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Cheap flights from Kalispell to Puerto Rico from $303

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to Puerto Rico departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Kalispell to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:42 pm - 9:42 am
FCA
-
SJU
19h 00m
2 stops
American Airlines Logo
7:05 pm - 11:00 am
SJU
-
FCA
17h 55m
2 stops
$626American Airlines
Tue, Aug 4 - Mon, Aug 10
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
$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
$638United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
6:00 am - 11:50 pm
FCA
-
SJU
15h 50m
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
$658United 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
$669United Airlines
Sat, May 2 - Tue, May 5
American Airlines Logo
3:53 pm - 4:32 am
FCA
-
SJU
10h 39m
1 stop
American Airlines Logo
7:05 pm - 11:00 am
SJU
-
FCA
17h 55m
2 stops
$679American Airlines
Tue, Aug 4 - Mon, Aug 10
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
$681United 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
1:00 am - 1:31 pm
SJU
-
FCA
14h 31m
2 stops
$709United Airlines
Fri, May 1 - Fri, May 8
American Airlines Logo
3:53 pm - 1:51 pm
FCA
-
SJU
19h 58m
2 stops
American Airlines Logo
4:49 pm - 11:00 am
SJU
-
FCA
20h 11m
2 stops
$723American Airlines
Sat, Aug 1 - Wed, Aug 5

American Airlines flights from Kalispell to Puerto Rico

Our best American Airlines deals on Kalispell to Puerto Rico flight tickets
American Airlines
Aug 4
FCA12:42 pmKalispell Glacier Park
19h 00m
2 stops
SJU9:42 amSan Juan Luis Munoz Marin Intl
Aug 10
SJU7:05 pmSan Juan Luis Munoz Marin Intl
17h 55m
2 stops
FCA11:00 amKalispell Glacier Park
$626
American Airlines
Aug 4
FCA3:53 pmKalispell Glacier Park
10h 39m
1 stop
SJU4:32 amSan Juan Luis Munoz Marin Intl
Aug 10
SJU7:05 pmSan Juan Luis Munoz Marin Intl
17h 55m
2 stops
FCA11:00 amKalispell Glacier Park
$679
American Airlines
Aug 1
FCA3:53 pmKalispell Glacier Park
19h 58m
2 stops
SJU1:51 pmSan Juan Luis Munoz Marin Intl
Aug 5
SJU4:49 pmSan Juan Luis Munoz Marin Intl
20h 11m
2 stops
FCA11:00 amKalispell Glacier Park
$723

United Airlines flights from Kalispell to Puerto Rico

Our best United Airlines deals on Kalispell to Puerto Rico flight tickets
United Airlines
Apr 13
FCA6:00 amKalispell Glacier Park
9h 38m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Apr 24
SJU7:40 amSan Juan Luis Munoz Marin Intl
15h 47m
2 stops
FCA9:27 pmKalispell Glacier Park
$559
United Airlines
Apr 13
FCA6:00 amKalispell Glacier Park
9h 38m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Apr 22
SJU1:00 amSan Juan Luis Munoz Marin Intl
14h 31m
2 stops
FCA1:31 pmKalispell Glacier Park
$616
United Airlines
May 2
FCA6:00 amKalispell Glacier Park
15h 50m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
May 6
SJU7:20 amSan Juan Luis Munoz Marin Intl
16h 37m
2 stops
FCA9:57 pmKalispell Glacier Park
$634

momondo Fare Finder

 
Customize your flight search to find flights from Kalispell to Puerto Rico 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, momondo users made 832,500 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Kalispell to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Tue 8/4

12:42 pm-9:42 am

2 stops19h 00m

San Juan Luis Munoz Marin Intl

Mon 8/10

7:05 pm-11:00 am

2 stops17h 55m

$626

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 5/2

2:33 pm-2:44 pm

3 stops22h 11m

San Juan Luis Munoz Marin Intl

Tue 5/5

1:00 am-9:57 pm

3 stops22h 57m

$634

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 5/2

6:00 am-8:38 pm

2 stops12h 38m

San Juan Luis Munoz Marin Intl

Tue 5/5

1:00 am-9:57 pm

3 stops22h 57m

$638

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 5/2

6:00 am-11:50 pm

2 stops15h 50m

San Juan Luis Munoz Marin Intl

Tue 5/5

1:00 am-9:57 pm

3 stops22h 57m

$643

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 5/2

2:33 pm-2:44 pm

3 stops22h 11m

San Juan Luis Munoz Marin Intl

Tue 5/5

1:00 am-9:57 pm

3 stops22h 57m

$658

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 5/2

2:33 pm-2:44 pm

3 stops22h 11m

San Juan Luis Munoz Marin Intl

Tue 5/5

1:00 am-9:57 pm

3 stops22h 57m

$669

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Tue 8/4

3:53 pm-4:32 am

1 stop10h 39m

San Juan Luis Munoz Marin Intl

Mon 8/10

7:05 pm-11:00 am

2 stops17h 55m

$679

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 5/2

6:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Wed 5/6

1:40 pm-9:57 pm

1 stop10h 17m

$681

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Fri 5/1

6:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Fri 5/8

1:00 am-1:31 pm

2 stops14h 31m

$709

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 8/1

3:53 pm-1:51 pm

2 stops19h 58m

San Juan Luis Munoz Marin Intl

Wed 8/5

4:49 pm-11:00 am

2 stops20h 11m

$723

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Kalispell to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Kalispell to Puerto Rico flights?

You could potentially save up to 4% on your flight if you consider stops on a Kalispell to Puerto Rico flight.

Cheap Kalispell to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalispell to Puerto Rico

Fastest flight time

9h 38m

Direct flights

None
The fastest flight from Kalispell to Puerto Rico takes 9h 38m
There are no direct flights from Kalispell to Puerto Rico. There are no popular flight routes from Kalispell to Puerto Rico.
Search flight deals

  • When did momondo last update prices for flights from Kalispell Glacier Park Airport to Puerto Rico?

    Prices for flights from Kalispell Glacier Park Airport to Puerto Rico refresh daily.

  • How many operators does momondo search for flights from Kalispell Glacier Park Airport to Puerto Rico?

  • How old do you have to be to fly from Kalispell Glacier Park Airport to Puerto Rico?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalispell Glacier Park Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents required for your trip to Puerto Rico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kalispell to Puerto Rico

Compare and see reviews for airlines that fly from Kalispell to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,289 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Kalispell to Puerto Rico?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Puerto Rico from Kalispell.

Can I find flights from Kalispell to Puerto Rico with flexible booking policies on momondo?

momondo does allow users to show only those flights to Puerto Rico from Kalispell which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kalispell to Puerto Rico?

Once you have performed a search for Kalispell to Puerto Rico flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kalispell to Puerto Rico right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Puerto Rico from Kalispell. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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