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San Juan

$273+ Cheap flights from Billings (BIL) to San Juan

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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SJU
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap flight deals from Billings to San Juan

Cheapest flights from Billings to San Juan
Explore the most affordable flight options available from Billings to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.

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 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.
Tue 8/1112:22 pm
BIL
-
SJU
1 stop8h 53m
American Airlines
Mon 8/1712:55 am
SJU
-
BIL
1 stop12h 55m
American Airlines
Deal found 6/8$642
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 9/104:07 pm
BIL
-
SJU
2 stops20h 37m
United Airlines
Fri 9/183:56 pm
SJU
-
BIL
1 stop20h 51m
United Airlines
Deal found 6/6$731
This United Airlines deal was found by Cheapflights users on 6/7. 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 10/265:00 am
BIL
-
SJU
1 stop10h 25m
United Airlines
Thu 10/291:25 pm
SJU
-
BIL
1 stop9h 26m
United Airlines
Deal found 6/7$742
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 7/305:00 am
BIL
-
SJU
1 stop10h 38m
United Airlines
Sat 8/81:40 pm
SJU
-
BIL
1 stop11h 14m
United Airlines
Deal found 6/8$911
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 6/207:00 am
BIL
-
SJU
1 stop8h 38m
United Airlines
Tue 6/232:05 am
SJU
-
BIL
2 stops13h 17m
United Airlines
Deal found 6/5$921
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/192:25 pm
BIL
-
SJU
2 stops13h 04m
United Airlines
Sun 8/21:40 pm
SJU
-
BIL
1 stop9h 37m
United Airlines
Deal found 6/4$926

Find flight deals from Billings to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to San Juan (PR1). 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 June 9, 2026.

Round-trip from

$596
(United Airlines)

One-way from

$273
(Kiwi.com)
From Billings Logan Intl to San Juan
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One-way flight from Billings Logan Intl to San Juan
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to San Juan 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 9, 2026.
Use the filters below to find and compare flights from Billings to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 11/7

5:51 pm-1:41 pm

2 stops16h 50m

San Juan Luis Munoz Marin Intl

Thu 11/12

2:25 pm-10:41 pm

1 stop11h 16m

$596
Quickest round-trip

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

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

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Mon 10/26

5:51 pm-10:50 am

2 stops14h 59m

San Juan Luis Munoz Marin Intl

Thu 10/29

7:30 am-8:51 pm

2 stops15h 21m

$742
Cheapest one-way

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Mon 7/20

9:59 am-11:16 am

2 stops47h 17m

$333
Quickest one-way

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Mon 7/20

12:59 pm-11:48 pm

1 stop8h 49m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Sorted by cheapest first

Best time to book a flight from Billings to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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.

Cheapflights Insights

Everything you need to know about your flight from Billings to San Juan
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated June 9, 2026.
See what other customers who have flown with United Airlines from Billings to San Juan have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,796 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,796 reviews
United Airlines
7.4
Good
9,796 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Billings to San Juan. 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?

    Billings Logan Intl (BIL), located 2.7 mi from the city center, is the airport you fly out of when you book flights from Billings to San Juan. 1 airline have flights from Billings Logan Intl to San Juan on a regular basis. Booking flights from Billings Logan Intl to San Juan should not be difficult; the airport handles an average of 0 outbound flights to San Juan per day.

  • How long is the flight from Billings to San Juan?

    Departing from Billings to San Juan will take you 8h 53m. Billings and San Juan are separated by a distance of 3068 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Billings to San Juan round-trip?

    Our cheapest airline available from Billings to San Juan is United Airlines. Our recent data shows that you can find tickets from as low as $495 on this airline.

  • Can I find deals for flights from Billings to San Juan that include hotel bookings?

    Yes. In addition to deals on Billings to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to San Juan.

  • Can I find deals for business class flights from Billings to San Juan?

    Yes. Cheapflights offers flight deals from Billings to San Juan 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

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Alternative routes for Billings to San Juan

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

Top airline flying from Billings to San Juan

Discover the top airline that operate flights from Billings to San Juan. 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 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$495Average$655FlexibilityNo cancel feeOn-time69%

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