$247+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Mar 13 — Mar 201
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
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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 February 11, 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 February 11, 2026.
This Delta deal was found by Cheapflights users on 2/9. 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 4/198:35 pm
BOI
- SJU
2 stops13h 37m
Delta
Thu 4/306:15 am
SJU
- BOI
2 stops16h 46m
Delta
Deal found 2/9![Delta logo]()
$416
This Delta deal was found by Cheapflights users on 2/10. 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.
Tue 3/35:50 am
BOI
- SJU
2 stops15h 06m
Delta
Tue 3/107:00 am
SJU
- BOI
2 stops17h 11m
Delta
Deal found 2/10![Delta logo]()
$426
This Southwest deal was found by Cheapflights users on 2/9. 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.
Fri 5/14:20 pm
BOI
- SJU
2 stops14h 35m
Southwest
Wed 5/65:05 am
SJU
- BOI
2 stops15h 55m
Southwest
Deal found 2/9![Southwest logo]()
$452
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 4/218:20 am
BOI
- SJU
1 stop10h 14m
United Airlines
Tue 4/287:20 am
SJU
- BOI
2 stops16h 02m
United Airlines
Deal found 2/9![United Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/316:33 pm
BOI
- SJU
2 stops12h 27m
American Airlines
Tue 4/77:11 am
SJU
- BOI
2 stops17h 27m
American Airlines
Deal found 2/10![American Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 2/8. 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 11/17:00 am
BOI
- SJU
1 stop8h 25m
United Airlines
Thu 11/52:25 pm
SJU
- BOI
1 stop11h 40m
United Airlines
Deal found 2/8![United Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 2/10. 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.
Sat 5/211:00 am
BOI
- SJU
2 stops10h 40m
Southwest
Wed 5/65:05 am
SJU
- BOI
2 stops15h 55m
Southwest
Deal found 2/10![Southwest logo]()
$469
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/195:00 am
BOI
- SJU
2 stops13h 34m
United Airlines
Thu 4/301:40 pm
SJU
- BOI
1 stop9h 37m
United Airlines
Deal found 2/9![United Airlines logo]()
$471
This Southwest deal was found by Cheapflights users on 2/10. 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.
Tue 3/3111:10 am
BOI
- SJU
2 stops11h 05m
Southwest
Tue 4/711:25 am
SJU
- BOI
2 stops14h 05m
Southwest
Deal found 2/10![Southwest logo]()
$476
This Southwest deal was found by Cheapflights users on 2/11. 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.
Sat 5/211:00 am
BOI
- SJU
2 stops10h 40m
Southwest
Sat 5/910:00 am
SJU
- BOI
2 stops13h 55m
Southwest
Deal found 2/11![Southwest logo]()
$484
This Southwest deal was found by Cheapflights users on 2/11. 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 9/166:25 am
BOI
- SJU
2 stops12h 40m
Southwest
Sun 9/206:00 am
SJU
- BOI
2 stops12h 10m
Southwest
Deal found 2/11![Southwest logo]()
$494
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 February 11, 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 February 11, 2026.
This Delta deal was found by Cheapflights users on 2/10. 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.
Tue 3/35:50 am
BOI
- SJU
2 stops15h 06m
Delta
Tue 3/107:00 am
SJU
- BOI
2 stops17h 11m
Delta
Deal found 2/10![Delta logo]()
$426
This American Airlines deal was found by Cheapflights users on 2/10. 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 5/26:26 pm
BOI
- SJU
2 stops14h 22m
American Airlines
Wed 5/611:59 pm
SJU
- BOI
1 stop14h 52m
American Airlines
Deal found 2/10![American Airlines logo]()
$462
This Southwest deal was found by Cheapflights users on 2/10. 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.
Tue 3/3111:10 am
BOI
- SJU
2 stops11h 05m
Southwest
Tue 4/711:25 am
SJU
- BOI
2 stops14h 05m
Southwest
Deal found 2/10![Southwest logo]()
$476
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/125:00 am
BOI
- SJU
2 stops13h 38m
United Airlines
Fri 4/171:40 pm
SJU
- BOI
1 stop9h 42m
United Airlines
Deal found 2/9![United Airlines logo]()
$496
This Southwest deal was found by Cheapflights users on 2/11. 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.
Sat 5/211:00 am
BOI
- SJU
2 stops10h 40m
Southwest
Sat 5/910:00 am
SJU
- BOI
2 stops13h 55m
Southwest
Deal found 2/11![Southwest logo]()
$484
This American Airlines deal was found by Cheapflights users on 2/8. 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 7/2912:19 pm
BOI
- SJU
1 stop8h 57m
American Airlines
Sat 8/112:59 am
SJU
- BOI
1 stop15h 09m
American Airlines
Deal found 2/8![American Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 2/7. 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 3/26:55 pm
BOI
- SJU
2 stops16h 45m
United Airlines
Wed 3/48:30 am
SJU
- BOI
2 stops16h 02m
United Airlines
Deal found 2/7![United Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 2/11. 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.
Thu 4/97:30 pm
BOI
- SJU
2 stops16h 45m
Delta
Wed 4/226:15 am
SJU
- BOI
2 stops16h 46m
Delta
Deal found 2/11![Delta logo]()
$506
This Southwest deal was found by Cheapflights users on 2/7. 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.
Tue 7/287:55 pm
BOI
- SJU
2 stops12h 30m
Southwest
Tue 8/45:15 am
SJU
- BOI
2 stops11h 35m
Southwest
Deal found 2/7![Southwest logo]()
$484
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/297:00 am
BOI
- SJU
1 stop13h 31m
American Airlines
Tue 4/76:45 am
SJU
- BOI
1 stop17h 53m
American Airlines
Deal found 2/10![American Airlines logo]()
$507
This Southwest deal was found by Cheapflights users on 2/7. 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.
Tue 7/287:55 pm
BOI
- SJU
2 stops12h 30m
Southwest
Mon 8/105:00 am
SJU
- BOI
2 stops13h 15m
Southwest
Deal found 2/7![Southwest logo]()
$499
This Southwest deal was found by Cheapflights users on 2/7. 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.
Thu 5/144:20 pm
BOI
- SJU
2 stops14h 50m
Southwest
Tue 5/1911:25 am
SJU
- BOI
2 stops14h 05m
Southwest
Deal found 2/7![Southwest logo]()
$504
Last-minute flights from Boise to Puerto RicoDiscover last-minute flight deals from Boise to Puerto Rico. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Puerto Rico. Data last updated February 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/7. 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 3/26:55 pm
BOI
- SJU
2 stops16h 45m
United Airlines
Wed 3/48:30 am
SJU
- BOI
2 stops16h 02m
United Airlines
Deal found 2/7![United Airlines logo]()
$506
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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 3/27:00 am
BOI
- SJU
1 stop13h 31m
Alaska Airlines
Wed 3/47:33 am
SJU
- BOI
1 stop17h 49m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$562
This Delta deal was found by Cheapflights users on 2/10. 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.
Tue 3/35:50 am
BOI
- SJU
2 stops15h 06m
Delta
Tue 3/107:00 am
SJU
- BOI
2 stops17h 11m
Delta
Deal found 2/10![Delta logo]()
$426
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/37:00 am
BOI
- SJU
1 stop13h 31m
American Airlines
Tue 3/106:33 am
SJU
- BOI
1 stop17h 50m
American Airlines
Deal found 2/10![American Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 2/7. 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 3/71:41 pm
BOI
- SJU
2 stops16h 19m
American Airlines
Wed 3/116:33 am
SJU
- BOI
1 stop17h 50m
American Airlines
Deal found 2/7![American Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/91:31 pm
BOI
- SJU
1 stop12h 53m
American Airlines
Mon 3/166:33 am
SJU
- BOI
1 stop17h 50m
American Airlines
Deal found 2/9![American Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/297:00 am
BOI
- SJU
1 stop13h 31m
American Airlines
Tue 4/76:45 am
SJU
- BOI
1 stop17h 53m
American Airlines
Deal found 2/10![American Airlines logo]()
$507
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/317:00 am
BOI
- SJU
1 stop13h 31m
American Airlines
Tue 4/77:11 am
SJU
- BOI
2 stops17h 27m
American Airlines
Deal found 2/10![American Airlines logo]()
$462
This Southwest deal was found by Cheapflights users on 2/10. 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.
Tue 3/3111:10 am
BOI
- SJU
2 stops11h 05m
Southwest
Tue 4/711:25 am
SJU
- BOI
2 stops14h 05m
Southwest
Deal found 2/10![Southwest logo]()
$476
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 February 11, 2026.
Search for one-way flight options from Boise to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 2/1912:36 pm
BOI
- SJU
2 stops34h 49m
Frontier
Deal found 2/10![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 4/212:03 pm
BOI
- SJU
2 stops34h 07m
Frontier
Deal found 2/10![Frontier logo]()
$252
This Southwest deal was found by Cheapflights users on 2/8. 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 4/17:40 am
BOI
- SJU
2 stops9h 50m
Southwest
Deal found 2/8![Southwest logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Thu 4/212:03 pm
BOI
- SJU
3 stops46h 30m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$294
This Southwest deal was found by Cheapflights users on 2/11. 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.
Thu 6/1810:25 am
BOI
- SJU
2 stops12h 55m
Southwest
Deal found 2/11![Southwest logo]()
$298
This American Airlines deal was found by Cheapflights users on 2/8. 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 4/11:39 pm
BOI
- SJU
1 stop13h 49m
American Airlines
Deal found 2/8![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 6/184:10 pm
BOI
- SJU
1 stop10h 25m
American Airlines
Deal found 2/11![American Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 2/1912:36 pm
BOI
- SJU
3 stops31h 33m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 4/21:31 pm
BOI
- SJU
1 stop12h 53m
American Airlines
Deal found 2/9![American Airlines logo]()
$383
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 2/197:00 am
BOI
- SJU
1 stop13h 31m
American Airlines
Deal found 2/10![American Airlines logo]()
$458
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 February 11, 2026.
Round-trip from | $416 (Delta) |
|---|---|
One-way from | $247 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $697 |
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 February 11, 2026.
Use the filters below to find and compare flights from Boise to Puerto Rico that are best for you.
Fly from
Boise
Fly to
Puerto Rico
Route
Depart
Return
Price
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Tue 3/3
5:50 am-11:56 pm
2 stops15h 06m
San Juan Luis Munoz Marin Intl
Tue 3/10
7:00 am-10:11 pm
2 stops17h 11m
$426
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Sat 5/2
6:26 pm-10:48 am
2 stops14h 22m
San Juan Luis Munoz Marin Intl
Wed 5/6
11:59 pm-12:51 pm
1 stop14h 52m
$462
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Tue 3/31
11:10 am-12:15 am
2 stops11h 05m
San Juan Luis Munoz Marin Intl
Tue 4/7
11:25 am-11:30 pm
2 stops14h 05m
$476
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Sat 5/2
11:00 am-11:40 pm
2 stops10h 40m
San Juan Luis Munoz Marin Intl
Sat 5/9
10:00 am-9:55 pm
2 stops13h 55m
$484
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Tue 7/28
7:55 pm-10:25 am
2 stops12h 30m
San Juan Luis Munoz Marin Intl
Tue 8/4
5:15 am-2:50 pm
2 stops11h 35m
$484
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Sun 4/12
5:00 am-8:38 pm
2 stops13h 38m
San Juan Luis Munoz Marin Intl
Fri 4/17
1:40 pm-9:22 pm
1 stop9h 42m
$496
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Wed 7/29
12:19 pm-11:16 pm
1 stop8h 57m
San Juan Luis Munoz Marin Intl
Sat 8/1
12:59 am-2:08 pm
1 stop15h 09m
$499
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Tue 7/28
7:55 pm-10:25 am
2 stops12h 30m
San Juan Luis Munoz Marin Intl
Mon 8/10
5:00 am-4:15 pm
2 stops13h 15m
$499
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Thu 5/14
4:20 pm-9:10 am
2 stops14h 50m
San Juan Luis Munoz Marin Intl
Tue 5/19
11:25 am-11:30 pm
2 stops14h 05m
$504
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Mon 3/2
6:55 pm-2:40 pm
2 stops16h 45m
San Juan Luis Munoz Marin Intl
Wed 3/4
8:30 am-9:32 pm
2 stops16h 02m
$506
Showing 1-10 of 22 results
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, June is the cheapest month in which you can book a flight from Boise to Puerto Rico (average of $212). Flying from Boise to Puerto Rico in March is currently the most expensive (average of $566). 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 February 11, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United 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.
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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
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Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
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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 February 11, 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 February 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$234 | Average$560 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$442 | Average$900 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$473 | Average$641 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$499 | Average$665 | FlexibilityNo cancel fee | On-time71% |