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$273+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
fev 26 — mar 51
qui 2/26
qui 3/5
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 janeiro 27, 2026.

This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 10/275:45 pm
BOI
-
SJU
2 stops16h 11m
Delta
sáb 10/313:30 pm
SJU
-
BOI
1 stop10h 05m
Delta
Deal found 1/25$416
This Southwest deal was found by Cheapflights users on 1/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/2411:20 am
BOI
-
SJU
2 stops10h 15m
Southwest
ter 3/35:40 am
SJU
-
BOI
2 stops12h 40m
Southwest
Deal found 1/25$430
This Southwest deal was found by Cheapflights users on 1/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 5/257:55 pm
BOI
-
SJU
2 stops12h 40m
Southwest
sex 5/296:50 am
SJU
-
BOI
2 stops18h 40m
Southwest
Deal found 1/25$470
This Southwest deal was found by Cheapflights users on 1/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 4/104:20 pm
BOI
-
SJU
2 stops14h 35m
Southwest
sex 4/176:50 am
SJU
-
BOI
2 stops12h 10m
Southwest
Deal found 1/26$488
This Delta deal was found by Cheapflights users on 1/27. 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.
ter 2/245:15 pm
BOI
-
NAS
2 stops16h 35m
Delta
ter 3/31:15 pm
NAS
-
BOI
2 stops11h 30m
Delta
Deal found 1/27$488
This Delta deal was found by Cheapflights users on 1/24. 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.
seg 5/1811:30 pm
BOI
-
SJU
1 stop10h 16m
Delta
qui 5/2112:50 pm
SJU
-
BOI
1 stop11h 48m
Delta
Deal found 1/24$496
This American Airlines deal was found by Cheapflights users on 1/26. 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.
qua 7/296:00 pm
BOI
-
SJU
2 stops13h 33m
American Airlines
sáb 8/112:59 am
SJU
-
BOI
1 stop15h 09m
American Airlines
Deal found 1/26$499
This United Airlines deal was found by Cheapflights users on 1/25. 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.
seg 3/26:55 pm
BOI
-
SJU
2 stops16h 45m
United Airlines
ter 3/32:05 am
SJU
-
BOI
2 stops17h 02m
United Airlines
Deal found 1/25$501
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/256:55 pm
BOI
-
NAS
2 stops18h 27m
United Airlines
qua 3/43:35 pm
NAS
-
BOI
2 stops20h 31m
United Airlines
Deal found 1/27$501
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 4/115:00 am
BOI
-
SJU
1 stop10h 38m
United Airlines
ter 4/141:00 am
SJU
-
BOI
2 stops16h 24m
United Airlines
Deal found 1/26$506
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/242:40 pm
BOI
-
NAS
2 stops19h 13m
United Airlines
ter 3/33:35 pm
NAS
-
BOI
1 stop22h 58m
United Airlines
Deal found 1/27$508
This American Airlines deal was found by Cheapflights users on 1/27. 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.
ter 5/262:58 pm
BOI
-
NAS
1 stop18h 43m
American Airlines
ter 6/26:29 pm
NAS
-
BOI
1 stop19h 00m
American Airlines
Deal found 1/27$516

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 janeiro 27, 2026.

Round-trip from

$430
(Southwest)

One-way from

$273
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$554
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. 1% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 janeiro 27, 2026.
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

ter 2/24

11:20 am-12:35 am

2 stops10h 15m

San Juan Luis Munoz Marin Intl

ter 3/3

5:40 am-3:20 pm

2 stops12h 40m

$430

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

ter 2/24

5:15 pm-11:50 am

2 stops16h 35m

Nassau Intl

ter 3/3

1:15 pm-10:45 pm

2 stops11h 30m

$488

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

sex 4/10

4:20 pm-8:55 am

2 stops14h 35m

San Juan Luis Munoz Marin Intl

sex 4/17

6:50 am-5:00 pm

2 stops12h 10m

$488

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

dom 4/12

11:30 pm-1:14 pm

1 stop11h 44m

San Juan Luis Munoz Marin Intl

qua 4/15

6:15 am-9:56 pm

2 stops17h 41m

$496

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

seg 3/2

6:55 pm-2:40 pm

2 stops16h 45m

San Juan Luis Munoz Marin Intl

ter 3/3

2:05 am-4:07 pm

2 stops17h 02m

$501

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

qua 2/25

6:55 pm-3:22 pm

2 stops18h 27m

Nassau Intl

qua 3/4

3:35 pm-10:06 am

2 stops20h 31m

$501

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

sáb 4/11

5:00 am-8:38 pm

2 stops13h 38m

San Juan Luis Munoz Marin Intl

sex 4/17

7:40 am-9:22 pm

2 stops15h 42m

$506

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

sáb 4/11

5:00 am-5:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

ter 4/14

1:00 am-3:24 pm

2 stops16h 24m

$506

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

sáb 2/28

2:40 pm-6:11 am

2 stops12h 31m

San Juan Luis Munoz Marin Intl

qua 3/4

8:30 am-11:38 pm

2 stops18h 08m

$506

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

qua 4/8

5:00 am-8:38 pm

2 stops13h 38m

San Juan Luis Munoz Marin Intl

ter 4/14

1:00 am-3:24 pm

2 stops16h 24m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 47 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 $220). Flying from Boise to Caribbean in May is currently the most expensive (average of $490). 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.

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 janeiro 27, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,118 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,205 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,197 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 10h 15m. The time it takes to get you to your destination can typically vary by up to 6h 30m. 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 - Saint Thomas Island Cyril E King 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 $220). Flying from Boise to Caribbean in May is currently the most expensive (average of $490). 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 4 airlines flying from Boise to Caribbean

Discover the top 4 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 janeiro 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$670FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$442Average$718FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$480Average$718FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$493Average$728FlexibilityNo cancel feeOn-time71%

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