$288+ Cheap flights from Boise (BOI) 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Puerto Rico with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boise to Puerto Rico
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Best
Last-minute
One-way
Cheapest flights from Boise to Puerto RicoExplore the most affordable flight options available from Boise to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Boise to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 11/117:00 am -
1 stop14h 16m
Wed 11/189:45 am -
2 stops15h 57m
Deal found 8/13![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 8/13. 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 10/132:02 pm -
2 stops19h 29m
Sat 10/176:00 am -
1 stop9h 51m
Deal found 8/13![American Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:59 pm -
2 stops16h 06m
Fri 10/306:45 am -
2 stops13h 48m
Deal found 8/16![Delta logo]()
$538
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:29 pm -
2 stops14h 17m
Fri 10/166:00 am -
1 stop9h 51m
Deal found 8/17![American Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 8/17. 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.
Fri 10/1611:10 pm -
1 stop12h 39m
Fri 10/2312:50 pm -
1 stop11h 07m
Deal found 8/17![Delta logo]()
$548
This American Airlines deal was found by Cheapflights users on 8/14. 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 10/2412:14 pm -
1 stop9h 06m
Tue 11/36:28 am -
1 stop10h 17m
Deal found 8/14![American Airlines logo]()
$558
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:10 pm -
1 stop12h 39m
Mon 10/2612:50 pm -
2 stops13h 09m
Deal found 8/16![Delta logo]()
$573
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:10 pm -
1 stop12h 39m
Mon 10/2612:50 pm -
2 stops13h 09m
Deal found 8/16![Delta logo]()
$583
This Southwest deal was found by Cheapflights users on 8/15. 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 12/147:55 am -
2 stops11h 25m
Mon 12/215:35 am -
2 stops12h 55m
Deal found 8/15![Southwest logo]()
$608
Best flights from Boise to Puerto RicoDiscover carefully curated flight deals from Boise to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Boise to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 9/161:52 pm -
2 stops17h 32m
Sat 9/2610:16 am -
2 stops14h 11m
Deal found 8/12![American Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:59 pm -
2 stops19h 57m
Fri 11/137:00 am -
1 stop9h 34m
Deal found 8/16![Delta logo]()
$548
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 10/255:00 am -
2 stops13h 00m
Wed 10/287:25 am -
2 stops12h 38m
Deal found 8/14![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 10/75:00 am -
1 stop10h 38m
Fri 10/162:00 pm -
1 stop9h 35m
Deal found 8/17![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Fri 9/256:25 am -
1 stop9h 13m
Fri 10/22:00 pm -
1 stop10h 33m
Deal found 8/16![United Airlines logo]()
$648
Last-minute flights from Boise to Puerto RicoDiscover last-minute flight deals from Boise to Puerto Rico. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Puerto Rico. Data last updated August 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 8/302:49 pm -
2 stops16h 54m
Thu 9/310:33 am -
2 stops13h 38m
Deal found 8/15![American Airlines logo]()
$662
This Delta deal was found by Cheapflights users on 8/15. 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 8/3011:10 pm -
1 stop12h 32m
Thu 9/312:56 pm -
1 stop11h 01m
Deal found 8/15![Delta logo]()
$676
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/312:44 pm -
2 stops20h 10m
Tue 9/11:00 am -
2 stops16h 31m
Deal found 8/12![United Airlines logo]()
$700
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 9/161:52 pm -
2 stops17h 32m
Sat 9/2610:16 am -
2 stops14h 11m
Deal found 8/12![American Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/165:40 pm -
2 stops24h 58m
Sat 9/262:00 pm -
1 stop10h 33m
Deal found 8/13![United Airlines logo]()
$693
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:50 pm -
2 stops19h 10m
Fri 10/26:00 am -
2 stops18h 27m
Deal found 8/17![American Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 9/256:25 am -
1 stop9h 13m
Fri 10/22:00 pm -
1 stop10h 33m
Deal found 8/17![United Airlines logo]()
$648
This Southwest deal was found by Cheapflights users on 8/14. 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 9/306:00 am -
2 stops13h 10m
Sun 10/45:00 am -
2 stops12h 30m
Deal found 8/14![Southwest logo]()
$538
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/305:00 am -
1 stop10h 38m
Sat 10/31:00 am -
2 stops12h 28m
Deal found 8/14![United Airlines logo]()
$558
One-way flights from Boise to Puerto RicoSearch for one-way flight options from Boise to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Boise to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This eDestinos deal was found by Cheapflights users on 8/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am -
2 stops18h 15m
Deal found 8/14![Multiple Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 8/14. 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 8/286:45 pm -
2 stops16h 57m
Deal found 8/14![Delta logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:05 am -
3 stops34h 47m
Deal found 8/14![Multiple Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 9/212:12 pm -
1 stop24h 42m
Deal found 8/14![American Airlines logo]()
$817
Find flight deals from Boise to Puerto Rico
Keep the following information in mind while searching for Boise to Puerto Rico flight deals. Data was last updated August 17, 2026.
Round-trip from | $359 (American Airlines) |
|---|---|
One-way from | $288 (eDestinos) |
Popular in | July |
Cheapest in | October |
Average price | $581 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 August 17, 2026.
Use the filters below to find and compare flights from Boise to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseSan Juan
BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl
BOISJU
Boise Air Term. Gowen Fld
Wed 9/16
1:52 pm-9:24 am
2 stops17h 32m
San Juan Luis Munoz Marin Intl
Sat 9/26
10:16 am-10:27 pm
2 stops14h 11m
$543
BoiseSan Juan
BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl
BOISJU
Boise Air Term. Gowen Fld
Fri 11/6
5:59 pm-4:56 pm
2 stops19h 57m
San Juan Luis Munoz Marin Intl
Fri 11/13
7:00 am-1:34 pm
1 stop9h 34m
$548
BoiseSan Juan
BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl
BOISJU
Boise Air Term. Gowen Fld
Sun 10/25
5:00 am-8:00 pm
2 stops13h 00m
San Juan Luis Munoz Marin Intl
Wed 10/28
7:25 am-6:03 pm
2 stops12h 38m
$648
BoiseSan Juan
BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl
BOISJU
Boise Air Term. Gowen Fld
Wed 10/7
5:00 am-5:38 pm
1 stop10h 38m
San Juan Luis Munoz Marin Intl
Fri 10/16
2:00 pm-9:35 pm
1 stop9h 35m
$648
Quickest round-trip
BoiseSan Juan
BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl
BOISJU
Boise Air Term. Gowen Fld
Fri 9/25
6:25 am-5:38 pm
1 stop9h 13m
San Juan Luis Munoz Marin Intl
Fri 10/2
2:00 pm-10:33 pm
1 stop10h 33m
$648
Cheapest one-way
Quickest one-way
BoiseSan Juan
BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl
BOISJU
Boise Air Term. Gowen Fld
Fri 8/28
6:45 pm-1:42 pm
2 stops16h 57m
$338
BoiseSan Juan
BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl
BOISJU
Boise Air Term. Gowen Fld
Wed 9/2
12:12 pm-2:54 pm
1 stop24h 42m
$817
Sorted by cheapest first
Best time to book a flight from Boise to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Boise with our price prediction graph.
BOI-SJU
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 Boise to Puerto Rico
BOI-PR0
BOI-SJU
What is the cheapest month to book a flight from Boise to Puerto Rico?
Currently, October is the cheapest month in which you can book a flight from Boise to Puerto Rico (average of $553). Flying from Boise to Puerto Rico in July is currently the most expensive (average of $828). 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.
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 August 17, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Boise to Puerto Rico. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Boise to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boise to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Puerto Rico by cabin class
Find flights from Boise to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Puerto Rico flights
Browse other Boise and Puerto Rico flight options. Last updated on August 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Boise to Puerto Rico
Discover the top 4 airlines that operate flights from Boise 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$368 | Average$581 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$429 | Average$798 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$473 | Average$584 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$499 | Average$679 | FlexibilityNo cancel fee | On-time71% |