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Luis Munoz Marin Intl

$194+ Cheap flights from Montana to Luis Munoz Marin Intl (SJU)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap 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 septiembre 16, 2025.

Round-trip from

$426
(Delta)

One-way from

$194
(Delta)

Popular in

July

Cheapest in

January

Average price

$520
From Montana to San Juan Luis Munoz Marin Intl
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One-way flight from Montana to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 11% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 16, 2025.

This Southwest deal was found by Cheapflights users on 9/14. 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.
jue. 10/305:00 amBZN - SJU
2 stops12h 25mSouthwest
jue. 11/63:30 pmSJU - BZN
2 stops11h 45mSouthwest
Deal found 9/14$479
This United Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 10/306:35 amBZN - SJU
1 stop8h 50mUnited Airlines
jue. 11/68:10 amSJU - BZN
2 stops16h 30mUnited Airlines
Deal found 9/14$500
This Delta deal was found by Cheapflights users on 9/14. 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.
lun. 12/86:16 pmMSO - SJU
2 stops15h 28mDelta
jue. 12/113:20 pmSJU - MSO
2 stops12h 15mDelta
Deal found 9/14$531
This Southwest deal was found by Cheapflights users on 9/14. 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.
jue. 10/306:00 amBZN - SJU
2 stops13h 55mSouthwest
dom. 11/25:40 amSJU - BZN
2 stops14h 25mSouthwest
Deal found 9/14$531
This American Airlines deal was found by Cheapflights users on 9/14. 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.
sáb. 12/61:58 pmBIL - SJU
2 stops20h 32mAmerican Airlines
lun. 12/156:42 pmSJU - BIL
2 stops21h 46mAmerican Airlines
Deal found 9/14$570
This United Airlines deal was found by Cheapflights users on 9/14. 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.
jue. 10/306:35 amBZN - SJU
1 stop8h 50mUnited Airlines
dom. 11/28:30 amSJU - BZN
2 stops16h 10mUnited Airlines
Deal found 9/14$578
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 12/106:15 amFCA - SJU
2 stops13h 07mUnited Airlines
sáb. 12/138:10 amSJU - FCA
2 stops16h 36mUnited Airlines
Deal found 9/14$621
This United Airlines deal was found by Cheapflights users on 9/13. 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.
sáb. 10/47:00 amBIL - SJU
2 stops14h 57mUnited Airlines
mié. 10/82:00 pmSJU - BIL
1 stop10h 46mUnited Airlines
Deal found 9/13$621
This American Airlines deal was found by Cheapflights users on 9/13. 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.
lun. 12/87:00 amMSO - SJU
2 stops27h 30mAmerican Airlines
jue. 12/117:00 amSJU - MSO
1 stop16h 33mAmerican Airlines
Deal found 9/13$641
This American Airlines deal was found by Cheapflights users on 9/15. 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.
lun. 10/131:54 pmBIL - SJU
2 stops19h 12mAmerican Airlines
lun. 10/207:00 pmSJU - BIL
2 stops18h 50mAmerican Airlines
Deal found 9/15$657
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 12/116:15 amFCA - SJU
2 stops13h 07mUnited Airlines
lun. 12/158:30 amSJU - FCA
2 stops16h 16mUnited Airlines
Deal found 9/15$665
This American Airlines deal was found by Cheapflights users on 9/15. 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.
mié. 12/171:46 pmBZN - SJU
2 stops16h 50mAmerican Airlines
mié. 12/3110:03 pmSJU - BZN
2 stops17h 41mAmerican Airlines
Deal found 9/15$667

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 septiembre 16, 2025.
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

Montana

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

jue. 10/30

5:00 am-7:25 pm

2 stops12h 25m

San Juan Luis Munoz Marin Intl

jue. 11/6

3:30 pm-12:15 am

2 stops11h 45m

$479

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

jue. 10/30

6:35 am-5:25 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

jue. 11/6

8:10 am-9:40 pm

2 stops16h 30m

$500

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

jue. 1/29

6:15 am-12:36 am

2 stops15h 21m

San Juan Luis Munoz Marin Intl

mar. 2/3

8:35 am-9:33 pm

2 stops15h 58m

$526

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

jue. 1/8

1:05 pm-11:45 am

2 stops19h 40m

San Juan Luis Munoz Marin Intl

mié. 1/21

6:45 am-9:41 pm

1 stop17h 56m

$531

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

lun. 12/8

6:16 pm-12:44 pm

2 stops15h 28m

San Juan Luis Munoz Marin Intl

jue. 12/11

3:20 pm-12:35 am

2 stops12h 15m

$531

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

vie. 2/6

3:00 pm-12:07 pm

2 stops18h 07m

San Juan Luis Munoz Marin Intl

lun. 2/9

4:25 pm-12:04 am

1 stop10h 39m

$531

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

jue. 2/5

12:52 pm-12:00 pm

2 stops20h 08m

San Juan Luis Munoz Marin Intl

lun. 2/9

6:50 pm-12:06 pm

2 stops20h 16m

$531

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

sáb. 12/6

1:58 pm-1:30 pm

2 stops20h 32m

San Juan Luis Munoz Marin Intl

lun. 12/15

6:42 pm-1:28 pm

2 stops21h 46m

$570

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

lun. 1/12

3:50 pm-11:20 am

2 stops16h 30m

San Juan Luis Munoz Marin Intl

lun. 1/19

8:00 am-10:40 pm

2 stops17h 40m

$589

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

mar. 1/13

11:30 am-12:36 am

1 stop10h 06m

San Juan Luis Munoz Marin Intl

mar. 1/20

2:25 pm-9:33 pm

1 stop10h 08m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 44 results
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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, September is the cheapest month in which you can book a flight from Montana to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Montana to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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 $500, Southwest can have you in San Juan Luis Munoz Marin Intl Airport from Montana in 8h 50m. The distance from Montana to San Juan Luis Munoz Marin Intl Airport is about 3184 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Montana to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $194. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Montana to San Juan Luis Munoz Marin Intl Airport for a low price.

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

    While some choose either Billings Logan Intl - San Juan Luis Munoz Marin Intl or Kalispell Glacier Park - San Juan Luis Munoz Marin Intl, Bozeman Gallatin Field - San Juan Luis Munoz Marin Intl is the most popular route 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, September is the cheapest month in which you can book a flight from Montana to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Montana to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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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.
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Top 4 airlines flying from Montana to Luis Munoz Marin Intl

Discover the top 4 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$235Average$712FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$352Average$777FlexibilityNo cancel feeOn-time69%
DeltaCheapest$374Average$394FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$479Average$546FlexibilityNo cancel feeOn-time63%

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