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Puerto Rico

$182+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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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 April 24, 2025.

Round-trip from

$495
(Delta)

One-way from

$182
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$630
From Montana to Puerto Rico
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One-way flight from Montana to Puerto Rico
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 24, 2025.

This Delta deal was found by Cheapflights users on 4/23. 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.
Tue 7/226:10 pmMSO - SJU
2 stops17h 00mDelta
Tue 7/292:15 pmSJU - MSO
2 stops12h 09mDelta
Deal found 4/23$495
This Southwest deal was found by Cheapflights users on 4/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:05 amBZN - SJU
2 stops10h 55mSouthwest
Fri 8/85:00 amSJU - BZN
2 stops13h 25mSouthwest
Deal found 4/23$525
This United Airlines deal was found by Cheapflights users on 4/23. 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 7/2212:50 pmBIL - SJU
1 stop9h 04mUnited Airlines
Tue 7/291:40 pmSJU - BIL
1 stop9h 23mUnited Airlines
Deal found 4/23$585
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/86:20 amMSO - SJU
1 stop9h 10mUnited Airlines
Mon 5/127:45 amSJU - MSO
2 stops15h 34mUnited Airlines
Deal found 4/23$655
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/91:54 pmMSO - SJU
1 stop13h 12mAmerican Airlines
Fri 6/2012:59 amSJU - MSO
2 stops16h 11mAmerican Airlines
Deal found 4/23$670
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/44:32 pmBZN - SJU
2 stops20h 12mUnited Airlines
Thu 8/72:05 amSJU - BZN
2 stops15h 21mUnited Airlines
Deal found 4/23$675
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 7/226:00 amBIL - SJU
2 stops16h 27mAmerican Airlines
Tue 7/2911:59 amSJU - BIL
2 stops13h 08mAmerican Airlines
Deal found 4/23$680
This American Airlines deal was found by Cheapflights users on 4/23. 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 8/47:25 amBZN - SJU
1 stop14h 00mAmerican Airlines
Fri 8/84:05 pmSJU - BZN
2 stops20h 14mAmerican Airlines
Deal found 4/23$725
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/95:45 amMSO - SJU
3 stops21h 21mAlaska Airlines
Fri 6/2012:59 amSJU - MSO
2 stops18h 57mAlaska Airlines
Deal found 4/23$1,030
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/43:00 pmBZN - SJU
2 stops21h 18mAlaska Airlines
Fri 8/83:08 pmSJU - BZN
3 stops23h 58mAlaska Airlines
Deal found 4/23$1,354
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/136:10 amFCA - SJU
1 stop9h 20mUnited Airlines
Tue 5/201:40 pmSJU - FCA
1 stop10h 01mUnited Airlines
Deal found 4/22$1,555
This Delta deal was found by Cheapflights users on 4/22. 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 12/175:45 amBZN - SJU
2 stops14h 32mDelta
Mon 12/293:13 amSJU - BZN
2 stops12h 43mDelta
Deal found 4/22$1,575

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 April 24, 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

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 7/22

6:10 pm-1:10 pm

2 stops17h 00m

San Juan Luis Munoz Marin Intl

Tue 7/29

2:15 pm-12:24 am

2 stops12h 09m

$495

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Mon 8/4

5:05 am-6:00 pm

2 stops10h 55m

San Juan Luis Munoz Marin Intl

Fri 8/8

5:00 am-4:25 pm

2 stops13h 25m

$525

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Tue 7/22

12:50 pm-11:54 pm

1 stop9h 04m

San Juan Luis Munoz Marin Intl

Tue 7/29

1:40 pm-9:03 pm

1 stop9h 23m

$585

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 5/8

6:20 am-5:30 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Mon 5/12

7:45 am-9:19 pm

2 stops15h 34m

$655

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 6/9

1:54 pm-5:06 am

1 stop13h 12m

San Juan Luis Munoz Marin Intl

Fri 6/20

12:59 am-3:10 pm

2 stops16h 11m

$670

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Mon 8/4

4:32 pm-2:44 pm

2 stops20h 12m

San Juan Luis Munoz Marin Intl

Thu 8/7

2:05 am-3:26 pm

2 stops15h 21m

$675

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Tue 7/22

6:00 am-12:27 am

2 stops16h 27m

San Juan Luis Munoz Marin Intl

Tue 7/29

11:59 am-11:07 pm

2 stops13h 08m

$680

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Mon 8/4

7:25 am-11:25 pm

1 stop14h 00m

San Juan Luis Munoz Marin Intl

Fri 8/8

4:05 pm-10:19 am

2 stops20h 14m

$725

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 6/9

5:45 am-5:06 am

3 stops21h 21m

San Juan Luis Munoz Marin Intl

Fri 6/20

12:59 am-5:56 pm

2 stops18h 57m

$1,030

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Mon 8/4

3:00 pm-2:18 pm

2 stops21h 18m

San Juan Luis Munoz Marin Intl

Fri 8/8

3:08 pm-1:06 pm

3 stops23h 58m

$1,354

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 19 results
1
2

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, September is the cheapest month in which you can book a flight from Montana to Puerto Rico (average of $254). Flying from Montana to Puerto Rico in December is currently the most expensive (average of $336). 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.

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

Find hourly flight availability from Montana to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

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.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

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.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated April 24, 2025.
To help decide which airline to fly from Montana to Puerto Rico, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    $253 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $259 and $528, 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, September is the cheapest month in which you can book a flight from Montana to Puerto Rico (average of $254). Flying from Montana to Puerto Rico in December is currently the most expensive (average of $336). 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

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Alternative routes for Montana to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Montana to Puerto Rico

Discover the top 5 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$235Average$712FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$294Average$767FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$352Average$785FlexibilityNo cancel feeOn-time69%
DeltaCheapest$374Average$394FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$479Average$529FlexibilityNo cancel feeOn-time63%

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