How long is the flight from Montana to Puerto Rico?

Flight times from Montana to Puerto Rico vary, but if you’re flying out of Billings and flying into San Juan Luis Munoz Marin Intl Airport (one of the most popular routes), then the duration is 8h 25m on average. Another popular route from Montana to Puerto Rico is flying from Bozeman to San Juan Luis Munoz Marin Intl Airport, which will take roughly 8h 30m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Montana to Puerto Rico?

American Airlines and United Airlines are the most popular carriers operating from Montana to Puerto Rico

What airlines fly to Puerto Rico?

United Airlines, Southwest and Delta are the top three most popular airlines that fly to Puerto Rico from Montana according to our data. United Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 4 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Montana to Puerto Rico?

Prices for flights from Montana to Puerto Rico were last updated today.

How many operators does momondo search for flights from Montana to Puerto Rico?

There are 4 operators available for flights from Montana to Puerto Rico as of December 2025.

How old do you have to be to fly from Montana to Puerto Rico?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Puerto Rico.

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

The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$266 Cheap Flights from Montana to Puerto Rico in 2025/26

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One-way

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Cheap round-trip flights

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7:40 am - 11:10 pm

BZN

SJU

12h 30m2 stops

12:10 pm - 10:15 pm

SJU

BZN

13h 05m2 stops

$363Southwest

Wed, Jan 21 - Wed, Jan 28

4:16 pm - 6:11 am

BZN

SJU

10h 55m2 stops

8:10 am - 9:33 pm

SJU

BZN

16h 23m2 stops

$453United Airlines

Sat, Jan 10 - Tue, Jan 13

12:05 pm - 12:36 am

BZN

SJU

9h 31m1 stop

8:35 am - 9:33 pm

SJU

BZN

15h 58m2 stops

$469United Airlines

Wed, Jan 21 - Wed, Jan 28

7:40 am - 11:10 pm

BZN

SJU

12h 30m2 stops

6:10 am - 10:15 pm

SJU

BZN

19h 05m2 stops

$476Southwest

Wed, Feb 4 - Wed, Feb 11

12:05 pm - 12:36 am

BZN

SJU

9h 31m1 stop

2:05 am - 10:57 am

SJU

BZN

11h 52m1 stop

$493United Airlines

Sat, Jan 10 - Mon, Jan 12

6:15 am - 6:25 pm

BZN

SJU

9h 10m1 stop

2:05 am - 10:57 am

SJU

BZN

11h 52m1 stop

$497United Airlines

Wed, Jan 21 - Tue, Jan 27

8:30 am - 8:34 pm

BZN

SJU

10h 04m1 stop

1:05 am - 11:36 am

SJU

BZN

12h 31m2 stops

$508United Airlines

Mon, Jun 1 - Fri, Jun 5

2:15 pm - 10:48 am

BIL

SJU

17h 33m2 stops

7:30 am - 9:35 pm

SJU

BIL

17h 05m1 stop

$531American Airlines

Sat, Feb 7 - Sat, Feb 14

2:03 pm - 4:00 am

BIL

SJU

11h 57m1 stop

11:59 pm - 11:55 am

SJU

BIL

13h 56m1 stop

$570American Airlines

Tue, Apr 28 - Sun, May 10

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

American Airlines flights from Montana to Puerto Rico

Our best American Airlines deals on Montana to Puerto Rico flight tickets

American Airlines

Feb 7

BIL2:15 pmBillings Logan Intl

17h 33m

2 stops

SJU10:48 amSan Juan Luis Munoz Marin Intl

Feb 14

SJU7:30 amSan Juan Luis Munoz Marin Intl

17h 05m

1 stop

BIL9:35 pmBillings Logan Intl

$531

Find similar

American Airlines

Apr 28

BIL2:03 pmBillings Logan Intl

11h 57m

1 stop

SJU4:00 amSan Juan Luis Munoz Marin Intl

May 10

SJU11:59 pmSan Juan Luis Munoz Marin Intl

13h 56m

1 stop

BIL11:55 amBillings Logan Intl

$570

Find similar

American Airlines

Jan 8

MSO1:21 pmMissoula Johnson-Bell Field

18h 27m

2 stops

SJU10:48 amSan Juan Luis Munoz Marin Intl

Jan 21

SJU6:00 amSan Juan Luis Munoz Marin Intl

17h 45m

2 stops

MSO8:45 pmMissoula Johnson-Bell Field

$608

Find similar

Southwest flights from Montana to Puerto Rico

Our best Southwest deals on Montana to Puerto Rico flight tickets

Southwest

Jan 21

BZN7:40 amBozeman Gallatin Field

12h 30m

2 stops

SJU11:10 pmSan Juan Luis Munoz Marin Intl

Jan 28

SJU12:10 pmSan Juan Luis Munoz Marin Intl

13h 05m

2 stops

BZN10:15 pmBozeman Gallatin Field

$363

Find similar

Southwest

Feb 4

BZN7:40 amBozeman Gallatin Field

12h 30m

2 stops

SJU11:10 pmSan Juan Luis Munoz Marin Intl

Feb 11

SJU6:10 amSan Juan Luis Munoz Marin Intl

19h 05m

2 stops

BZN10:15 pmBozeman Gallatin Field

$476

Find similar

Southwest

Apr 2

BZN7:35 amBozeman Gallatin Field

13h 20m

2 stops

SJU10:55 pmSan Juan Luis Munoz Marin Intl

Apr 7

SJU8:10 amSan Juan Luis Munoz Marin Intl

15h 50m

2 stops

BZN10:00 pmBozeman Gallatin Field

$514

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Wed 1/21

7:40 am-11:10 pm

2 stops12h 30m

San Juan Luis Munoz Marin Intl

Wed 1/28

12:10 pm-10:15 pm

2 stops13h 05m

$363

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 1/10

4:16 pm-6:11 am

2 stops10h 55m

San Juan Luis Munoz Marin Intl

Tue 1/13

8:10 am-9:33 pm

2 stops16h 23m

$453

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Wed 1/21

12:05 pm-12:36 am

1 stop9h 31m

San Juan Luis Munoz Marin Intl

Wed 1/28

8:35 am-9:33 pm

2 stops15h 58m

$469

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Wed 2/4

7:40 am-11:10 pm

2 stops12h 30m

San Juan Luis Munoz Marin Intl

Wed 2/11

6:10 am-10:15 pm

2 stops19h 05m

$476

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 1/10

12:05 pm-12:36 am

1 stop9h 31m

San Juan Luis Munoz Marin Intl

Mon 1/12

2:05 am-10:57 am

1 stop11h 52m

$493

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Wed 1/21

6:15 am-6:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Tue 1/27

2:05 am-10:57 am

1 stop11h 52m

$497

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Mon 6/1

8:30 am-8:34 pm

1 stop10h 04m

San Juan Luis Munoz Marin Intl

Fri 6/5

1:05 am-11:36 am

2 stops12h 31m

$508

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 2/7

2:15 pm-10:48 am

2 stops17h 33m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:30 am-9:35 pm

1 stop17h 05m

$531

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Tue 4/28

2:03 pm-4:00 am

1 stop11h 57m

San Juan Luis Munoz Marin Intl

Sun 5/10

11:59 pm-11:55 am

1 stop13h 56m

$570

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana 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

Prices

Airlines

Other information

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in February, then you should wait until November to fly from Montana, when ticket prices are also cheap, with an average price of $411.

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 Montana is on a Sunday. momondo users have found tickets for Sunday departures for as low as $382. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Friday, with ticket prices averaging around $761.

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 at noon. Flights from Montana to Puerto Rico during this time can be as low as $487. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $604.

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

You could potentially save up to 3% on your flight if you consider stops on a Montana to Puerto Rico flight.

Cheap Montana to Puerto Rico flight deals and tips

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

Fastest flight time	8h 25m
Direct flights	None

The fastest flight from Montana to Puerto Rico takes 8h 25m

There are no direct flights from Montana to Puerto Rico. There are no popular flight routes from Montana to Puerto Rico.

Search flight deals

When did momondo last update prices for flights from Montana to Puerto Rico?
Prices for flights from Montana to Puerto Rico were last updated today.
How many operators does momondo search for flights from Montana to Puerto Rico?
There are 4 operators available for flights from Montana to Puerto Rico as of December 2025.
How old do you have to be to fly from Montana to Puerto Rico?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to Puerto Rico

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $208	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
JetBlue	PriceFrom $235	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
United Airlines	PriceFrom $382	Free Cancellation	Rating 7.4 9,109 reviews	Search United Airlines flights
Southwest	PriceFrom $460	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights

Why use momondo?

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

Finding the right flight to Puerto Rico from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Puerto Rico quick and easy, saving you time and money.

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

Flights from Montana to Puerto Rico with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Montana to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Puerto Rico, momondo offers a useful price alert feature which will track prices for flights to Puerto Rico from Montana and alert you when they 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.

Start using Trips

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Thu 1/22

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Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Flights to San Juanfrom $96

Flights to Aguadillafrom $136

Flights to Mayagüezfrom $329

Montana flight routes

Flights from Kalispell Glacier Park to Las Vegas Harry Reid Intl

Flights from Missoula Johnson-Bell Field to Las Vegas Harry Reid Intl

Flights from Bozeman Gallatin Field to Las Vegas Harry Reid Intl

Flights from Billings Logan Intl to Las Vegas Harry Reid Intl

Flights from Bozeman Gallatin Field to Seattle/Tacoma Intl

Flights from Great Falls to Las Vegas Harry Reid Intl

Cheap flights from Montana to Puerto Rico from $266

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Puerto Rico departing on 1/16. 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 Montana to Puerto Rico

Cheap round-trip flights

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Cheap last minute flights

American Airlines flights from Montana to Puerto Rico

Our best American Airlines deals on Montana to Puerto Rico flight tickets

Southwest flights from Montana to Puerto Rico

Our best Southwest deals on Montana to Puerto Rico flight tickets

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

See travel insights to Puerto Rico from

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

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in February, then you should wait until November to fly from Montana, when ticket prices are also cheap, with an average price of $411.

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 at noon. Flights from Montana to Puerto Rico during this time can be as low as $487. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $604.

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

You could potentially save up to 3% on your flight if you consider stops on a Montana to Puerto Rico flight.

What is the cheapest airline that flies from Montana to Puerto Rico?

American Airlines and United Airlines are the most popular carriers operating from Montana to Puerto Rico

What airlines fly to Puerto Rico?

How long is the flight from Montana to Puerto Rico?

Cheap Montana to Puerto Rico flight deals and tips

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

Fastest flight time

Direct flights

When did momondo last update prices for flights from Montana to Puerto Rico?

How many operators does momondo search for flights from Montana to Puerto Rico?

How old do you have to be to fly from Montana to Puerto Rico?

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

Best airlines flying from Montana to Puerto Rico

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

Why use momondo?

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

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

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

I’m not ready to book a flight from Montana 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