$329 Find Cheap Flights from Kalispell to Puerto Rico

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Kalispell to Puerto Rico departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Kalispell to Puerto Rico Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Kalispell to Puerto Rico that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kalispell to Puerto Rico

Sat, May 2 - Wed, May 6
United Airlines Logo
6:00 am - 8:38 pm
FCA
-
SJU
12h 38m
2 stops
United Airlines Logo
7:20 am - 9:57 pm
SJU
-
FCA
16h 37m
2 stops
$634United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
6:00 am - 8:38 pm
FCA
-
SJU
12h 38m
2 stops
United Airlines Logo
1:00 am - 9:57 pm
SJU
-
FCA
22h 57m
3 stops
$643United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
2:33 pm - 2:44 pm
FCA
-
SJU
22h 11m
3 stops
United Airlines Logo
1:00 am - 9:57 pm
SJU
-
FCA
22h 57m
3 stops
$654United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
2:33 pm - 2:44 pm
FCA
-
SJU
22h 11m
3 stops
United Airlines Logo
7:20 am - 9:57 pm
SJU
-
FCA
16h 37m
2 stops
$663United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
6:00 am - 5:38 pm
FCA
-
SJU
9h 38m
1 stop
United Airlines Logo
1:40 pm - 9:57 pm
SJU
-
FCA
10h 17m
1 stop
$673United Airlines
Thu, Aug 6 - Mon, Aug 10
American Airlines Logo
4:54 pm - 2:55 pm
FCA
-
SJU
20h 01m
2 stops
American Airlines Logo
7:05 pm - 11:00 am
SJU
-
FCA
17h 55m
2 stops
$688American Airlines
Thu, Aug 6 - Mon, Aug 10
American Airlines Logo
4:54 pm - 2:55 pm
FCA
-
SJU
20h 01m
2 stops
American Airlines Logo
7:05 pm - 12:34 pm
SJU
-
FCA
19h 29m
2 stops
$691American Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
6:00 am - 5:38 pm
FCA
-
SJU
9h 38m
1 stop
United Airlines Logo
1:00 am - 1:31 pm
SJU
-
FCA
14h 31m
2 stops
$693United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
6:00 am - 5:38 pm
FCA
-
SJU
9h 38m
1 stop
United Airlines Logo
1:40 pm - 9:57 pm
SJU
-
FCA
10h 17m
1 stop
$730United Airlines
Thu, Aug 6 - Mon, Aug 10
American Airlines Logo
4:54 pm - 2:10 pm
FCA
-
SJU
19h 16m
1 stop
American Airlines Logo
7:05 pm - 11:00 am
SJU
-
FCA
17h 55m
2 stops
$736American Airlines
Useful Info

FAQs - booking Puerto Rico flights

  • How does KAYAK find such low prices on flights from Kalispell to Puerto Rico?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kalispell to Puerto Rico.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kalispell to Puerto Rico?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Kalispell to Puerto Rico is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Kalispell to Puerto Rico?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Kalispell to Puerto Rico with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kalispell to Puerto Rico?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Kalispell to Puerto Rico up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Kalispell to Puerto Rico

 
Need help choosing which airline to fly with from Kalispell to Puerto Rico? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9335 reviews
7.7Boarding
8.1Crew
7.1Entertainment
7.3Comfort
6.6Food
Airline reviews

Everything was great except for the boarding process. Everyone is lining up all at the same time and it’s hard to tell between the groups as they are way too large.

10.0 ExcellentElizabeth, Feb 2026
ATL - IAH
Read more United Airlines reviews

Everything was great except for the boarding process. Everyone is lining up all at the same time and it’s hard to tell between the groups as they are way too large.

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

Overall we had a good experience during our flight from San Francisco to Houston.

Airport terminal was outdated, flight was on a small jet with no wifi

We were delayed for about an hour from taking off due to traffic control procedures at the destination airport. But once in the air, the flight went well. The crew members were great and provided cabin service despite moderate turbulence during much of the flight.

it was a very short flight so my expectations were low.

As great a red-eye flight as red-eye flights can be.

Once boarding started it was pretty quick. Food was inedible; cold and salty..

Entertainment kept turning itself off. Gave up on watching a movie.

Both the WIFI and entertainment did not work for 2.5h

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

Information on your arrival and departure airports

Kalispell (FCA)