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Caribbean Islands

$188+ 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
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
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 August 17, 2025.

Round-trip from

$332
(FlightHub)

One-way from

$188
(Delta)

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. 5% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 17, 2025.

This FlightHub deal was found by Cheapflights users on 8/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/62:16 pmBOI - SJU
2 stops21h 27mSpirit Airlines
Thu 9/112:38 pmSJU - BOI
2 stops31h 53mSpirit Airlines
Deal found 8/16$332
This Delta deal was found by Cheapflights users on 8/14. 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 10/315:42 amBOI - SJU
2 stops14h 17mDelta
Sat 11/154:30 pmSJU - BOI
1 stop10h 08mDelta
Deal found 8/14$375
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:58 pmBOI - SJU
2 stops41h 01mSpirit Airlines
Sat 11/156:00 amSJU - BOI
2 stops32h 53mSpirit Airlines
Deal found 8/14$384
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/231:57 pmBOI - SJU
2 stops19h 14mAmerican Airlines
Tue 9/303:55 pmSJU - BOI
2 stops22h 32mAmerican Airlines
Deal found 8/15$411
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/62:16 pmBOI - SJU
2 stops21h 27mSpirit Airlines
Sat 9/136:44 amSJU - BOI
2 stops32h 37mSpirit Airlines
Deal found 8/17$434
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:48 pmBOI - SJU
2 stops36h 52mSpirit Airlines
Sun 11/95:28 pmSJU - BOI
2 stops20h 55mSpirit Airlines
Deal found 8/15$449
This Delta deal was found by Cheapflights users on 8/17. 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 11/911:30 pmBOI - AUA
1 stop12h 45mDelta
Tue 11/183:15 pmAUA - BOI
2 stops24h 23mDelta
Deal found 8/17$472
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:25 pmBOI - STT
2 stops17h 26mSpirit Airlines
Sun 11/91:33 pmSTT - BOI
2 stops24h 50mSpirit Airlines
Deal found 8/15$477
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/61:57 pmBOI - SJU
2 stops19h 14mAmerican Airlines
Sat 9/136:10 amSJU - BOI
2 stops18h 44mAmerican Airlines
Deal found 8/15$481
This Delta deal was found by Cheapflights users on 8/16. 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 9/243:45 pmBOI - GCM
2 stops18h 51mDelta
Sun 10/512:52 pmGCM - BOI
1 stop10h 31mDelta
Deal found 8/16$483
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/67:00 amBOI - SJU
1 stop8h 30mUnited Airlines
Wed 9/101:05 amSJU - BOI
2 stops17h 53mUnited Airlines
Deal found 8/16$484
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/301:57 pmBOI - NAS
2 stops17h 48mAmerican Airlines
Tue 10/711:40 amNAS - BOI
2 stops12h 42mAmerican Airlines
Deal found 8/16$493

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 August 17, 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

2:16 pm-1:43 pm

2 stops21h 27m

San Juan Luis Munoz Marin Intl

Thu 9/11

2:38 pm-8:31 pm

2 stops31h 53m

$332

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 10/31

5:42 am-9:59 pm

2 stops14h 17m

San Juan Luis Munoz Marin Intl

Sat 11/15

4:30 pm-11:38 pm

1 stop10h 08m

$375

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 10/31

8:58 pm-3:59 pm

2 stops41h 01m

San Juan Luis Munoz Marin Intl

Sat 11/15

6:00 am-11:53 am

2 stops32h 53m

$384

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 9/23

1:57 pm-11:11 am

2 stops19h 14m

San Juan Luis Munoz Marin Intl

Tue 9/30

3:55 pm-12:27 pm

2 stops22h 32m

$411

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 9/6

2:16 pm-1:43 pm

2 stops21h 27m

San Juan Luis Munoz Marin Intl

Sat 9/13

6:44 am-1:21 pm

2 stops32h 37m

$434

BoiseOranjestad

BOI - AUA

BOIAUA

Boise Air Term. Gowen Fld

Mon 11/10

7:30 pm-2:00 pm

2 stops15h 30m

Oranjestad Reina Beatrix

Wed 11/12

4:30 pm-4:29 pm

2 stops26h 59m

$472

BoiseOranjestad

BOI - AUA

BOIAUA

Boise Air Term. Gowen Fld

Sun 11/9

11:30 pm-3:15 pm

1 stop12h 45m

Oranjestad Reina Beatrix

Tue 11/18

3:15 pm-12:38 pm

2 stops24h 23m

$472

BoiseOranjestad

BOI - AUA

BOIAUA

Boise Air Term. Gowen Fld

Tue 11/11

11:30 am-2:00 pm

2 stops23h 30m

Oranjestad Reina Beatrix

Fri 11/14

3:15 pm-4:52 pm

2 stops28h 37m

$472

BoiseOranjestad

BOI - AUA

BOIAUA

Boise Air Term. Gowen Fld

Tue 11/11

11:30 am-2:00 pm

2 stops23h 30m

Oranjestad Reina Beatrix

Tue 11/18

3:15 pm-12:38 pm

2 stops24h 23m

$472

BoiseOranjestad

BOI - AUA

BOIAUA

Boise Air Term. Gowen Fld

Mon 11/10

5:00 pm-2:00 pm

2 stops18h 00m

Oranjestad Reina Beatrix

Fri 11/14

3:15 pm-4:52 pm

2 stops28h 37m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 47 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 June is currently the most expensive (average of $339). 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 August 17, 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.

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 August 17, 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
10,000 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,986 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,919 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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?

    $188 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $233 and $428, 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 - Saint Thomas Island Cyril E King.

  • 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 June is currently the most expensive (average of $339). 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 August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$686FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$475Average$1,133FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$495Average$733FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$504Average$710FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$543Average$761FlexibilityNo cancel feeOn-time71%

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