What is the cheapest airline that flies from Idaho to Caribbean Islands?

American Airlines, Southwest, and Delta are the most popular carriers operating from Idaho to Caribbean Islands

What airlines fly to Caribbean Islands?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Caribbean Islands from Idaho according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 4 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.

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?

As of August 2026, there are 4 operators available to choose from 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.

$177 Cheap Flights from Idaho to Caribbean Islands in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Caribbean Islands

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 12:36 amGEG Spokane-SJU San Juan Luis Munoz Marin Intl

15h 36m2 stops Denver Intl Newark

8:10 am - 11:38 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

19h 28m2 stops Washington, D.C. Dulles Intl San Francisco

$354United Airlines

Wed, Jan 20 - Wed, Jan 27

5:00 am - 5:38 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

9h 38m1 stop Denver Intl

1:00 am - 12:36 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

14h 36m2 stops Newark Denver Intl

$394United Airlines

Fri, Oct 2 - Sun, Oct 4

2:41 pm - 10:48 amBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

17h 07m2 stops Dallas/Fort Worth Miami

6:00 am - 2:33 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

11h 33m1 stop Chicago O'Hare Intl

$446American Airlines

Fri, Jan 29 - Sat, Feb 6

2:41 pm - 10:48 amBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

17h 07m2 stops Dallas/Fort Worth Miami

6:00 am - 2:33 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

11h 33m1 stop Chicago O'Hare Intl

$446American Airlines

Fri, Jan 29 - Sat, Feb 6

1:13 pm - 12:25 pmBOI Boise Air Term. Gowen Fld-MBJ Montego Bay Sangster Intl

21h 12m2 stops Salt Lake City New York John F Kennedy Intl

1:50 pm - 9:57 amMBJ Montego Bay Sangster Intl-BOI Boise Air Term. Gowen Fld

22h 07m2 stops New York John F Kennedy Intl Seattle/Tacoma Intl

$457Delta

Sat, Dec 5 - Sat, Dec 12

11:10 pm - 3:27 pmBOI Boise Air Term. Gowen Fld-MBJ Montego Bay Sangster Intl

15h 17m1 stop Atlanta Hartsfield-Jackson

1:16 pm - 11:27 amMBJ Montego Bay Sangster Intl-BOI Boise Air Term. Gowen Fld

23h 11m2 stops Atlanta Hartsfield-Jackson Seattle/Tacoma Intl

$457Delta

Sun, Oct 11 - Sat, Oct 17

6:25 am - 10:05 pmBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

13h 40m2 stops San Diego Orlando

1:20 pm - 11:15 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

11h 55m2 stops Tampa Denver Intl

$496Southwest

Tue, Sep 15 - Tue, Sep 22

6:25 am - 10:05 pmBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

13h 40m2 stops San Diego Orlando

1:20 pm - 11:15 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

11h 55m2 stops Tampa Denver Intl

$496Southwest

Tue, Sep 15 - Tue, Sep 22

7:00 am - 12:16 amBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

14h 16m1 stop Dallas/Fort Worth

6:50 am - 10:32 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

18h 42m1 stop Dallas/Fort Worth

$678Alaska Airlines

Fri, Jan 29 - Sat, Feb 6

7:00 am - 12:16 amBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

14h 16m1 stop Dallas/Fort Worth

6:50 am - 9:30 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

17h 40m1 stop Dallas/Fort Worth

$708Alaska Airlines

Thu, Feb 4 - Mon, Feb 15

Cheap last minute flights

Enter your travel dates to find the best prices.

12:44 pm - 9:43 amGEG Spokane-SJU San Juan Luis Munoz Marin Intl

17h 59m2 stops Dallas/Fort Worth Miami

6:00 am - 8:42 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

17h 42m2 stops Miami Dallas/Fort Worth

$662American Airlines

Sat, Aug 22 - Sat, Aug 29

12:44 pm - 9:43 amGEG Spokane-SJU San Juan Luis Munoz Marin Intl

17h 59m2 stops Dallas/Fort Worth Miami

12:55 am - 1:37 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

15h 42m1 stop Chicago O'Hare Intl

$662American Airlines

Sat, Aug 22 - Fri, Aug 28

12:44 pm - 9:43 amGEG Spokane-SJU San Juan Luis Munoz Marin Intl

17h 59m2 stops Dallas/Fort Worth Miami

12:55 am - 1:37 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

15h 42m1 stop Chicago O'Hare Intl

$669American Airlines

Sat, Aug 22 - Fri, Aug 28

12:44 pm - 9:43 amGEG Spokane-SJU San Juan Luis Munoz Marin Intl

17h 59m2 stops Dallas/Fort Worth Miami

6:00 am - 8:42 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

17h 42m2 stops Miami Dallas/Fort Worth

$669American Airlines

Sat, Aug 22 - Sat, Aug 29

5:00 am - 5:38 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

9h 38m1 stop Denver Intl

2:00 pm - 8:46 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

9h 46m1 stop Denver Intl

$679United Airlines

Sat, Aug 22 - Sat, Aug 29

5:00 am - 5:38 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

9h 38m1 stop Denver Intl

2:00 pm - 8:46 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

9h 46m1 stop Denver Intl

$724United Airlines

Sat, Aug 22 - Sat, Aug 29

11:11 am - 3:20 pmGEG Spokane-AUA Oranjestad Reina Beatrix

25h 09m1 stop Chicago O'Hare Intl

4:30 pm - 12:35 pmAUA Oranjestad Reina Beatrix-GEG Spokane

23h 05m2 stops Washington, D.C. Dulles Intl Denver Intl

$1,136United Airlines

Sat, Aug 22 - Sat, Aug 29

5:12 am - 10:54 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

14h 42m2 stops Portland Chicago O'Hare Intl

12:55 am - 4:20 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

18h 25m3 stops Chicago O'Hare Intl San Diego Boise Air Term. Gowen Fld

$1,256Alaska Airlines

Sat, Aug 22 - Fri, Aug 28

3:44 pm - 11:15 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

28h 31m3 stops Seattle/Tacoma Intl San Diego Chicago O'Hare Intl

12:55 am - 5:41 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

19h 46m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$1,270Alaska Airlines

Sat, Aug 22 - Fri, Aug 28

3:44 pm - 11:15 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

28h 31m3 stops Seattle/Tacoma Intl Santa Ana J. Wayne/Orange Cnty Chicago O'Hare Intl

3:44 pm - 11:52 amSJU San Juan Luis Munoz Marin Intl-GEG Spokane

23h 08m3 stops Dallas/Fort Worth San Jose Portland

$2,851Alaska Airlines

Sat, Aug 22 - Sat, Aug 29

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United Airlines flights from Idaho to Caribbean Islands

Our best United Airlines deals on Idaho to Caribbean Islands flight tickets

United Airlines

Jan 20

GEG5:00 amSpokane

15h 36m

2 stops

SJU12:36 amSan Juan Luis Munoz Marin Intl

Jan 27

SJU8:10 amSan Juan Luis Munoz Marin Intl

19h 28m

2 stops

GEG11:38 pmSpokane

$354

United Airlines

Oct 2

GEG5:00 amSpokane

9h 38m

1 stop

SJU5:38 pmSan Juan Luis Munoz Marin Intl

Oct 4

SJU1:00 amSan Juan Luis Munoz Marin Intl

14h 36m

2 stops

GEG12:36 pmSpokane

$394

United Airlines

Sep 19

GEG1:09 pmSpokane

20h 34m

2 stops

MBJ11:43 amMontego Bay Sangster Intl

Sep 26

MBJ12:52 pmMontego Bay Sangster Intl

9h 57m

1 stop

GEG8:49 pmSpokane

$452

Southwest flights from Idaho to Caribbean Islands

Our best Southwest deals on Idaho to Caribbean Islands flight tickets

Southwest

Sep 15

BOI6:25 amBoise Air Term. Gowen Fld

13h 40m

2 stops

SJU10:05 pmSan Juan Luis Munoz Marin Intl

Sep 22

SJU1:20 pmSan Juan Luis Munoz Marin Intl

11h 55m

2 stops

BOI11:15 pmBoise Air Term. Gowen Fld

$496

Southwest

Jan 25

BOI8:15 amBoise Air Term. Gowen Fld

10h 45m

2 stops

SJU10:00 pmSan Juan Luis Munoz Marin Intl

Feb 7

SJU6:10 amSan Juan Luis Munoz Marin Intl

13h 15m

2 stops

BOI4:25 pmBoise Air Term. Gowen Fld

$517

Southwest

Sep 13

BOI5:40 pmBoise Air Term. Gowen Fld

15h 15m

2 stops

SJU10:55 amSan Juan Luis Munoz Marin Intl

Sep 18

SJU5:30 amSan Juan Luis Munoz Marin Intl

12h 45m

2 stops

BOI4:15 pmBoise Air Term. Gowen Fld

$541

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneSan Juan

GEG Spokane - SJU San Juan Luis Munoz Marin Intl

GEGSJU

Spokane

Wed 1/20

5:00 am-12:36 am

2 stops15h 36m

San Juan Luis Munoz Marin Intl

Wed 1/27

8:10 am-11:38 pm

2 stops19h 28m

$354

Quickest round-trip

SpokaneSan Juan

GEG Spokane - SJU San Juan Luis Munoz Marin Intl

GEGSJU

Spokane

Fri 10/2

5:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Sun 10/4

1:00 am-12:36 pm

2 stops14h 36m

$394

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Fri 1/29

2:41 pm-10:48 am

2 stops17h 07m

San Juan Luis Munoz Marin Intl

Sat 2/6

6:00 am-2:33 pm

1 stop11h 33m

$446

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Fri 1/29

2:41 pm-10:48 am

2 stops17h 07m

San Juan Luis Munoz Marin Intl

Sat 2/6

6:00 am-2:33 pm

1 stop11h 33m

$446

BoiseMontego Bay

BOI Boise Air Term. Gowen Fld - MBJ Montego Bay Sangster Intl

BOIMBJ

Boise Air Term. Gowen Fld

Sat 12/5

1:13 pm-12:25 pm

2 stops21h 12m

Montego Bay Sangster Intl

Sat 12/12

1:50 pm-9:57 am

2 stops22h 07m

$457

BoiseMontego Bay

BOI Boise Air Term. Gowen Fld - MBJ Montego Bay Sangster Intl

BOIMBJ

Boise Air Term. Gowen Fld

Sun 10/11

11:10 pm-3:27 pm

1 stop15h 17m

Montego Bay Sangster Intl

Sat 10/17

1:16 pm-11:27 am

2 stops23h 11m

$457

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Tue 9/15

6:25 am-10:05 pm

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Tue 9/22

1:20 pm-11:15 pm

2 stops11h 55m

$496

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Tue 9/15

6:25 am-10:05 pm

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Tue 9/22

1:20 pm-11:15 pm

2 stops11h 55m

$496

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Fri 1/29

7:00 am-12:16 am

1 stop14h 16m

San Juan Luis Munoz Marin Intl

Sat 2/6

6:50 am-10:32 pm

1 stop18h 42m

$678

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Thu 2/4

7:00 am-12:16 am

1 stop14h 16m

San Juan Luis Munoz Marin Intl

Mon 2/15

6:50 am-9:30 pm

1 stop17h 40m

$708

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $699. The month of October is another great option to travel to Caribbean Islands, with average flight prices from Idaho averaging around $736.

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

Best Price Found	$177
Fastest flight time	9h 13m
Direct flights	None

The best one-way flight to Caribbean Islands from Idaho in the past 72 hours is $177. The best round-trip flight deal from Idaho to Caribbean Islands found on momondo in the last 72 hours is $354.

The fastest flight from Idaho to Caribbean Islands takes 9h 13m

There are no direct flights from Idaho to Caribbean Islands. There are no popular flight routes from Idaho to Caribbean Islands.

Search flight deals

Frequently asked questions about flying from Idaho to Caribbean Islands

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?
As of August 2026, there are 4 operators available to choose from 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?
Based on momondo bookings for flights between Idaho and Caribbean Islands, the leading plane model is Embraer 175 (Enhanced Winglets), making up 14.83% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 14.77%, Boeing 737 MAX 8 with 11.49%, and Boeing 737-800 with 10.75%.

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
Delta	PriceFrom $219	Free Cancellation	Rating 7.8 8,513 reviews	Search Delta flights
American Airlines	PriceFrom $401	Free Cancellation	Rating 7.1 11,979 reviews	Search American Airlines flights
United Airlines	PriceFrom $429	Free Cancellation	Rating 7.4 10,105 reviews	Search United Airlines flights
Southwest	PriceFrom $473	Free Cancellation	Rating 8.0 4,215 reviews	Search Southwest 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.