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Caribbean Islands

$164+ Cheap flights from Idaho 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Idaho to Caribbean Islands

Keep the following information in mind while searching for Idaho to Caribbean Islands flight deals. Data was last updated febrero 20, 2025.

Round-trip from

$297
(Booking.com)

One-way from

$164
(Alaska Airlines)

Popular in

March

Cheapest in

October

Average price

$674
From Idaho to Caribbean Islands
Search Deals
One-way flight from Idaho to Caribbean Islands
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 Islands

Cheapest flights from Idaho to Caribbean Islands
Explore the most affordable flight options available from Idaho to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This Booking.com deal was found by Cheapflights users on 2/20. 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.
mié. 4/21:31 pmBOI - SJU
2 stops25h 03mSpirit Airlines
dom. 4/68:16 pmSJU - BOI
2 stops18h 20mSpirit Airlines
Deal found 2/20$297
This Booking.com deal was found by Cheapflights users on 2/19. 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.
mar. 3/111:31 pmBOI - STT
2 stops21h 14mSpirit Airlines
mar. 3/1811:11 amSTT - BOI
2 stops27h 25mSpirit Airlines
Deal found 2/19$343
This Delta deal was found by Cheapflights users on 2/19. 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.
vie. 10/2411:30 pmBOI - SJU
1 stop11h 53mDelta
vie. 10/312:28 pmSJU - BOI
1 stop10h 05mDelta
Deal found 2/19$405
This Delta deal was found by Cheapflights users on 2/20. 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.
dom. 4/2710:45 pmGEG - SJU
1 stop12h 34mDelta
mar. 5/66:35 amSJU - GEG
2 stops15h 09mDelta
Deal found 2/20$405
This Travelocity deal was found by Cheapflights users on 2/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/21:36 pmBOI - SJU
1 stop13h 24mMultiple Airlines
dom. 4/68:16 pmSJU - BOI
2 stops18h 20mMultiple Airlines
Deal found 2/20$409
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
sáb. 5/107:00 amGEG - NAS
1 stop9h 59mAlaska Airlines
sáb. 5/179:00 amNAS - GEG
1 stop16h 22mAlaska Airlines
Deal found 2/19$435
This American Airlines deal was found by Cheapflights users on 2/19. 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.
lun. 4/283:21 pmGEG - SJU
2 stops16h 38mAmerican Airlines
mar. 5/66:20 amSJU - GEG
1 stop17h 53mAmerican Airlines
Deal found 2/19$455
This American Airlines deal was found by Cheapflights users on 2/20. 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.
sáb. 11/81:32 pmBOI - SJU
1 stop12h 33mAmerican Airlines
sáb. 11/158:14 amSJU - BOI
1 stop16h 04mAmerican Airlines
Deal found 2/20$483
This United Airlines deal was found by Cheapflights users on 2/20. 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. 11/87:00 amBOI - SJU
1 stop8h 19mUnited Airlines
vie. 11/142:05 amSJU - BOI
2 stops14h 25mUnited Airlines
Deal found 2/20$493
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 3/123:20 pmGEG - NAS
2 stops15h 40mAmerican Airlines
mié. 3/1911:00 amNAS - GEG
2 stops13h 13mAmerican Airlines
Deal found 2/19$495
This United Airlines deal was found by Cheapflights users on 2/18. 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.
mié. 3/195:00 amGEG - SJU
2 stops13h 22mUnited Airlines
mar. 3/251:05 amSJU - GEG
2 stops14h 38mUnited Airlines
Deal found 2/18$517
This United Airlines deal was found by Cheapflights users on 2/20. 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.
dom. 4/67:00 pmBOI - NAS
2 stops16h 50mUnited Airlines
dom. 4/132:33 pmNAS - BOI
2 stops21h 14mUnited Airlines
Deal found 2/20$529

Find flights from Idaho to Caribbean Islands within your budget

Customize your flight search to find flights from Idaho 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 febrero 20, 2025.

Fly from

Idaho

Fly to

Caribbean Islands

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mié. 4/2

1:31 pm-4:34 pm

2 stops25h 03m

San Juan Luis Munoz Marin Intl

dom. 4/6

8:16 pm-12:36 pm

2 stops18h 20m

$297

BoiseSaint Thomas Island

BOI - STT

BOISTT

Boise Air Term. Gowen Fld

mar. 3/11

1:31 pm-12:45 pm

2 stops21h 14m

Saint Thomas Island Cyril E King

mar. 3/18

11:11 am-12:36 pm

2 stops27h 25m

$343

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

dom. 4/27

10:45 pm-2:19 pm

1 stop12h 34m

San Juan Luis Munoz Marin Intl

mar. 5/6

6:35 am-6:44 pm

2 stops15h 09m

$405

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mié. 4/2

1:36 pm-5:00 am

1 stop13h 24m

San Juan Luis Munoz Marin Intl

dom. 4/6

8:16 pm-12:36 pm

2 stops18h 20m

$409

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

dom. 3/23

11:30 pm-11:44 am

1 stop10h 14m

San Juan Luis Munoz Marin Intl

sáb. 3/29

7:45 am-10:56 pm

2 stops17h 11m

$429

SpokaneNassau

GEG - NAS

GEGNAS

Spokane

sáb. 5/10

7:00 am-7:59 pm

1 stop9h 59m

Nassau Intl

sáb. 5/17

9:00 am-10:22 pm

1 stop16h 22m

$435

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

lun. 4/28

3:21 pm-10:59 am

2 stops16h 38m

San Juan Luis Munoz Marin Intl

mar. 5/6

6:20 am-9:13 pm

1 stop17h 53m

$455

SpokaneNassau

GEG - NAS

GEGNAS

Spokane

mié. 3/12

3:20 pm-10:00 am

2 stops15h 40m

Nassau Intl

mié. 3/19

11:00 am-9:13 pm

2 stops13h 13m

$495

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

mié. 3/19

5:00 am-9:22 pm

2 stops13h 22m

San Juan Luis Munoz Marin Intl

mar. 3/25

1:05 am-12:43 pm

2 stops14h 38m

$517

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

lun. 4/7

5:18 pm-10:59 am

2 stops15h 41m

San Juan Luis Munoz Marin Intl

lun. 5/5

6:20 am-9:59 pm

1 stop17h 39m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 46 results
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Best time to book a flight from Idaho to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands 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 Islands

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

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

Currently, September is the cheapest month in which you can book a flight from Idaho to Caribbean Islands (average of $254). Flying from Idaho to Caribbean Islands 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 EPX?

Find hourly flight availability from Idaho 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 febrero 20, 2025.

When flying from Idaho to Caribbean Islands, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 febrero 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Idaho to Caribbean Islands by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

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
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

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
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

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
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

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.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

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.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

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 Islands. 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 Islands one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $164. Users have also found prices from $194 and $201 on Delta and American Airlines, respectively.

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

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

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

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

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

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

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

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 Islands

Discover the top 6 airlines that operate flights from Idaho 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 febrero 20, 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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