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Cheap flights from Kalispell (FCA) to Puerto Rico

FCA — SJU
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Popular in

September

Cheapest in

January
Highest demand for flights based on searches. 5% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Cheapflights Insights

Everything you need to know about your flight from Kalispell to Puerto Rico

What is the cheapest month to book a flight from Kalispell to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Kalispell to Puerto Rico (average of $254). Flying from Kalispell to Puerto Rico 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.

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.

  • 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.

  • What is the cheapest month to book a flight from Kalispell to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Kalispell to Puerto Rico (average of $254). Flying from Kalispell to Puerto Rico 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.

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Alternative routes for Kalispell to Puerto Rico

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$574Average$793FlexibilityNo cancel feeOn-time69%

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