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?

As of December 2025, there is 1 operator available to choose from 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.

$604 Cheap Flights from Kalispell to Puerto Rico in 2025/26

1 adult

0 bags

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Find the cheapest flights from Kalispell to Puerto Rico

Round-trip

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Enter your travel dates to find the best prices.

6:00 am - 6:25 pm

FCA

SJU

9h 25m1 stop

2:25 pm - 9:57 pm

SJU

FCA

10h 32m1 stop

$604United Airlines

Tue, Feb 24 - Fri, Mar 6

6:00 am - 6:25 pm

FCA

SJU

9h 25m1 stop

8:30 am - 9:57 pm

SJU

FCA

16h 27m2 stops

$608United Airlines

Tue, Feb 24 - Fri, Mar 6

2:42 pm - 6:11 am

FCA

SJU

12h 29m2 stops

8:10 am - 9:59 pm

SJU

FCA

16h 49m2 stops

$622United Airlines

Sat, Jan 17 - Mon, Jan 26

2:42 pm - 6:11 am

FCA

SJU

12h 29m2 stops

2:25 pm - 9:59 pm

SJU

FCA

10h 34m1 stop

$646United Airlines

Sat, Jan 17 - Mon, Jan 26

6:00 am - 10:22 pm

FCA

SJU

13h 22m2 stops

8:30 am - 9:57 pm

SJU

FCA

16h 27m2 stops

$657United Airlines

Tue, Feb 24 - Fri, Mar 6

6:00 am - 6:25 pm

FCA

SJU

9h 25m1 stop

2:25 pm - 9:59 pm

SJU

FCA

10h 34m1 stop

$831United Airlines

Sat, Jan 17 - Mon, Jan 26

5:55 pm - 1:34 pm

FCA

SJU

16h 39m2 stops

3:55 am - 8:16 pm

SJU

FCA

19h 21m2 stops

$1,023Multiple Airlines

Sat, Jan 3 - Sat, Jan 10

7:00 am - 6:11 am

FCA

SJU

20h 11m2 stops

2:25 pm - 9:59 pm

SJU

FCA

10h 34m1 stop

$1,326United Airlines

Sat, Jan 3 - Sun, Jan 11

6:00 am - 6:25 pm

FCA

SJU

9h 25m1 stop

2:25 pm - 9:59 pm

SJU

FCA

10h 34m1 stop

$1,482United Airlines

Sat, Jan 17 - Mon, Jan 26

6:10 am - 6:25 pm

FCA

SJU

9h 15m1 stop

2:25 pm - 9:59 pm

SJU

FCA

10h 34m1 stop

$1,631United Airlines

Sat, Jan 3 - Sun, Jan 11

United Airlines flights from Kalispell to Puerto Rico

Our best United Airlines deals on Kalispell to Puerto Rico flight tickets

United Airlines

Feb 24

FCA6:00 amKalispell Glacier Park

9h 25m

1 stop

SJU6:25 pmSan Juan Luis Munoz Marin Intl

Mar 6

SJU2:25 pmSan Juan Luis Munoz Marin Intl

10h 32m

1 stop

FCA9:57 pmKalispell Glacier Park

$604

Find similar

United Airlines

Feb 24

FCA6:00 amKalispell Glacier Park

9h 25m

1 stop

SJU6:25 pmSan Juan Luis Munoz Marin Intl

Mar 6

SJU8:30 amSan Juan Luis Munoz Marin Intl

16h 27m

2 stops

FCA9:57 pmKalispell Glacier Park

$608

Find similar

United Airlines

Jan 17

FCA2:42 pmKalispell Glacier Park

12h 29m

2 stops

SJU6:11 amSan Juan Luis Munoz Marin Intl

Jan 26

SJU8:10 amSan Juan Luis Munoz Marin Intl

16h 49m

2 stops

FCA9:59 pmKalispell Glacier Park

$622

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Tue 2/24

6:00 am-6:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Fri 3/6

2:25 pm-9:57 pm

1 stop10h 32m

$604

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Tue 2/24

6:00 am-6:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Fri 3/6

8:30 am-9:57 pm

2 stops16h 27m

$608

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 1/17

2:42 pm-6:11 am

2 stops12h 29m

San Juan Luis Munoz Marin Intl

Mon 1/26

8:10 am-9:59 pm

2 stops16h 49m

$622

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 1/17

2:42 pm-6:11 am

2 stops12h 29m

San Juan Luis Munoz Marin Intl

Mon 1/26

2:25 pm-9:59 pm

1 stop10h 34m

$646

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Tue 2/24

6:00 am-10:22 pm

2 stops13h 22m

San Juan Luis Munoz Marin Intl

Fri 3/6

8:30 am-9:57 pm

2 stops16h 27m

$657

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 1/17

6:00 am-6:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Mon 1/26

2:25 pm-9:59 pm

1 stop10h 34m

$831

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 1/3

5:55 pm-1:34 pm

2 stops16h 39m

San Juan Luis Munoz Marin Intl

Sat 1/10

3:55 am-8:16 pm

2 stops19h 21m

$1,023

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 1/3

7:00 am-6:11 am

2 stops20h 11m

San Juan Luis Munoz Marin Intl

Sun 1/11

2:25 pm-9:59 pm

1 stop10h 34m

$1,326

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 1/17

6:00 am-6:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Mon 1/26

2:25 pm-9:59 pm

1 stop10h 34m

$1,482

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 1/3

6:10 am-6:25 pm

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Sun 1/11

2:25 pm-9:59 pm

1 stop10h 34m

$1,631

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Kalispell is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $574. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Thursday, with ticket prices averaging around $989.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the afternoon. Flights from Kalispell to Puerto Rico during this time can be as low as $611. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $809.

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 25m
Direct flights	None

The fastest flight from Kalispell to Puerto Rico takes 9h 25m

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?
As of December 2025, there is 1 operator available to choose from 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 Airlines	PriceFrom $590	Free Cancellation	Rating 7.4 9,105 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.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Flights to San Juanfrom $96

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Kalispell flight routes

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Flights from Kalispell Glacier Park to Minneapolis St Paul

Cheap flights from Kalispell to Puerto Rico from $604

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to Puerto Rico departing on 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Kalispell to Puerto Rico

Cheap round-trip flights

United Airlines flights from Kalispell to Puerto Rico

Our best United Airlines deals on Kalispell to Puerto Rico flight tickets

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Use the filters below to find and compare flights from Kalispell to Puerto Rico that are best for you.

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

What is the cheapest day to depart on your flight to Puerto Rico?

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the afternoon. Flights from Kalispell to Puerto Rico during this time can be as low as $611. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $809.

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

Direct flights

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

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?

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

Best airlines flying from Kalispell to Puerto Rico

Compare and see reviews for airlines that fly from Kalispell to Puerto Rico with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo