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Caribbean

$182+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
jul. 26 — ago. 21
sáb. 7/26
sáb. 8/2
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 julio 21, 2025.

Round-trip from

$366
(Booking.com)

One-way from

$182
(Delta)

Popular in

December

Cheapest in

October

Average price

$658
From Idaho to Caribbean
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One-way flight from Idaho to Caribbean
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Highest demand for flights based on searches. 5% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 21, 2025.

This Booking.com deal was found by Cheapflights users on 7/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/212:16 pmBOI - SJU
2 stops18h 48mSpirit Airlines
dom. 9/282:48 pmSJU - BOI
2 stops31h 33mSpirit Airlines
Deal found 7/21$366
This Delta deal was found by Cheapflights users on 7/19. 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. 10/315:40 amBOI - SJU
2 stops14h 41mDelta
sáb. 11/157:00 amSJU - BOI
2 stops12h 52mDelta
Deal found 7/19$375
This American Airlines deal was found by Cheapflights users on 7/19. 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.
sáb. 9/61:57 pmBOI - SJU
2 stops19h 14mAmerican Airlines
sáb. 9/136:10 amSJU - BOI
2 stops17h 38mAmerican Airlines
Deal found 7/19$415
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/97:50 amBOI - SJU
2 stops9h 55mSouthwest
jue. 9/185:00 amSJU - BOI
2 stops12h 50mSouthwest
Deal found 7/20$421
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/77:21 pmGEG - SJU
2 stops14h 54mDelta
sáb. 12/134:30 pmSJU - GEG
1 stop10h 40mDelta
Deal found 7/21$463
This Mytrip deal was found by Cheapflights users on 7/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/173:46 pmGEG - SJU
3 stops21h 35mMultiple Airlines
sáb. 8/232:11 amSJU - GEG
3 stops36h 24mMultiple Airlines
Deal found 7/20$473
This Delta deal was found by Cheapflights users on 7/20. 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.
mié. 9/310:45 amBOI - NAS
2 stops22h 43mDelta
mié. 9/101:13 pmNAS - BOI
2 stops12h 45mDelta
Deal found 7/20$475
This United Airlines deal was found by Cheapflights users on 7/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1712:39 pmBOI - SJU
1 stop9h 15mUnited Airlines
mié. 8/201:05 amSJU - BOI
2 stops14h 25mUnited Airlines
Deal found 7/19$483
This United Airlines deal was found by Cheapflights users on 7/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/55:10 amGEG - SJU
2 stops13h 12mUnited Airlines
mar. 11/182:05 amSJU - GEG
2 stops17h 16mUnited Airlines
Deal found 7/19$501
This Delta deal was found by Cheapflights users on 7/19. 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.
mié. 9/312:45 pmBOI - PUJ
2 stops21h 40mDelta
mié. 9/103:59 pmPUJ - BOI
2 stops23h 24mDelta
Deal found 7/19$527
This Delta deal was found by Cheapflights users on 7/20. 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.
mar. 11/411:15 amGEG - MBJ
2 stops22h 23mDelta
mar. 11/113:32 pmMBJ - GEG
2 stops20h 06mDelta
Deal found 7/20$543
This Mytrip deal was found by Cheapflights users on 7/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/42:16 pmBOI - MBJ
2 stops18h 31mSpirit Airlines
jue. 9/1112:10 pmMBJ - BOI
3 stops33h 11mSpirit Airlines
Deal found 7/20$553

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 julio 21, 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

dom. 9/21

2:16 pm-11:04 am

2 stops18h 48m

San Juan Luis Munoz Marin Intl

dom. 9/28

2:48 pm-8:21 pm

2 stops31h 33m

$366

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

lun. 1/12

7:21 pm-4:51 pm

2 stops17h 30m

San Juan Luis Munoz Marin Intl

vie. 1/16

6:15 am-9:03 pm

2 stops18h 48m

$411

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

sáb. 9/6

1:57 pm-11:11 am

2 stops19h 14m

San Juan Luis Munoz Marin Intl

sáb. 9/13

6:10 am-9:48 pm

2 stops17h 38m

$415

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mar. 9/9

7:50 am-7:45 pm

2 stops9h 55m

San Juan Luis Munoz Marin Intl

jue. 9/18

5:00 am-3:50 pm

2 stops12h 50m

$421

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

sáb. 9/6

6:00 pm-12:18 pm

2 stops16h 18m

San Juan Luis Munoz Marin Intl

sáb. 9/13

2:26 pm-11:59 pm

2 stops11h 33m

$443

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

dom. 8/17

3:46 pm-4:21 pm

3 stops21h 35m

San Juan Luis Munoz Marin Intl

sáb. 8/23

2:11 am-11:35 am

3 stops36h 24m

$473

BoiseNassau

BOI - NAS

BOINAS

Boise Air Term. Gowen Fld

mié. 9/3

10:45 am-11:28 am

2 stops22h 43m

Nassau Intl

mié. 9/10

1:13 pm-11:58 pm

2 stops12h 45m

$475

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

dom. 8/17

12:39 pm-11:54 pm

1 stop9h 15m

San Juan Luis Munoz Marin Intl

mié. 8/20

1:05 am-1:30 pm

2 stops14h 25m

$483

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

lun. 1/12

5:00 am-6:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

jue. 1/15

2:05 am-3:19 pm

2 stops17h 14m

$495

BoisePunta Cana

BOI - PUJ

BOIPUJ

Boise Air Term. Gowen Fld

mié. 9/3

12:45 pm-12:25 pm

2 stops21h 40m

Punta Cana

mié. 9/10

3:59 pm-1:23 pm

2 stops23h 24m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 38 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 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 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 julio 21, 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.

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 julio 21, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Idaho to Caribbean. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,232 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,962 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 $182. Users have also found prices from $246 and $398 on American Airlines and Southwest, 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 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.

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 julio 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$253Average$415FlexibilityNo cancel feeOn-time65%
DeltaCheapest$384Average$684FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$435Average$736FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$475Average$1,133FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$501Average$733FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$761FlexibilityNo cancel feeOn-time71%

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