$230+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Apr 9 — Apr 161
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
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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 March 10, 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 March 10, 2026.
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 4/136:00 am
BOI
- SJU
1 stop15h 02m
American Airlines
Fri 4/176:45 am
SJU
- BOI
1 stop18h 09m
American Airlines
Deal found 3/8![American Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 3/10. 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.
Mon 4/138:40 pm
BOI
- SJU
2 stops14h 12m
Delta
Wed 4/222:45 pm
SJU
- BOI
1 stop9h 43m
Delta
Deal found 3/10![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Mon 4/136:26 pm
BOI
- SJU
2 stops12h 47m
American Airlines
Wed 4/2210:03 am
SJU
- BOI
2 stops14h 51m
American Airlines
Deal found 3/10![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 3/6. 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.
Wed 10/2111:30 pm
BOI
- SJU
1 stop10h 06m
Delta
Wed 10/282:31 pm
SJU
- BOI
1 stop10h 10m
Delta
Deal found 3/6![Delta logo]()
$466
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 11/31:29 pm
BOI
- SJU
1 stop13h 01m
American Airlines
Sat 11/146:00 am
SJU
- BOI
2 stops19h 03m
American Airlines
Deal found 3/8![American Airlines logo]()
$482
This Southwest deal was found by Cheapflights users on 3/6. 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 8/15:40 am
BOI
- SJU
2 stops11h 45m
Southwest
Fri 8/75:00 am
SJU
- BOI
2 stops13h 15m
Southwest
Deal found 3/6![Southwest logo]()
$484
This Southwest deal was found by Cheapflights users on 3/8. 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.
Mon 4/136:55 pm
BOI
- SJU
2 stops13h 40m
Southwest
Fri 4/176:50 am
SJU
- BOI
2 stops12h 10m
Southwest
Deal found 3/8![Southwest logo]()
$485
This Southwest deal was found by Cheapflights users on 3/8. 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.
Sun 4/199:10 pm
BOI
- SJU
2 stops14h 00m
Southwest
Fri 4/242:00 pm
SJU
- BOI
2 stops12h 45m
Southwest
Deal found 3/8![Southwest logo]()
$488
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Sun 4/196:26 pm
BOI
- SJU
2 stops14h 22m
American Airlines
Fri 4/2411:59 pm
SJU
- BOI
1 stop15h 04m
American Airlines
Deal found 3/8![American Airlines logo]()
$495
This Southwest deal was found by Cheapflights users on 3/6. 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 8/310:25 am
BOI
- SJU
2 stops12h 55m
Southwest
Mon 8/105:00 am
SJU
- BOI
2 stops13h 15m
Southwest
Deal found 3/6![Southwest logo]()
$502
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Sat 9/2612:29 pm
BOI
- CPX
2 stops26h 52m
United Airlines
Wed 9/3010:48 am
CPX
- BOI
2 stops12h 28m
United Airlines
Deal found 3/9![United Airlines logo]()
$1,741
This United Airlines deal was found by Cheapflights users on 3/6. 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 3/257:47 am
BOI
- CPX
2 stops30h 26m
United Airlines
Mon 4/610:30 am
CPX
- BOI
2 stops25h 24m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,891
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 March 10, 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 March 10, 2026.
This Southwest deal was found by Cheapflights users on 3/9. 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.
Mon 4/136:55 pm
BOI
- SJU
2 stops13h 40m
Southwest
Fri 4/176:50 am
SJU
- BOI
2 stops18h 40m
Southwest
Deal found 3/9![Southwest logo]()
$496
This United Airlines deal was found by Cheapflights users on 3/6. 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 5/44:20 pm
BOI
- SJU
2 stops19h 25m
United Airlines
Tue 5/51:00 am
SJU
- BOI
2 stops16h 26m
United Airlines
Deal found 3/6![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:30 am
BOI
- SJU
2 stops15h 45m
Delta
Tue 4/71:00 pm
SJU
- BOI
1 stop11h 35m
Delta
Deal found 3/7![Delta logo]()
$510
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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.
Fri 6/512:16 pm
BOI
- SJU
1 stop14h 09m
Alaska Airlines
Wed 6/175:30 am
SJU
- BOI
1 stop19h 19m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$602
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/136:15 am
BOI
- SJU
1 stop9h 23m
United Airlines
Wed 4/151:00 am
SJU
- BOI
2 stops17h 48m
United Airlines
Deal found 3/7![United Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:16 pm
BOI
- SJU
2 stops13h 55m
Delta
Fri 5/152:25 pm
SJU
- BOI
2 stops11h 21m
Delta
Deal found 3/8![Delta logo]()
$575
This Southwest deal was found by Cheapflights users on 3/6. 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.
Sun 5/105:30 am
BOI
- SJU
2 stops13h 25m
Southwest
Fri 5/1510:00 am
SJU
- BOI
2 stops15h 30m
Southwest
Deal found 3/6![Southwest logo]()
$600
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:40 pm
BOI
- SJU
1 stop11h 47m
Delta
Tue 4/1412:55 pm
SJU
- BOI
1 stop11h 33m
Delta
Deal found 3/8![Delta logo]()
$596
This Delta deal was found by Cheapflights users on 3/5. 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 3/3011:30 pm
BOI
- SJU
1 stop11h 57m
Delta
Fri 4/31:00 pm
SJU
- BOI
1 stop11h 35m
Delta
Deal found 3/5![Delta logo]()
$596
This United Airlines deal was found by Cheapflights users on 3/6. 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 3/2512:05 pm
BOI
- CPX
2 stops26h 08m
United Airlines
Wed 4/810:30 am
CPX
- BOI
2 stops14h 05m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,741
This United Airlines deal was found by Cheapflights users on 3/6. 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 3/257:47 am
BOI
- CPX
2 stops30h 26m
United Airlines
Mon 4/610:30 am
CPX
- BOI
2 stops25h 24m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,891
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Thu 3/2612:05 pm
BOI
- CPX
2 stops26h 08m
United Airlines
Wed 4/810:30 am
CPX
- BOI
2 stops14h 05m
United Airlines
Deal found 3/6![United Airlines logo]()
$2,156
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Thu 3/2612:05 pm
BOI
- CPX
2 stops26h 08m
United Airlines
Mon 4/610:30 am
CPX
- BOI
2 stops25h 24m
United Airlines
Deal found 3/6![United Airlines logo]()
$2,307
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Thu 3/267:47 am
BOI
- CPX
2 stops30h 26m
United Airlines
Sun 4/510:30 am
CPX
- BOI
2 stops12h 52m
United Airlines
Deal found 3/6![United Airlines logo]()
$2,875
This United Airlines deal was found by Cheapflights users on 3/6. 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 3/247:47 am
BOI
- CPX
2 stops30h 26m
United Airlines
Sun 4/510:30 am
CPX
- BOI
2 stops12h 52m
United Airlines
Deal found 3/6![United Airlines logo]()
$3,201
Last-minute flights from Boise to Puerto RicoDiscover last-minute flight deals from Boise to Puerto Rico. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Puerto Rico. Data last updated March 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/6. 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 3/2512:05 pm
BOI
- CPX
2 stops26h 08m
United Airlines
Wed 4/810:30 am
CPX
- BOI
2 stops14h 05m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,741
This United Airlines deal was found by Cheapflights users on 3/6. 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 3/257:47 am
BOI
- CPX
2 stops30h 26m
United Airlines
Mon 4/610:30 am
CPX
- BOI
2 stops25h 24m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,891
This United Airlines deal was found by Cheapflights users on 3/6. 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 3/2512:05 pm
BOI
- CPX
2 stops26h 08m
United Airlines
Tue 4/710:30 am
CPX
- BOI
2 stops12h 52m
United Airlines
Deal found 3/6![United Airlines logo]()
$2,144
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 3/3111:30 pm
BOI
- SJU
1 stop10h 20m
Delta
Tue 4/71:00 pm
SJU
- BOI
1 stop11h 35m
Delta
Deal found 3/9![Delta logo]()
$510
This American Airlines deal was found by Cheapflights users on 3/10. 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
2 stops13h 58m
American Airlines
Thu 4/910:03 am
SJU
- BOI
2 stops14h 51m
American Airlines
Deal found 3/10![American Airlines logo]()
$534
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 4/136:00 am
BOI
- SJU
1 stop15h 02m
American Airlines
Fri 4/176:45 am
SJU
- BOI
1 stop18h 09m
American Airlines
Deal found 3/8![American Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 3/10. 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.
Mon 4/138:40 pm
BOI
- SJU
2 stops14h 12m
Delta
Wed 4/222:45 pm
SJU
- BOI
1 stop9h 43m
Delta
Deal found 3/10![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Mon 4/136:26 pm
BOI
- SJU
2 stops12h 47m
American Airlines
Wed 4/2210:03 am
SJU
- BOI
2 stops14h 51m
American Airlines
Deal found 3/10![American Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 3/8. 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.
Mon 4/136:55 pm
BOI
- SJU
2 stops13h 40m
Southwest
Fri 4/176:50 am
SJU
- BOI
2 stops12h 10m
Southwest
Deal found 3/8![Southwest logo]()
$485
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 4/137:03 pm
BOI
- SJU
2 stops16h 42m
United Airlines
Wed 4/151:00 am
SJU
- BOI
2 stops17h 48m
United Airlines
Deal found 3/8![United Airlines logo]()
$514
This Southwest deal was found by Cheapflights users on 3/8. 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.
Sun 4/199:10 pm
BOI
- SJU
2 stops14h 00m
Southwest
Fri 4/242:00 pm
SJU
- BOI
2 stops12h 45m
Southwest
Deal found 3/8![Southwest logo]()
$488
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Sun 4/196:26 pm
BOI
- SJU
2 stops14h 22m
American Airlines
Fri 4/2411:59 pm
SJU
- BOI
1 stop15h 04m
American Airlines
Deal found 3/8![American Airlines logo]()
$495
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 March 10, 2026.
Search for one-way flight options from Boise to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/1411:53 am
BOI
- SJU
2 stops36h 08m
Frontier
Deal found 3/9![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/1411:53 am
BOI
- SJU
3 stops27h 38m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 3/6. 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 stops11h 40m
Southwest
Deal found 3/6![Southwest logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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.
Thu 6/186:26 am
BOI
- SJU
1 stop19h 59m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:41 pm
BOI
- SJU
1 stop12h 51m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 3/6. 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 6/1910:25 am
BOI
- SJU
2 stops12h 55m
Southwest
Deal found 3/6![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 3/246:15 am
BOI
- SJU
2 stops12h 11m
United Airlines
Deal found 3/8![United Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 6/183:07 pm
BOI
- SJU
3 stops48h 42m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 6/196:20 am
BOI
- SJU
3 stops35h 10m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$611
This Delta deal was found by Cheapflights users on 3/9. 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.
Thu 5/149:16 pm
BOI
- SJU
2 stops13h 55m
Delta
Deal found 3/9![Delta logo]()
$913
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 March 10, 2026.
Round-trip from | $424 (American Airlines) |
|---|---|
One-way from | $230 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $725 |
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 March 10, 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 - SJU
BOISJU
Boise Air Term. Gowen Fld
Mon 4/13
6:55 pm-10:35 am
2 stops13h 40m
San Juan Luis Munoz Marin Intl
Fri 4/17
6:50 am-11:30 pm
2 stops18h 40m
$496
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Mon 5/4
4:20 pm-1:45 pm
2 stops19h 25m
San Juan Luis Munoz Marin Intl
Tue 5/5
1:00 am-3:26 pm
2 stops16h 26m
$509
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Tue 3/31
5:30 am-11:15 pm
2 stops15h 45m
San Juan Luis Munoz Marin Intl
Tue 4/7
1:00 pm-10:35 pm
1 stop11h 35m
$510
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Mon 4/13
6:15 am-5:38 pm
1 stop9h 23m
San Juan Luis Munoz Marin Intl
Wed 4/15
1:00 am-4:48 pm
2 stops17h 48m
$514
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Sun 5/10
9:16 pm-1:11 pm
2 stops13h 55m
San Juan Luis Munoz Marin Intl
Fri 5/15
2:25 pm-11:46 pm
2 stops11h 21m
$575
Quickest round-trip
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Tue 4/7
11:40 pm-1:27 pm
1 stop11h 47m
San Juan Luis Munoz Marin Intl
Tue 4/14
12:55 pm-10:28 pm
1 stop11h 33m
$596
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Mon 3/30
11:30 pm-1:27 pm
1 stop11h 57m
San Juan Luis Munoz Marin Intl
Fri 4/3
1:00 pm-10:35 pm
1 stop11h 35m
$596
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Sun 5/10
5:30 am-8:55 pm
2 stops13h 25m
San Juan Luis Munoz Marin Intl
Fri 5/15
10:00 am-11:30 pm
2 stops15h 30m
$600
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Fri 6/5
12:16 pm-4:25 am
1 stop14h 09m
San Juan Luis Munoz Marin Intl
Wed 6/17
5:30 am-10:49 pm
1 stop19h 19m
$602
BoiseCulebra
BOI - CPX
BOICPX
Boise Air Term. Gowen Fld
Wed 3/25
12:05 pm-4:13 pm
2 stops26h 08m
Culebra
Wed 4/8
10:30 am-10:35 pm
2 stops14h 05m
$1,741
Showing 1-10 of 22 resultsSorted 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
BOI-CPX
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
BOI-CPX
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 $209). Flying from Boise to Puerto Rico in February is currently the most expensive (average of $524). 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 March 10, 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.
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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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Complete your trip
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Boise and Puerto Rico flights
Browse other Boise and Puerto Rico flight options. Last updated on March 10, 2026.
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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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$234 | Average$555 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$442 | Average$918 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$473 | Average$651 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$499 | Average$679 | FlexibilityNo cancel fee | On-time71% |