Luis Munoz Marin Intl

$504+ Cheap flights from Montana to Luis Munoz Marin Intl (SJU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
Jul 10 — Jul 171
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Cheap flight deals from Montana to Luis Munoz Marin Intl

Cheapest flights from Montana to Luis Munoz Marin Intl
Explore the most affordable flight options available from Montana to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This Delta deal was found by Cheapflights users on 6/8. 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 stops15h 56m
Delta
Tue 11/102:05 pm
SJU
-
BZN
2 stops12h 53m
Delta
Deal found 6/8$504
This Delta deal was found by Cheapflights users on 6/8. 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 stops18h 35m
Delta
Deal found 6/8$585
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 9/1911:40 am
BZN
-
SJU
1 stop10h 10m
United Airlines
Fri 9/251:00 am
SJU
-
BZN
2 stops14h 31m
United Airlines
Deal found 6/10$594
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 11/75:51 pm
BIL
-
SJU
2 stops16h 50m
United Airlines
Thu 11/122:25 pm
SJU
-
BIL
1 stop11h 16m
United Airlines
Deal found 6/5$596
This Delta deal was found by Cheapflights users on 6/5. 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 11/76:15 am
BIL
-
SJU
2 stops15h 41m
Delta
Thu 11/127:00 am
SJU
-
BIL
2 stops15h 48m
Delta
Deal found 6/5$614
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/227:54 am
BZN
-
SJU
2 stops13h 56m
United Airlines
Thu 9/242:00 pm
SJU
-
BZN
1 stop9h 04m
United Airlines
Deal found 6/9$630
This American Airlines deal was found by Cheapflights users on 6/9. 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 10/112:54 pm
BZN
-
SJU
2 stops20h 06m
American Airlines
Mon 10/57:00 pm
SJU
-
BZN
2 stops19h 14m
American Airlines
Deal found 6/9$636
This American Airlines deal was found by Cheapflights users on 6/8. 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 8/74:15 pm
BZN
-
SJU
2 stops20h 23m
American Airlines
Mon 8/1712:55 am
SJU
-
BZN
1 stop13h 10m
American Airlines
Deal found 6/8$642
This American Airlines deal was found by Cheapflights users on 6/9. 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
Tue 8/187:24 pm
SJU
-
BIL
2 stops18h 26m
American Airlines
Deal found 6/9$642
This American Airlines deal was found by Cheapflights users on 6/9. 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 9/1012:28 pm
BIL
-
SJU
2 stops18h 56m
American Airlines
Fri 9/1810:16 am
SJU
-
BIL
2 stops13h 54m
American Airlines
Deal found 6/9$669
This United Airlines deal was found by Cheapflights users on 6/8. 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 10/16:30 am
BZN
-
SJU
1 stop9h 08m
United Airlines
Sun 10/41:00 am
SJU
-
BZN
1 stop11h 25m
United Airlines
Deal found 6/8$675
This American Airlines deal was found by Cheapflights users on 6/9. 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 6/9$716

Find flight deals from Montana to Luis Munoz Marin Intl

Keep the following information in mind while searching for Montana to Luis Munoz Marin Intl flight deals. Data was last updated June 10, 2026.

Round-trip from

$504
(Delta)

Popular in

May

Cheapest in

November

Average price

$503
From Montana to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 4% potential increase in price ($30 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Luis Munoz Marin Intl 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 June 10, 2026.
Use the filters below to find and compare flights from Montana to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 10/30

6:00 am-11:56 pm

2 stops15h 56m

San Juan Luis Munoz Marin Intl

Tue 11/10

2:05 pm-11:58 pm

2 stops12h 53m

$504

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

7:30 am-10:40 pm

2 stops17h 10m

$504

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Thu 10/1

3:54 pm-12:13 pm

2 stops18h 19m

San Juan Luis Munoz Marin Intl

Mon 10/5

7:30 am-12:05 am

2 stops18h 35m

$585

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 9/19

11:40 am-11:50 pm

1 stop10h 10m

San Juan Luis Munoz Marin Intl

Fri 9/25

1:00 am-10:05 am

1 stop11h 05m

$594

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

Thu 9/24

2:00 pm-9:04 pm

1 stop9h 04m

$630

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

$642

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Thu 9/10

1:13 pm-9:24 am

2 stops18h 11m

San Juan Luis Munoz Marin Intl

Fri 9/18

4:38 pm-11:57 am

2 stops21h 19m

$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

Tue 8/4

12:55 am-4:10 pm

1 stop17h 15m

$724

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Thu 9/10

4:07 pm-2:44 pm

2 stops20h 37m

San Juan Luis Munoz Marin Intl

Fri 9/18

3:56 pm-10:47 am

1 stop20h 51m

$731
Quickest round-trip

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 10/27

6:15 am-5:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Fri 10/30

1:25 pm-9:26 pm

1 stop10h 01m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Montana to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport

What is the cheapest month to book a flight from Montana to San Juan Luis Munoz Marin Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Montana to San Juan Luis Munoz Marin Intl Airport (average of $282). Flying from Montana to San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl. 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 San Juan Luis Munoz Marin Intl Airport?

    For as low as $642, Delta can have you in San Juan Luis Munoz Marin Intl Airport from Montana in 8h 53m. The distance from Montana to San Juan Luis Munoz Marin Intl Airport is about 3068 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Montana to San Juan Luis Munoz Marin Intl Airport?

  • Can I find deals for flights from Montana to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Montana to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Montana to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Montana to Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Montana to San Juan Luis Munoz Marin Intl Airport (average of $282). Flying from Montana to San Juan Luis Munoz Marin Intl Airport 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Fajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montana to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Montana to Luis Munoz Marin Intl

Discover the top 2 airlines that operate flights from Montana to Luis Munoz Marin Intl. 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$300Average$650FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$363Average$540FlexibilityNo cancel feeOn-time63%

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