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Puerto Rico

$348+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Mar 3 — Mar 101
Tue 3/3
Tue 3/10
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 February 1, 2026.

This Delta deal was found by Cheapflights users on 1/30. 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.
Tue 3/35:50 am
BOI
-
SJU
2 stops15h 06m
Delta
Tue 3/106:15 am
SJU
-
BOI
2 stops16h 54m
Delta
Deal found 1/30$416
This American Airlines deal was found by Cheapflights users on 1/30. 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 4/216:00 am
GEG
-
SJU
1 stop14h 01m
American Airlines
Tue 4/285:45 am
SJU
-
GEG
2 stops14h 10m
American Airlines
Deal found 1/30$424
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 3/38:05 am
BOI
-
SJU
1 stop9h 55m
United Airlines
Tue 3/107:30 am
SJU
-
BOI
2 stops15h 59m
United Airlines
Deal found 1/30$442
This Southwest deal was found by Cheapflights users on 1/31. 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.
Wed 3/116:00 am
GEG
-
SJU
2 stops15h 15m
Southwest
Tue 3/1710:10 am
SJU
-
GEG
2 stops14h 25m
Southwest
Deal found 1/31$462
This American Airlines deal was found by Cheapflights users on 1/31. 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 2/2412:25 pm
GEG
-
SJU
2 stops17h 35m
American Airlines
Tue 3/38:00 am
SJU
-
GEG
2 stops12h 54m
American Airlines
Deal found 1/31$464
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 4/256:00 am
GEG
-
SJU
1 stop14h 02m
American Airlines
Thu 4/306:45 am
SJU
-
GEG
1 stop16h 48m
American Airlines
Deal found 2/1$478
This American Airlines deal was found by Cheapflights users on 1/31. 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 3/246:00 am
GEG
-
SJU
1 stop13h 31m
American Airlines
Tue 3/316:33 am
SJU
-
GEG
1 stop13h 21m
American Airlines
Deal found 1/31$484
This Southwest deal was found by Cheapflights users on 1/30. 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.
Tue 3/245:40 am
BOI
-
SJU
2 stops11h 50m
Southwest
Tue 3/316:40 am
SJU
-
BOI
2 stops17h 40m
Southwest
Deal found 1/30$499
This Southwest deal was found by Cheapflights users on 1/31. 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 2/276:30 am
GEG
-
SJU
2 stops15h 05m
Southwest
Fri 3/68:00 am
SJU
-
GEG
2 stops18h 10m
Southwest
Deal found 1/31$499
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Mon 3/26:25 am
BOI
-
SJU
1 stop9h 00m
United Airlines
Wed 3/48:30 am
SJU
-
BOI
2 stops16h 02m
United Airlines
Deal found 1/29$506
This Delta deal was found by Cheapflights users on 1/30. 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.
Sun 3/17:15 pm
BOI
-
SJU
2 stops14h 50m
Delta
Sat 3/77:30 am
SJU
-
BOI
2 stops16h 25m
Delta
Deal found 1/30$511
This Southwest deal was found by Cheapflights users on 1/30. 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.
Mon 3/307:05 am
BOI
-
SJU
2 stops11h 00m
Southwest
Tue 3/316:40 am
SJU
-
BOI
2 stops17h 40m
Southwest
Deal found 1/30$512

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 February 1, 2026.

Round-trip from

$416
(Southwest)

One-way from

$348
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$560
From Idaho to Puerto Rico
Search Deals
One-way flight from Idaho to Puerto Rico
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($11 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 February 2026
Search Deals

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 February 1, 2026.
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 3/3

5:50 am-11:56 pm

2 stops15h 06m

San Juan Luis Munoz Marin Intl

Tue 3/10

6:15 am-9:09 pm

2 stops16h 54m

$416

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 3/3

7:45 am-11:10 pm

2 stops12h 25m

San Juan Luis Munoz Marin Intl

Tue 3/10

6:40 am-10:20 pm

2 stops17h 40m

$416

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 4/28

1:33 pm-10:48 am

2 stops18h 15m

San Juan Luis Munoz Marin Intl

Tue 5/5

5:45 am-4:55 pm

2 stops14h 10m

$424

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 2/24

5:00 am-12:36 am

2 stops15h 36m

San Juan Luis Munoz Marin Intl

Tue 3/3

2:25 pm-9:17 pm

1 stop10h 52m

$424

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sat 4/25

6:00 am-11:12 pm

2 stops14h 12m

San Juan Luis Munoz Marin Intl

Thu 4/30

7:30 am-9:05 pm

2 stops16h 35m

$424

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 4/21

6:00 am-11:01 pm

1 stop14h 01m

San Juan Luis Munoz Marin Intl

Tue 4/28

6:47 am-4:55 pm

1 stop13h 08m

$424

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 4/14

6:45 am-11:01 pm

2 stops13h 16m

San Juan Luis Munoz Marin Intl

Fri 4/24

11:59 pm-2:19 pm

2 stops17h 20m

$424

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 3/3

8:05 am-9:00 pm

1 stop9h 55m

San Juan Luis Munoz Marin Intl

Tue 3/10

7:30 am-9:29 pm

2 stops15h 59m

$442

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Wed 3/11

6:00 am-12:15 am

2 stops15h 15m

San Juan Luis Munoz Marin Intl

Tue 3/17

10:10 am-9:35 pm

2 stops14h 25m

$462

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 3/24

6:00 am-10:31 pm

1 stop13h 31m

San Juan Luis Munoz Marin Intl

Tue 3/31

6:33 am-4:54 pm

1 stop13h 21m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 18 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 $220). Flying from Idaho to Puerto Rico in August is currently the most expensive (average of $501). 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.

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 $416, Delta can have you in Puerto Rico from Idaho in 12h 25m. 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 $220). Flying from Idaho to Puerto Rico in August is currently the most expensive (average of $501). 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
LaGuardia to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santiago de los Caballeros flights
O'Hare Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Punta Cana flights
Dulles Intl to Luis Munoz Marin Intl flights
Boston to Luis Munoz Marin Intl flights
Newark to Santiago de los Caballeros flights
Newark to Punta Cana flights
Reagan-National to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santo Domingo flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Newark to Santo Domingo flights
John F Kennedy Intl to Oranjestad flights
Newark to Oranjestad flights
Philadelphia to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
Baltimore to Luis Munoz Marin Intl flights
Atlanta to Luis Munoz Marin Intl flights
Fort Lauderdale to Luis Munoz Marin Intl flights
John F Kennedy Intl to Montego Bay flights
Boston to Oranjestad flights
Newark to Nassau flights
John F Kennedy Intl to Nassau flights
Orlando to Luis Munoz Marin Intl flights
Raleigh to Luis Munoz Marin Intl flights
Minneapolis to Luis Munoz Marin Intl flights
LaGuardia to Punta Cana flights
Boston to Punta Cana flights
Newark to Simpson Bay flights
Newark to Montego Bay flights
Hobby to Luis Munoz Marin Intl flights
Dulles Intl to Punta Cana flights
Tampa to Luis Munoz Marin Intl flights
Detroit to Luis Munoz Marin Intl flights
LaGuardia to Nassau flights
John F Kennedy Intl to Providenciales flights
Newark to Saint Thomas Island flights
John F Kennedy Intl to Simpson Bay flights
Midway to Luis Munoz Marin Intl flights
O'Hare Intl to Punta Cana flights
George Bush Intcntl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Port of Spain flights
Atlanta to Punta Cana flights
LaGuardia to Oranjestad flights
LaGuardia to Santo Domingo flights
LaGuardia to Santiago de los Caballeros flights
Atlanta to Montego Bay flights
John F Kennedy Intl to Saint Thomas Island 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 February 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$560FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$442Average$886FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$480Average$641FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$499Average$665FlexibilityNo cancel feeOn-time71%

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