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Puerto Rico

$147+ Cheap flights from Idaho to Puerto Rico

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Idaho to Puerto Rico

Cheapest flights from Idaho to Puerto Rico
Explore the most affordable flight options available from Idaho to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/9. 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 12/115:25 pmBOI - SJU
2 stops15h 34mAmerican Airlines
Sat 12/206:44 amSJU - BOI
1 stop18h 18mAmerican Airlines
Deal found 12/9$730
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/125:17 amGEG - SJU
1 stop12h 08mAmerican Airlines
Sun 12/216:00 amSJU - GEG
1 stop19h 43mAmerican Airlines
Deal found 12/11$730
This Southwest deal was found by Cheapflights users on 12/9. 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.
Fri 12/126:25 amGEG - SJU
2 stops14h 10mSouthwest
Sun 12/143:30 pmSJU - GEG
2 stops12h 25mSouthwest
Deal found 12/9$765
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/125:25 amGEG - SJU
1 stop9h 00mUnited Airlines
Wed 12/2410:15 amSJU - GEG
2 stops14h 43mUnited Airlines
Deal found 12/10$825
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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.
Tue 12/2312:58 pmGEG - SJU
1 stop12h 02mAlaska Airlines
Tue 12/301:30 amSJU - GEG
2 stops25h 36mAlaska Airlines
Deal found 12/10$828
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/236:47 amGEG - SJU
1 stop18h 13mAmerican Airlines
Tue 12/301:30 amSJU - GEG
1 stop21h 05mAmerican Airlines
Deal found 12/10$865
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/117:45 pmBOI - SJU
2 stops15h 02mDelta
Sat 12/204:45 pmSJU - BOI
1 stop10h 08mDelta
Deal found 12/11$987
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/124:10 pmGEG - SJU
2 stops20h 26mUnited Airlines
Sun 12/217:45 amSJU - GEG
2 stops17h 13mUnited Airlines
Deal found 12/11$1,020
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/115:25 pmBOI - SJU
1 stop22h 00mUnited Airlines
Sat 12/202:25 pmSJU - BOI
1 stop11h 15mUnited Airlines
Deal found 12/11$1,038
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/252:40 pmBOI - SJU
2 stops12h 31mUnited Airlines
Mon 12/293:46 pmSJU - BOI
2 stops24h 50mUnited Airlines
Deal found 12/10$1,060
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/257:00 amBOI - SJU
1 stop11h 23mAmerican Airlines
Mon 12/297:00 amSJU - BOI
1 stop18h 02mAmerican Airlines
Deal found 12/10$1,081
This Delta deal was found by Cheapflights users on 12/10. 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 12/195:20 amBOI - SJU
2 stops15h 39mDelta
Sat 12/274:45 pmSJU - BOI
1 stop10h 08mDelta
Deal found 12/10$1,347

Find flight deals from Idaho to Puerto Rico

Keep the following information in mind while searching for Idaho to Puerto Rico flight deals. Data was last updated December 12, 2025.

Round-trip from

$395
(Southwest)

One-way from

$147
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$618
From Idaho to Puerto Rico
Search Deals
One-way flight from Idaho to Puerto Rico
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Puerto Rico 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 December 12, 2025.
Use the filters below to find and compare flights from Idaho to Puerto Rico that are best for you.

Fly from

Idaho

Fly to

Puerto Rico

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 2/3

7:45 am-12:35 am

2 stops13h 50m

San Juan Luis Munoz Marin Intl

Tue 2/10

12:10 pm-10:30 pm

2 stops13h 20m

$395

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 2/2

6:20 pm-1:05 pm

2 stops15h 45m

San Juan Luis Munoz Marin Intl

Fri 2/6

7:30 am-11:59 pm

2 stops19h 29m

$405

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 2/2

7:45 am-11:10 pm

2 stops12h 25m

San Juan Luis Munoz Marin Intl

Fri 2/6

5:35 am-3:50 pm

2 stops13h 15m

$405

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 2/2

7:20 am-10:26 pm

1 stop12h 06m

San Juan Luis Munoz Marin Intl

Fri 2/6

7:07 am-7:25 pm

1 stop15h 18m

$431

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 3/7

4:25 pm-8:55 am

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Wed 3/11

6:40 am-10:20 pm

2 stops17h 40m

$431

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 4/21

6:00 am-9:05 pm

2 stops13h 05m

San Juan Luis Munoz Marin Intl

Sat 4/25

6:25 am-4:15 pm

2 stops11h 50m

$441

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Thu 2/26

5:00 am-1:05 am

2 stops16h 05m

San Juan Luis Munoz Marin Intl

Tue 3/3

10:20 am-9:40 pm

2 stops15h 20m

$441

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 1/13

5:00 am-9:00 pm

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Thu 2/26

8:35 am-9:17 pm

2 stops16h 42m

$468

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 3/7

1:36 pm-9:00 am

2 stops16h 24m

San Juan Luis Munoz Marin Intl

Tue 3/10

1:30 am-12:48 pm

1 stop13h 18m

$470

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Thu 2/19

5:51 am-11:32 pm

1 stop13h 41m

San Juan Luis Munoz Marin Intl

Tue 3/3

7:30 am-4:42 pm

2 stops13h 12m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 30 results
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Best time to book a flight from Idaho to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico

What is the cheapest month to book a flight from Idaho to Puerto Rico?

Currently, June is the cheapest month in which you can book a flight from Idaho to Puerto Rico (average of $217). Flying from Idaho to Puerto Rico in July is currently the most expensive (average of $504). 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 PR?

Find hourly flight availability from Idaho to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Idaho to Puerto Rico in the evening. Doing so could potentially save you 51% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to Puerto Rico?

    For as low as $431, Southwest can have you in Puerto Rico from Idaho in 12h 06m. Idaho and Puerto Rico are separated by a distance of 3374 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Idaho to Puerto Rico that include hotel bookings?

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

  • How can I find direct flights from Idaho to Puerto Rico?

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

  • Can I find deals for business class flights from Idaho to Puerto Rico?

    Yes. Cheapflights offers flight deals from Idaho to Puerto Rico 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 Puerto Rico?

    Currently, June is the cheapest month in which you can book a flight from Idaho to Puerto Rico (average of $217). Flying from Idaho to Puerto Rico in July is currently the most expensive (average of $504). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Luis Munoz Marin Intl flights
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santo Domingo flights
John F Kennedy Intl to Santiago de los Caballeros flights
John F Kennedy Intl to Punta Cana flights
Newark to Santo Domingo flights
LaGuardia to Luis Munoz Marin Intl flights
Philadelphia to Luis Munoz Marin Intl flights
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Boston to Luis Munoz Marin Intl flights
Newark to Santiago de los Caballeros flights
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Reagan-National to Luis Munoz Marin Intl flights
O'Hare Intl to Punta Cana flights
LaGuardia to Punta Cana flights
Newark to Oranjestad flights
John F Kennedy Intl to Oranjestad flights
Hartford to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Atlanta to Luis Munoz Marin Intl flights
John F Kennedy Intl to Montego Bay flights
LaGuardia to Santo Domingo flights
Tampa to Luis Munoz Marin Intl flights
Minneapolis to Luis Munoz Marin Intl flights
Miami to Santo Domingo flights
Boston to Oranjestad flights
Orlando to Punta Cana flights
Boston to Santo Domingo flights
John F Kennedy Intl to Port of Spain flights
Dulles Intl to Punta Cana flights
John F Kennedy Intl to Saint Thomas Island flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Miami to Punta Cana flights
Newark to Nassau flights
Fort Lauderdale to Santo Domingo flights
Newark to Montego Bay flights
Newark to Simpson Bay flights
Raleigh to Luis Munoz Marin Intl flights
Detroit to Luis Munoz Marin Intl flights
John F Kennedy Intl to Simpson Bay flights
Boston to Punta Cana flights
John F Kennedy Intl to Nassau flights
Fort Lauderdale to Punta Cana flights
Midway to Luis Munoz Marin Intl flights
John F Kennedy Intl to Kingston flights
Baltimore to Punta Cana flights
LaGuardia to Oranjestad flights

Top 4 airlines flying from Idaho to Puerto Rico

Discover the top 4 airlines that operate flights from Idaho to Puerto Rico. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$565FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$449Average$914FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$463Average$629FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$665FlexibilityNo cancel feeOn-time71%

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