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Luis Munoz Marin Intl

$311+ Cheap flights from Kalispell (FCA) to Luis Munoz Marin Intl (SJU)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SJU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Kalispell to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Luis Munoz Marin Intl (SJU). 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 17, 2025.

Round-trip from

$665
(United Airlines)

One-way from

$311
(United Airlines)
From Kalispell Glacier Park to San Juan Luis Munoz Marin Intl
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One-way flight from Kalispell Glacier Park to San Juan Luis Munoz Marin Intl
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Find flight deals from Kalispell to Luis Munoz Marin Intl

Cheapest flights from Kalispell to Luis Munoz Marin Intl
Explore the most affordable flight options available from Kalispell to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:15 amFCA - SJU
2 stops13h 07mUnited Airlines
Mon 12/158:30 amSJU - FCA
2 stops16h 16mUnited Airlines
Deal found 9/15$665
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:06 pmFCA - SJU
2 stops15h 51mDelta
Sun 12/147:00 amSJU - FCA
2 stops19h 04mDelta
Deal found 9/15$844
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:15 amFCA - SJU
1 stop9h 10mUnited Airlines
Sun 12/142:10 pmSJU - FCA
2 stops34h 36mUnited Airlines
Deal found 9/15$876
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:15 amFCA - SJU
2 stops13h 07mUnited Airlines
Sun 12/142:10 pmSJU - FCA
2 stops34h 36mUnited Airlines
Deal found 9/15$948
This United Airlines deal was found by Cheapflights users on 9/14. 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 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 stops13h 07mUnited Airlines
Thu 1/12:05 amSJU - FCA
2 stops14h 31mUnited Airlines
Deal found 9/14$998

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to Luis Munoz Marin Intl 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 17, 2025.
Use the filters below to find and compare flights from Kalispell to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Kalispell

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Thu 12/11

6:15 am-10:22 pm

2 stops13h 07m

San Juan Luis Munoz Marin Intl

Mon 12/15

8:30 am-9:46 pm

2 stops16h 16m

$665

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Tue 3/10

6:31 am-11:36 pm

2 stops15h 05m

San Juan Luis Munoz Marin Intl

Wed 3/11

1:25 pm-9:30 pm

1 stop10h 05m

$775

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Wed 12/10

6:06 pm-12:57 pm

2 stops15h 51m

San Juan Luis Munoz Marin Intl

Sun 12/14

7:00 am-11:04 pm

2 stops19h 04m

$844

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 10/18

6:30 am-11:57 pm

2 stops15h 27m

$311

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 10/18

1:14 pm-2:08 pm

1 stop22h 54m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Kalispell to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with United Airlines from Kalispell to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Luis Munoz Marin Intl. 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 San Juan Luis Munoz Marin Intl?

    Most people fly from Kalispell Glacier Park (FCA) if they book a flight from Kalispell to San Juan Luis Munoz Marin Intl. On average, Glacier Park has 0 outbound flights to San Juan Luis Munoz Marin Intl per day from 1 airline. Kalispell Glacier Park is conveniently located just 8.4 mi from Kalispell’s city center.

  • How long is the flight from Kalispell to San Juan Luis Munoz Marin Intl Airport?

    United Airlines can get you from Kalispell to San Juan Luis Munoz Marin Intl Airport in just under 13h 07m. Your travel time can differ by up to . The distance from Kalispell to San Juan Luis Munoz Marin Intl Airport is about 3382 mi.

  • What is the cheapest airline to fly from Kalispell to San Juan Luis Munoz Marin Intl Airport round-trip?

    Currently priced at $574, United Airlines will fly you from Kalispell to San Juan Luis Munoz Marin Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Kalispell to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Kalispell to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kalispell to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Kalispell to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Kalispell to Luis Munoz Marin Intl 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 Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Kalispell to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Kalispell to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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 Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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Alternative routes for Kalispell to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Luis Munoz Marin Intl flights
Billings to Luis Munoz Marin Intl flights
Missoula to Luis Munoz Marin Intl flights

Top airline flying from Kalispell to Luis Munoz Marin Intl

Discover the top airline that operate flights from Kalispell to Luis Munoz Marin Intl. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$574Average$857FlexibilityNo cancel feeOn-time69%

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