The cheapest times to fly from SJU to FCA are

  • January 8th to February 4th
  • April 9th to May 13th
  • May 28th to August 5th (except the week of June 25th)
  • October 15th to November 11th (except the week of October 29th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SJU to FCA is early June. Prices can be as high as $1507 for Sunday flights during late December, or as low as $890 for Tuesday flights around early June.


When to Fly to Kalispell

Flying from San Juan, PR (SJU) to Kalispell, MT (FCA) will usually cost between $1001 to $1314 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early June with an average ticket price of $1010. Due to high demand the most expensive time to fly is late December, with an average price of $1306. Planning your trip to low-cost times can easily save you $296 on economy flights and even more on first-class flights. Generally, any price below $1060 can be considered a good price for a round-trip SJU to FCA flight.

See below for a graph of average weekly prices for the SJU to FCA route. All prices are for round-trip tickets in USD.

SJU to FCA Flight Prices

Compared to other flights, the SJU to FCA flight is priced close to the average and costs more than the average flight leaving from San Juan. The average price per mile (for a direct flight) is $0.19, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $127 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1063. Return trip prices are from the FCA to SJU flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SJU to FCA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 4 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SJU to FCA while comparing.

Destination alternative #1: Missoula International Airport (MSO) in Missoula, MT

  • 97 miles (156 km) away from FCA
  • Usually 22.64% less expensive than FCA
  • 1-layover flights available

See SJU to MSO flights


Flight Hacking SJU to FCA

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SJU to FCA — but Champion Traveler does!

Hack #1: Salt Lake City, UT (SJU > SLC > FCA)

  • Price for both tickets: $774
  • Average savings: $287 (27.03%)

See SJU to SLC flights

Hack #2: Los Angeles, CA (SJU > LAX > FCA)

  • Price for both tickets: $778
  • Average savings: $283 (26.65%)

See SJU to LAX flights

Hack #3: Denver, CO (SJU > DEN > FCA)

  • Price for both tickets: $781
  • Average savings: $279 (26.32%)

See SJU to DEN flights


Flight Questions Answered

Still have questions about flying from SJU to FCA? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, American, Delta, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Glacier Park International Airport to Luis Munoz Marin International Airport?

The distance between the two airports is roughly 3384 miles or 5446 kilometers.

How long does it take to fly from SJU to FCA?

The real-world flight time for a nonstop SJU to FCA flight is about 7 hour 4 minutes.

How many flights go between San Juan, PR and Kalispell, MT?

It depends on the day of the week and the date, but a typical day might have around 19 available flights from SJU to FCA.


Airport Location Info


Departing Airport

Origination code SJU
Origination airport name Luis Munoz Marin International Airport
City San Juan, PR
Country the United States
Latitude 18.4
Longitude -66

Return Airport

Destination code FCA
Destination airport name Glacier Park International Airport
City Kalispell, MT
Country the United States
Latitude 48.3
Longitude -114.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.