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$178+ Cheap flights from Boise (BOI) to Caribbean

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Boise to Caribbean

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

This Delta deal was found by Cheapflights users on 12/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:47 pmBOI - AUA
1 stop9h 43mDelta
Wed 12/314:35 pmAUA - BOI
2 stops28h 04mDelta
Deal found 12/9$725
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 12/115:25 pmBOI - SJU
2 stops15h 34mAmerican Airlines
Sat 12/206:44 amSJU - BOI
1 stop18h 18mAmerican Airlines
Deal found 12/9$730
This Delta deal was found by Cheapflights users on 12/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:00 pmBOI - AUA
2 stops20h 30mDelta
Wed 12/314:35 pmAUA - BOI
2 stops22h 27mDelta
Deal found 12/9$774
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Mon 12/295:00 amBOI - PUJ
1 stop10h 18mUnited Airlines
Mon 1/52:05 pmPUJ - BOI
1 stop23h 02mUnited Airlines
Deal found 12/9$836
This Delta deal was found by Cheapflights users on 12/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:47 pmBOI - AUA
1 stop9h 43mDelta
Wed 12/314:35 pmAUA - BOI
2 stops20h 45mDelta
Deal found 12/9$850
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/266:15 amBOI - AUA
2 stops31h 35mUnited Airlines
Wed 12/315:50 pmAUA - BOI
2 stops31h 50mUnited Airlines
Deal found 12/9$857
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/112:20 pmBOI - AUA
2 stops20h 20mUnited Airlines
Sat 12/132:50 pmAUA - BOI
1 stop10h 55mUnited Airlines
Deal found 12/10$894
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Sun 12/215:23 pmBOI - NAS
2 stops15h 56mAmerican Airlines
Sun 12/281:35 pmNAS - BOI
1 stop11h 24mAmerican Airlines
Deal found 12/11$894
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:45 pmBOI - SJU
2 stops15h 02mDelta
Sat 12/204:45 pmSJU - BOI
1 stop10h 08mDelta
Deal found 12/11$987
This Delta deal was found by Cheapflights users on 12/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:30 amBOI - AUA
1 stop30h 55mDelta
Wed 12/314:35 pmAUA - BOI
2 stops28h 04mDelta
Deal found 12/9$992
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:25 pmBOI - SJU
1 stop22h 00mUnited Airlines
Sat 12/202:25 pmSJU - BOI
1 stop11h 15mUnited Airlines
Deal found 12/11$1,038
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:51 pmBOI - NAS
1 stop9h 17mDelta
Sun 12/2812:33 pmNAS - BOI
1 stop12h 04mDelta
Deal found 12/11$1,041

Find flight deals from Boise to Caribbean

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

Round-trip from

$395
(Southwest)

One-way from

$178
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$618
From Boise Air Term. Gowen Fld to Caribbean
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Caribbean
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($18 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 December 2025
Search Deals

Cheapflights Fare Finder

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

Fly from

Boise

Fly to

Caribbean

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 2/3

7:45 am-12:35 am

2 stops13h 50m

San Juan Luis Munoz Marin Intl

Tue 2/10

12:10 pm-10:30 pm

2 stops13h 20m

$395

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 2/2

6:20 pm-1:05 pm

2 stops15h 45m

San Juan Luis Munoz Marin Intl

Fri 2/6

7:30 am-11:59 pm

2 stops19h 29m

$405

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 2/2

7:45 am-11:10 pm

2 stops12h 25m

San Juan Luis Munoz Marin Intl

Fri 2/6

5:35 am-3:50 pm

2 stops13h 15m

$405

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 2/2

7:20 am-10:26 pm

1 stop12h 06m

San Juan Luis Munoz Marin Intl

Fri 2/6

7:07 am-7:25 pm

1 stop15h 18m

$431

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 3/7

4:25 pm-8:55 am

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Wed 3/11

6:40 am-10:20 pm

2 stops17h 40m

$431

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 4/21

6:00 am-9:05 pm

2 stops13h 05m

San Juan Luis Munoz Marin Intl

Sat 4/25

6:25 am-4:15 pm

2 stops11h 50m

$441

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 3/7

1:36 pm-9:00 am

2 stops16h 24m

San Juan Luis Munoz Marin Intl

Tue 3/10

1:30 am-12:48 pm

1 stop13h 18m

$470

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 2/23

6:55 pm-2:40 pm

2 stops16h 45m

San Juan Luis Munoz Marin Intl

Thu 2/26

7:45 am-8:55 pm

2 stops16h 10m

$485

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

Thu 4/9

11:36 pm-4:45 pm

1 stop15h 09m

Nassau Intl

Thu 4/16

3:03 pm-10:38 pm

1 stop9h 35m

$495

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

Wed 4/29

11:30 pm-3:54 pm

1 stop14h 24m

Nassau Intl

Tue 5/5

1:12 pm-10:38 pm

1 stop11h 26m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 49 results
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Best time to book a flight from Boise to Caribbean

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

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

Currently, June is the cheapest month in which you can book a flight from Boise to Caribbean (average of $217). Flying from Boise to Caribbean in May is currently the most expensive (average of $484). 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 CB?

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

It’s typically best to fly out from Boise to Caribbean in the afternoon. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Boise to Caribbean?

Use this chart to determine the cheapest time to fly round-trip from Boise to Caribbean. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boise to Caribbean flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Caribbean

Get insights into the airlines that provide service to Caribbean. 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. Reviews last updated December 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Boise to Caribbean have to say. 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
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,253 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

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

    Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld (BOI) is the airport most travelers will use when flying to Caribbean from Boise.

  • How long is the flight from Boise to Caribbean?

    Airlines like Southwest, Delta, and American Airlines fly from Boise to Caribbean in about 12h 06m. The time it takes to get you to your destination can typically vary by up to 3h 39m. The distance from Boise to Caribbean is about 3374 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    While some choose either Boise Air Term. Gowen Fld - Bridgetown Grantley Adams Intl or Boise Air Term. Gowen Fld - Nassau Intl, Boise Air Term. Gowen Fld - San Juan Luis Munoz Marin Intl is the most popular route from Boise to Caribbean.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Caribbean 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?

    Currently, June is the cheapest month in which you can book a flight from Boise to Caribbean (average of $217). Flying from Boise to Caribbean in May is currently the most expensive (average of $484). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Boise to Caribbean

Discover the top 5 airlines that operate flights from Boise to Caribbean. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$684FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$449Average$706FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$463Average$715FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$475Average$1,133FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$493Average$736FlexibilityNo cancel feeOn-time71%

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