$95+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAN
Oct 7 — Oct 141
Round-trip
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
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 September 7, 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 September 7, 2026.
This Expedia deal was found by Cheapflights users on 9/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:45 pm -
1 stop17h 05m
Sat 10/2412:10 pm -
1 stop9h 49m
Deal found 9/5![Alaska Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:01 am -
1 stop10h 51m
Fri 10/306:27 pm -
1 stop16h 56m
Deal found 9/6![Alaska Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 9/5. 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 10/2012:28 pm -
2 stops11h 23m
Sat 10/2411:02 am -
2 stops10h 55m
Deal found 9/5![Delta logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 10/297:45 pm -
1 stop5h 14m
Tue 11/310:48 am -
2 stops12h 11m
Deal found 9/4![Alaska Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 -
1 stop15h 21m
Tue 10/206:27 pm -
1 stop16h 56m
Deal found 9/4![Alaska Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/206:32 pm -
2 stops40h 59m
Fri 11/278:19 am -
1 stop25h 13m
Deal found 9/4![Multiple Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 9/3. 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 10/296:13 pm -
1 stop6h 42m
Tue 11/35:01 pm -
1 stop4h 56m
Deal found 9/3![Delta logo]()
$417
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 September 7, 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 September 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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 10/297:45 pm -
1 stop5h 14m
Tue 11/310:30 pm -
2 stops24h 29m
Deal found 9/2![Alaska Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 9/2. 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 2/2511:59 am -
1 stop7h 47m
Mon 3/16:50 am -
2 stops9h 55m
Deal found 9/2![Delta logo]()
$430
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/64:17 pm -
1 stop7h 40m
Mon 10/127:00 am -
1 stop5h 28m
Deal found 9/6![United Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:34 pm -
1 stop6h 03m
Mon 11/97:10 am -
2 stops15h 49m
Deal found 9/6![Alaska Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 12/412:28 pm -
2 stops11h 24m
Sun 12/137:20 am -
2 stops9h 16m
Deal found 9/5![Delta logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/186:33 am -
1 stop17h 23m
Tue 2/238:00 am -
2 stops14h 59m
Deal found 9/7![Alaska Airlines logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:15 pm -
2 stops18h 49m
Sun 12/137:00 am -
1 stop5h 20m
Deal found 9/7![Alaska Airlines logo]()
$496
Last-minute flights from Kalispell to San DiegoDiscover last-minute flight deals from Kalispell to San Diego. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to San Diego. Data last updated September 7, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 -
1 stop15h 21m
Tue 10/206:27 pm -
1 stop16h 56m
Deal found 9/4![Alaska Airlines logo]()
$403
This Expedia deal was found by Cheapflights users on 9/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:45 pm -
1 stop17h 05m
Sat 10/2412:10 pm -
1 stop9h 49m
Deal found 9/5![Alaska Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 9/5. 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 10/2012:28 pm -
2 stops11h 23m
Sat 10/2411:02 am -
2 stops10h 55m
Deal found 9/5![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 9/3. 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 10/2312:28 pm -
2 stops11h 23m
Fri 10/305:01 pm -
1 stop4h 56m
Deal found 9/3![Delta logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:01 am -
1 stop10h 51m
Fri 10/306:27 pm -
1 stop16h 56m
Deal found 9/6![Alaska Airlines logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 10/297:45 pm -
1 stop5h 14m
Tue 11/310:48 am -
2 stops12h 11m
Deal found 9/4![Alaska Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 9/3. 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 10/296:13 pm -
1 stop6h 42m
Tue 11/35:01 pm -
1 stop4h 56m
Deal found 9/3![Delta logo]()
$417
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 September 7, 2026.
Search for one-way flight options from Kalispell to San Diego. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/2611:47 am -
1 stop9h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/3010:22 am -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:53 pm -
2 stops25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$148
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 10/248:01 am -
2 stops11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Alaska Airlines logo]()
$205
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 10/318:01 am -
2 stops10h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Alaska Airlines logo]()
$208
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $373 (Expedia) |
One-way from | $95 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $444 |
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 September 7, 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
Fri 10/30
10:22 am-6:38 pm
2 stops33h 16m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Sat 10/24
8:01 am-6:51 pm
2 stops11h 50m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$205
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Sat 10/31
2:03 pm-9:50 pm
2 stops8h 47m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$205
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Fri 11/6
5:53 pm-11:57 pm
3 stops31h 04m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$207
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Wed 10/28
1:03 pm-12:23 pm
2 stops24h 20m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$214
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Thu 10/29
1:03 pm-7:12 am
2 stops19h 09m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$225
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Thu 11/5
1:55 pm-8:42 am
2 stops19h 47m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$231
Quickest round-trip
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Sat 10/24
5:30 am-8:47 am
1 stop4h 17m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$239
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Wed 10/28
6:13 pm-11:55 pm
1 stop6h 42m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$239
KalispellSan Diego
FCA Kalispell Glacier Park - SAN San Diego
FCASAN
Kalispell Glacier Park
Thu 10/29
5:30 am-8:47 am
1 stop4h 17m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$249
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 September.
| 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, October is the cheapest month in which you can book a flight from Kalispell to San Diego (average of $314). 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 below average for this route at the moment.
Kalispell to San Diego flights typically cost between $386 and $588 in October.The cheapest round-trip price found within the last 5 days was $373 on Alaska Airlines (Oct 20-Oct 24).
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 September 7, 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.
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Entertainment
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
Chula Vista
Coronado
Poway
San Ysidro
La Mesa
Santee
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from Kalispell
Popular flights
San Diego flight routes
Alternative routes for Kalispell to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kalispell to San Diego by cabin class
Find flights from Kalispell to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kalispell and San Diego flights
Browse other Kalispell and San Diego flight options. Last updated on September 7, 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 September 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 September 7, 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$428 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$290 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$317 | Average$387 | FlexibilityNo cancel fee | On-time75% |