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Puerto Rico

$208+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Round-trip from

$495
(Delta)

One-way from

$208
(Delta)

Popular in

June

Cheapest in

January

Average price

$529
From Montana to Puerto Rico
Search Deals
One-way flight from Montana to Puerto Rico
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Delta deal was found by Cheapflights users on 3/29. 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 10/275:45 amBZN - SJU
2 stops15h 34mDelta
Fri 10/311:10 pmSJU - BZN
2 stops13h 42mDelta
Deal found 3/29$415
This Delta deal was found by Cheapflights users on 3/31. 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 4/295:55 pmFCA - SJU
2 stops16h 14mDelta
Tue 5/61:19 pmSJU - FCA
2 stops13h 11mDelta
Deal found 3/31$495
This United Airlines deal was found by Cheapflights users on 3/29. 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 10/277:00 amBZN - SJU
1 stop8h 19mUnited Airlines
Thu 10/301:05 amSJU - BZN
2 stops14h 23mUnited Airlines
Deal found 3/29$505
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/262:02 pmBIL - SJU
1 stop12h 58mAmerican Airlines
Wed 4/306:05 amSJU - BIL
1 stop9h 23mAmerican Airlines
Deal found 3/30$505
This American Airlines deal was found by Cheapflights users on 3/29. 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 5/61:15 pmFCA - SJU
2 stops19h 44mAmerican Airlines
Tue 5/205:30 pmSJU - FCA
2 stops21h 01mAmerican Airlines
Deal found 3/29$560
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/221:51 pmBZN - SJU
1 stop13h 09mAmerican Airlines
Tue 4/293:35 pmSJU - BZN
2 stops23h 32mAmerican Airlines
Deal found 3/31$570
This Delta deal was found by Cheapflights users on 3/30. 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 4/226:15 pmMSO - SJU
2 stops15h 54mDelta
Fri 5/27:15 amSJU - MSO
2 stops15h 10mDelta
Deal found 3/30$578
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:10 amFCA - SJU
2 stops15h 44mUnited Airlines
Mon 5/51:05 amSJU - FCA
2 stops14h 26mUnited Airlines
Deal found 3/31$585
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/226:25 amMSO - SJU
1 stop9h 05mUnited Airlines
Fri 5/27:45 amSJU - MSO
2 stops15h 34mUnited Airlines
Deal found 3/30$595
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/267:00 amBIL - SJU
1 stop8h 30mUnited Airlines
Tue 4/291:05 amSJU - BIL
2 stops14h 13mUnited Airlines
Deal found 3/31$595
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 5/21:32 pmMSO - SJU
1 stop13h 28mAmerican Airlines
Tue 5/63:35 pmSJU - MSO
2 stops22h 51mAmerican Airlines
Deal found 3/31$611
This Southwest deal was found by Cheapflights users on 3/31. 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.
Tue 4/227:00 amBZN - SJU
2 stops13h 30mSouthwest
Tue 4/296:05 amSJU - BZN
2 stops19h 20mSouthwest
Deal found 3/31$620

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 March 31, 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

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Tue 4/29

5:55 pm-12:09 pm

2 stops16h 14m

San Juan Luis Munoz Marin Intl

Tue 5/6

1:19 pm-12:30 am

2 stops13h 11m

$495

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 5/3

6:00 am-11:15 pm

2 stops15h 15m

San Juan Luis Munoz Marin Intl

Sat 5/10

1:55 pm-11:31 pm

2 stops11h 36m

$500

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 5/3

12:40 pm-11:54 pm

1 stop9h 14m

San Juan Luis Munoz Marin Intl

Sat 5/10

3:56 pm-11:55 pm

1 stop9h 59m

$505

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 4/26

2:02 pm-11:00 am

2 stops18h 58m

San Juan Luis Munoz Marin Intl

Wed 4/30

6:05 am-1:28 pm

1 stop9h 23m

$505

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Tue 5/6

1:15 pm-5:12 am

1 stop13h 57m

San Juan Luis Munoz Marin Intl

Tue 5/20

3:35 pm-12:31 pm

2 stops22h 56m

$560

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Tue 4/22

1:51 pm-5:00 am

1 stop13h 09m

San Juan Luis Munoz Marin Intl

Tue 4/29

3:35 pm-1:07 pm

2 stops23h 32m

$570

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 4/22

6:15 pm-12:09 pm

2 stops15h 54m

San Juan Luis Munoz Marin Intl

Fri 5/2

7:15 am-8:25 pm

2 stops15h 10m

$578

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Tue 4/29

6:10 am-5:30 pm

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Mon 5/5

1:05 am-1:31 pm

2 stops14h 26m

$585

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 4/22

6:25 am-5:30 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Fri 5/2

7:45 am-9:19 pm

2 stops15h 34m

$595

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 4/26

5:00 am-8:38 pm

2 stops13h 38m

San Juan Luis Munoz Marin Intl

Tue 4/29

1:05 am-1:18 pm

2 stops14h 13m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 20 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 March 31, 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 March 31, 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
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    $208 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $232 and $248, 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$235Average$712FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$294Average$762FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$352Average$783FlexibilityNo cancel feeOn-time69%
DeltaCheapest$374Average$394FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$479Average$529FlexibilityNo cancel feeOn-time63%
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