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Puerto Rico

$258+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
mai 6 — mai 131
ter 5/6
ter 5/13
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 maio 1, 2025.

Round-trip from

$502
(Delta)

One-way from

$258
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$603
From Montana to Puerto Rico
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One-way flight from Montana to Puerto Rico
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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 May 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 maio 1, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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.
ter 7/16:00 amBZN - SJU
2 stops14h 48mDelta
dom 7/66:15 amSJU - BZN
1 stop10h 08mDelta
Deal found 4/29$502
This Delta deal was found by Cheapflights users on 4/30. 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.
qua 7/96:24 pmMSO - SJU
2 stops16h 56mDelta
sáb 7/194:25 pmSJU - MSO
1 stop9h 18mDelta
Deal found 4/30$510
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 7/15:00 amBZN - SJU
2 stops14h 15mSouthwest
dom 7/65:00 amSJU - BZN
2 stops12h 55mSouthwest
Deal found 4/29$575
This American Airlines deal was found by Cheapflights users on 5/1. 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.
seg 6/91:54 pmMSO - SJU
1 stop13h 12mAmerican Airlines
sex 6/2012:59 amSJU - MSO
2 stops16h 11mAmerican Airlines
Deal found 5/1$605
This American Airlines deal was found by Cheapflights users on 4/30. 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.
ter 7/226:01 amBIL - SJU
2 stops16h 26mAmerican Airlines
ter 7/296:04 amSJU - BIL
2 stops18h 07mAmerican Airlines
Deal found 4/30$641
This United Airlines deal was found by Cheapflights users on 4/30. 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.
dom 6/112:30 pmBIL - SJU
1 stop9h 24mUnited Airlines
sex 6/131:40 pmSJU - BIL
1 stop9h 34mUnited Airlines
Deal found 4/30$663
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 7/111:30 amBZN - SJU
1 stop11h 19mJetBlue
sáb 7/53:25 amSJU - BZN
1 stop12h 31mJetBlue
Deal found 4/29$683
This United Airlines deal was found by Cheapflights users on 4/29. 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.
ter 5/1312:40 pmBZN - SJU
1 stop9h 14mUnited Airlines
sex 5/161:40 pmSJU - BZN
1 stop12h 04mUnited Airlines
Deal found 4/29$685
This American Airlines deal was found by Cheapflights users on 4/29. 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.
qua 5/141:49 pmBZN - SJU
2 stops20h 50mAmerican Airlines
qui 5/153:35 pmSJU - BZN
2 stops23h 21mAmerican Airlines
Deal found 4/29$785
This Delta deal was found by Cheapflights users on 4/30. 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.
qua 5/216:23 amBIL - SJU
2 stops14h 24mDelta
qua 5/281:55 pmSJU - BIL
2 stops11h 03mDelta
Deal found 4/30$795
This United Airlines deal was found by Cheapflights users on 4/30. 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.
ter 7/225:20 pmMSO - SJU
2 stops16h 37mUnited Airlines
seg 7/282:05 amSJU - MSO
2 stops13h 18mUnited Airlines
Deal found 4/30$823
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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.
qua 7/95:45 amMSO - SJU
3 stops21h 21mAlaska Airlines
seg 7/213:23 pmSJU - MSO
2 stops23h 12mAlaska Airlines
Deal found 5/1$1,431

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 maio 1, 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

ter 7/1

6:00 am-10:48 pm

2 stops14h 48m

San Juan Luis Munoz Marin Intl

dom 7/6

6:15 am-2:23 pm

1 stop10h 08m

$502

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

qua 7/9

6:24 pm-1:20 pm

2 stops16h 56m

San Juan Luis Munoz Marin Intl

sáb 7/19

4:25 pm-11:43 pm

1 stop9h 18m

$510

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

ter 7/1

5:00 am-9:15 pm

2 stops14h 15m

San Juan Luis Munoz Marin Intl

dom 7/6

5:00 am-3:55 pm

2 stops12h 55m

$575

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

seg 6/9

1:54 pm-5:06 am

1 stop13h 12m

San Juan Luis Munoz Marin Intl

sex 6/20

12:59 am-3:10 pm

2 stops16h 11m

$605

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

ter 7/22

6:01 am-12:27 am

2 stops16h 26m

San Juan Luis Munoz Marin Intl

ter 7/29

6:04 am-10:11 pm

2 stops18h 07m

$641

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

dom 6/1

12:30 pm-11:54 pm

1 stop9h 24m

San Juan Luis Munoz Marin Intl

sex 6/13

1:40 pm-9:14 pm

1 stop9h 34m

$663

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

ter 7/1

11:30 am-12:49 am

1 stop11h 19m

San Juan Luis Munoz Marin Intl

sáb 7/5

3:25 am-1:56 pm

1 stop12h 31m

$683

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

ter 5/13

12:40 pm-11:54 pm

1 stop9h 14m

San Juan Luis Munoz Marin Intl

sex 5/16

1:40 pm-11:44 pm

1 stop12h 04m

$685

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

qua 5/14

1:49 pm-12:39 pm

2 stops20h 50m

San Juan Luis Munoz Marin Intl

qui 5/15

3:35 pm-12:56 pm

2 stops23h 21m

$785

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

qua 5/21

6:23 am-10:47 pm

2 stops14h 24m

San Juan Luis Munoz Marin Intl

qua 5/28

1:55 pm-10:58 pm

2 stops11h 03m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 18 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 maio 1, 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 maio 1, 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
9,972 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,293 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,923 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    $258 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 $298 and $343, 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 maio 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$235Average$712FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$294Average$774FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$352Average$786FlexibilityNo cancel feeOn-time69%
DeltaCheapest$374Average$394FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$479Average$529FlexibilityNo cancel feeOn-time63%

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