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Puerto Rico

$166+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 January 20, 2026.

This American Airlines deal was found by Cheapflights users on 1/19. 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.
Sun 3/16:33 pm
BOI
-
SJU
2 stops12h 27m
American Airlines
Fri 3/67:33 am
SJU
-
BOI
1 stop17h 49m
American Airlines
Deal found 1/19$452
This Southwest deal was found by Cheapflights users on 1/20. 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.
Sun 3/15:20 pm
BOI
-
SJU
2 stops14h 10m
Southwest
Fri 3/66:30 am
SJU
-
BOI
2 stops14h 00m
Southwest
Deal found 1/20$466
This Delta deal was found by Cheapflights users on 1/19. 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 7/285:45 pm
BOI
-
SJU
2 stops17h 40m
Delta
Thu 8/62:35 pm
SJU
-
BOI
2 stops11h 21m
Delta
Deal found 1/19$481
This American Airlines deal was found by Cheapflights users on 1/19. 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 7/296:00 pm
BOI
-
SJU
2 stops13h 33m
American Airlines
Sat 8/112:59 am
SJU
-
BOI
1 stop15h 09m
American Airlines
Deal found 1/19$499
This United Airlines deal was found by Cheapflights users on 1/19. 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 6/16:55 pm
BOI
-
SJU
2 stops16h 50m
United Airlines
Tue 6/21:05 am
SJU
-
BOI
2 stops14h 25m
United Airlines
Deal found 1/19$501
This United Airlines deal was found by Cheapflights users on 1/18. 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 5/266:55 pm
BOI
-
SJU
2 stops16h 50m
United Airlines
Wed 6/31:05 am
SJU
-
BOI
2 stops14h 25m
United Airlines
Deal found 1/18$506
This Southwest deal was found by Cheapflights users on 1/20. 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.
Fri 2/205:20 pm
BOI
-
SJU
2 stops13h 40m
Southwest
Tue 2/245:40 am
SJU
-
BOI
2 stops12h 40m
Southwest
Deal found 1/20$525
This Delta deal was found by Cheapflights users on 1/19. 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 7/285:45 pm
BOI
-
SJU
2 stops17h 40m
Delta
Wed 8/52:35 pm
SJU
-
BOI
2 stops11h 21m
Delta
Deal found 1/19$546
This Southwest deal was found by Cheapflights users on 1/19. 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 7/307:10 am
BOI
-
SJU
2 stops12h 20m
Southwest
Tue 8/45:15 am
SJU
-
BOI
2 stops11h 35m
Southwest
Deal found 1/19$556

Find 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 January 20, 2026.

Round-trip from

$452
(American Airlines)

One-way from

$166
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$554
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. 1% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 20, 2026.
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

Sun 3/1

5:20 pm-10:30 am

2 stops14h 10m

San Juan Luis Munoz Marin Intl

Fri 3/6

6:30 am-5:30 pm

2 stops14h 00m

$466

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 5/26

6:55 pm-12:04 pm

2 stops15h 09m

San Juan Luis Munoz Marin Intl

Mon 6/1

1:05 am-1:30 pm

2 stops14h 25m

$506

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 3/1

6:33 pm-10:00 am

2 stops12h 27m

San Juan Luis Munoz Marin Intl

Fri 3/6

7:33 am-10:22 pm

1 stop17h 49m

$512

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 2/20

5:20 pm-10:00 am

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Tue 2/24

5:40 am-3:20 pm

2 stops12h 40m

$525

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 5/30

2:43 pm-5:30 am

2 stops12h 47m

San Juan Luis Munoz Marin Intl

Tue 6/2

1:05 am-1:30 pm

2 stops14h 25m

$561

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 5/30

2:43 pm-5:30 am

2 stops12h 47m

San Juan Luis Munoz Marin Intl

Fri 6/5

1:05 am-1:30 pm

2 stops14h 25m

$561

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 5/29

4:05 pm-4:32 am

1 stop10h 27m

San Juan Luis Munoz Marin Intl

Thu 6/4

5:37 am-3:15 pm

1 stop11h 38m

$562

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 5/30

12:19 pm-4:32 am

1 stop14h 13m

San Juan Luis Munoz Marin Intl

Sun 6/7

12:39 am-11:29 am

1 stop12h 50m

$562

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 5/30

12:19 pm-4:32 am

1 stop14h 13m

San Juan Luis Munoz Marin Intl

Thu 6/4

5:37 am-3:15 pm

1 stop11h 38m

$562

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 5/29

4:05 pm-4:32 am

1 stop10h 27m

San Juan Luis Munoz Marin Intl

Tue 6/2

5:37 am-10:37 pm

1 stop19h 00m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 21 results
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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, June is the cheapest month in which you can book a flight from Boise to Puerto Rico (average of $219). Flying from Boise to Puerto Rico in August is currently the most expensive (average of $503). 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.

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 January 20, 2026.
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
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,076 reviews
Southwest
8.0
Very good
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,180 reviews
Southwest
8.0
Very good
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,164 reviews
Southwest
8.0
Very good
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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?

    Southwest, United Airlines, and American Airlines can get you from Boise to Puerto Rico in just under 12h 27m. Your travel time can differ by up to 2h 42m. 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 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, June is the cheapest month in which you can book a flight from Boise to Puerto Rico (average of $219). Flying from Boise to Puerto Rico in August is currently the most expensive (average of $503). 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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Alternative routes for Boise to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$560FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$442Average$900FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$480Average$635FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$688FlexibilityNo cancel feeOn-time71%

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