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$642+ Cheap flights from Kalispell (FCA) to Puerto Rico

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SJU
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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Cheap flight deals from Kalispell to Puerto Rico

Cheapest flights from Kalispell to Puerto Rico
Explore the most affordable flight options available from Kalispell to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.

This American Airlines deal was found by Cheapflights users on 4/12. 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 5/2612:25 pm
FCA
-
SJU
2 stops19h 14m
American Airlines
Mon 6/112:44 am
SJU
-
FCA
1 stop16h 16m
American Airlines
Deal found 4/12$642
This Delta deal was found by Cheapflights users on 4/12. 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.
Mon 5/256:07 pm
FCA
-
SJU
2 stops15h 54m
Delta
Tue 6/27:30 am
SJU
-
FCA
2 stops17h 44m
Delta
Deal found 4/12$656
This Delta deal was found by Cheapflights users on 4/12. 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 5/285:13 am
FCA
-
SJU
2 stops15h 04m
Delta
Wed 6/37:05 am
SJU
-
FCA
2 stops18h 09m
Delta
Deal found 4/12$668
This United Airlines deal was found by Cheapflights users on 4/13. 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 10/26:31 am
FCA
-
SJU
1 stop8h 59m
United Airlines
Thu 10/82:00 pm
SJU
-
FCA
1 stop9h 30m
United Airlines
Deal found 4/13$676
This American Airlines deal was found by Cheapflights users on 4/13. 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.
Thu 8/64:54 pm
FCA
-
SJU
2 stops19h 44m
American Airlines
Mon 8/107:14 pm
SJU
-
FCA
2 stops18h 22m
American Airlines
Deal found 4/13$689
This United Airlines deal was found by Cheapflights users on 4/13. 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 8/66:20 am
FCA
-
SJU
1 stop9h 18m
United Airlines
Mon 8/101:40 pm
SJU
-
FCA
1 stop10h 07m
United Airlines
Deal found 4/13$729
This Delta deal was found by Cheapflights users on 4/13. 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 10/26:59 am
FCA
-
SJU
2 stops14h 45m
Delta
Thu 10/87:00 am
SJU
-
FCA
2 stops18h 07m
Delta
Deal found 4/13$738
This United Airlines deal was found by Cheapflights users on 4/12. 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 5/292:33 pm
FCA
-
SJU
2 stops28h 51m
United Airlines
Mon 6/11:00 am
SJU
-
FCA
2 stops12h 29m
United Airlines
Deal found 4/12$744
This American Airlines deal was found by Cheapflights users on 4/12. 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.
Sun 5/2412:25 pm
FCA
-
SJU
1 stop14h 00m
American Airlines
Tue 6/212:44 am
SJU
-
FCA
1 stop16h 16m
American Airlines
Deal found 4/12$762
This American Airlines deal was found by Cheapflights users on 4/12. 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.
Wed 5/2712:25 pm
FCA
-
SJU
1 stop9h 14m
American Airlines
Sun 5/3112:44 am
SJU
-
FCA
1 stop12h 51m
American Airlines
Deal found 4/12$767
This American Airlines deal was found by Cheapflights users on 4/13. 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.
Sat 8/14:45 pm
FCA
-
SJU
2 stops19h 25m
American Airlines
Wed 8/54:53 pm
SJU
-
FCA
2 stops21h 41m
American Airlines
Deal found 4/13$776

Find flight deals from Kalispell to Puerto Rico

Keep the following information in mind while searching for Kalispell to Puerto Rico flight deals. Data was last updated April 17, 2026.

Round-trip from

$642
(American Airlines)
From Kalispell Glacier Park to Puerto Rico
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to Puerto Rico 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 April 17, 2026.
Use the filters below to find and compare flights from Kalispell to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Mon 5/25

6:07 pm-12:01 pm

2 stops15h 54m

San Juan Luis Munoz Marin Intl

Tue 6/2

7:30 am-11:14 pm

2 stops17h 44m

$656

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Thu 5/28

5:13 am-10:17 pm

2 stops15h 04m

San Juan Luis Munoz Marin Intl

Tue 6/2

7:30 am-11:14 pm

2 stops17h 44m

$668

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sun 5/24

2:33 pm-12:34 pm

2 stops20h 01m

San Juan Luis Munoz Marin Intl

Mon 6/1

1:00 am-1:30 pm

2 stops14h 30m

$806
Quickest round-trip

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Fri 4/24

6:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Sat 5/23

1:00 am-11:29 am

2 stops12h 29m

$834

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Mon 4/20

5:05 am-11:59 pm

2 stops16h 54m

San Juan Luis Munoz Marin Intl

Sat 5/23

7:05 am-11:14 pm

2 stops18h 09m

$849

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 5/23

2:33 pm-12:34 pm

2 stops20h 01m

San Juan Luis Munoz Marin Intl

Tue 6/2

1:00 am-11:29 am

2 stops12h 29m

$871

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Mon 4/20

6:00 am-8:38 pm

2 stops12h 38m

San Juan Luis Munoz Marin Intl

Sat 5/23

4:55 pm-1:30 pm

2 stops22h 35m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Sorted by cheapest first

Best time to book a flight from Kalispell to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kalispell to Puerto Rico?

    Located just 8.4 mi from the city center, Kalispell Glacier Park (FCA) is the airport most travelers will use when flying to Puerto Rico from Kalispell.

  • How long is the flight from Kalispell to Puerto Rico?

    There are many flights that can get you from Kalispell to Puerto Rico in 15h 54m. Fly via Delta or United Airlines to get the fastest option. Kalispell and Puerto Rico are separated by a distance of 3382 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Kalispell to Puerto Rico that include hotel bookings?

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

  • How can I find direct flights from Kalispell to Puerto Rico?

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

  • Can I find deals for business class flights from Kalispell to Puerto Rico?

    Yes. Cheapflights offers flight deals from Kalispell to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Kalispell to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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