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Caribbean Islands

$253+ Cheap flights from Boise (BOI) to Caribbean Islands

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Boise to Caribbean Islands

Keep the following information in mind while searching for Boise to Caribbean Islands flight deals. Data was last updated June 12, 2025.

Round-trip from

$415
(United Airlines)

One-way from

$253
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$715
From Boise Air Term. Gowen Fld to Caribbean Islands
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One-way flight from Boise Air Term. Gowen Fld to Caribbean Islands
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Highest demand for flights based on searches. 6% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Boise to Caribbean Islands

Cheapest flights from Boise to Caribbean Islands
Explore the most affordable flight options available from Boise to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 11/126:15 amBOI - SJU
1 stop9h 10mUnited Airlines
Fri 11/142:05 amSJU - BOI
2 stops14h 20mUnited Airlines
Deal found 6/10$415
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/33:35 pmBOI - NAS
1 stop23h 50mAmerican Airlines
Tue 7/86:30 pmNAS - BOI
1 stop18h 24mAmerican Airlines
Deal found 6/11$444
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:00 pmBOI - SJU
2 stops17h 26mDelta
Tue 7/291:06 pmSJU - BOI
2 stops13h 03mDelta
Deal found 6/10$464
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1011:40 pmBOI - NAS
1 stop11h 55mDelta
Thu 7/171:13 pmNAS - BOI
2 stops12h 56mDelta
Deal found 6/10$469
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/217:48 pmBOI - SJU
2 stops24h 02mSpirit Airlines
Thu 7/311:37 amSJU - BOI
2 stops19h 15mSpirit Airlines
Deal found 6/12$497
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/316:25 pmBOI - SJU
3 stops39h 07mMultiple Airlines
Sat 8/21:37 amSJU - BOI
2 stops43h 15mMultiple Airlines
Deal found 6/11$498
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 11/121:32 pmBOI - SJU
1 stop12h 33mAlaska Airlines
Sat 11/158:14 amSJU - BOI
1 stop16h 04mAlaska Airlines
Deal found 6/12$501
This American Airlines deal was found by Cheapflights users on 6/12. 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 11/121:32 pmBOI - SJU
1 stop12h 33mAmerican Airlines
Sat 11/158:14 amSJU - BOI
1 stop16h 04mAmerican Airlines
Deal found 6/12$508
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/245:00 amBOI - SJU
2 stops11h 50mSouthwest
Thu 7/311:30 pmSJU - BOI
2 stops13h 35mSouthwest
Deal found 6/10$539
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 7/35:42 pmBOI - NAS
2 stops20h 16mUnited Airlines
Tue 7/85:00 pmNAS - BOI
2 stops18h 46mUnited Airlines
Deal found 6/10$539
This American Airlines deal was found by Cheapflights users on 6/10. 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 10/151:41 pmBOI - AUA
2 stops19h 39mAmerican Airlines
Fri 10/313:25 pmAUA - BOI
2 stops23h 19mAmerican Airlines
Deal found 6/10$600
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2412:36 pmBOI - SJU
2 stops23h 42mFrontier
Wed 7/307:34 pmSJU - BOI
2 stops18h 12mFrontier
Deal found 6/10$606

Cheapflights Fare Finder

Customize your flight search to find flights from Boise to Caribbean Islands 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 June 12, 2025.
Use the filters below to find and compare flights from Boise to Caribbean Islands that are best for you.

Fly from

Boise

Fly to

Caribbean Islands

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 11/12

6:15 am-6:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Fri 11/14

2:05 am-1:25 pm

2 stops14h 20m

$415

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

Thu 7/3

3:35 pm-5:25 pm

1 stop23h 50m

Nassau Intl

Tue 7/8

6:30 pm-10:54 am

1 stop18h 24m

$444

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 7/25

6:00 pm-1:26 pm

2 stops17h 26m

San Juan Luis Munoz Marin Intl

Tue 7/29

1:06 pm-12:09 am

2 stops13h 03m

$464

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

Thu 7/10

11:40 pm-1:35 pm

1 stop11h 55m

Nassau Intl

Thu 7/17

1:13 pm-12:09 am

2 stops12h 56m

$469

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 7/21

7:48 pm-9:50 pm

2 stops24h 02m

San Juan Luis Munoz Marin Intl

Thu 7/31

1:37 am-6:52 pm

2 stops19h 15m

$497

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Thu 7/31

6:25 pm-11:32 am

3 stops39h 07m

San Juan Luis Munoz Marin Intl

Sat 8/2

1:37 am-6:52 pm

2 stops43h 15m

$498

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 11/12

1:32 pm-5:05 am

1 stop12h 33m

San Juan Luis Munoz Marin Intl

Sat 11/15

8:14 am-9:18 pm

1 stop16h 04m

$501

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 11/12

1:32 pm-5:05 am

1 stop12h 33m

San Juan Luis Munoz Marin Intl

Sat 11/15

8:14 am-9:18 pm

1 stop16h 04m

$508

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Thu 7/24

5:00 am-6:50 pm

2 stops11h 50m

San Juan Luis Munoz Marin Intl

Thu 7/31

1:30 pm-1:05 am

2 stops13h 35m

$539

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

Thu 7/3

5:42 pm-3:58 pm

2 stops20h 16m

Nassau Intl

Tue 7/8

5:00 pm-9:46 am

2 stops18h 46m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 32 results
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Best time to book a flight from Boise to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands 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 Caribbean Islands

What is the cheapest month to book a flight from Boise to Caribbean Islands?

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

Find hourly flight availability from Boise to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

Rainfall in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean Islands 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 Caribbean Islands when rainfall is around 2.2 in.

Temperature in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean Islands, 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 Caribbean Islands

Get insights into the airlines that provide service to Caribbean Islands. 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 Caribbean Islands. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Boise to Caribbean Islands. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
LATAM Airlines
7.5
Good
1,785 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Copa Airlines
7.5
Good
1,451 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Boise to Caribbean Islands. 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 Caribbean Islands?

    Boise Air Term. Gowen Fld (BOI), located 3.3 mi from the city center, is the airport you fly out of when you book flights from Boise to Caribbean Islands.

  • What are the most popular routes from Boise to Caribbean Islands?

    The most popular route from Boise to Caribbean Islands is Boise Air Term. Gowen Fld - San Juan Luis Munoz Marin Intl. You may also consider Boise Air Term. Gowen Fld - Punta Cana or Boise Air Term. Gowen Fld - Nassau Intl.

  • Can I find deals for flights from Boise to Caribbean Islands that include hotel bookings?

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

  • How can I find direct flights from Boise to Caribbean Islands?

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

  • Can I find deals for business class flights from Boise to Caribbean Islands?

    Yes. Cheapflights offers flight deals from Boise to Caribbean Islands 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 Caribbean Islands?

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

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Alternative routes for Boise to Caribbean Islands

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Top 6 airlines flying from Boise to Caribbean Islands

Discover the top 6 airlines that operate flights from Boise to Caribbean Islands. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$253Average$415FlexibilityNo cancel feeOn-time65%
DeltaCheapest$374Average$687FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$409Average$722FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$475Average$1,133FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$501Average$733FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$735FlexibilityNo cancel feeOn-time71%

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