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Luis Munoz Marin Intl

$202+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

This Southwest deal was found by Cheapflights users on 11/6. 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.
Wed 12/34:05 pmBZN - SJU
2 stops15h 20mSouthwest
Wed 12/105:45 amSJU - BZN
2 stops12h 50mSouthwest
Deal found 11/6$449
This Southwest deal was found by Cheapflights users on 11/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/154:10 pmBZN - SJU
2 stops15h 15mSouthwest
Mon 12/2211:35 amSJU - BZN
2 stops15h 50mSouthwest
Deal found 11/5$514
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:58 pmBIL - SJU
2 stops17h 11mAmerican Airlines
Mon 12/156:42 pmSJU - BIL
2 stops21h 46mAmerican Airlines
Deal found 11/5$531
This Delta deal was found by Cheapflights users on 11/5. 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.
Mon 12/153:00 pmBZN - SJU
2 stops18h 58mDelta
Wed 12/242:10 pmSJU - BZN
2 stops12h 36mDelta
Deal found 11/5$550
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:46 pmBZN - SJU
2 stops19h 13mAmerican Airlines
Sun 12/211:30 amSJU - BZN
1 stop16h 24mAmerican Airlines
Deal found 11/5$570
This Delta deal was found by Cheapflights users on 11/5. 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 12/136:00 amBZN - SJU
2 stops14h 20mDelta
Mon 12/224:45 pmSJU - BZN
1 stop10h 01mDelta
Deal found 11/5$575
This Delta deal was found by Cheapflights users on 11/6. 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.
Wed 11/196:34 pmBZN - SJU
2 stops19h 46mDelta
Wed 11/263:25 pmSJU - BZN
2 stops11h 45mDelta
Deal found 11/6$585
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:52 pmBZN - SJU
2 stops18h 20mAmerican Airlines
Wed 11/264:56 pmSJU - BZN
2 stops23h 05mAmerican Airlines
Deal found 11/5$608
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/22:00 pmBIL - SJU
2 stops17h 09mAmerican Airlines
Wed 12/36:42 pmSJU - BIL
2 stops21h 46mAmerican Airlines
Deal found 11/6$613
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/87:00 amBIL - SJU
1 stop8h 25mUnited Airlines
Thu 12/112:25 pmSJU - BIL
1 stop9h 56mUnited Airlines
Deal found 11/6$621
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/81:58 pmBIL - SJU
2 stops17h 11mAmerican Airlines
Thu 12/116:00 amSJU - BIL
2 stops18h 15mAmerican Airlines
Deal found 11/4$641
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/36:30 amBZN - SJU
2 stops12h 52mUnited Airlines
Tue 12/92:05 amSJU - BZN
2 stops16h 26mUnited Airlines
Deal found 11/6$662

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 November 6, 2025.

Round-trip from

$369
(Southwest)

One-way from

$202
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$540
From Montana to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Montana to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 6, 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

Sat 2/21

4:29 pm-6:11 am

2 stops10h 42m

San Juan Luis Munoz Marin Intl

Wed 3/4

2:25 pm-9:24 pm

1 stop9h 59m

$401

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 2/27

4:29 pm-6:11 am

2 stops10h 42m

San Juan Luis Munoz Marin Intl

Tue 3/3

8:10 am-9:13 pm

2 stops16h 03m

$453

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Tue 3/3

6:20 am-6:25 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Wed 3/4

2:25 pm-9:24 pm

1 stop9h 59m

$493

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Thu 2/5

6:15 am-6:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Sun 2/8

2:05 am-10:57 am

1 stop11h 52m

$493

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

1:21 pm-1:08 pm

2 stops20h 47m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:07 am-8:45 pm

1 stop16h 38m

$531

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 12/6

1:58 pm-10:09 am

2 stops17h 11m

San Juan Luis Munoz Marin Intl

Mon 12/15

6:42 pm-1:28 pm

2 stops21h 46m

$531

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 2/7

2:15 pm-3:59 pm

2 stops22h 44m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:30 am-9:35 pm

1 stop17h 05m

$570

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/29

6:00 am-9:00 pm

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Thu 2/12

2:25 pm-9:57 pm

1 stop10h 32m

$585

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 3/3

6:15 am-10:22 pm

2 stops13h 07m

San Juan Luis Munoz Marin Intl

Wed 3/4

8:35 am-9:57 pm

2 stops16h 22m

$616

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Tue 3/10

6:31 am-9:22 pm

2 stops12h 51m

San Juan Luis Munoz Marin Intl

Wed 3/11

7:35 am-9:38 pm

2 stops16h 03m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 26 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, February is the cheapest month in which you can book a flight from Montana to San Juan Luis Munoz Marin Intl Airport (average of $216). Flying from Montana to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $549). 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 $401, United Airlines can have you in San Juan Luis Munoz Marin Intl Airport from Montana in 10h 42m. 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 American Airlines, with whom users have recently found tickets for as low as $266. However, be on the lookout for offers from JetBlue and United 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 Missoula Johnson-Bell Field - 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, February is the cheapest month in which you can book a flight from Montana to San Juan Luis Munoz Marin Intl Airport (average of $216). Flying from Montana to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $549). 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
Humacao
Luquillo

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$394FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$235Average$712FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$352Average$793FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$479Average$546FlexibilityNo cancel feeOn-time63%

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