HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$308+ Cheap flights from Billings (BIL) to Puerto Rico

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SJU
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Billings to Puerto Rico 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 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 February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/8. 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.
Sat 5/25:05 am
BIL
-
SJU
2 stops13h 33m
United Airlines
Mon 5/111:00 am
SJU
-
BIL
2 stops14h 23m
United Airlines
Deal found 2/8$534
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 4/291:51 pm
BIL
-
SJU
1 stop12h 41m
American Airlines
Sat 5/95:45 am
SJU
-
BIL
2 stops18h 58m
American Airlines
Deal found 2/10$562
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 5/86:35 am
BIL
-
SJU
1 stop9h 03m
United Airlines
Fri 5/151:00 am
SJU
-
BIL
2 stops14h 23m
United Airlines
Deal found 2/10$600
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Fri 5/156:35 am
BIL
-
SJU
1 stop9h 03m
United Airlines
Sat 5/237:20 am
SJU
-
BIL
2 stops15h 49m
United Airlines
Deal found 2/9$638
This American Airlines deal was found by Cheapflights users on 2/9. 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 4/281:51 pm
BIL
-
SJU
2 stops17h 22m
American Airlines
Sun 5/106:45 am
SJU
-
BIL
1 stop17h 58m
American Airlines
Deal found 2/9$639
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Wed 4/81:51 pm
BIL
-
SJU
1 stop12h 41m
American Airlines
Tue 4/146:45 am
SJU
-
BIL
1 stop17h 58m
American Airlines
Deal found 2/9$671

Find 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 February 12, 2026.

Round-trip from

$534
(United Airlines)

One-way from

$308
(American Airlines)
From Billings Logan Intl to Puerto Rico
Search Deals
One-way flight from Billings Logan Intl to Puerto Rico
Search Deals

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 February 12, 2026.
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 5/2

5:05 am-8:38 pm

2 stops13h 33m

San Juan Luis Munoz Marin Intl

Mon 5/11

1:00 am-1:23 pm

2 stops14h 23m

$534

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 4/29

6:00 am-11:02 pm

1 stop15h 02m

San Juan Luis Munoz Marin Intl

Sat 5/9

5:45 am-10:43 pm

2 stops18h 58m

$562

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Fri 5/8

6:35 am-5:38 pm

1 stop9h 03m

San Juan Luis Munoz Marin Intl

Fri 5/15

1:00 am-1:23 pm

2 stops14h 23m

$600

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Tue 4/28

6:00 am-11:02 pm

1 stop15h 02m

San Juan Luis Munoz Marin Intl

Sun 5/10

6:45 am-10:43 pm

1 stop17h 58m

$629

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Fri 5/15

6:35 am-5:38 pm

1 stop9h 03m

San Juan Luis Munoz Marin Intl

Sat 5/23

7:20 am-9:09 pm

2 stops15h 49m

$638

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 5/16

1:51 pm-4:32 am

1 stop12h 41m

$308

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Fri 5/15

10:34 am-9:54 am

3 stops21h 20m

$319

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Fri 5/15

6:35 am-5:38 pm

1 stop9h 03m

$319

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 5/16

6:35 am-11:50 pm

2 stops15h 15m

$353

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Sat 5/16

7:21 pm-4:32 am

3 stops31h 11m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

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 February 12, 2026.
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
9,276 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

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
9,276 reviews
United Airlines
7.4
Good
9,276 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

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 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 13h 33m. United Airlines provides one of the quickest options available for as low as $534. 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.

See more FAQs

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.

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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$495Average$655FlexibilityNo cancel feeOn-time69%

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.