How long is the flight from Montana to Puerto Rico?

For as low as $443, Southwest can have you in Puerto Rico from Montana in 12h 30m. The distance from Montana to Puerto Rico is about 3184 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What is the cheapest time of day to fly from MT to PR?

When flying from Montana to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Montana to Puerto Rico that include hotel bookings?

Yes. In addition to deals on Montana to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Montana to Puerto Rico?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Puerto Rico.

Can I find deals for business class flights from Montana to Puerto Rico?

Yes. Cheapflights offers flight deals from Montana to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$184+ Flights from Montana to Puerto Rico

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1. Tell us where you want to go

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Cheap flight deals from Montana to Puerto Rico

Cheapest flights from Montana to Puerto Rico
Explore the most affordable flight options available from Montana to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Wed 12/312:38 pmMSO - SJU

2 stops12h 33mUnited Airlines

Tue 1/138:10 amSJU - MSO

2 stops16h 41mUnited Airlines

Deal found 12/15

$693

Wed 12/176:33 pmBZN - SJU

2 stops19h 47mDelta

Wed 12/314:45 pmSJU - BZN

1 stop10h 01mDelta

Deal found 12/15

$700

Wed 12/176:30 amBZN - SJU

1 stop8h 55mUnited Airlines

Tue 12/302:05 amSJU - BZN

1 stop11h 22mUnited Airlines

Deal found 12/15

$780

Wed 12/171:46 pmBZN - SJU

2 stops19h 11mAmerican Airlines

Wed 12/316:57 pmSJU - BZN

2 stops19h 12mAmerican Airlines

Deal found 12/15

$785

Fri 12/197:15 amBZN - SJU

2 stops12h 07mUnited Airlines

Sun 12/212:25 pmSJU - BZN

1 stop9h 43mUnited Airlines

Deal found 12/15

$815

Wed 12/312:38 pmMSO - SJU

2 stops12h 33mUnited Airlines

Mon 1/123:46 pmSJU - MSO

2 stops24h 49mUnited Airlines

Deal found 12/15

$843

Thu 12/182:38 pmMSO - SJU

2 stops12h 33mUnited Airlines

Mon 12/222:25 pmSJU - MSO

1 stop10h 16mUnited Airlines

Deal found 12/15

$907

Wed 12/176:30 amBZN - SJU

2 stops12h 52mUnited Airlines

Mon 12/292:05 amSJU - BZN

2 stops16h 05mUnited Airlines

Deal found 12/16

$915

Wed 12/317:00 amMSO - SJU

1 stop13h 27mAmerican Airlines

Thu 1/87:07 amSJU - MSO

1 stop16h 38mAmerican Airlines

Deal found 12/15

$1,020

Wed 12/317:00 amMSO - SJU

1 stop13h 27mAmerican Airlines

Wed 1/77:07 amSJU - MSO

1 stop16h 38mAmerican Airlines

Deal found 12/15

$1,100

Wed 12/317:00 amMSO - SJU

1 stop13h 27mAmerican Airlines

Sun 1/117:07 amSJU - MSO

1 stop16h 38mAmerican Airlines

Deal found 12/15

$1,125

Thu 12/187:01 amMSO - SJU

1 stop13h 21mAmerican Airlines

Mon 12/226:44 amSJU - MSO

1 stop17h 40mAmerican Airlines

Deal found 12/15

$1,130

Best flights from Montana to Puerto Rico
Discover carefully curated flight deals from Montana to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Tue 3/37:40 amBZN - SJU

2 stops12h 30mSouthwest

Mon 3/95:30 amSJU - BZN

2 stops15h 00mSouthwest

Deal found 12/15

$443

Thu 6/42:37 pmBZN - SJU

2 stops12h 53mUnited Airlines

Tue 6/91:05 amSJU - BZN

1 stop11h 35mUnited Airlines

Deal found 12/16

$499

Tue 3/36:00 amBZN - SJU

2 stops14h 56mDelta

Mon 3/96:15 amSJU - BZN

1 stop9h 20mDelta

Deal found 12/15

$525

Fri 3/61:24 pmMSO - SJU

2 stops17h 43mAmerican Airlines

Wed 3/114:18 pmSJU - MSO

2 stops22h 30mAmerican Airlines

Deal found 12/17

$531

Wed 4/153:20 pmBZN - SJU

2 stops15h 50mSouthwest

Sun 4/196:25 amSJU - BZN

2 stops18h 20mSouthwest

Deal found 12/14

$462

Thu 2/191:24 pmMSO - SJU

2 stops17h 43mAmerican Airlines

Fri 2/277:00 amSJU - MSO

2 stops17h 41mAmerican Airlines

Deal found 12/16

$531

Sun 1/256:30 amBIL - SJU

1 stop8h 55mUnited Airlines

Thu 1/298:35 amSJU - BIL

2 stops15h 48mUnited Airlines

Deal found 12/16

$531

Thu 6/411:15 amBZN - SJU

2 stops12h 05mSouthwest

Wed 6/105:00 amSJU - BZN

2 stops10h 50mSouthwest

Deal found 12/16

$523

Thu 1/81:21 pmMSO - SJU

2 stops18h 27mAmerican Airlines

Wed 1/216:00 amSJU - MSO

2 stops17h 45mAmerican Airlines

Deal found 12/16

$531

Tue 3/38:11 amBZN - SJU

1 stop9h 49mUnited Airlines

Sun 3/81:05 amSJU - BZN

1 stop11h 34mUnited Airlines

Deal found 12/15

$534

Fri 1/302:13 pmBZN - SJU

2 stops19h 14mAmerican Airlines

Fri 2/66:00 amSJU - BZN

2 stops19h 02mAmerican Airlines

Deal found 12/17

$531

Mon 1/125:54 pmFCA - SJU

2 stops16h 11mDelta

Fri 1/236:09 amSJU - FCA

2 stops19h 43mDelta

Deal found 12/17

$683

Fri 2/271:36 pmBZN - SJU

1 stop12h 24mAmerican Airlines

Tue 3/34:37 pmSJU - BZN

2 stops23h 17mAmerican Airlines

Deal found 12/15

$531

Mon 2/236:15 amMSO - SJU

1 stop9h 10mUnited Airlines

Thu 2/262:25 pmSJU - MSO

1 stop10h 32mUnited Airlines

Deal found 12/14

$621

Wed 2/181:53 pmBIL - SJU

2 stops17h 14mAmerican Airlines

Wed 3/47:30 amSJU - BIL

1 stop17h 05mAmerican Airlines

Deal found 12/15

$531

Mon 1/266:00 amFCA - SJU

1 stop9h 25mUnited Airlines

Thu 1/293:46 pmSJU - FCA

2 stops24h 13mUnited Airlines

Deal found 12/14

$677

Tue 3/37:00 amMSO - SJU

1 stop13h 32mAmerican Airlines

Mon 3/96:33 amSJU - MSO

1 stop17h 16mAmerican Airlines

Deal found 12/15

$570

Sat 2/72:15 pmBIL - SJU

2 stops19h 12mAmerican Airlines

Sat 2/147:30 amSJU - BIL

1 stop17h 05mAmerican Airlines

Deal found 12/16

$570

Thu 1/291:21 pmMSO - SJU

2 stops20h 47mAmerican Airlines

Thu 2/127:00 amSJU - MSO

2 stops17h 41mAmerican Airlines

Deal found 12/16

$598

Mon 1/122:42 pmFCA - SJU

2 stops19h 35mUnited Airlines

Fri 1/232:25 pmSJU - FCA

1 stop10h 34mUnited Airlines

Deal found 12/17

$831

Wed 3/181:51 pmBIL - SJU

2 stops17h 09mAmerican Airlines

Tue 3/246:00 amSJU - BIL

2 stops17h 50mAmerican Airlines

Deal found 12/15

$618

Tue 4/282:03 pmBIL - SJU

2 stops18h 57mAmerican Airlines

Sun 5/106:59 amSJU - BIL

1 stop15h 47mAmerican Airlines

Deal found 12/15

$618

Tue 12/305:20 amFCA - SJU

2 stops15h 39mDelta

Sat 1/37:00 amSJU - FCA

2 stops19h 21mDelta

Deal found 12/15

$2,075

Mon 1/126:25 amFCA - SJU

2 stops13h 01mMultiple Airlines

Fri 1/237:07 amSJU - FCA

2 stops19h 51mMultiple Airlines

Deal found 12/17

$9,353

Tue 12/305:15 pmFCA - SJU

1 stop22h 10mUnited Airlines

Sat 1/38:10 amSJU - FCA

1 stop30h 32mUnited Airlines

Deal found 12/15

$4,006

Last-minute flights from Montana to Puerto Rico
Discover last-minute flight deals from Montana to Puerto Rico. Data last updated December 18, 2025 and is based on user searches.

Wed 12/176:33 pmBZN - SJU

2 stops19h 47mDelta

Wed 12/314:45 pmSJU - BZN

1 stop10h 01mDelta

Deal found 12/15

$700

Wed 12/312:38 pmMSO - SJU

2 stops12h 33mUnited Airlines

Tue 1/138:10 amSJU - MSO

2 stops16h 41mUnited Airlines

Deal found 12/15

$693

Mon 1/51:18 pmMSO - SJU

1 stop12h 42mAmerican Airlines

Mon 1/197:12 pmSJU - MSO

2 stops20h 38mAmerican Airlines

Deal found 12/16

$647

Tue 1/66:18 pmMSO - SJU

2 stops15h 47mDelta

Tue 1/132:15 pmSJU - MSO

2 stops13h 14mDelta

Deal found 12/15

$683

Tue 1/67:00 amMSO - SJU

1 stop12h 26mAmerican Airlines

Tue 1/134:49 pmSJU - MSO

2 stops23h 01mAmerican Airlines

Deal found 12/15

$738

Thu 1/81:21 pmMSO - SJU

2 stops20h 09mAmerican Airlines

Wed 1/217:07 amSJU - MSO

1 stop16h 38mAmerican Airlines

Deal found 12/17

$531

Mon 1/125:54 pmFCA - SJU

2 stops16h 11mDelta

Fri 1/236:09 amSJU - FCA

2 stops19h 43mDelta

Deal found 12/17

$683

Thu 1/157:00 amMSO - SJU

1 stop12h 26mAmerican Airlines

Thu 1/297:07 amSJU - MSO

1 stop16h 38mAmerican Airlines

Deal found 12/16

$628

Sun 1/256:30 amBIL - SJU

2 stops11h 30mUnited Airlines

Thu 1/298:35 amSJU - BIL

2 stops15h 48mUnited Airlines

Deal found 12/16

$531

Mon 1/261:40 pmFCA - SJU

2 stops20h 37mUnited Airlines

Thu 1/293:46 pmSJU - FCA

2 stops24h 13mUnited Airlines

Deal found 12/14

$672

Thu 1/297:00 amMSO - SJU

1 stop12h 26mAmerican Airlines

Thu 2/126:00 amSJU - MSO

1 stop18h 41mAmerican Airlines

Deal found 12/16

$570

Fri 1/307:00 amBZN - SJU

1 stop11h 39mAmerican Airlines

Fri 2/66:00 amSJU - BZN

2 stops19h 02mAmerican Airlines

Deal found 12/17

$531

One-way flights from Montana to Puerto Rico
Search for one-way flight options from Montana to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Mon 1/2610:53 amMSO - SJU

3 stops58h 06mMultiple Airlines

Deal found 12/16

$184

Fri 1/2310:53 amMSO - SJU

3 stops46h 51mMultiple Airlines

Deal found 12/16

$187

Sun 1/257:23 pmMSO - SJU

3 stops41h 03mMultiple Airlines

Deal found 12/16

$199

Tue 3/248:00 amBZN - SJU

2 stops13h 36mUnited Airlines

Deal found 12/17

$227

Mon 3/233:19 pmBZN - SJU

2 stops18h 41mDelta

Deal found 12/17

$235

Thu 1/227:23 pmMSO - SJU

3 stops35h 24mMultiple Airlines

Deal found 12/16

$260

Tue 3/37:55 amMSO - SJU

2 stops13h 01mDelta

Deal found 12/15

$266

Tue 3/2411:50 amBZN - SJU

1 stop9h 33mJetBlue

Deal found 12/17

$290

Fri 3/61:24 pmMSO - SJU

1 stop12h 36mAmerican Airlines

Deal found 12/17

$305

Tue 1/206:00 amMSO - SJU

1 stop9h 25mUnited Airlines

Deal found 12/16

$311

Sat 1/247:00 amMSO - SJU

1 stop12h 26mAmerican Airlines

Deal found 12/16

$321

Wed 3/181:47 pmBZN - SJU

2 stops17h 13mAmerican Airlines

Deal found 12/17

$321

Find flight deals from Montana to Puerto Rico

Round-trip from	$443 (Southwest)
One-way from	$184 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$880

From Montana to Puerto Rico

Search Deals

One-way flight from Montana to Puerto Rico

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Tue 3/3

7:40 am-11:10 pm

2 stops12h 30m

San Juan Luis Munoz Marin Intl

Mon 3/9

5:30 am-6:30 pm

2 stops15h 00m

$443

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Wed 4/15

3:20 pm-9:10 am

2 stops15h 50m

San Juan Luis Munoz Marin Intl

Sun 4/19

6:25 am-10:45 pm

2 stops18h 20m

$462

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Thu 6/4

2:37 pm-5:30 am

2 stops12h 53m

San Juan Luis Munoz Marin Intl

Tue 6/9

1:05 am-10:40 am

1 stop11h 35m

$499

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Thu 6/4

11:15 am-1:20 am

2 stops12h 05m

San Juan Luis Munoz Marin Intl

Wed 6/10

5:00 am-1:50 pm

2 stops10h 50m

$523

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Tue 3/3

6:00 am-11:56 pm

2 stops14h 56m

San Juan Luis Munoz Marin Intl

Mon 3/9

6:15 am-1:35 pm

1 stop9h 20m

$525

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Fri 3/6

1:24 pm-10:07 am

2 stops17h 43m

San Juan Luis Munoz Marin Intl

Wed 3/11

4:18 pm-12:48 pm

2 stops22h 30m

$531

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 2/19

1:24 pm-10:07 am

2 stops17h 43m

San Juan Luis Munoz Marin Intl

Fri 2/27

7:00 am-9:41 pm

2 stops17h 41m

$531

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sun 1/25

6:30 am-6:25 pm

1 stop8h 55m

San Juan Luis Munoz Marin Intl

Thu 1/29

8:35 am-9:23 pm

2 stops15h 48m

$531

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

1:21 pm-10:48 am

2 stops18h 27m

San Juan Luis Munoz Marin Intl

Wed 1/21

6:00 am-8:45 pm

2 stops17h 45m

$531

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 1/30

2:13 pm-12:27 pm

2 stops19h 14m

San Juan Luis Munoz Marin Intl

Fri 2/6

6:00 am-10:02 pm

2 stops19h 02m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 45 results

...

Best time to book a flight from Montana to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Montana with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montana to Puerto Rico

What is the cheapest month to book a flight from Montana to Puerto Rico?

Currently, February is the cheapest month in which you can book a flight from Montana to Puerto Rico (average of $216). Flying from Montana to Puerto Rico in December is currently the most expensive (average of $554). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

How long is the flight from Montana to Puerto Rico?
For as low as $443, Southwest can have you in Puerto Rico from Montana in 12h 30m. The distance from Montana to Puerto Rico is about 3184 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Montana to Puerto Rico that include hotel bookings?
Yes. In addition to deals on Montana to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montana to Puerto Rico?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Puerto Rico.
Can I find deals for business class flights from Montana to Puerto Rico?
Yes. Cheapflights offers flight deals from Montana to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Montana to Puerto Rico?
Currently, February is the cheapest month in which you can book a flight from Montana to Puerto Rico (average of $216). Flying from Montana to Puerto Rico in December is currently the most expensive (average of $554). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Montana to Puerto Rico

John F Kennedy Intl to Luis Munoz Marin Intl flights

Newark to Luis Munoz Marin Intl flights

John F Kennedy Intl to Santiago de los Caballeros flights

John F Kennedy Intl to Santo Domingo flights

LaGuardia to Luis Munoz Marin Intl flights

O'Hare Intl to Luis Munoz Marin Intl flights

John F Kennedy Intl to Punta Cana flights

Dulles Intl to Luis Munoz Marin Intl flights

Newark to Santo Domingo flights

Newark to Punta Cana flights

Philadelphia to Luis Munoz Marin Intl flights

Orlando to Luis Munoz Marin Intl flights

Boston to Luis Munoz Marin Intl flights

Newark to Santiago de los Caballeros flights

Baltimore to Luis Munoz Marin Intl flights

Reagan-National to Luis Munoz Marin Intl flights

Newark to Oranjestad flights

John F Kennedy Intl to Oranjestad flights

Dallas/Fort Worth to Luis Munoz Marin Intl flights

Atlanta to Luis Munoz Marin Intl flights

Hartford to Luis Munoz Marin Intl flights

John F Kennedy Intl to Port of Spain flights

LaGuardia to Punta Cana flights

John F Kennedy Intl to Montego Bay flights

Tampa to Luis Munoz Marin Intl flights

LaGuardia to Santo Domingo flights

Boston to Oranjestad flights

Newark to Simpson Bay flights

Boston to Santo Domingo flights

Raleigh to Luis Munoz Marin Intl flights

O'Hare Intl to Punta Cana flights

John F Kennedy Intl to Simpson Bay flights

Newark to Nassau flights

Detroit to Luis Munoz Marin Intl flights

Dulles Intl to Punta Cana flights

Boston to Punta Cana flights

Minneapolis to Luis Munoz Marin Intl flights

Fort Lauderdale to Luis Munoz Marin Intl flights

Orlando to Punta Cana flights

Hobby to Luis Munoz Marin Intl flights

Newark to Montego Bay flights

Midway to Luis Munoz Marin Intl flights

John F Kennedy Intl to Kingston flights

John F Kennedy Intl to Nassau flights

LaGuardia to Oranjestad flights

Newark to Saint Thomas Island flights

John F Kennedy Intl to Providenciales flights

John F Kennedy Intl to Saint Thomas Island flights

Miami to Santo Domingo flights

Fort Lauderdale to Santo Domingo flights

Complete your trip

Puerto Rico car rentals

San Juan Luis Munoz Marin Intl Airport car rentals

Aguadilla Borinquen Airport car rentals

Ponce Mercedita Airport car rentals

San Juan Isla Grande Airport car rentals

Vieques Airport car rentals

Mayagüez Eugenio M De Hostos Airport car rentals

San Juan car rentals

Aguadilla car rentals

Ponce car rentals

Top 4 airlines flying from Montana to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$208	Average$394	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$235	Average$712	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$382	Average$778	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$460	Average$529	FlexibilityNo cancel fee	On-time63%

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$184+ Cheap flights from Montana to Puerto Rico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Montana to Puerto Rico

Cheapest flights from Montana to Puerto RicoExplore the most affordable flight options available from Montana to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Montana to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Montana to Puerto Rico

Keep the following information in mind while searching for Montana to Puerto Rico flight deals. Data was last updated December 18, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Montana to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Montana with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Montana to Puerto Rico

What is the cheapest month to book a flight from Montana to Puerto Rico?

Related info for your journey

Find useful and relevant information for your journey from Montana to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Montana to Puerto Rico?

Can I find deals for flights from Montana to Puerto Rico that include hotel bookings?

How can I find direct flights from Montana to Puerto Rico?

Can I find deals for business class flights from Montana to Puerto Rico?

What is the cheapest month to book a flight from Montana to Puerto Rico?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montana to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Montana to Puerto Rico

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Cheapest flights from Montana to Puerto Rico
Explore the most affordable flight options available from Montana to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.