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Cheap flights from Idaho to Caribbean Islands from $189

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Caribbean Islands departing on 3/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to Caribbean Islands

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:30 am - 5:38 pm
BOI
-
SJU
9h 08m
1 stop
United Airlines Logo
7:20 am - 10:45 pm
SJU
-
BOI
17h 25m
2 stops
$416United Airlines
Sat, May 9 - Wed, May 13
Delta Logo
10:40 pm - 1:14 pm
GEG
-
SJU
11h 34m
1 stop
Delta Logo
2:03 pm - 11:34 pm
SJU
-
GEG
12h 31m
2 stops
$424Delta
Tue, Apr 28 - Tue, May 5
Delta Logo
6:00 am - 11:15 pm
GEG
-
SJU
14h 15m
2 stops
Delta Logo
1:00 pm - 9:37 pm
SJU
-
GEG
11h 37m
1 stop
$438Delta
Wed, Mar 11 - Tue, Mar 17
American Airlines Logo
7:00 am - 9:34 pm
BOI
-
SJU
11h 34m
2 stops
American Airlines Logo
7:11 am - 10:23 pm
SJU
-
BOI
17h 12m
2 stops
$452American Airlines
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
6:34 am - 11:02 pm
GEG
-
SJU
13h 28m
2 stops
American Airlines Logo
6:45 am - 4:55 pm
SJU
-
GEG
13h 10m
1 stop
$452American Airlines
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
6:00 am - 4:32 am
GEG
-
SJU
19h 32m
1 stop
American Airlines Logo
11:59 pm - 4:55 pm
SJU
-
GEG
19h 56m
1 stop
$464American Airlines
Thu, Apr 23 - Mon, Apr 27
Southwest Logo
5:10 am - 11:40 pm
GEG
-
SJU
15h 30m
2 stops
Southwest Logo
8:10 am - 9:35 pm
SJU
-
GEG
16h 25m
2 stops
$470Southwest
Tue, May 19 - Tue, May 26
Southwest Logo
5:40 am - 7:30 pm
BOI
-
SJU
11h 50m
2 stops
Southwest Logo
8:10 am - 10:10 pm
SJU
-
BOI
16h 00m
2 stops
$481Southwest
Wed, Apr 1 - Wed, Apr 8
Air Canada Logo
7:00 am - 2:35 pm
GEG
-
BGI
27h 35m
2 stops
Air Canada Logo
4:10 pm - 9:03 pm
BGI
-
GEG
32h 53m
2 stops
$1,056Air Canada
Mon, Mar 2 - Thu, Mar 5
Air Canada Logo
7:00 am - 2:35 pm
GEG
-
BGI
27h 35m
2 stops
Air Canada Logo
4:10 pm - 9:03 pm
BGI
-
GEG
32h 53m
2 stops
$1,096Air Canada
Mon, Mar 2 - Thu, Mar 5

United Airlines flights from Idaho to Caribbean Islands

Our best United Airlines deals on Idaho to Caribbean Islands flight tickets
United Airlines
May 9
BOI6:30 amBoise Air Term. Gowen Fld
9h 08m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
May 13
SJU7:20 amSan Juan Luis Munoz Marin Intl
17h 25m
2 stops
BOI10:45 pmBoise Air Term. Gowen Fld
$416
United Airlines
Apr 28
GEG5:05 amSpokane
15h 45m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
May 4
SJU1:00 amSan Juan Luis Munoz Marin Intl
14h 39m
2 stops
GEG12:39 pmSpokane
$424
United Airlines
May 9
BOI6:30 amBoise Air Term. Gowen Fld
12h 04m
2 stops
SJU8:34 pmSan Juan Luis Munoz Marin Intl
May 12
SJU1:00 amSan Juan Luis Munoz Marin Intl
14h 27m
2 stops
BOI1:27 pmBoise Air Term. Gowen Fld
$472

Delta flights from Idaho to Caribbean Islands

Our best Delta deals on Idaho to Caribbean Islands flight tickets
Delta
Mar 11
GEG6:00 amSpokane
14h 15m
2 stops
SJU11:15 pmSan Juan Luis Munoz Marin Intl
Mar 17
SJU1:00 pmSan Juan Luis Munoz Marin Intl
11h 37m
1 stop
GEG9:37 pmSpokane
$438
Delta
Mar 11
GEG6:00 amSpokane
14h 15m
2 stops
SJU11:15 pmSan Juan Luis Munoz Marin Intl
Mar 17
SJU2:07 pmSan Juan Luis Munoz Marin Intl
12h 56m
2 stops
GEG12:03 amSpokane
$525
Delta
Mar 11
GEG10:40 pmSpokane
10h 06m
1 stop
SJU11:46 amSan Juan Luis Munoz Marin Intl
Mar 17
SJU1:00 pmSan Juan Luis Munoz Marin Intl
11h 37m
1 stop
GEG9:37 pmSpokane
$539

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from Idaho to Caribbean Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 5/9

6:30 am-5:38 pm

1 stop9h 08m

San Juan Luis Munoz Marin Intl

Wed 5/13

7:20 am-10:45 pm

2 stops17h 25m

$416

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 4/28

10:40 pm-1:14 pm

1 stop11h 34m

San Juan Luis Munoz Marin Intl

Tue 5/5

2:03 pm-11:34 pm

2 stops12h 31m

$424

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Wed 3/11

6:00 am-11:15 pm

2 stops14h 15m

San Juan Luis Munoz Marin Intl

Tue 3/17

1:00 pm-9:37 pm

1 stop11h 37m

$438

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 3/3

7:00 am-9:34 pm

2 stops11h 34m

San Juan Luis Munoz Marin Intl

Tue 3/10

7:11 am-10:23 pm

2 stops17h 12m

$452

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 4/21

6:34 am-11:02 pm

2 stops13h 28m

San Juan Luis Munoz Marin Intl

Tue 4/28

6:45 am-4:55 pm

1 stop13h 10m

$452

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Thu 4/23

6:00 am-4:32 am

1 stop19h 32m

San Juan Luis Munoz Marin Intl

Mon 4/27

11:59 pm-4:55 pm

1 stop19h 56m

$464

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 5/19

5:10 am-11:40 pm

2 stops15h 30m

San Juan Luis Munoz Marin Intl

Tue 5/26

8:10 am-9:35 pm

2 stops16h 25m

$470

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 4/1

5:40 am-7:30 pm

2 stops11h 50m

San Juan Luis Munoz Marin Intl

Wed 4/8

8:10 am-10:10 pm

2 stops16h 00m

$481

SpokaneBridgetown

GEG - BGI

GEGBGI

Spokane

Mon 3/2

7:00 am-2:35 pm

2 stops27h 35m

Bridgetown Grantley Adams Intl

Thu 3/5

4:10 pm-9:03 pm

2 stops32h 53m

$1,056

SpokaneBridgetown

GEG - BGI

GEGBGI

Spokane

Mon 3/2

7:00 am-2:35 pm

2 stops27h 35m

Bridgetown Grantley Adams Intl

Thu 3/5

4:10 pm-9:03 pm

2 stops32h 53m

$1,096

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Caribbean Islands from

How to get the cheapest flight ticket from Idaho to Caribbean Islands

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Caribbean Islands?

The month of September is, on average, the cheapest month to fly to Caribbean Islands from Idaho, with most prices found around $508. The month of January is another great option to travel to Caribbean Islands, with average flight prices from Idaho averaging around $554.

Can stopping save me money on Idaho to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between Idaho to Caribbean Islands.

Cheap Idaho to Caribbean Islands flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Caribbean Islands

Fastest flight time

7h 40m

Direct flights

None
The fastest flight from Idaho to Caribbean Islands takes 7h 40m
There are no direct flights from Idaho to Caribbean Islands. There are no popular flight routes from Idaho to Caribbean Islands.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Caribbean Islands?

    Prices for flights from Idaho to Caribbean Islands were last updated today.

  • How many operators does momondo search for flights from Idaho to Caribbean Islands?

  • How old do you have to be to fly from Idaho to Caribbean Islands?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Caribbean Islands.

  • What documentation or ID do you need to fly to Caribbean Islands?

    The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Idaho to Caribbean Islands?

Best airlines flying from Idaho to Caribbean Islands

Compare and see reviews for airlines that fly from Idaho to Caribbean Islands with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $188Free CancellationRating
7.9
8,173 reviews
Search Delta flights
United AirlinesPriceFrom $442Free CancellationRating
7.4
9,257 reviews
Search United Airlines flights
SouthwestPriceFrom $473Free CancellationRating
8.0
4,282 reviews
Search Southwest flights
American AirlinesPriceFrom $493Free CancellationRating
7.2
11,254 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Caribbean Islands?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to Caribbean Islands for you.

Can I find flights from Idaho to Caribbean Islands with flexible booking policies on momondo?

Flights from Idaho to Caribbean Islands with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho to Caribbean Islands?

momondo helps you find the best flight between Idaho and Caribbean Islands by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho to Caribbean Islands right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Caribbean Islands flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Caribbean Islands trip

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