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Puerto Rico

$428+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
Jun 28 — Jul 51
Sun 6/28
Sun 7/5
1 adult, Economy
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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 May 29, 2026.

This Delta deal was found by Cheapflights users on 5/28. 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.
Sat 9/193:54 pm
BZN
-
SJU
2 stops18h 19m
Delta
Sat 9/267:30 am
SJU
-
BZN
2 stops14h 20m
Delta
Deal found 5/28$494
This Delta deal was found by Cheapflights users on 5/26. 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.
Fri 10/306:00 am
BZN
-
SJU
2 stops13h 59m
Delta
Tue 11/103:10 pm
SJU
-
BZN
2 stops11h 48m
Delta
Deal found 5/26$525
This United Airlines deal was found by Cheapflights users on 5/27. 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 9/36:30 am
BZN
-
SJU
2 stops12h 08m
United Airlines
Sat 9/122:00 pm
SJU
-
BZN
1 stop9h 19m
United Airlines
Deal found 5/27$553
This Delta deal was found by Cheapflights users on 5/28. 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.
Thu 10/13:54 pm
BZN
-
SJU
2 stops18h 19m
Delta
Mon 10/57:30 am
SJU
-
BZN
2 stops17h 46m
Delta
Deal found 5/28$575
This United Airlines deal was found by Cheapflights users on 5/26. 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 11/27:00 am
BZN
-
SJU
2 stops14h 36m
United Airlines
Thu 11/52:05 am
SJU
-
BZN
2 stops14h 23m
United Airlines
Deal found 5/26$584
This United Airlines deal was found by Cheapflights users on 5/27. 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 7/88:00 am
BZN
-
SJU
1 stop10h 34m
United Airlines
Sun 7/121:00 am
SJU
-
BZN
1 stop11h 26m
United Airlines
Deal found 5/27$633
This American Airlines deal was found by Cheapflights users on 5/27. 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 12/111:46 pm
BZN
-
SJU
1 stop12h 33m
American Airlines
Fri 12/186:05 am
SJU
-
BZN
1 stop9h 39m
American Airlines
Deal found 5/27$642
This American Airlines deal was found by Cheapflights users on 5/28. 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 8/1112:22 pm
BIL
-
SJU
1 stop8h 53m
American Airlines
Mon 8/1712:55 am
SJU
-
BIL
1 stop12h 55m
American Airlines
Deal found 5/28$642
This United Airlines deal was found by Cheapflights users on 5/27. 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 9/224:52 pm
BZN
-
SJU
1 stop19h 52m
United Airlines
Sat 9/262:00 pm
SJU
-
BZN
1 stop9h 18m
United Airlines
Deal found 5/27$655
This American Airlines deal was found by Cheapflights users on 5/28. 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 8/15:10 pm
FCA
-
SJU
2 stops19h 40m
American Airlines
Wed 8/55:45 am
SJU
-
FCA
1 stop10h 49m
American Airlines
Deal found 5/28$724
This American Airlines deal was found by Cheapflights users on 5/28. 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 12/107:00 am
MSO
-
SJU
1 stop19h 19m
American Airlines
Sun 12/137:00 am
SJU
-
MSO
1 stop16h 33m
American Airlines
Deal found 5/28$726
This United Airlines deal was found by Cheapflights users on 5/27. 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 9/285:00 am
BIL
-
SJU
1 stop10h 38m
United Airlines
Thu 10/12:00 pm
SJU
-
BIL
1 stop9h 00m
United Airlines
Deal found 5/27$732

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 May 29, 2026.

Round-trip from

$494
(Delta)

One-way from

$428
(American Airlines)

Popular in

May

Cheapest in

November

Average price

$842
From Montana to Puerto Rico
Search Deals
One-way flight from Montana to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 29, 2026.
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

Cheapest round-trip

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Wed 10/21

11:30 am-11:50 pm

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Tue 10/27

6:45 am-9:07 pm

2 stops16h 22m

$494

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 10/30

3:40 pm-11:56 am

2 stops18h 16m

San Juan Luis Munoz Marin Intl

Tue 11/10

7:00 am-1:16 pm

1 stop9h 16m

$494

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 9/19

5:30 pm-12:13 pm

2 stops16h 43m

San Juan Luis Munoz Marin Intl

Sat 9/26

7:00 am-7:50 pm

2 stops14h 50m

$494

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Tue 9/22

7:54 am-11:50 pm

2 stops13h 56m

San Juan Luis Munoz Marin Intl

Fri 9/25

1:00 am-10:40 am

1 stop11h 40m

$615
Quickest round-trip

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Mon 11/2

7:00 am-6:25 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Fri 11/6

2:25 pm-9:07 pm

1 stop9h 42m

$615

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 10/30

7:00 am-5:25 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Tue 11/10

2:25 pm-9:07 pm

1 stop9h 42m

$665

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Tue 8/11

12:22 pm-11:15 pm

1 stop8h 53m

San Juan Luis Munoz Marin Intl

Mon 8/17

12:55 am-11:50 am

1 stop12h 55m

$669

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sat 8/1

5:10 pm-2:50 pm

2 stops19h 40m

San Juan Luis Munoz Marin Intl

Wed 8/5

5:45 am-2:34 pm

1 stop10h 49m

$724

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Mon 9/28

5:00 am-5:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Thu 10/1

2:00 pm-9:00 pm

1 stop9h 00m

$732

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Thu 7/30

5:00 am-5:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Fri 8/7

2:05 am-1:22 pm

2 stops13h 17m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/28

Showing 1-10 of 20 resultsSorted by cheapest first
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, March is the cheapest month in which you can book a flight from Montana to Puerto Rico (average of $282). Flying from Montana to Puerto Rico in July is currently the most expensive (average of $655). 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 $669, United Airlines can have you in Puerto Rico from Montana in 8h 53m. The distance from Montana to Puerto Rico is about 3068 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, March is the cheapest month in which you can book a flight from Montana to Puerto Rico (average of $282). Flying from Montana to Puerto Rico in July is currently the most expensive (average of $655). 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.
Newark to Luis Munoz Marin Intl flights
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John F Kennedy Intl to Oranjestad flights
Newark to Santo Domingo flights
Fort Lauderdale to Luis Munoz Marin Intl flights
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Newark to Montego Bay flights
Reagan-National to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
Hobby to Luis Munoz Marin Intl flights
LaGuardia to Punta Cana flights
John F Kennedy Intl to Montego Bay flights
Boston to Luis Munoz Marin Intl flights
Dulles Intl to Punta Cana flights
LaGuardia to Santo Domingo flights
LaGuardia to Santiago de los Caballeros flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Atlanta to Montego Bay flights
John F Kennedy Intl to Kingston flights
Raleigh to Luis Munoz Marin Intl flights
Miami to Luis Munoz Marin Intl flights
Newark to Nassau flights
Atlanta to Punta Cana flights
Dallas/Fort Worth to Punta Cana flights
Orlando to Punta Cana flights
Boston to Punta Cana flights
LaGuardia to Montego Bay flights
Newark to Providenciales flights
John F Kennedy Intl to Bridgetown flights
Newark to Simpson Bay flights
Baltimore to Punta Cana flights
Boston to Oranjestad flights
Fort Lauderdale to Montego Bay flights

Top 2 airlines flying from Montana to Puerto Rico

Discover the top 2 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 May 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$300Average$619FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$363Average$540FlexibilityNo cancel feeOn-time63%

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