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$203+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap 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 20, 2025.

Round-trip from

$297
(Booking.com)

One-way from

$203
(American Airlines)

Popular in

March

Cheapest in

October

Average price

$674
From Idaho to Puerto Rico
Search Deals
One-way flight from Idaho to Puerto Rico
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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Find 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 20, 2025.

This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/21:31 pmBOI - SJU
2 stops25h 03mSpirit Airlines
Sun 4/68:16 pmSJU - BOI
2 stops18h 20mSpirit Airlines
Deal found 2/20$297
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 10/2411:30 pmBOI - SJU
1 stop11h 53mDelta
Fri 10/312:28 pmSJU - BOI
1 stop10h 05mDelta
Deal found 2/19$405
This Delta deal was found by Cheapflights users on 2/20. 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.
Sun 4/2710:45 pmGEG - SJU
1 stop12h 34mDelta
Tue 5/66:35 amSJU - GEG
2 stops15h 09mDelta
Deal found 2/20$405
This Travelocity deal was found by Cheapflights users on 2/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/21:36 pmBOI - SJU
1 stop13h 24mMultiple Airlines
Sun 4/68:16 pmSJU - BOI
2 stops18h 20mMultiple Airlines
Deal found 2/20$409
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 4/283:21 pmGEG - SJU
2 stops16h 38mAmerican Airlines
Tue 5/66:20 amSJU - GEG
1 stop17h 53mAmerican Airlines
Deal found 2/19$455
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/81:32 pmBOI - SJU
1 stop12h 33mAmerican Airlines
Sat 11/158:14 amSJU - BOI
1 stop16h 04mAmerican Airlines
Deal found 2/20$483
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:00 amBOI - SJU
1 stop8h 19mUnited Airlines
Fri 11/142:05 amSJU - BOI
2 stops14h 25mUnited Airlines
Deal found 2/20$493
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/195:00 amGEG - SJU
2 stops13h 22mUnited Airlines
Tue 3/251:05 amSJU - GEG
2 stops14h 38mUnited Airlines
Deal found 2/18$517
This Southwest deal was found by Cheapflights users on 2/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:45 amGEG - SJU
2 stops15h 05mSouthwest
Mon 10/67:05 amSJU - GEG
2 stops18h 30mSouthwest
Deal found 2/19$530
This Southwest deal was found by Cheapflights users on 2/20. 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.
Wed 6/117:05 pmBOI - SJU
2 stops13h 20mSouthwest
Wed 6/251:25 pmSJU - BOI
2 stops13h 00mSouthwest
Deal found 2/20$598
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Fri 4/48:31 pmGEG - SJU
3 stops45h 25mMultiple Airlines
Wed 4/912:32 amSJU - GEG
3 stops22h 51mMultiple Airlines
Deal found 2/18$624
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/191:36 pmBOI - SJU
1 stop13h 24mAlaska Airlines
Wed 3/266:05 amSJU - BOI
1 stop17h 50mAlaska Airlines
Deal found 2/20$721

Find flights from Idaho to Puerto Rico within your budget

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 20, 2025.

Fly from

Idaho

Fly to

Puerto Rico

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 4/2

1:31 pm-4:34 pm

2 stops25h 03m

San Juan Luis Munoz Marin Intl

Sun 4/6

8:16 pm-12:36 pm

2 stops18h 20m

$297

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sun 4/27

10:45 pm-2:19 pm

1 stop12h 34m

San Juan Luis Munoz Marin Intl

Tue 5/6

6:35 am-6:44 pm

2 stops15h 09m

$405

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 4/2

1:36 pm-5:00 am

1 stop13h 24m

San Juan Luis Munoz Marin Intl

Sun 4/6

8:16 pm-12:36 pm

2 stops18h 20m

$409

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 3/23

11:30 pm-11:44 am

1 stop10h 14m

San Juan Luis Munoz Marin Intl

Sat 3/29

7:45 am-10:56 pm

2 stops17h 11m

$429

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Mon 4/28

3:21 pm-10:59 am

2 stops16h 38m

San Juan Luis Munoz Marin Intl

Tue 5/6

6:20 am-9:13 pm

1 stop17h 53m

$455

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Wed 3/19

5:00 am-9:22 pm

2 stops13h 22m

San Juan Luis Munoz Marin Intl

Tue 3/25

1:05 am-12:43 pm

2 stops14h 38m

$517

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 4/7

5:18 pm-10:59 am

2 stops15h 41m

San Juan Luis Munoz Marin Intl

Mon 5/5

6:20 am-9:59 pm

1 stop17h 39m

$528

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sat 5/17

6:40 am-11:55 pm

2 stops14h 15m

San Juan Luis Munoz Marin Intl

Sat 5/24

6:20 am-10:05 pm

2 stops18h 45m

$536

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 3/8

5:00 am-6:25 pm

1 stop10h 25m

San Juan Luis Munoz Marin Intl

Wed 3/12

1:25 pm-11:15 pm

1 stop11h 50m

$585

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 6/11

7:05 pm-10:25 am

2 stops13h 20m

San Juan Luis Munoz Marin Intl

Wed 6/25

1:25 pm-12:25 am

2 stops13h 00m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 18 results
1
2

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.

Travel insights for flights from Idaho to Puerto Rico

Get recent, data-driven insights about flights from Idaho to Puerto Rico including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Idaho to Puerto Rico (average of $254). Flying from Idaho to Puerto Rico in March is currently the most expensive (average of $363). 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 February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Puerto Rico as you normally would.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Idaho to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • What are the cheapest airlines to fly from Idaho to Puerto Rico one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $203. Alaska Airlines flights start at $325 while deals on Delta start at $404 one-way.

  • 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, September is the cheapest month in which you can book a flight from Idaho to Puerto Rico (average of $254). Flying from Idaho to Puerto Rico in March is currently the most expensive (average of $363). 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 Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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LaGuardia to Nassau flights

Top 5 airlines flying from Idaho to Puerto Rico

Discover the top 5 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$253Average$424FlexibilityNo cancel feeOn-time65%
DeltaCheapest$287Average$529FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$452Average$674FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$463Average$659FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$464Average$815FlexibilityNo cancel feeOn-time69%
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