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$188+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Boise to Caribbean

Keep the following information in mind while searching for Boise to Caribbean flight deals. Data was last updated October 28, 2025.

Round-trip from

$395
(Delta)

One-way from

$188
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$550
From Boise Air Term. Gowen Fld to Caribbean
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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 ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 28, 2025.

This Southwest deal was found by Cheapflights users on 10/27. 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.
Sat 12/65:00 amBOI - SJU
2 stops15h 00mSouthwest
Sat 12/138:20 amSJU - BOI
2 stops15h 55mSouthwest
Deal found 10/27$486
This Delta deal was found by Cheapflights users on 10/27. 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 12/64:45 pmBOI - SJU
2 stops17h 13mDelta
Sat 12/137:00 amSJU - BOI
2 stops15h 34mDelta
Deal found 10/27$489
This Delta deal was found by Cheapflights users on 10/28. 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.
Wed 11/125:20 amBOI - SJU
2 stops15h 36mDelta
Wed 11/197:15 amSJU - BOI
2 stops14h 39mDelta
Deal found 10/28$490
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/121:40 pmBOI - SJU
2 stops17h 37mAmerican Airlines
Wed 11/197:15 amSJU - BOI
1 stop18h 17mAmerican Airlines
Deal found 10/28$508
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/62:09 pmBOI - SJU
2 stops17h 00mAmerican Airlines
Sat 12/136:54 amSJU - BOI
1 stop18h 27mAmerican Airlines
Deal found 10/27$537
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Sat 12/272:40 pmBOI - SJU
2 stops12h 31mUnited Airlines
Sun 1/47:00 amSJU - BOI
2 stops15h 13mUnited Airlines
Deal found 10/25$540
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 11/287:00 amBOI - SJU
2 stops14h 44mAmerican Airlines
Tue 12/96:00 amSJU - BOI
2 stops19h 25mAmerican Airlines
Deal found 10/26$548
This United Airlines deal was found by Cheapflights users on 10/28. 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
2 stops13h 07mUnited Airlines
Tue 11/182:05 amSJU - BOI
2 stops14h 39mUnited Airlines
Deal found 10/28$580
This Delta deal was found by Cheapflights users on 10/27. 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 11/115:58 pmBOI - SJU
2 stops15h 48mDelta
Sat 11/157:15 amSJU - BOI
2 stops16h 09mDelta
Deal found 10/27$585
This Delta deal was found by Cheapflights users on 10/28. 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 12/147:45 pmBOI - NAS
2 stops15h 45mDelta
Sun 12/214:28 pmNAS - BOI
1 stop8h 13mDelta
Deal found 10/28$588
This Delta deal was found by Cheapflights users on 10/28. 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 12/143:13 pmBOI - GCM
2 stops19h 22mDelta
Mon 12/221:52 pmGCM - BOI
1 stop10h 45mDelta
Deal found 10/28$603
This Delta deal was found by Cheapflights users on 10/26. 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 11/245:20 amBOI - SDQ
2 stops17h 16mDelta
Thu 12/43:57 pmSDQ - BOI
2 stops21h 18mDelta
Deal found 10/26$622

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 October 28, 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 2/17

7:45 am-12:40 am

2 stops13h 55m

San Juan Luis Munoz Marin Intl

Tue 2/24

6:10 am-3:20 pm

2 stops12h 10m

$413

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 3/3

5:40 am-11:58 pm

2 stops15h 18m

San Juan Luis Munoz Marin Intl

Tue 3/10

1:10 pm-10:50 pm

1 stop11h 40m

$460

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 2/25

7:11 am-12:36 am

2 stops14h 25m

San Juan Luis Munoz Marin Intl

Tue 3/3

8:35 am-9:32 pm

2 stops15h 57m

$485

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 2/25

7:11 am-12:36 am

2 stops14h 25m

San Juan Luis Munoz Marin Intl

Thu 3/5

2:25 pm-9:16 pm

1 stop9h 51m

$485

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 3/3

6:25 am-12:36 am

2 stops15h 11m

San Juan Luis Munoz Marin Intl

Wed 3/4

2:25 pm-9:32 pm

1 stop10h 07m

$485

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 11/12

5:20 am-11:56 pm

2 stops15h 36m

San Juan Luis Munoz Marin Intl

Wed 11/19

7:15 am-6:54 pm

2 stops14h 39m

$490

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

Tue 1/6

7:05 pm-11:53 am

2 stops14h 48m

Nassau Intl

Sun 1/11

3:35 pm-10:57 pm

1 stop9h 22m

$492

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

Sat 1/3

5:00 am-4:14 pm

1 stop9h 14m

Nassau Intl

Sat 1/10

2:35 pm-10:06 am

2 stops21h 31m

$499

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 11/12

1:40 pm-10:17 am

2 stops17h 37m

San Juan Luis Munoz Marin Intl

Wed 11/19

7:15 am-10:32 pm

1 stop18h 17m

$508

BoiseGeorge Town

BOI - GCM

BOIGCM

Boise Air Term. Gowen Fld

Sun 1/18

11:20 am-12:40 pm

2 stops23h 20m

George Town Owen Roberts Intl

Tue 1/27

2:05 pm-12:04 pm

2 stops23h 59m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 56 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 August is currently the most expensive (average of $472). 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 October 28, 2025.

It’s typically best to fly out from Boise to Caribbean in the evening. Doing so could potentially save you 19% 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 October 28, 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
11,203 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,203 reviews
Alaska Airlines
8.0
Very good
11,203 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,240 reviews
Alaska Airlines
8.0
Very good
11,203 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,994 reviews
Alaska Airlines
8.0
Very good
11,203 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,001 reviews
Alaska Airlines
8.0
Very good
11,203 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,032 reviews
Alaska Airlines
8.0
Very good
11,203 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 United Airlines fly from Boise to Caribbean in about 13h 55m. The time it takes to get you to your destination can typically vary by up to 1h 23m. 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 cheapest airlines to fly from Boise to Caribbean one-way?

    One-way options have recently been found by users for as low as $198 on Delta. Other airlines that offer cheap prices include Frontier from $241 and United Airlines from $342 one-way.

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

    While some choose either Boise Air Term. Gowen Fld - Punta Cana 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 August is currently the most expensive (average of $472). 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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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$724FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$449Average$699FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$475Average$1,133FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$480Average$725FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$741FlexibilityNo cancel feeOn-time71%

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