HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$251+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 31, 2025.

Round-trip from

$515
(American Airlines)

One-way from

$251
(United Airlines)

Popular in

July

Cheapest in

January

Average price

$655
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. 12% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 10/164:54 pmBZN - SJU
1 stop19h 14mAmerican Airlines
Mon 10/205:00 pmSJU - BZN
2 stops21h 56mAmerican Airlines
Deal found 7/30$515
This Delta deal was found by Cheapflights users on 7/29. 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.
Sun 11/26:10 pmFCA - SJU
2 stops15h 50mDelta
Fri 11/77:00 amSJU - FCA
2 stops19h 09mDelta
Deal found 7/29$515
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 12/176:30 amBZN - SJU
2 stops12h 52mUnited Airlines
Tue 12/302:05 amSJU - BZN
1 stop11h 35mUnited Airlines
Deal found 7/30$555
This Delta deal was found by Cheapflights users on 7/29. 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.
Sun 11/25:30 amMSO - SJU
2 stops14h 29mDelta
Fri 11/72:26 pmSJU - MSO
2 stops12h 51mDelta
Deal found 7/29$563
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 12/62:04 pmBIL - SJU
2 stops19h 01mAmerican Airlines
Mon 12/158:09 amSJU - BIL
1 stop15h 42mAmerican Airlines
Deal found 7/30$563
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 10/47:00 amBIL - SJU
2 stops14h 57mUnited Airlines
Tue 10/71:05 amSJU - BIL
2 stops14h 13mUnited Airlines
Deal found 7/30$595
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 11/25:25 amMSO - SJU
1 stop9h 00mUnited Airlines
Fri 11/78:10 amSJU - MSO
2 stops16h 37mUnited Airlines
Deal found 7/29$605
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 11/25:10 amFCA - SJU
1 stop9h 15mUnited Airlines
Fri 11/78:10 amSJU - FCA
2 stops16h 34mUnited Airlines
Deal found 7/29$605
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 11/27:00 amMSO - SJU
1 stop19h 30mAmerican Airlines
Fri 11/76:44 amSJU - MSO
1 stop16h 22mAmerican Airlines
Deal found 7/29$618
This Southwest deal was found by Cheapflights users on 7/29. 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.
Thu 12/44:05 pmBZN - SJU
2 stops15h 20mSouthwest
Sun 12/146:10 amSJU - BZN
2 stops14h 00mSouthwest
Deal found 7/29$629
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/243:29 pmFCA - SJU
2 stops19h 16mAmerican Airlines
Tue 8/267:05 pmSJU - FCA
2 stops17h 58mAmerican Airlines
Deal found 7/31$784
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/24:12 pmMSO - SJU
2 stops19h 59mAlaska Airlines
Fri 11/76:44 amSJU - MSO
3 stops20h 29mAlaska Airlines
Deal found 7/29$795

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 July 31, 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

Thu 10/16

4:54 pm-2:08 pm

1 stop19h 14m

San Juan Luis Munoz Marin Intl

Mon 10/20

5:00 pm-12:56 pm

2 stops21h 56m

$515

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sun 11/2

6:10 pm-1:00 pm

2 stops15h 50m

San Juan Luis Munoz Marin Intl

Fri 11/7

7:00 am-11:09 pm

2 stops19h 09m

$515

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Wed 12/17

6:30 am-10:22 pm

2 stops12h 52m

San Juan Luis Munoz Marin Intl

Tue 12/30

2:05 am-10:40 am

1 stop11h 35m

$555

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

1:05 pm-1:30 pm

2 stops21h 25m

San Juan Luis Munoz Marin Intl

Wed 1/21

6:50 pm-12:25 pm

2 stops20h 35m

$563

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 12/6

2:04 pm-12:05 pm

2 stops19h 01m

San Juan Luis Munoz Marin Intl

Mon 12/15

8:09 am-8:51 pm

1 stop15h 42m

$563

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 10/4

7:00 am-11:57 pm

2 stops14h 57m

San Juan Luis Munoz Marin Intl

Tue 10/7

1:05 am-1:18 pm

2 stops14h 13m

$595

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sun 11/2

5:25 am-5:25 pm

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Fri 11/7

8:10 am-9:47 pm

2 stops16h 37m

$605

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sun 11/2

5:10 am-5:25 pm

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Fri 11/7

8:10 am-9:44 pm

2 stops16h 34m

$605

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Thu 12/4

4:05 pm-10:25 am

2 stops15h 20m

San Juan Luis Munoz Marin Intl

Sun 12/14

6:10 am-5:10 pm

2 stops14h 00m

$629

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Sun 8/24

3:29 pm-12:45 pm

2 stops19h 16m

San Juan Luis Munoz Marin Intl

Tue 8/26

7:05 pm-11:03 am

2 stops17h 58m

$784

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 18 results
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, 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.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Montana to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 United Airlines, with whom users have recently found tickets for as low as $251. However, be on the lookout for offers from American Airlines and Alaska 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montana to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Luis Munoz Marin Intl flights
Newark to Luis Munoz Marin Intl flights
LaGuardia to Luis Munoz Marin Intl flights
Orlando to Luis Munoz Marin Intl flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Baltimore to Luis Munoz Marin Intl flights
Miami to Luis Munoz Marin Intl flights
Boston to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
Philadelphia to Luis Munoz Marin Intl flights
O'Hare Intl to Luis Munoz Marin Intl flights
Dulles Intl to Luis Munoz Marin Intl flights
Atlanta to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
Tampa to Luis Munoz Marin Intl flights
Hobby to Luis Munoz Marin Intl flights
Los Angeles to Luis Munoz Marin Intl flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Midway to Luis Munoz Marin Intl flights
Denver to Luis Munoz Marin Intl flights
Raleigh to Luis Munoz Marin Intl flights
Love Field to Luis Munoz Marin Intl flights
Cleveland to Luis Munoz Marin Intl flights
Charlotte to Luis Munoz Marin Intl flights
Detroit to Luis Munoz Marin Intl flights
Minneapolis to Luis Munoz Marin Intl flights
San Francisco to Luis Munoz Marin Intl flights
Atlantic City to Luis Munoz Marin Intl flights
Austin to Luis Munoz Marin Intl flights
Seattle to Luis Munoz Marin Intl flights
White Plains to Luis Munoz Marin Intl flights
Trenton to Luis Munoz Marin Intl flights
Salt Lake City to Luis Munoz Marin Intl flights
Sky Harbor Intl to Luis Munoz Marin Intl flights
Indianapolis to Luis Munoz Marin Intl flights
West Palm Beach to Luis Munoz Marin Intl flights
Ontario to Luis Munoz Marin Intl flights
Kansas City to Luis Munoz Marin Intl flights
San Antonio to Luis Munoz Marin Intl flights
Jacksonville to Luis Munoz Marin Intl flights
Columbus to Luis Munoz Marin Intl flights
Nashville to Luis Munoz Marin Intl flights
San Diego to Luis Munoz Marin Intl flights
Norfolk to Luis Munoz Marin Intl flights
Pittsburgh to Luis Munoz Marin Intl flights
Providence to Luis Munoz Marin Intl flights
Milwaukee to Luis Munoz Marin Intl flights
Islip to Luis Munoz Marin Intl flights
Burbank to Luis Munoz Marin Intl flights

Top 5 airlines flying from Montana to Luis Munoz Marin Intl

Discover the top 5 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$235Average$712FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$352Average$762FlexibilityNo cancel feeOn-time69%
DeltaCheapest$374Average$394FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$479Average$529FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$484Average$815FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.