HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$362+ 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to Puerto Rico with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find 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 November 17, 2025.

This Mytrip deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:21 amMSO - SJU
3 stops34h 04mMultiple Airlines
Thu 12/116:00 amSJU - MSO
3 stops30h 31mMultiple Airlines
Deal found 11/16$410
This Delta deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 amBZN - SJU
2 stops15h 00mDelta
Mon 1/126:15 amSJU - BZN
1 stop10h 14mDelta
Deal found 11/17$495
This Delta deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:16 pmMSO - SJU
2 stops15h 42mDelta
Thu 12/117:19 amSJU - MSO
2 stops17h 34mDelta
Deal found 11/16$531
This American Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:46 pmBZN - SJU
2 stops19h 11mAmerican Airlines
Wed 12/3110:03 pmSJU - BZN
2 stops19h 51mAmerican Airlines
Deal found 11/16$531
This United Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:25 pmBZN - SJU
2 stops10h 46mUnited Airlines
Tue 1/137:45 amSJU - BZN
2 stops16h 48mUnited Airlines
Deal found 11/17$533
This Delta deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 amBZN - SJU
2 stops15h 00mDelta
Tue 1/137:30 amSJU - BZN
1 stop8h 59mDelta
Deal found 11/17$540
This American Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:00 amMSO - SJU
1 stop11h 25mAmerican Airlines
Thu 12/117:00 amSJU - MSO
1 stop16h 33mAmerican Airlines
Deal found 11/16$570
This American Airlines deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:58 pmBIL - SJU
2 stops17h 11mAmerican Airlines
Mon 12/156:42 pmSJU - BIL
2 stops21h 46mAmerican Airlines
Deal found 11/15$570
This United Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:22 pmBZN - SJU
2 stops25h 00mUnited Airlines
Tue 1/137:45 amSJU - BZN
2 stops16h 48mUnited Airlines
Deal found 11/17$576
This American Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:58 pmBIL - SJU
2 stops19h 01mAmerican Airlines
Mon 12/86:42 pmSJU - BIL
2 stops21h 46mAmerican Airlines
Deal found 11/17$608
This United Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:00 amBIL - SJU
1 stop8h 25mUnited Airlines
Thu 12/118:30 amSJU - BIL
2 stops15h 51mUnited Airlines
Deal found 11/16$621
This American Airlines deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:58 pmBIL - SJU
2 stops17h 11mAmerican Airlines
Thu 12/1111:00 amSJU - BIL
2 stops13h 15mAmerican Airlines
Deal found 11/14$641

Cheap 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 November 17, 2025.

Round-trip from

$363
(Southwest)

One-way from

$362
(Priceline)

Popular in

December

Cheapest in

January

Average price

$476
From Montana to Puerto Rico
Search Deals
One-way flight from Montana to Puerto Rico
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana 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, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
Use the filters below to find and compare flights from Montana to Puerto Rico that are best for you.

Fly from

Montana

Fly to

Puerto Rico

Route

Depart

Return

Price

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 1/16

3:30 pm-11:15 am

2 stops16h 45m

San Juan Luis Munoz Marin Intl

Fri 1/23

6:10 am-10:15 pm

2 stops19h 05m

$403

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 12/8

10:21 am-11:25 pm

3 stops34h 04m

San Juan Luis Munoz Marin Intl

Thu 12/11

6:00 am-9:31 am

3 stops30h 31m

$410

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 2/27

4:29 pm-6:11 am

2 stops10h 42m

San Juan Luis Munoz Marin Intl

Mon 3/2

2:05 am-10:39 am

1 stop11h 34m

$453

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Tue 3/24

8:00 am-8:00 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Tue 3/31

7:40 am-9:17 pm

2 stops15h 37m

$493

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Wed 12/31

5:20 am-11:20 pm

2 stops15h 00m

San Juan Luis Munoz Marin Intl

Mon 1/12

6:15 am-1:29 pm

1 stop10h 14m

$495

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 1/7

6:30 am-12:36 am

2 stops15h 06m

San Juan Luis Munoz Marin Intl

Tue 1/13

2:05 am-3:20 pm

2 stops16h 15m

$495

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 2/2

7:00 am-10:26 pm

1 stop12h 26m

San Juan Luis Munoz Marin Intl

Tue 2/10

5:51 pm-12:50 pm

2 stops21h 59m

$531

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

1:21 pm-1:08 pm

2 stops20h 47m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:07 am-8:45 pm

1 stop16h 38m

$531

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 12/8

6:16 pm-12:58 pm

2 stops15h 42m

San Juan Luis Munoz Marin Intl

Thu 12/11

7:19 am-9:53 pm

2 stops17h 34m

$531

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Thu 2/5

2:13 pm-10:48 am

2 stops17h 35m

San Juan Luis Munoz Marin Intl

Mon 2/9

7:12 pm-1:19 pm

2 stops21h 07m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 26 results
1
2
3

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 $562). 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

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?

    For as low as $453, Southwest can have you in Puerto Rico from Montana in 10h 42m. 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.

  • What are the cheapest airlines to fly from Montana to Puerto Rico one-way?

    $362 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $388 and $422, respectively.

  • 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 $562). 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

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.
John F Kennedy Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santo Domingo flights
Newark to Luis Munoz Marin Intl flights
Newark to Santo Domingo flights
John F Kennedy Intl to Santiago de los Caballeros flights
Dulles Intl to Luis Munoz Marin Intl flights
Newark to Punta Cana flights
O'Hare Intl to Luis Munoz Marin Intl flights
Newark to Santiago de los Caballeros flights
John F Kennedy Intl to Punta Cana flights
Boston to Luis Munoz Marin Intl flights
Newark to Oranjestad flights
Orlando to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
Baltimore to Luis Munoz Marin Intl flights
O'Hare Intl to Punta Cana flights
LaGuardia to Luis Munoz Marin Intl flights
John F Kennedy Intl to Montego Bay flights
Philadelphia to Luis Munoz Marin Intl flights
John F Kennedy Intl to Oranjestad flights
LaGuardia to Santo Domingo flights
Atlanta to Luis Munoz Marin Intl flights
LaGuardia to Punta Cana flights
Hartford to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Boston to Santo Domingo flights
John F Kennedy Intl to Port of Spain flights
Tampa to Luis Munoz Marin Intl flights
Minneapolis to Luis Munoz Marin Intl flights
Orlando to Punta Cana flights
Boston to Oranjestad flights
John F Kennedy Intl to Kingston flights
Raleigh to Luis Munoz Marin Intl flights
Newark to Simpson Bay flights
John F Kennedy Intl to Simpson Bay flights
Dulles Intl to Punta Cana flights
Hobby to Luis Munoz Marin Intl flights
Detroit to Luis Munoz Marin Intl flights
John F Kennedy Intl to Saint Thomas Island flights
Newark to Saint Thomas Island flights
John F Kennedy Intl to Nassau flights
Newark to Montego Bay flights
LaGuardia to Oranjestad flights
Fort Lauderdale to Santo Domingo flights
Miami to Santo Domingo flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Newark to Providenciales flights
Newark to Nassau flights
John F Kennedy Intl to Providenciales flights

Top 4 airlines flying from Montana to Puerto Rico

Discover the top 4 airlines that operate flights from Montana to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$394FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$235Average$712FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$352Average$793FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$479Average$546FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.