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Puerto Rico

$303+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This Delta deal was found by Cheapflights users on 2/3. 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 10/275:45 pm
BOI
-
SJU
2 stops16h 11m
Delta
Sat 10/3112:46 pm
SJU
-
BOI
2 stops12h 49m
Delta
Deal found 2/3$416
This Southwest deal was found by Cheapflights users on 2/2. 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 5/46:55 pm
BOI
-
SJU
2 stops13h 40m
Southwest
Mon 5/1810:00 am
SJU
-
BOI
2 stops16h 45m
Southwest
Deal found 2/2$430
This American Airlines deal was found by Cheapflights users on 2/1. 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 3/236:33 pm
BOI
-
SJU
2 stops12h 27m
American Airlines
Tue 3/316:33 am
SJU
-
BOI
1 stop17h 50m
American Airlines
Deal found 2/1$499
This United Airlines deal was found by Cheapflights users on 1/31. 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 3/26:55 pm
BOI
-
SJU
2 stops16h 45m
United Airlines
Wed 3/48:30 am
SJU
-
BOI
2 stops16h 02m
United Airlines
Deal found 1/31$506
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/71:41 pm
BOI
-
SJU
2 stops16h 19m
American Airlines
Tue 3/101:30 am
SJU
-
BOI
1 stop13h 18m
American Airlines
Deal found 2/2$519
This American Airlines deal was found by Cheapflights users on 2/2. 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 2/187:00 am
BOI
-
SJU
1 stop13h 31m
American Airlines
Tue 3/37:00 am
SJU
-
BOI
2 stops18h 22m
American Airlines
Deal found 2/2$529
This American Airlines deal was found by Cheapflights users on 2/3. 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 7/296:44 am
BOI
-
SJU
1 stop14h 32m
American Airlines
Sat 8/112:59 am
SJU
-
BOI
1 stop15h 09m
American Airlines
Deal found 2/3$559
This Southwest deal was found by Cheapflights users on 2/2. 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.
Wed 3/1811:10 am
BOI
-
SJU
2 stops11h 05m
Southwest
Wed 3/256:40 am
SJU
-
BOI
2 stops17h 40m
Southwest
Deal found 2/2$566

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 February 3, 2026.

Round-trip from

$416
(Southwest)

One-way from

$303
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$560
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 ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 3, 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

Tue 5/5

6:00 am-9:05 pm

2 stops13h 05m

San Juan Luis Munoz Marin Intl

Tue 5/12

5:05 am-7:00 pm

2 stops15h 55m

$416

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 3/23

6:33 pm-9:00 am

2 stops12h 27m

San Juan Luis Munoz Marin Intl

Tue 3/31

6:33 am-10:23 pm

1 stop17h 50m

$499

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 5/5

8:34 am-8:34 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Tue 5/12

1:40 pm-9:17 pm

1 stop9h 37m

$499

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 3/2

6:55 pm-2:40 pm

2 stops16h 45m

San Juan Luis Munoz Marin Intl

Wed 3/4

8:30 am-9:32 pm

2 stops16h 02m

$506

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 2/28

1:30 pm-5:24 am

1 stop12h 54m

San Juan Luis Munoz Marin Intl

Wed 3/4

7:00 am-10:22 pm

2 stops18h 22m

$529

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 7/29

4:05 pm-4:32 am

1 stop10h 27m

San Juan Luis Munoz Marin Intl

Sat 8/1

12:59 am-2:08 pm

1 stop15h 09m

$559

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 2/17

1:35 pm-10:00 am

2 stops17h 25m

$303

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 2/17

8:12 pm-11:09 pm

3 stops47h 57m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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, June is the cheapest month in which you can book a flight from Boise to Puerto Rico (average of $220). Flying from Boise to Puerto Rico in August is currently the most expensive (average of $501). 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 February 3, 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
4,271 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
4,271 reviews
Southwest
8.0
Very good
4,271 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
8,132 reviews
Southwest
8.0
Very good
4,271 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
9,229 reviews
Southwest
8.0
Very good
4,271 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
11,212 reviews
Southwest
8.0
Very good
4,271 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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, American Airlines, and United Airlines can get you from Boise to Puerto Rico in just under 10h. Your travel time can differ by up to 3h 05m. 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 - Culebra or Boise Air Term. Gowen Fld - Vieques.

  • 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 $220). Flying from Boise to Puerto Rico in August is currently the most expensive (average of $501). 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

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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.
Boise to Luis Munoz Marin Intl flights
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Spokane to Havana flights
Boise to Marsh Harbour flights
Spokane to Oranjestad flights
Boise to Vieques flights
Boise to Port of Spain 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$560FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$442Average$886FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$480Average$641FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$499Average$665FlexibilityNo cancel feeOn-time71%

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