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$531+ Cheap flights from Billings (BIL) to Puerto Rico

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SJU
Oct 27 — Nov 31
Mon 10/27
Mon 11/3
1 adult, Economy
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Cheap flight deals from Billings to Puerto Rico

Keep the following information in mind while searching for Billings to Puerto Rico flight deals. Data was last updated September 27, 2025.

Round-trip from

$531
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$589
From Billings Logan Intl to Puerto Rico
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Billings to Puerto Rico

Cheapest flights from Billings to Puerto Rico
Explore the most affordable flight options available from Billings to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 27, 2025.

This American Airlines deal was found by Cheapflights users on 9/26. 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 09mAmerican Airlines
Mon 12/156:42 pmSJU - BIL
2 stops21h 46mAmerican Airlines
Deal found 9/26$531
This American Airlines deal was found by Cheapflights users on 9/26. 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 12/41:58 pmBIL - SJU
2 stops17h 09mAmerican Airlines
Mon 12/86:42 pmSJU - BIL
2 stops21h 46mAmerican Airlines
Deal found 9/26$570
This American Airlines deal was found by Cheapflights users on 9/25. 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 12/85:10 amBIL - SJU
1 stop13h 15mAmerican Airlines
Thu 12/117:00 amSJU - BIL
1 stop17h 15mAmerican Airlines
Deal found 9/25$641
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/117:00 amBIL - SJU
2 stops14h 57mUnited Airlines
Tue 10/141:05 amSJU - BIL
2 stops12h 11mUnited Airlines
Deal found 9/26$680
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/66:00 amBIL - SJU
2 stops13h 14mAmerican Airlines
Fri 10/107:00 pmSJU - BIL
2 stops18h 50mAmerican Airlines
Deal found 9/25$775
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/67:00 amBIL - SJU
1 stop8h 30mUnited Airlines
Fri 10/107:00 amSJU - BIL
2 stops15h 49mUnited Airlines
Deal found 9/25$803

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Puerto Rico 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 September 27, 2025.
Use the filters below to find and compare flights from Billings to Puerto Rico that are best for you.

Fly from

Billings

Fly to

Puerto Rico

Route

Depart

Return

Price

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 12/6

1:58 pm-10:07 am

2 stops17h 09m

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

Thu 12/4

1:58 pm-10:07 am

2 stops17h 09m

San Juan Luis Munoz Marin Intl

Mon 12/8

6:42 pm-1:28 pm

2 stops21h 46m

$570

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Fri 2/27

2:40 pm-6:11 am

2 stops12h 31m

San Juan Luis Munoz Marin Intl

Tue 3/3

8:35 am-8:55 pm

2 stops15h 20m

$617

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 2/7

2:45 pm-6:11 am

2 stops12h 26m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:45 am-5:17 pm

2 stops12h 32m

$621

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Mon 12/8

1:58 pm-10:07 am

2 stops17h 09m

San Juan Luis Munoz Marin Intl

Thu 12/11

7:00 am-9:15 pm

1 stop17h 15m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/26

Best time to book a flight from Billings to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated September 27, 2025.
Read reviews from past customers who have flown United Airlines from Billings to Puerto Rico. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.

Related info for your journey

Find useful and relevant information for your journey from Billings to Puerto Rico. 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 Puerto Rico?

    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 Puerto Rico.

  • How long is the flight from Billings to Puerto Rico?

    A quick flight from Billings to Puerto Rico can take about 12h 31m. American Airlines provides one of the quickest options available for as low as $617. The distance from Billings to Puerto Rico is about 3068 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Billings to Puerto Rico that include hotel bookings?

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

  • How can I find direct flights from Billings to Puerto Rico?

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

  • Can I find deals for business class flights from Billings to Puerto Rico?

    Yes. Cheapflights offers flight deals from Billings to Puerto Rico 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 Billings to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Billings to Puerto Rico (average of $254). Flying from Billings to Puerto Rico 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

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Top airline flying from Billings to Puerto Rico

Discover the top airline that operate flights from Billings to Puerto Rico. 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 September 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$495Average$804FlexibilityNo cancel feeOn-time69%

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