HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$216+ Cheap flights from Boise (BOI) 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise 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 Boise to Puerto Rico

Keep the following information in mind while searching for Boise to Puerto Rico flight deals. Data was last updated September 17, 2025.

Round-trip from

$395
(United Airlines)

One-way from

$216
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$495
From Boise Air Term. Gowen Fld to Puerto Rico
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Puerto Rico
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Boise to Puerto Rico

Cheapest flights from Boise to Puerto Rico
Explore the most affordable flight options available from Boise to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sun 10/266:15 amBOI - SJU
1 stop9h 10mUnited Airlines
Wed 10/291:05 amSJU - BOI
2 stops16h 58mUnited Airlines
Deal found 9/17$395
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:00 amBOI - SJU
2 stops15h 15mSouthwest
Thu 12/411:20 amSJU - BOI
2 stops14h 50mSouthwest
Deal found 9/16$478
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/96:15 amBOI - SJU
1 stop9h 10mUnited Airlines
Fri 11/142:05 amSJU - BOI
2 stops14h 39mUnited Airlines
Deal found 9/15$485
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:00 amBOI - SJU
2 stops15h 15mSouthwest
Sun 12/76:40 amSJU - BOI
2 stops12h 30mSouthwest
Deal found 9/15$558
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/307:05 pmBOI - SJU
2 stops16h 40mUnited Airlines
Sat 10/42:00 pmSJU - BOI
1 stop10h 30mUnited Airlines
Deal found 9/15$585
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:05 amBOI - SJU
2 stops13h 30mSouthwest
Wed 12/32:05 pmSJU - BOI
2 stops12h 05mSouthwest
Deal found 9/16$608
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 9/235:43 pmBOI - SJU
2 stops16h 30mDelta
Tue 9/307:00 amSJU - BOI
2 stops18h 57mDelta
Deal found 9/15$630
This United deal was found by Cheapflights users on 9/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:15 amBOI - VQS
2 stops26h 09mMultiple Airlines
Sat 11/1511:44 amVQS - BOI
2 stops13h 53mMultiple Airlines
Deal found 9/15$1,028

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 17, 2025.
Use the filters below to find and compare flights from Boise to Puerto Rico that are best for you.

Fly from

Boise

Fly to

Puerto Rico

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 1/24

6:00 pm-4:51 pm

2 stops19h 51m

San Juan Luis Munoz Marin Intl

Wed 2/25

4:25 pm-11:42 pm

1 stop10h 17m

$395

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 10/26

6:15 am-5:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Thu 10/30

7:30 am-11:28 pm

2 stops17h 58m

$427

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 1/19

7:30 pm-1:07 pm

2 stops14h 37m

San Juan Luis Munoz Marin Intl

Thu 2/26

6:15 am-6:25 pm

2 stops15h 10m

$467

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 3/7

6:00 pm-4:29 pm

2 stops19h 29m

San Juan Luis Munoz Marin Intl

Wed 3/11

3:25 pm-11:42 pm

1 stop10h 17m

$473

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 11/9

6:15 am-6:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Fri 11/14

2:05 am-1:44 pm

2 stops14h 39m

$485

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 1/23

5:40 am-11:58 pm

2 stops15h 18m

San Juan Luis Munoz Marin Intl

Tue 2/24

6:15 am-11:42 pm

2 stops20h 27m

$509

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 12/1

5:00 am-11:15 pm

2 stops15h 15m

San Juan Luis Munoz Marin Intl

Sun 12/7

6:40 am-4:10 pm

2 stops12h 30m

$558

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 9/30

7:05 pm-12:00 pm

2 stops14h 55m

San Juan Luis Munoz Marin Intl

Fri 10/3

1:05 am-11:39 am

2 stops12h 34m

$585

BoiseVieques

BOI - VQS

BOIVQS

Boise Air Term. Gowen Fld

Sun 11/9

6:15 am-11:24 am

2 stops26h 09m

Vieques

Sat 11/15

11:44 am-10:37 pm

2 stops13h 53m

$1,028

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 2/18

2:17 pm-4:55 am

2 stops11h 38m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 12 results
1
2

Best time to book a flight from Boise to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Boise 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 Boise to Puerto Rico

What is the cheapest month to book a flight from Boise to Puerto Rico?

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

What is the cheapest time of day to fly from BOI to PR?

Find hourly flight availability from Boise to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Puerto Rico as you normally would.

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 17, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Boise to Puerto Rico. 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.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly out of if you book a flight from Boise to Puerto Rico. It is only a 3.3 mi journey to Air Term. Gowen Fld (BOI) from Boise’s city center.

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

    Delta and United Airlines can get you from Boise to Puerto Rico in just under 9h 10m. Your travel time can differ by up to 10h 41m. The distance from Boise to Puerto Rico is about 3374 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boise to Puerto Rico one-way?

    One-way options have recently been found by users for as low as $216 on American Airlines. Other airlines that offer cheap prices include United Airlines from $243 and Alaska Airlines from $333 one-way.

  • What are the most popular routes from Boise to Puerto Rico?

    The most popular route from Boise to Puerto Rico is Boise Air Term. Gowen Fld - San Juan Luis Munoz Marin Intl. You may also consider Boise Air Term. Gowen Fld - Vieques or Boise Air Term. Gowen Fld - Culebra.

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

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

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

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

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

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

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

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.

Alternative routes for Boise to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Luis Munoz Marin Intl flights
Boise to Punta Cana flights
Spokane to Luis Munoz Marin Intl flights
Boise to Nassau flights
Boise to Saint Thomas Island flights
Spokane to Montego Bay flights
Spokane to Providenciales flights
Boise to George Town flights
Spokane to Nassau flights
Spokane to Punta Cana flights
Boise to Oranjestad flights
Boise to Georgetown flights
Boise to Havana flights
Spokane to Puerto Plata flights
Spokane to Santo Domingo flights
Boise to Castries flights
Spokane to Oranjestad flights
Spokane to Santiago de los Caballeros flights
Jackson to Saint Thomas Island flights
Boise to Santo Domingo flights
Boise to Bridgetown flights
Boise to Kralendijk flights
Boise to Montego Bay flights
Boise to Holguín flights
Boise to Freeport flights
Boise to Vieques flights
Boise to Port Royal flights
Idaho Falls to Providenciales flights
Spokane to Bridgetown flights
Spokane to George Town flights
Spokane to Havana flights
Boise to Marsh Harbour flights
Boise to Port of Spain flights
Boise to St. George's flights

Top 4 airlines flying from Boise to Puerto Rico

Discover the top 4 airlines that operate flights from Boise 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$287Average$585FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$484Average$888FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$495Average$665FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$688FlexibilityNo cancel feeOn-time71%

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.