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$203+ Cheap flights from Idaho 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
1 adult, Economy
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Cheap flight deals from Idaho to Caribbean

Keep the following information in mind while searching for Idaho to Caribbean flight deals. Data was last updated February 23, 2025.

Round-trip from

$275
(Booking.com)

One-way from

$203
(American Airlines)

Popular in

March

Cheapest in

October

Average price

$674
From Idaho to Caribbean
Search Deals
One-way flight from Idaho to Caribbean
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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Find flight deals from Idaho to Caribbean

Cheapest flights from Idaho to Caribbean
Explore the most affordable flight options available from Idaho to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2025.

This Booking.com deal was found by Cheapflights users on 2/22. 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 4/71:31 pmBOI - SJU
2 stops25h 03mSpirit Airlines
Tue 4/158:55 pmSJU - BOI
2 stops18h 44mSpirit Airlines
Deal found 2/22$275
This Expedia deal was found by Cheapflights users on 2/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/71:23 pmBOI - SJU
1 stop13h 37mMultiple Airlines
Tue 4/158:55 pmSJU - BOI
2 stops18h 44mMultiple Airlines
Deal found 2/22$403
This Mytrip deal was found by Cheapflights users on 2/21. 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.
Sun 3/27:44 pmGEG - SJU
2 stops33h 59mMultiple Airlines
Tue 3/41:30 amSJU - GEG
2 stops35h 12mMultiple Airlines
Deal found 2/21$404
This Delta deal was found by Cheapflights users on 2/22. 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 3/237:15 pmBOI - SJU
2 stops18h 02mDelta
Sat 3/297:45 amSJU - BOI
2 stops17h 11mDelta
Deal found 2/22$405
This Delta deal was found by Cheapflights users on 2/22. 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 4/275:00 amGEG - SJU
2 stops15h 48mDelta
Tue 5/62:20 pmSJU - GEG
2 stops11h 47mDelta
Deal found 2/22$405
This Priceline deal was found by Cheapflights users on 2/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/261:31 pmBOI - PUJ
2 stops20h 46mSpirit Airlines
Sun 4/62:29 pmPUJ - BOI
2 stops24h 07mSpirit Airlines
Deal found 2/22$442
This American Airlines deal was found by Cheapflights users on 2/22. 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 4/283:21 pmGEG - SJU
2 stops16h 38mAmerican Airlines
Tue 5/66:20 amSJU - GEG
1 stop17h 53mAmerican Airlines
Deal found 2/22$455
This American Airlines deal was found by Cheapflights users on 2/22. 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 11/81:32 pmBOI - SJU
1 stop12h 33mAmerican Airlines
Sat 11/158:14 amSJU - BOI
1 stop16h 04mAmerican Airlines
Deal found 2/22$483
This United Airlines deal was found by Cheapflights users on 2/22. 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 11/87:00 pmBOI - SJU
2 stops14h 47mUnited Airlines
Fri 11/142:05 amSJU - BOI
2 stops14h 25mUnited Airlines
Deal found 2/22$493
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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.
Wed 3/191:36 pmBOI - SJU
1 stop13h 24mAlaska Airlines
Wed 3/266:05 amSJU - BOI
1 stop17h 50mAlaska Airlines
Deal found 2/22$594
This Southwest deal was found by Cheapflights users on 2/21. 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 3/207:55 pmBOI - SJU
2 stops11h 50mSouthwest
Tue 4/16:05 amSJU - BOI
2 stops14h 25mSouthwest
Deal found 2/21$595
This Delta deal was found by Cheapflights users on 2/22. 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 4/95:45 amBOI - SDQ
2 stops17h 00mDelta
Fri 4/182:43 pmSDQ - BOI
2 stops11h 26mDelta
Deal found 2/22$619

Find flights from Idaho to Caribbean within your budget

Customize your flight search to find flights from Idaho 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 February 23, 2025.

Fly from

Idaho

Fly to

Caribbean

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 4/7

1:31 pm-4:34 pm

2 stops25h 03m

San Juan Luis Munoz Marin Intl

Tue 4/15

8:55 pm-1:39 pm

2 stops18h 44m

$275

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 4/7

1:23 pm-5:00 am

1 stop13h 37m

San Juan Luis Munoz Marin Intl

Tue 4/15

8:55 pm-1:39 pm

2 stops18h 44m

$403

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 3/23

7:15 pm-3:17 pm

2 stops18h 02m

San Juan Luis Munoz Marin Intl

Sat 3/29

7:45 am-10:56 pm

2 stops17h 11m

$405

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sun 4/27

5:00 am-11:48 pm

2 stops15h 48m

San Juan Luis Munoz Marin Intl

Tue 5/6

2:20 pm-11:07 pm

2 stops11h 47m

$405

BoisePunta Cana

BOI - PUJ

BOIPUJ

Boise Air Term. Gowen Fld

Wed 3/26

1:31 pm-12:17 pm

2 stops20h 46m

Punta Cana

Sun 4/6

2:29 pm-12:36 pm

2 stops24h 07m

$442

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Mon 4/28

3:21 pm-10:59 am

2 stops16h 38m

San Juan Luis Munoz Marin Intl

Tue 5/6

6:20 am-9:13 pm

1 stop17h 53m

$455

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 4/7

1:23 pm-5:00 am

1 stop13h 37m

San Juan Luis Munoz Marin Intl

Mon 5/5

6:20 am-9:59 pm

1 stop17h 39m

$528

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 3/19

1:36 pm-5:00 am

1 stop13h 24m

San Juan Luis Munoz Marin Intl

Wed 3/26

6:05 am-9:55 pm

1 stop17h 50m

$594

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Thu 3/20

7:55 pm-9:45 am

2 stops11h 50m

San Juan Luis Munoz Marin Intl

Tue 4/1

6:05 am-6:30 pm

2 stops14h 25m

$595

BoiseSanto Domingo

BOI - SDQ

BOISDQ

Boise Air Term. Gowen Fld

Wed 4/9

5:45 am-12:45 am

2 stops17h 00m

Santo Domingo Las Americas

Fri 4/18

2:43 pm-10:28 pm

1 stop9h 45m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 35 results
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Best time to book a flight from Idaho to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean from Idaho 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.

Travel insights for flights from Idaho to Caribbean

Get recent, data-driven insights about flights from Idaho to Caribbean including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Idaho to Caribbean?

Currently, September is the cheapest month in which you can book a flight from Idaho to Caribbean (average of $254). Flying from Idaho to Caribbean in March is currently the most expensive (average of $363). 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 ID to CB?

Find hourly flight availability from Idaho 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 February 23, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Caribbean as you normally would.

Rainfall in Caribbean by month

Plan your trip to Caribbean by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean 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 when rainfall is around 2.2 in.

Temperature in Caribbean by month

Plan your trip to Caribbean by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean, 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

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 February 23, 2025.
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,702 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Copa Airlines
7.6
Good
1,500 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

LATAM Airlines
7.5
Good
1,789 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Caribbean. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Idaho to Caribbean one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $203. Users have also found prices from $203 and $435 on Delta and Alaska Airlines, respectively.

  • Can I find deals for flights from Idaho to Caribbean that include hotel bookings?

    Yes. In addition to deals on Idaho to Caribbean flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Caribbean?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Caribbean.

  • Can I find deals for business class flights from Idaho to Caribbean?

    Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Caribbean?

    Currently, September is the cheapest month in which you can book a flight from Idaho to Caribbean (average of $254). Flying from Idaho to Caribbean in March is currently the most expensive (average of $363). 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 Idaho to Caribbean

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Idaho to Caribbean

Discover the top 6 airlines that operate flights from Idaho 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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$253Average$441FlexibilityNo cancel feeOn-time65%
DeltaCheapest$287Average$747FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$409Average$787FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$452Average$805FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$463Average$659FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$475Average$1,133FlexibilityNo cancel feeOn-time75%
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