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$344+ Cheap flights from Kalispell (FCA) to San José (SJO)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SJO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Kalispell to San José

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to San José (SJO). 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 11, 2025.

Round-trip from

$344
(United Airlines)

Popular in

March

Cheapest in

July
From Kalispell Glacier Park to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($80 potential savings vs. average RT price).
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Find flight deals from Kalispell to San José

Cheapest flights from Kalispell to San José
Explore the most affordable flight options available from Kalispell to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 10/14:08 pmFCA - SJO
1 stop15h 07mUnited Airlines
Mon 10/61:30 pmSJO - FCA
2 stops20h 39mUnited Airlines
Deal found 9/10$344
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/254:08 pmFCA - SJO
1 stop15h 07mUnited Airlines
Sat 11/16:30 amSJO - FCA
1 stop15h 03mUnited Airlines
Deal found 9/10$408
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 10/256:35 pmFCA - SJO
2 stops29h 16mAlaska Airlines
Fri 10/3112:55 amSJO - FCA
2 stops23h 02mAlaska Airlines
Deal found 9/10$460
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/14:08 pmFCA - SJO
1 stop15h 07mUnited Airlines
Sun 10/51:30 pmSJO - FCA
2 stops20h 39mUnited Airlines
Deal found 9/10$486
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/235:15 pmFCA - SJO
2 stops28h 17mUnited Airlines
Wed 12/316:40 amSJO - FCA
2 stops55h 16mUnited Airlines
Deal found 9/10$990
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 12/232:16 pmFCA - SJO
2 stops19h 16mMultiple Airlines
Tue 12/3012:34 amSJO - FCA
2 stops24h 41mMultiple Airlines
Deal found 9/10$1,785

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to San José 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 September 11, 2025.
Use the filters below to find and compare flights from Kalispell to San José that are best for you.

Fly from

Kalispell

Fly to

San José

Route

Depart

Return

Price

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Wed 10/1

4:08 pm-7:15 am

1 stop15h 07m

San José Juan Santamaria Intl

Mon 10/6

1:30 pm-10:09 am

2 stops20h 39m

$344

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Sat 10/25

4:08 pm-7:15 am

1 stop15h 07m

San José Juan Santamaria Intl

Sat 11/1

6:30 am-9:33 pm

1 stop15h 03m

$408

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Sat 10/25

6:35 pm-11:51 pm

2 stops29h 16m

San José Juan Santamaria Intl

Fri 10/31

12:55 am-11:57 pm

2 stops23h 02m

$460

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Wed 10/1

4:08 pm-7:15 am

1 stop15h 07m

San José Juan Santamaria Intl

Sun 10/5

1:30 pm-10:09 am

2 stops20h 39m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Kalispell to San José

Have a flexible travel schedule? Discover the best time to fly to San José 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 José

What is the cheapest month to book a flight from Kalispell to San José, San José Province?

Currently, September is the cheapest month in which you can book a flight from Kalispell to San José, San José Province (average of $398). Flying from Kalispell to San José, San José Province in March is currently the most expensive (average of $555). 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.

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. 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 José. Reviews last updated September 11, 2025.
See what other customers who have flown with United Airlines from Kalispell to San José have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Kalispell to San José. 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 José, San José Province?

    There are many flights that can get you from Kalispell to San José, San José Province in 15h 07m. Fly via United Airlines to get the fastest option. There are 3166 mi between Kalispell and San José, San José Province.

  • What is the cheapest airline to fly from Kalispell to San José, San José Province round-trip?

    According to our current data, United Airlines ($441), offers the cheapest pricing from Kalispell to San José, San José Province. United Airlines is currently priced 50% below the average price you’ll pay for this route.

  • Can I find deals for flights from Kalispell to San José that include hotel bookings?

    Yes. In addition to deals on Kalispell to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kalispell to San José?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to San José.

  • Can I find deals for business class flights from Kalispell to San José?

    Yes. Cheapflights offers flight deals from Kalispell to San José 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 José, San José Province?

    Currently, September is the cheapest month in which you can book a flight from Kalispell to San José, San José Province (average of $398). Flying from Kalispell to San José, San José Province in March is currently the most expensive (average of $555). 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 José?

Book flights to San José if you plan to visit one of these locations
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó

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Top airline flying from Kalispell to San José

Discover the top airline that operate flights from Kalispell to San José. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$441Average$642FlexibilityNo cancel feeOn-time69%

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