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Caribbean

$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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Round-trip from

$405
(Delta)

One-way from

$203
(Delta)

Popular in

December

Cheapest in

October

Average price

$615
From Idaho to Caribbean
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One-way flight from Idaho to Caribbean
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($30 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 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 April 29, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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 7/186:04 pmBOI - SJU
2 stops17h 16mDelta
Sat 7/262:30 pmSJU - BOI
2 stops11h 29mDelta
Deal found 4/28$405
This Delta deal was found by Cheapflights users on 4/27. 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.
Tue 7/157:05 pmGEG - SJU
2 stops15h 15mDelta
Wed 7/232:30 pmSJU - GEG
2 stops12h 34mDelta
Deal found 4/27$405
This Delta deal was found by Cheapflights users on 4/27. 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.
Sun 5/48:00 pmBOI - NAS
2 stops13h 36mDelta
Tue 5/131:13 pmNAS - BOI
2 stops12h 15mDelta
Deal found 4/27$429
This American Airlines deal was found by Cheapflights users on 4/28. 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 9/27:00 amBOI - SJU
2 stops15h 05mAmerican Airlines
Wed 9/108:30 amSJU - BOI
2 stops17h 06mAmerican Airlines
Deal found 4/28$490
This United Airlines deal was found by Cheapflights users on 4/28. 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
Fri 9/121:05 amSJU - BOI
2 stops14h 25mUnited Airlines
Deal found 4/28$495
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Sun 5/47:05 amBOI - NAS
1 stop29h 55mAmerican Airlines
Tue 5/134:10 pmNAS - BOI
1 stop22h 35mAmerican Airlines
Deal found 4/27$506
This American Airlines deal was found by Cheapflights users on 4/28. 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 8/266:00 amGEG - SJU
2 stops15h 05mAmerican Airlines
Tue 9/27:05 pmSJU - GEG
2 stops19h 35mAmerican Airlines
Deal found 4/28$520
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 7/1012:27 pmGEG - GCM
1 stop24h 02mAmerican Airlines
Thu 7/173:30 pmGCM - GEG
1 stop9h 58mAmerican Airlines
Deal found 4/28$539
This Southwest deal was found by Cheapflights users on 4/28. 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 6/59:55 amGEG - SJU
2 stops12h 00mSouthwest
Fri 6/65:00 amSJU - GEG
2 stops11h 55mSouthwest
Deal found 4/28$555
This Southwest deal was found by Cheapflights users on 4/28. 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 8/77:45 pmBOI - SJU
2 stops12h 30mSouthwest
Sun 8/105:05 amSJU - BOI
2 stops12h 15mSouthwest
Deal found 4/28$582
This Mytrip deal was found by Cheapflights users on 4/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:44 pmBOI - PUJ
3 stops41h 33mMultiple Airlines
Sun 6/13:22 pmPUJ - BOI
2 stops21h 59mMultiple Airlines
Deal found 4/27$603
This Gotogate deal was found by Cheapflights users on 4/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:07 pmBOI - PUJ
2 stops18h 13mAir Canada
Mon 6/94:25 pmPUJ - BOI
2 stops26h 16mAir Canada
Deal found 4/27$621

Cheapflights Fare Finder

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 April 29, 2025.
Use the filters below to find and compare flights from Idaho to Caribbean that are best for you.

Fly from

Idaho

Fly to

Caribbean

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 7/18

6:04 pm-1:20 pm

2 stops17h 16m

San Juan Luis Munoz Marin Intl

Sat 7/26

4:25 pm-11:59 pm

1 stop9h 34m

$405

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 7/15

7:05 pm-1:20 pm

2 stops15h 15m

San Juan Luis Munoz Marin Intl

Wed 7/23

2:30 pm-12:04 am

2 stops12h 34m

$405

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

Wed 5/28

3:39 pm-1:55 pm

2 stops20h 16m

Nassau Intl

Wed 6/4

1:13 pm-12:22 am

2 stops13h 09m

$489

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 8/26

6:00 am-12:05 am

2 stops15h 05m

San Juan Luis Munoz Marin Intl

Tue 9/2

7:05 pm-11:40 am

2 stops19h 35m

$520

SpokaneGeorge Town

GEG - GCM

GEGGCM

Spokane

Thu 7/10

12:27 pm-2:29 pm

1 stop24h 02m

George Town Owen Roberts Intl

Thu 7/17

3:30 pm-11:28 pm

1 stop9h 58m

$539

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Thu 6/5

9:55 am-12:55 am

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Fri 6/6

5:00 am-1:55 pm

2 stops11h 55m

$555

BoisePunta Cana

BOI - PUJ

BOIPUJ

Boise Air Term. Gowen Fld

Sun 5/25

6:44 pm-2:17 pm

3 stops41h 33m

Punta Cana

Sun 6/1

3:22 pm-11:21 am

2 stops21h 59m

$603

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

Tue 6/3

5:10 pm-9:30 am

2 stops14h 20m

Nassau Intl

Mon 6/9

10:35 am-10:05 pm

2 stops13h 30m

$604

BoisePunta Cana

BOI - PUJ

BOIPUJ

Boise Air Term. Gowen Fld

Tue 6/3

7:07 pm-3:20 pm

2 stops18h 13m

Punta Cana

Mon 6/9

4:25 pm-4:41 pm

2 stops26h 16m

$621

BoisePunta Cana

BOI - PUJ

BOIPUJ

Boise Air Term. Gowen Fld

Tue 5/27

5:43 pm-11:04 am

2 stops15h 21m

Punta Cana

Tue 6/3

4:35 pm-9:46 am

2 stops19h 11m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 37 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.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Caribbean

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 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 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 April 29, 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 April 29, 2025.
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,292 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
LATAM Airlines
7.5
Good
1,766 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 Delta. According to our data, you can fly for as low as $203. Users have also found prices from $303 and $397 on United Airlines 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 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 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$668FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$253Average$424FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$409Average$766FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$475Average$1,133FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$501Average$664FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$716FlexibilityNo cancel feeOn-time71%

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