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$536+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SJU
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Round-trip from

$536
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$815
From Billings Logan Intl to Puerto Rico
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 17, 2025.

This United Airlines deal was found by Cheapflights users on 4/17. 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.
Tue 7/2212:50 pmBIL - SJU
1 stop9h 04mUnited Airlines
Tue 7/291:40 pmSJU - BIL
1 stop9h 23mUnited Airlines
Deal found 4/17$536
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 9/512:35 pmBIL - SJU
2 stops20h 40mAmerican Airlines
Wed 10/812:00 pmSJU - BIL
2 stops10h 50mAmerican Airlines
Deal found 4/17$546
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
Tue 7/223:45 pmBIL - SJU
3 stops20h 33mAlaska Airlines
Mon 7/2812:59 amSJU - BIL
2 stops14h 24mAlaska Airlines
Deal found 4/16$2,753

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 April 17, 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

Tue 7/22

12:50 pm-11:54 pm

1 stop9h 04m

San Juan Luis Munoz Marin Intl

Tue 7/29

1:40 pm-9:03 pm

1 stop9h 23m

$536

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Fri 9/5

12:35 pm-11:15 am

2 stops20h 40m

San Juan Luis Munoz Marin Intl

Wed 10/8

12:00 pm-8:50 pm

2 stops10h 50m

$546

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Tue 7/22

3:45 pm-2:18 pm

3 stops20h 33m

San Juan Luis Munoz Marin Intl

Mon 7/28

12:59 am-1:23 pm

2 stops14h 24m

$2,753

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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

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 December is currently the most expensive (average of $336). 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.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 April 17, 2025.
Read through reviews of airlines operating flights from Billings to Puerto Rico, such as Alaska Airlines, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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 December is currently the most expensive (average of $336). 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 2 airlines flying from Billings to Puerto Rico

Discover the top 2 airlines 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$484Average$669FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$494Average$804FlexibilityNo cancel feeOn-time69%

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