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$582+ Cheap flights from Kalispell (FCA) to Puerto Rico

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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SJU
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
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Cheap 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 November 24, 2025.

Round-trip from

$616
(United Airlines)

One-way from

$582
(United Airlines)
From Kalispell Glacier Park to Puerto Rico
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One-way flight from Kalispell Glacier Park to Puerto Rico
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Find 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 November 24, 2025.

This United Airlines deal was found by Cheapflights users on 11/22. 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 12/136:15 amFCA - SJU
2 stops15h 21mUnited Airlines
Fri 1/22:25 pmSJU - FCA
1 stop10h 34mUnited Airlines
Deal found 11/22$1,135
This Delta deal was found by Cheapflights users on 11/22. 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.
Sat 12/136:06 pmFCA - SJU
2 stops20h 14mDelta
Thu 1/13:45 amSJU - FCA
2 stops16h 22mDelta
Deal found 11/22$1,690

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 November 24, 2025.
Use the filters below to find and compare flights from Kalispell to Puerto Rico that are best for you.

Fly from

Kalispell

Fly to

Puerto Rico

Route

Depart

Return

Price

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Mon 1/26

1:40 pm-1:17 pm

2 stops20h 37m

San Juan Luis Munoz Marin Intl

Thu 1/29

2:25 pm-9:59 pm

1 stop10h 34m

$616

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 12/13

6:15 am-12:36 am

2 stops15h 21m

San Juan Luis Munoz Marin Intl

Fri 1/2

2:25 pm-9:59 pm

1 stop10h 34m

$1,135

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Mon 12/22

5:15 pm-6:11 am

2 stops33h 56m

$582

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Mon 12/22

7:38 pm-11:58 am

3 stops37h 20m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

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.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated November 24, 2025.
Read reviews from past customers who have flown United Airlines from Kalispell to Puerto Rico. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,037 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,037 reviews
United Airlines
7.4
Good
9,037 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 20h 37m. Fly via United Airlines to get the fastest option. Kalispell and Puerto Rico are separated by a distance of 3382 mi.

  • 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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Top airline flying from Kalispell to Puerto Rico

Discover the top airline that operate flights from Kalispell to Puerto Rico. 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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$590Average$970FlexibilityNo cancel feeOn-time69%

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