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Puerto Rico

$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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Round-trip from

$405
(Delta)

One-way from

$203
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$606
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. 1% potential increase in price ($11 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 April 3, 2025.

This Delta deal was found by Cheapflights users on 4/2. 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.
Sat 9/65:45 pmBOI - SJU
2 stops15h 44mDelta
Sat 9/137:00 amSJU - BOI
2 stops18h 59mDelta
Deal found 4/2$405
This Delta deal was found by Cheapflights users on 4/3. 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 stops17h 09mDelta
Deal found 4/3$405
This United deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:39 pmBOI - SJU
2 stops16h 21mUnited Airlines
Fri 9/121:05 amSJU - BOI
2 stops12h 50mUnited Airlines
Deal found 4/2$495
This United deal was found by Cheapflights users on 4/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/275:14 amGEG - SJU
1 stop9h 16mUnited Airlines
Mon 5/51:05 amSJU - GEG
2 stops16h 36mUnited Airlines
Deal found 4/3$495
This American Airlines deal was found by Cheapflights users on 4/2. 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 8/266:10 amGEG - SJU
1 stop13h 50mAmerican Airlines
Tue 9/28:40 amSJU - GEG
2 stops17h 15mAmerican Airlines
Deal found 4/2$523
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/31:23 pmBOI - SJU
1 stop13h 37mAmerican Airlines
Sat 5/106:30 amSJU - BOI
2 stops12h 10mAmerican Airlines
Deal found 4/2$530
This Southwest deal was found by Cheapflights users on 4/2. 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 10/65:00 amBOI - SJU
2 stops12h 25mSouthwest
Thu 10/910:05 amSJU - BOI
2 stops16h 15mSouthwest
Deal found 4/2$536
This Southwest deal was found by Cheapflights users on 4/2. 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 7/235:00 amGEG - SJU
2 stops13h 15mSouthwest
Sat 8/25:00 amSJU - GEG
2 stops13h 15mSouthwest
Deal found 4/2$571
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 5/177:00 amGEG - SJU
2 stops19h 12mAlaska Airlines
Fri 5/236:30 amSJU - GEG
2 stops20h 17mAlaska Airlines
Deal found 4/2$697
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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.
Mon 9/157:00 amBOI - SJU
2 stops29h 19mAlaska Airlines
Mon 9/223:42 pmSJU - BOI
2 stops22h 08mAlaska Airlines
Deal found 4/2$716
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/52:11 pmBOI - SJU
3 stops31h 43mMultiple Airlines
Mon 4/75:39 pmSJU - BOI
3 stops45h 18mMultiple Airlines
Deal found 4/1$935

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 April 3, 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

Sat 9/6

5:45 pm-11:29 am

2 stops15h 44m

San Juan Luis Munoz Marin Intl

Sat 9/13

7:00 am-11:59 pm

2 stops18h 59m

$405

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sun 4/27

7:25 pm-1:10 pm

2 stops14h 45m

San Juan Luis Munoz Marin Intl

Tue 5/6

6:35 am-8:44 pm

2 stops17h 09m

$405

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 9/6

5:39 pm-12:00 pm

2 stops16h 21m

San Juan Luis Munoz Marin Intl

Fri 9/12

1:05 am-11:55 am

2 stops12h 50m

$495

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sun 4/27

5:14 am-5:30 pm

1 stop9h 16m

San Juan Luis Munoz Marin Intl

Mon 5/5

1:05 am-2:41 pm

2 stops16h 36m

$495

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 8/26

6:10 am-11:00 pm

1 stop13h 50m

San Juan Luis Munoz Marin Intl

Tue 9/2

8:40 am-10:55 pm

2 stops17h 15m

$523

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 5/3

1:23 pm-5:00 am

1 stop13h 37m

San Juan Luis Munoz Marin Intl

Sat 5/10

6:30 am-4:40 pm

2 stops12h 10m

$530

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Wed 7/23

5:00 am-9:15 pm

2 stops13h 15m

San Juan Luis Munoz Marin Intl

Sat 8/2

5:00 am-3:15 pm

2 stops13h 15m

$571

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sat 5/17

7:00 am-5:12 am

2 stops19h 12m

San Juan Luis Munoz Marin Intl

Fri 5/23

6:30 am-11:47 pm

2 stops20h 17m

$697

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 9/15

7:00 am-2:19 pm

2 stops29h 19m

San Juan Luis Munoz Marin Intl

Mon 9/22

3:42 pm-11:50 am

2 stops22h 08m

$716

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Thu 8/14

6:10 am-11:00 pm

1 stop13h 50m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 16 results
1
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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 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 April 3, 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 April 3, 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
9,825 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,825 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,274 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,619 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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. Delta flights start at $249 while deals on Southwest start at $303 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 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.
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Punta Cana flights
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Hartford to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
John F Kennedy Intl to Nassau flights
Dulles Intl to Punta Cana flights
LaGuardia to Punta Cana flights
John F Kennedy Intl to Kingston flights
LaGuardia to Montego Bay flights
Boston to Oranjestad flights
John F Kennedy Intl to Bridgetown flights
Atlanta to Luis Munoz Marin Intl flights
Atlanta to Montego Bay flights
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John F Kennedy Intl to St. John's flights
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Atlanta to Punta Cana flights
Philadelphia to Punta Cana flights
LaGuardia to Oranjestad flights
John F Kennedy Intl to Providenciales flights
Boston to Punta Cana flights
Raleigh to Luis Munoz Marin Intl 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$253Average$490FlexibilityNo cancel feeOn-time65%
DeltaCheapest$374Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$464Average$961FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$501Average$665FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$674FlexibilityNo cancel feeOn-time71%

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