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Puerto Rico

$257+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
abr. 27 — may. 41
dom. 4/27
dom. 5/4
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 abril 22, 2025.

Round-trip from

$405
(Delta)

One-way from

$257
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$615
From Idaho to Puerto Rico
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One-way flight from Idaho to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 22, 2025.

This Delta deal was found by Cheapflights users on 4/22. 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. 9/65:45 pmBOI - SJU
2 stops15h 44mDelta
sáb. 9/132:15 pmSJU - BOI
2 stops11h 23mDelta
Deal found 4/22$405
This Southwest deal was found by Cheapflights users on 4/22. 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. 9/26:00 amBOI - SJU
2 stops11h 45mSouthwest
mié. 9/105:00 amSJU - BOI
2 stops14h 20mSouthwest
Deal found 4/22$442
This Delta deal was found by Cheapflights users on 4/22. 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.
mié. 7/165:00 pmGEG - SJU
2 stops17h 10mDelta
mié. 7/302:15 pmSJU - GEG
2 stops13h 04mDelta
Deal found 4/22$455
This American Airlines deal was found by Cheapflights users on 4/22. 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.
lun. 9/17:30 amBOI - SJU
2 stops10h 45mAmerican Airlines
jue. 9/115:25 pmSJU - BOI
2 stops21h 09mAmerican Airlines
Deal found 4/22$490
This United Airlines deal was found by Cheapflights users on 4/22. 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.
sáb. 9/67:00 amBOI - SJU
1 stop8h 30mUnited Airlines
vie. 9/121:05 amSJU - BOI
2 stops12h 26mUnited Airlines
Deal found 4/22$495
This American Airlines deal was found by Cheapflights users on 4/22. 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. 8/266:10 amGEG - SJU
2 stops11h 05mAmerican Airlines
mar. 9/28:40 amSJU - GEG
2 stops17h 15mAmerican Airlines
Deal found 4/22$520
This Southwest deal was found by Cheapflights users on 4/21. 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.
vie. 6/69:55 amGEG - SJU
2 stops12h 00mSouthwest
vie. 6/131:30 pmSJU - GEG
2 stops13h 25mSouthwest
Deal found 4/21$575
This Mytrip deal was found by Cheapflights users on 4/22. 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. 4/281:52 pmBOI - SJU
2 stops27h 48mSpirit Airlines
dom. 5/410:27 amSJU - BOI
2 stops28h 30mSpirit Airlines
Deal found 4/22$600
This Mytrip deal was found by Cheapflights users on 4/22. 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. 4/281:52 pmBOI - SJU
2 stops27h 48mMultiple Airlines
dom. 5/48:45 pmSJU - BOI
3 stops20h 51mMultiple Airlines
Deal found 4/22$639
This United Airlines deal was found by Cheapflights users on 4/21. 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.
vie. 6/66:00 pmGEG - SJU
2 stops15h 34mUnited Airlines
jue. 6/122:05 amSJU - GEG
2 stops24h 09mUnited Airlines
Deal found 4/21$730
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
mié. 12/177:05 pmBOI - SJU
2 stops16h 40mAlaska Airlines
vie. 12/267:59 amSJU - BOI
1 stop16h 21mAlaska Airlines
Deal found 4/22$770
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
mar. 8/265:49 pmGEG - SJU
2 stops17h 29mAlaska Airlines
mar. 9/23:08 pmSJU - GEG
3 stops24h 35mAlaska Airlines
Deal found 4/22$1,076

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 abril 22, 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

5:45 pm-11:29 am

2 stops15h 44m

San Juan Luis Munoz Marin Intl

sáb. 9/13

2:15 pm-11:38 pm

2 stops11h 23m

$405

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mar. 9/2

6:00 am-7:45 pm

2 stops11h 45m

San Juan Luis Munoz Marin Intl

mié. 9/10

5:00 am-5:20 pm

2 stops14h 20m

$442

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

mié. 7/16

5:00 pm-1:10 pm

2 stops17h 10m

San Juan Luis Munoz Marin Intl

mié. 7/30

2:15 pm-12:19 am

2 stops13h 04m

$455

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

lun. 9/1

7:30 am-8:15 pm

2 stops10h 45m

San Juan Luis Munoz Marin Intl

jue. 9/11

5:25 pm-12:34 pm

2 stops21h 09m

$490

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

sáb. 9/6

7:00 am-5:30 pm

1 stop8h 30m

San Juan Luis Munoz Marin Intl

vie. 9/12

1:05 am-11:31 am

2 stops12h 26m

$495

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

mar. 8/26

6:10 am-8:15 pm

2 stops11h 05m

San Juan Luis Munoz Marin Intl

mar. 9/2

8:40 am-10:55 pm

2 stops17h 15m

$520

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

vie. 6/6

9:55 am-12:55 am

2 stops12h 00m

San Juan Luis Munoz Marin Intl

vie. 6/13

1:30 pm-11:55 pm

2 stops13h 25m

$575

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

vie. 6/6

6:00 pm-12:34 pm

2 stops15h 34m

San Juan Luis Munoz Marin Intl

jue. 6/12

2:05 am-11:14 pm

2 stops24h 09m

$730

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

lun. 9/1

4:00 pm-2:18 pm

2 stops20h 18m

San Juan Luis Munoz Marin Intl

jue. 9/11

3:10 pm-2:55 pm

3 stops25h 45m

$887

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

mar. 8/26

5:49 pm-2:18 pm

2 stops17h 29m

San Juan Luis Munoz Marin Intl

mar. 9/2

3:08 pm-12:43 pm

3 stops24h 35m

$1,076

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 12 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.

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 December is currently the most expensive (average of $336). 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 abril 22, 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 abril 22, 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
9,911 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,911 reviews
Alaska Airlines
8.0
Very good
9,911 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,911 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,911 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,911 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,911 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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 December is currently the most expensive (average of $336). 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

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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 abril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$253Average$424FlexibilityNo cancel feeOn-time65%
DeltaCheapest$374Average$502FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$501Average$664FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$502Average$891FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$530Average$674FlexibilityNo cancel feeOn-time71%

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