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Puerto Rico

$179+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
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 junio 18, 2025.

Round-trip from

$415
(Delta)

One-way from

$179
(FlightHub)

Popular in

December

Cheapest in

October

Average price

$715
From Idaho to Puerto Rico
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One-way flight from Idaho to Puerto Rico
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Highest demand for flights based on searches. 6% potential increase in price ($48 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).
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Average for round-trip flights in June 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 junio 18, 2025.

This Delta deal was found by Cheapflights users on 6/17. 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.
sáb. 9/66:00 amBOI - SJU
2 stops14h 07mDelta
sáb. 9/132:15 pmSJU - BOI
2 stops11h 23mDelta
Deal found 6/17$415
This Delta deal was found by Cheapflights users on 6/17. 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.
lun. 11/177:21 pmGEG - SJU
2 stops13h 37mDelta
lun. 11/247:00 amSJU - GEG
2 stops18h 04mDelta
Deal found 6/17$425
This Mytrip deal was found by Cheapflights users on 6/16. 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.
lun. 8/2512:25 pmGEG - SJU
2 stops22h 24mMultiple Airlines
jue. 8/284:12 pmSJU - GEG
2 stops22h 23mMultiple Airlines
Deal found 6/16$451
This American Airlines deal was found by Cheapflights users on 6/16. 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.
mar. 8/266:00 amGEG - SJU
2 stops14h 59mAmerican Airlines
mar. 9/27:05 pmSJU - GEG
2 stops19h 40mAmerican Airlines
Deal found 6/16$463
This United Airlines deal was found by Cheapflights users on 6/16. 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.
mar. 7/155:00 amBOI - SJU
1 stop10h 30mUnited Airlines
mar. 7/151:10 amSJU - BOI
2 stops14h 19mUnited Airlines
Deal found 6/16$484
This Southwest deal was found by Cheapflights users on 6/16. 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.
mar. 7/1510:20 amBOI - SJU
2 stops11h 35mSouthwest
mié. 7/161:25 pmSJU - BOI
2 stops12h 15mSouthwest
Deal found 6/16$495
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/121:32 pmBOI - SJU
1 stop12h 33mAmerican Airlines
sáb. 11/158:14 amSJU - BOI
1 stop16h 04mAmerican Airlines
Deal found 6/18$508
This FlightHub deal was found by Cheapflights users on 6/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/217:48 pmBOI - SJU
2 stops24h 02mSpirit Airlines
jue. 7/311:37 amSJU - BOI
2 stops19h 15mSpirit Airlines
Deal found 6/18$525
This Southwest deal was found by Cheapflights users on 6/17. 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.
dom. 9/146:15 amGEG - SJU
2 stops15h 30mSouthwest
dom. 9/215:45 amSJU - GEG
2 stops13h 50mSouthwest
Deal found 6/17$547
This United Airlines deal was found by Cheapflights users on 6/17. 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.
lun. 11/175:10 amGEG - SJU
1 stop9h 15mUnited Airlines
lun. 11/242:25 pmSJU - GEG
1 stop10h 20mUnited Airlines
Deal found 6/17$620
This Mytrip deal was found by Cheapflights users on 6/17. 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.
mié. 7/21:24 pmBOI - SJU
3 stops26h 23mMultiple Airlines
dom. 7/611:44 amSJU - BOI
2 stops23h 04mMultiple Airlines
Deal found 6/17$656
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
sáb. 10/1812:34 pmGEG - SJU
2 stops22h 11mAlaska Airlines
dom. 10/263:37 pmSJU - GEG
3 stops23h 01mAlaska Airlines
Deal found 6/16$780

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 junio 18, 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

sáb. 9/6

6:00 am-10:07 pm

2 stops14h 07m

San Juan Luis Munoz Marin Intl

sáb. 9/13

2:15 pm-11:38 pm

2 stops11h 23m

$415

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

lun. 7/21

7:48 pm-9:50 pm

2 stops24h 02m

San Juan Luis Munoz Marin Intl

jue. 7/31

1:37 am-6:52 pm

2 stops19h 15m

$425

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

lun. 8/25

12:25 pm-1:49 pm

2 stops22h 24m

San Juan Luis Munoz Marin Intl

jue. 8/28

4:12 pm-11:35 am

2 stops22h 23m

$451

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

mar. 8/26

6:00 am-11:59 pm

2 stops14h 59m

San Juan Luis Munoz Marin Intl

mar. 9/2

7:05 pm-11:45 am

2 stops19h 40m

$463

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mar. 7/15

5:00 am-5:30 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

mar. 7/15

1:10 am-1:29 pm

2 stops14h 19m

$484

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mar. 7/15

10:20 am-11:55 pm

2 stops11h 35m

San Juan Luis Munoz Marin Intl

mié. 7/16

1:25 pm-11:40 pm

2 stops12h 15m

$495

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

sáb. 8/2

3:35 pm-5:06 am

1 stop11h 31m

San Juan Luis Munoz Marin Intl

sáb. 8/9

7:05 pm-12:46 pm

2 stops19h 41m

$508

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

dom. 9/14

6:15 am-12:45 am

2 stops15h 30m

San Juan Luis Munoz Marin Intl

dom. 9/21

5:45 am-4:35 pm

2 stops13h 50m

$547

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

dom. 9/14

10:59 pm-1:23 pm

1 stop11h 24m

San Juan Luis Munoz Marin Intl

dom. 9/21

2:28 pm-10:00 pm

1 stop10h 32m

$628

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mié. 7/2

1:24 pm-5:47 pm

3 stops26h 23m

San Juan Luis Munoz Marin Intl

dom. 7/6

11:44 am-8:48 am

2 stops23h 04m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 17 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, 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 June is currently the most expensive (average of $339). 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 junio 18, 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 junio 18, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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 Spirit Airlines, which is currently one of the cheapest options available, starting at $179. American Airlines flights start at $208 while deals on Alaska Airlines start at $484 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 June is currently the most expensive (average of $339). 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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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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$253Average$415FlexibilityNo cancel feeOn-time65%
DeltaCheapest$374Average$546FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$490Average$885FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$504Average$665FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$755FlexibilityNo cancel feeOn-time71%

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