN
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, June is the cheapest month in which you can book a flight from Kalispell to San Diego (average of $317). Flying from Kalispell to San Diego in July is currently the most expensive (average of $1,069). 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?
Airfare is typical for this route at the moment.
Kalispell to San Diego flights typically cost between $314 and $594 in January.The cheapest round-trip price found within the last 5 days was $437 on Delta (Jan 30-Feb 1).
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 October 19, 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.
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
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San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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Kalispell and San Diego flights
Browse other Kalispell and San Diego flight options. Last updated on October 19, 2026.
Other flights from Kalispell
Browse through other flights departing from Kalispell. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
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Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 19, 2026.
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 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$433 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$273 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$317 | Average$387 | FlexibilityNo cancel fee | On-time75% |