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Caribbean Islands

$198+ 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
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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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 October 10, 2025.

This Delta deal was found by Cheapflights users on 10/9. 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 11/85:55 pmBOI - SJU
2 stops20h 25mDelta
Thu 11/207:15 amSJU - BOI
2 stops14h 39mDelta
Deal found 10/9$395
This Southwest deal was found by Cheapflights users on 10/8. 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.
Tue 12/95:15 amBOI - SJU
2 stops13h 15mSouthwest
Mon 12/152:05 pmSJU - BOI
2 stops12h 05mSouthwest
Deal found 10/8$431
This Delta deal was found by Cheapflights users on 10/9. 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 10/316:00 amBOI - SJU
2 stops13h 59mDelta
Tue 11/47:00 amSJU - BOI
2 stops16h 16mDelta
Deal found 10/9$438
This Delta deal was found by Cheapflights users on 10/9. 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 11/85:55 pmBOI - SJU
2 stops20h 25mDelta
Sat 11/154:50 pmSJU - BOI
1 stop10h 19mDelta
Deal found 10/9$439
This American Airlines deal was found by Cheapflights users on 10/9. 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.
Sat 11/82:16 pmBOI - SJU
2 stops17h 01mAmerican Airlines
Mon 11/177:15 amSJU - BOI
1 stop18h 17mAmerican Airlines
Deal found 10/9$470
This Delta deal was found by Cheapflights users on 10/9. 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 11/911:35 pmBOI - SJU
1 stop10h 11mDelta
Tue 11/183:20 pmSJU - BOI
2 stops12h 15mDelta
Deal found 10/9$475
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Sat 11/86:15 amBOI - SJU
1 stop9h 10mUnited Airlines
Wed 11/198:10 amSJU - BOI
2 stops16h 11mUnited Airlines
Deal found 10/9$485
This United Airlines deal was found by Cheapflights users on 10/9. 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 10/315:00 amBOI - SJU
1 stop10h 25mUnited Airlines
Mon 11/32:05 amSJU - BOI
2 stops14h 20mUnited Airlines
Deal found 10/9$486
This Delta deal was found by Cheapflights users on 10/7. 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 10/275:25 amBOI - SJU
2 stops16h 31mDelta
Wed 10/297:00 amSJU - BOI
2 stops19h 08mDelta
Deal found 10/7$490
This Delta deal was found by Cheapflights users on 10/9. 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 11/911:35 pmBOI - SJU
1 stop11h 42mDelta
Sat 11/154:50 pmSJU - BOI
1 stop10h 19mDelta
Deal found 10/9$519
This Southwest deal was found by Cheapflights users on 10/8. 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 11/135:40 pmBOI - SJU
2 stops14h 20mSouthwest
Mon 11/1711:20 amSJU - BOI
2 stops14h 50mSouthwest
Deal found 10/8$533
This Southwest deal was found by Cheapflights users on 10/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:40 pmBOI - GCM
2 stops16h 55mSouthwest
Mon 12/221:30 pmGCM - BOI
2 stops13h 10mSouthwest
Deal found 10/9$556

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 October 10, 2025.

Round-trip from

$395
(Delta)

One-way from

$243
(Southwest)

Popular in

March

Cheapest in

September

Average price

$546
From Boise Air Term. Gowen Fld to Caribbean Islands
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 10, 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

Mon 11/10

5:58 pm-12:56 pm

2 stops15h 58m

San Juan Luis Munoz Marin Intl

Thu 11/20

7:15 am-10:22 pm

2 stops18h 07m

$395

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 12/9

5:15 am-9:30 pm

2 stops13h 15m

San Juan Luis Munoz Marin Intl

Mon 12/15

2:05 pm-11:10 pm

2 stops12h 05m

$431

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 3/10

5:00 am-5:25 pm

1 stop10h 25m

San Juan Luis Munoz Marin Intl

Tue 3/10

1:05 am-1:30 pm

2 stops14h 25m

$480

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 12/9

8:15 am-9:00 pm

1 stop9h 45m

San Juan Luis Munoz Marin Intl

Tue 12/16

7:45 am-9:25 pm

2 stops16h 40m

$485

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 3/7

6:00 pm-4:29 pm

2 stops19h 29m

San Juan Luis Munoz Marin Intl

Wed 3/11

1:10 pm-10:50 pm

1 stop11h 40m

$490

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 10/27

6:15 am-5:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Tue 10/28

1:05 am-1:29 pm

2 stops14h 24m

$490

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 11/7

5:55 pm-5:25 pm

2 stops20h 30m

San Juan Luis Munoz Marin Intl

Wed 11/19

7:15 am-8:24 pm

2 stops16h 09m

$540

BoiseGeorge Town

BOI - GCM

BOIGCM

Boise Air Term. Gowen Fld

Sun 12/14

5:40 pm-12:35 pm

2 stops16h 55m

George Town Owen Roberts Intl

Mon 12/22

1:30 pm-12:40 am

2 stops13h 10m

$556

BoiseGeorge Town

BOI - GCM

BOIGCM

Boise Air Term. Gowen Fld

Fri 11/7

1:40 pm-3:00 pm

1 stop23h 20m

George Town Owen Roberts Intl

Tue 11/11

3:36 pm-12:35 pm

2 stops22h 59m

$569

BoiseGeorge Town

BOI - GCM

BOIGCM

Boise Air Term. Gowen Fld

Fri 11/7

7:00 pm-1:45 pm

2 stops16h 45m

George Town Owen Roberts Intl

Tue 11/11

5:45 pm-9:58 am

2 stops18h 13m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 52 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, June is the cheapest month in which you can book a flight from Boise to Caribbean Islands (average of $216). Flying from Boise to Caribbean Islands 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 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 October 10, 2025.

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

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

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

Travelers seeking maximum savings on their Boise to Caribbean Islands 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 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 October 10, 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
11,050 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
11,050 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
4,237 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
8.0
Very good
7,969 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
8,968 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
11,043 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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 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.

  • How long is the flight from Boise to Caribbean Islands?

    A quick flight from Boise to Caribbean Islands can take about 10h 25m. Delta provides one of the quickest options available for as low as $480. Airlines will cover a distance of 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 Islands one-way?

    $198 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $243 and $284, respectively.

  • 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, June is the cheapest month in which you can book a flight from Boise to Caribbean Islands (average of $216). Flying from Boise to Caribbean Islands 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.

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Top 5 airlines flying from Boise to Caribbean Islands

Discover the top 5 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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$728FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$469Average$693FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$475Average$1,133FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$480Average$729FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$741FlexibilityNo cancel feeOn-time71%

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