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Luis Munoz Marin Intl

$608+ Cheap flights from Kalispell (FCA) to Luis Munoz Marin Intl (SJU)

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SJU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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 5/22:33 pm
FCA
-
SJU
2 stops20h 01m
United Airlines
Wed 5/61:40 pm
SJU
-
FCA
1 stop10h 17m
United Airlines
Deal found 1/27$608
This United Airlines deal was found by Cheapflights users on 1/27. 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 5/206:00 am
FCA
-
SJU
1 stop9h 38m
United Airlines
Fri 5/291:00 am
SJU
-
FCA
2 stops14h 33m
United Airlines
Deal found 1/27$643
This American Airlines deal was found by Cheapflights users on 1/27. 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 8/13:53 pm
FCA
-
SJU
2 stops19h 58m
American Airlines
Wed 8/54:49 pm
SJU
-
FCA
2 stops21h 45m
American Airlines
Deal found 1/27$766
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 2/12:42 pm
FCA
-
SJU
2 stops12h 29m
United Airlines
Tue 2/102:25 pm
SJU
-
FCA
1 stop10h 34m
United Airlines
Deal found 1/27$851
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Mon 2/26:00 am
FCA
-
SJU
2 stops13h 22m
United Airlines
Tue 2/102:25 pm
SJU
-
FCA
1 stop10h 34m
United Airlines
Deal found 1/27$881

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$608
(United Airlines)
Provider with most accurate pricing for Kalispell Glacier Park-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-San Juan Luis Munoz Marin Intl flights.
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From Kalispell Glacier Park to San Juan Luis Munoz Marin Intl
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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 January 29, 2026.
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

Sat 5/2

2:33 pm-12:34 pm

2 stops20h 01m

San Juan Luis Munoz Marin Intl

Wed 5/6

7:20 am-9:57 pm

2 stops16h 37m

$608

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Wed 5/20

6:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Fri 5/29

1:00 am-1:33 pm

2 stops14h 33m

$643

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Wed 2/4

6:05 pm-4:50 pm

2 stops19h 45m

$669

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Wed 2/4

6:25 am-10:34 pm

3 stops37h 09m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Compare providers for flights from Kalispell to Luis Munoz Marin Intl

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 Luis Munoz Marin Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kalispell-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-San Juan Luis Munoz Marin Intl Airport 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 Juan Luis Munoz Marin Intl Airport 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 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 January 29, 2026.
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
9,215 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 20h 01m. 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 $590, 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.

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
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$590Average$1,055FlexibilityNo cancel feeOn-time69%

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