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Caribbean Islands

$203+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Round-trip from

$405
(Delta)

One-way from

$203
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$606
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. 1% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 2, 2025.

This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:45 pmBOI - SJU
2 stops15h 44mDelta
Sat 9/137:00 amSJU - BOI
2 stops18h 59mDelta
Deal found 3/31$405
This CheapOair deal was found by Cheapflights users on 4/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/51:52 pmBOI - SJU
2 stops27h 48mSpirit Airlines
Thu 5/81:33 amSJU - BOI
2 stops11h 48mSpirit Airlines
Deal found 4/1$444
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:05 pmBOI - SJU
2 stops14h 15mSouthwest
Fri 5/910:45 amSJU - BOI
2 stops15h 10mSouthwest
Deal found 4/1$487
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/225:17 pmBOI - NAS
2 stops14h 48mAmerican Airlines
Tue 7/2911:05 amNAS - BOI
2 stops12h 50mAmerican Airlines
Deal found 3/31$489
This United deal was found by Cheapflights users on 4/1. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:09 pmBOI - SJU
2 stops16h 36mUnited Airlines
Fri 9/121:05 amSJU - BOI
2 stops12h 50mUnited Airlines
Deal found 4/1$495
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/212:16 pmBOI - STT
2 stops23h 20mSpirit Airlines
Thu 6/122:59 pmSTT - BOI
2 stops19h 42mSpirit Airlines
Deal found 4/1$502
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/292:43 pmBOI - NAS
2 stops21h 07mUnited Airlines
Wed 9/32:33 pmNAS - BOI
2 stops21h 10mUnited Airlines
Deal found 4/1$519
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:30 pmBOI - GCM
1 stop11h 01mDelta
Thu 9/1112:53 pmGCM - BOI
1 stop10h 50mDelta
Deal found 4/1$520
This American Airlines deal was found by Cheapflights users on 4/1. 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 5/51:38 pmBOI - SJU
1 stop13h 34mAmerican Airlines
Fri 5/97:15 amSJU - BOI
2 stops18h 17mAmerican Airlines
Deal found 4/1$530
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/172:40 pmBOI - SJU
3 stops29h 37mMultiple Airlines
Sat 5/248:12 pmSJU - BOI
3 stops23h 42mMultiple Airlines
Deal found 4/1$539
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/24:59 pmBOI - STT
2 stops17h 08mDelta
Thu 6/123:00 pmSTT - BOI
1 stop9h 25mDelta
Deal found 4/1$579
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/178:50 amBOI - SJU
2 stops18h 22mAlaska Airlines
Sat 5/246:30 amSJU - BOI
2 stops18h 20mAlaska Airlines
Deal found 4/1$585

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 April 2, 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

Sat 9/6

5:45 pm-11:29 am

2 stops15h 44m

San Juan Luis Munoz Marin Intl

Sat 9/13

7:00 am-11:59 pm

2 stops18h 59m

$405

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 5/5

1:52 pm-7:40 pm

2 stops27h 48m

San Juan Luis Munoz Marin Intl

Thu 5/8

1:33 am-11:21 am

2 stops11h 48m

$444

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 5/5

6:05 pm-10:20 am

2 stops14h 15m

San Juan Luis Munoz Marin Intl

Fri 5/9

10:45 am-11:55 pm

2 stops15h 10m

$487

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 9/6

7:09 pm-1:45 pm

2 stops16h 36m

San Juan Luis Munoz Marin Intl

Fri 9/12

1:05 am-11:55 am

2 stops12h 50m

$495

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Mon 6/2

12:16 pm-1:36 pm

2 stops23h 20m

Saint Thomas Island Cyril E King

Thu 6/12

2:59 pm-8:41 am

2 stops19h 42m

$502

BoiseGeorge Town

BOI - GCM

BOIGCM

Boise Air Term. Gowen Fld

Thu 9/4

11:30 pm-11:31 am

1 stop11h 01m

George Town Owen Roberts Intl

Thu 9/11

12:53 pm-10:43 pm

1 stop10h 50m

$520

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 5/5

1:38 pm-5:12 am

1 stop13h 34m

San Juan Luis Munoz Marin Intl

Fri 5/9

7:15 am-11:32 pm

2 stops18h 17m

$530

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 5/17

2:40 pm-10:17 pm

3 stops29h 37m

San Juan Luis Munoz Marin Intl

Sat 5/24

8:12 pm-5:54 pm

3 stops23h 42m

$539

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

Mon 6/2

4:59 pm-12:07 pm

2 stops17h 08m

Saint Thomas Island Cyril E King

Thu 6/12

3:00 pm-10:25 pm

1 stop9h 25m

$579

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 5/17

8:50 am-5:12 am

2 stops18h 22m

San Juan Luis Munoz Marin Intl

Sat 5/24

6:30 am-10:50 pm

2 stops18h 20m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 34 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 December is currently the most expensive (average of $336). 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 April 2, 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 April 2, 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
9,820 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 cheapest airlines to fly from Boise to Caribbean Islands one-way?

    $203 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $249 and $303, 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 - Montego Bay Sangster Intl or Boise Air Term. Gowen Fld - Gregory Town North Eleuthera.

  • 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 December is currently the most expensive (average of $336). 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$253Average$490FlexibilityNo cancel feeOn-time65%
DeltaCheapest$374Average$741FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$409Average$744FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$475Average$1,133FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$501Average$665FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$798FlexibilityNo cancel feeOn-time71%

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