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Luis Munoz Marin Intl

$532+ Cheap flights from Billings (BIL) 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SJU
feb. 13 — feb. 201
vie. 2/13
vie. 2/20
1 adult, Economy
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Cheap flight deals from Billings to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$532
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$503
Provider with most accurate pricing for Billings Logan Intl-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for Billings Logan Intl-San Juan Luis Munoz Marin Intl flights.
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From Billings Logan Intl to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 8% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Billings to Luis Munoz Marin Intl

Cheapest flights from Billings to Luis Munoz Marin Intl
Explore the most affordable flight options available from Billings to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 14, 2026.

This American Airlines deal was found by Cheapflights users on 1/11. 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. 4/291:51 pm
BIL
-
SJU
1 stop12h 41m
American Airlines
sáb. 5/95:45 am
SJU
-
BIL
2 stops18h 58m
American Airlines
Deal found 1/11$532
This American Airlines deal was found by Cheapflights users on 1/12. 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. 2/72:15 pm
BIL
-
SJU
2 stops19h 12m
American Airlines
sáb. 2/147:33 am
SJU
-
BIL
1 stop17h 39m
American Airlines
Deal found 1/12$552
This United Airlines deal was found by Cheapflights users on 1/11. 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.
mar. 4/287:00 am
BIL
-
SJU
1 stop8h 38m
United Airlines
sáb. 5/91:00 am
SJU
-
BIL
2 stops14h 13m
United Airlines
Deal found 1/11$604
This American Airlines deal was found by Cheapflights users on 1/12. 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. 2/22:15 pm
BIL
-
SJU
2 stops19h 12m
American Airlines
lun. 2/97:12 pm
SJU
-
BIL
2 stops21h 24m
American Airlines
Deal found 1/12$639
This American Airlines deal was found by Cheapflights users on 1/12. 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.
mar. 2/241:48 pm
BIL
-
SJU
2 stops19h 08m
American Airlines
lun. 3/27:00 am
SJU
-
BIL
2 stops18h 12m
American Airlines
Deal found 1/12$654
This United Airlines deal was found by Cheapflights users on 1/12. 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. 4/295:05 am
BIL
-
SJU
2 stops14h 19m
United Airlines
sáb. 5/94:55 pm
SJU
-
BIL
3 stops22h 18m
United Airlines
Deal found 1/12$665

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings 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 enero 14, 2026.
Use the filters below to find and compare flights from Billings to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Billings

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mié. 4/29

1:51 pm-4:32 am

1 stop12h 41m

San Juan Luis Munoz Marin Intl

sáb. 5/9

5:45 am-10:43 pm

2 stops18h 58m

$552

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

sáb. 2/7

2:15 pm-3:59 pm

2 stops22h 44m

San Juan Luis Munoz Marin Intl

sáb. 2/14

7:33 am-10:12 pm

1 stop17h 39m

$552

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mar. 2/17

5:27 am-11:31 pm

1 stop15h 04m

San Juan Luis Munoz Marin Intl

mar. 2/24

7:00 am-10:12 pm

2 stops18h 12m

$552

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mar. 4/28

7:00 am-9:24 pm

2 stops12h 24m

San Juan Luis Munoz Marin Intl

sáb. 5/9

1:00 am-1:13 pm

2 stops14h 13m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Compare providers for flights from Billings to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to Luis Munoz Marin Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Billings-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Billings-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Billings 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.

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 enero 14, 2026.
Get a feel of what it's like to fly with United Airlines from Billings to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,156 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,156 reviews
United Airlines
7.4
Good
9,156 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Billings 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 airport do you fly from for flights from Billings to San Juan Luis Munoz Marin Intl?

    Billings Logan Intl (BIL) is the airport you will fly out of if you book a flight from Billings to San Juan Luis Munoz Marin Intl. You should not have trouble finding flights to San Juan Luis Munoz Marin Intl from Billings Logan Intl; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Billings airport to San Juan Luis Munoz Marin Intl. It is only a 2.7 mi journey to Billings Logan Intl (BIL) from Billings’s city center.

  • How long is the flight from Billings to San Juan Luis Munoz Marin Intl Airport?

    There are many flights that can get you from Billings to San Juan Luis Munoz Marin Intl Airport in 12h 41m. Fly via American Airlines to get the fastest option. There are 3068 mi between Billings and San Juan Luis Munoz Marin Intl Airport.

  • What is the cheapest airline to fly from Billings to San Juan Luis Munoz Marin Intl Airport round-trip?

    According to our current data, United Airlines ($495), offers the cheapest pricing from Billings to San Juan Luis Munoz Marin Intl Airport. United Airlines is currently priced 30% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from Billings 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 Billings to Luis Munoz Marin Intl.

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

    Yes. Cheapflights offers flight deals from Billings 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.

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
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

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Alternative routes for Billings to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Luis Munoz Marin Intl flights
Missoula to Luis Munoz Marin Intl flights
Kalispell to Luis Munoz Marin Intl flights

Top airline flying from Billings to Luis Munoz Marin Intl

Discover the top airline that operate flights from Billings 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 enero 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$495Average$670FlexibilityNo cancel feeOn-time69%

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