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 September 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.

$775 Cheap Flights from Kalispell to Puerto Rico in 2025/26

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Find the cheapest flights from Kalispell to Puerto Rico

Round-trip

Cheap round-trip flights

6:31 am - 5:25 pmFCA-SJU

8h 54m1 stop

1:25 pm - 9:30 pmSJU-FCA

10h 05m1 stop

$775United Airlines

Find Deal

mar., mar. 10 - mié., mar. 11

6:31 am - 5:25 pmFCA-SJU

8h 54m1 stop

7:10 am - 9:30 pmSJU-FCA

16h 20m2 stops

$800United Airlines

Find Deal

mar., mar. 10 - mié., mar. 11

6:31 am - 9:22 pmFCA-SJU

12h 51m2 stops

1:25 pm - 9:30 pmSJU-FCA

10h 05m1 stop

$820United Airlines

Find Deal

mar., mar. 10 - mié., mar. 11

6:31 am - 11:36 pmFCA-SJU

15h 05m2 stops

7:10 am - 9:30 pmSJU-FCA

16h 20m2 stops

$832United Airlines

Find Deal

mar., mar. 10 - mié., mar. 11

6:31 am - 9:22 pmFCA-SJU

12h 51m2 stops

7:10 am - 9:30 pmSJU-FCA

16h 20m2 stops

$839United Airlines

Find Deal

mar., mar. 10 - mié., mar. 11

6:31 am - 5:25 pmFCA-SJU

8h 54m1 stop

1:05 am - 9:30 pmSJU-FCA

22h 25m2 stops

$848United Airlines

Find Deal

mar., mar. 10 - mar., mar. 10

6:12 pm - 1:00 pmFCA-SJU

15h 48m2 stops

6:15 am - 11:07 pmSJU-FCA

19h 52m2 stops

$1,091Delta

Find Deal

dom., ene. 11 - dom., ene. 18

1:00 pm - 5:29 amFCA-SJU

37h 29m2 stops

6:00 am - 7:30 pmSJU-FCA

16h 30m2 stops

$1,586Alaska Airlines

Find Deal

sáb., dic. 13 - vie., ene. 2

2:00 pm - 2:57 pmFCA-SJU

21h 57m2 stops

6:00 am - 7:30 pmSJU-FCA

16h 30m2 stops

$1,732Alaska Airlines

Find Deal

sáb., dic. 13 - vie., ene. 2

1:00 pm - 5:29 amFCA-SJU

37h 29m2 stops

6:00 am - 7:30 pmSJU-FCA

16h 30m2 stops

$1,761Alaska Airlines

Find Deal

sáb., dic. 13 - vie., ene. 2

United Airlines flights from Kalispell to Puerto Rico

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

United Airlines

Mar 10

FCA6:31 amKalispell Glacier Park

8h 54m

1 stop

SJU5:25 pmSan Juan Luis Munoz Marin Intl

Mar 11

SJU1:25 pmSan Juan Luis Munoz Marin Intl

10h 05m

1 stop

FCA9:30 pmKalispell Glacier Park

$775

Find similar

United Airlines

Mar 10

FCA6:31 amKalispell Glacier Park

8h 54m

1 stop

SJU5:25 pmSan Juan Luis Munoz Marin Intl

Mar 11

SJU7:10 amSan Juan Luis Munoz Marin Intl

16h 20m

2 stops

FCA9:30 pmKalispell Glacier Park

$800

Find similar

United Airlines

Mar 10

FCA6:31 amKalispell Glacier Park

12h 51m

2 stops

SJU9:22 pmSan Juan Luis Munoz Marin Intl

Mar 11

SJU1:25 pmSan Juan Luis Munoz Marin Intl

10h 05m

1 stop

FCA9:30 pmKalispell Glacier Park

$820

Find similar

Alaska Airlines flights from Kalispell to Puerto Rico

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

Alaska Airlines

Dec 13

FCA1:00 pmKalispell Glacier Park

37h 29m

2 stops

SJU5:29 amSan Juan Luis Munoz Marin Intl

Jan 2

SJU6:00 amSan Juan Luis Munoz Marin Intl

16h 30m

2 stops

FCA7:30 pmKalispell Glacier Park

$1,586

Find similar

Alaska Airlines

Dec 13

FCA2:00 pmKalispell Glacier Park

21h 57m

2 stops

SJU2:57 pmSan Juan Luis Munoz Marin Intl

Jan 2

SJU6:00 amSan Juan Luis Munoz Marin Intl

16h 30m

2 stops

FCA7:30 pmKalispell Glacier Park

$1,732

Find similar

Alaska Airlines

Dec 13

FCA1:00 pmKalispell Glacier Park

37h 29m

2 stops

SJU5:29 amSan Juan Luis Munoz Marin Intl

Jan 2

SJU6:00 amSan Juan Luis Munoz Marin Intl

16h 30m

2 stops

FCA7:30 pmKalispell Glacier Park

$1,761

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

mar. 3/10

6:31 am-5:25 pm

1 stop8h 54m

San Juan Luis Munoz Marin Intl

mié. 3/11

1:25 pm-9:30 pm

1 stop10h 05m

$775

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

mar. 3/10

6:31 am-5:25 pm

1 stop8h 54m

San Juan Luis Munoz Marin Intl

mié. 3/11

7:10 am-9:30 pm

2 stops16h 20m

$800

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

mar. 3/10

6:31 am-9:22 pm

2 stops12h 51m

San Juan Luis Munoz Marin Intl

mié. 3/11

1:25 pm-9:30 pm

1 stop10h 05m

$820

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

mar. 3/10

6:31 am-11:36 pm

2 stops15h 05m

San Juan Luis Munoz Marin Intl

mié. 3/11

7:10 am-9:30 pm

2 stops16h 20m

$832

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

mar. 3/10

6:31 am-9:22 pm

2 stops12h 51m

San Juan Luis Munoz Marin Intl

mié. 3/11

7:10 am-9:30 pm

2 stops16h 20m

$839

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

mar. 3/10

6:31 am-5:25 pm

1 stop8h 54m

San Juan Luis Munoz Marin Intl

mar. 3/10

1:05 am-9:30 pm

2 stops22h 25m

$848

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

dom. 1/11

6:12 pm-1:00 pm

2 stops15h 48m

San Juan Luis Munoz Marin Intl

dom. 1/18

6:15 am-11:07 pm

2 stops19h 52m

$1,091

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

sáb. 12/13

1:00 pm-5:29 am

2 stops37h 29m

San Juan Luis Munoz Marin Intl

vie. 1/2

6:00 am-7:30 pm

2 stops16h 30m

$1,586

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

sáb. 12/13

2:00 pm-2:57 pm

2 stops21h 57m

San Juan Luis Munoz Marin Intl

vie. 1/2

6:00 am-7:30 pm

2 stops16h 30m

$1,732

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

sáb. 12/13

1:00 pm-5:29 am

2 stops37h 29m

San Juan Luis Munoz Marin Intl

vie. 1/2

6:00 am-7:30 pm

2 stops16h 30m

$1,761

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

Direct flights	None

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 September 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 $574	Free Cancellation	Rating 7.4 8,926 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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jue. 10/30

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Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Flights to San Juanfrom $118

Flights to Aguadillafrom $157

Flights to Mayagüezfrom $260

Kalispell flight routes

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Flights from Kalispell Glacier Park to San Francisco

Flights from Kalispell Glacier Park to Salt Lake City

Flights from Kalispell Glacier Park to Denver Intl

Cheap flights from Kalispell to Puerto Rico from $775

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 3/10. 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

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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

Alaska Airlines flights from Kalispell to Puerto Rico

Our best Alaska 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

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?

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

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