$335+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Jun 6 — Jun 131
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 May 7, 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 May 7, 2026.
This Delta deal was found by Cheapflights users on 5/4. 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 10/194:05 pm
BOI
- SJU
2 stops17h 51m
Delta
Wed 10/287:00 am
SJU
- BOI
2 stops18h 52m
Delta
Deal found 5/4![Delta logo]()
$526
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:17 pm
BOI
- SJU
2 stops19h 26m
American Airlines
Tue 8/1812:59 am
SJU
- BOI
1 stop15h 15m
American Airlines
Deal found 5/5![American Airlines logo]()
$547
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sat 9/265:00 am
BOI
- SJU
1 stop10h 38m
United Airlines
Sat 10/102:00 pm
SJU
- BOI
1 stop9h 31m
United Airlines
Deal found 5/6![United Airlines logo]()
$548
This Delta deal was found by Cheapflights users on 5/4. 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
Thu 10/2912:46 pm
SJU
- BOI
1 stop11h 55m
Delta
Deal found 5/4![Delta logo]()
$561
This American Airlines deal was found by Cheapflights users on 5/2. 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 5/166:26 am
BOI
- SJU
1 stop14h 37m
American Airlines
Tue 5/2612:44 am
SJU
- BOI
1 stop12h 35m
American Airlines
Deal found 5/2![American Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 5/4. 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 10/2211:30 pm
BOI
- SJU
1 stop10h 06m
Delta
Mon 10/2612:46 pm
SJU
- BOI
2 stops13h 18m
Delta
Deal found 5/4![Delta logo]()
$591
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:40 pm
BOI
- SJU
2 stops15h 24m
American Airlines
Sat 8/112:59 am
SJU
- BOI
1 stop15h 21m
American Airlines
Deal found 5/5![American Airlines logo]()
$604
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/176:25 am
BOI
- SJU
1 stop9h 13m
United Airlines
Tue 10/277:10 am
SJU
- BOI
2 stops16h 06m
United Airlines
Deal found 5/4![United Airlines logo]()
$616
This Delta deal was found by Cheapflights users on 5/4. 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 10/2011:30 pm
BOI
- SJU
1 stop11h 51m
Delta
Mon 10/2612:46 pm
SJU
- BOI
2 stops13h 18m
Delta
Deal found 5/4![Delta logo]()
$626
This Delta deal was found by Cheapflights users on 5/4. 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 10/165:45 pm
BOI
- SJU
2 stops15h 51m
Delta
Thu 10/297:00 am
SJU
- BOI
2 stops18h 52m
Delta
Deal found 5/4![Delta logo]()
$636
This Delta deal was found by Cheapflights users on 5/4. 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 10/185:45 pm
BOI
- SJU
2 stops15h 51m
Delta
Thu 10/297:00 am
SJU
- BOI
2 stops18h 52m
Delta
Deal found 5/4![Delta logo]()
$641
This American Airlines deal was found by Cheapflights users on 5/4. 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 11/72:06 pm
BOI
- SJU
2 stops12h 24m
American Airlines
Mon 11/166:44 am
SJU
- BOI
1 stop18h 19m
American Airlines
Deal found 5/4![American Airlines logo]()
$649
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 May 7, 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 May 7, 2026.
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sat 9/267:05 pm
BOI
- SJU
2 stops14h 52m
United Airlines
Fri 10/91:00 am
SJU
- BOI
2 stops14h 25m
United Airlines
Deal found 5/6![United Airlines logo]()
$526
This Delta deal was found by Cheapflights users on 5/4. 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 stop11h 51m
Delta
Wed 10/287:00 am
SJU
- BOI
2 stops18h 52m
Delta
Deal found 5/4![Delta logo]()
$561
This Southwest deal was found by Cheapflights users on 5/6. 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.
Wed 6/310:05 am
BOI
- SJU
2 stops11h 35m
Southwest
Wed 6/101:30 pm
SJU
- BOI
2 stops11h 25m
Southwest
Deal found 5/6![Southwest logo]()
$691
This Delta deal was found by Cheapflights users on 5/4. 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 10/2011:30 pm
BOI
- SJU
1 stop11h 51m
Delta
Wed 10/287:30 am
SJU
- BOI
2 stops18h 34m
Delta
Deal found 5/4![Delta logo]()
$561
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/186:25 am
BOI
- SJU
1 stop9h 13m
United Airlines
Tue 10/271:25 pm
SJU
- BOI
1 stop9h 51m
United Airlines
Deal found 5/4![United Airlines logo]()
$616
This Delta deal was found by Cheapflights users on 5/4. 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 10/224:05 pm
BOI
- SJU
2 stops17h 31m
Delta
Tue 10/277:30 am
SJU
- BOI
2 stops14h 47m
Delta
Deal found 5/4![Delta logo]()
$591
This Delta deal was found by Cheapflights users on 5/4. 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 10/165:45 pm
BOI
- SJU
2 stops15h 51m
Delta
Thu 10/297:00 am
SJU
- BOI
2 stops18h 52m
Delta
Deal found 5/4![Delta logo]()
$636
This Delta deal was found by Cheapflights users on 5/3. 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.
Wed 7/15:59 pm
BOI
- SJU
2 stops17h 05m
Delta
Tue 7/712:56 pm
SJU
- BOI
1 stop11h 36m
Delta
Deal found 5/3![Delta logo]()
$641
This Delta deal was found by Cheapflights users on 5/3. 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.
Wed 7/295:30 am
BOI
- SJU
2 stops16h 23m
Delta
Sun 8/212:56 pm
SJU
- BOI
2 stops12h 55m
Delta
Deal found 5/3![Delta logo]()
$706
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/218:40 am
BOI
- CPX
2 stops30h 41m
United Airlines
Fri 10/3010:48 am
CPX
- BOI
2 stops14h 17m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,741
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/2212:29 pm
BOI
- CPX
2 stops26h 52m
United Airlines
Sun 10/2510:48 am
CPX
- BOI
2 stops12h 28m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,741
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/1812:29 pm
BOI
- CPX
2 stops26h 52m
United Airlines
Fri 10/3010:48 am
CPX
- BOI
2 stops12h 28m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,741
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/1812:29 pm
BOI
- CPX
2 stops26h 52m
United Airlines
Sun 10/2510:48 am
CPX
- BOI
2 stops12h 28m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,741
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/2112:29 pm
BOI
- CPX
2 stops26h 52m
United Airlines
Wed 10/2810:48 am
CPX
- BOI
2 stops12h 28m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,741
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/1612:29 pm
BOI
- CPX
2 stops26h 52m
United Airlines
Tue 10/2710:48 am
CPX
- BOI
2 stops14h 17m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,910
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/1912:29 pm
BOI
- VQS
2 stops27h 10m
United Airlines
Fri 10/3011:40 am
VQS
- BOI
2 stops11h 36m
United Airlines
Deal found 5/4![United Airlines logo]()
$2,559
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/2212:29 pm
BOI
- VQS
2 stops28h 01m
United Airlines
Mon 10/2611:40 am
VQS
- BOI
2 stops11h 36m
United Airlines
Deal found 5/4![United Airlines logo]()
$2,559
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/2212:29 pm
BOI
- VQS
2 stops28h 01m
United Airlines
Sun 10/2511:40 am
VQS
- BOI
2 stops11h 36m
United Airlines
Deal found 5/4![United Airlines logo]()
$2,559
This United Airlines deal was found by Cheapflights users on 5/2. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:25 am
BOI
- VQS
2 stops32h 05m
United Airlines
Mon 8/1011:40 am
VQS
- BOI
2 stops12h 57m
United Airlines
Deal found 5/2![United Airlines logo]()
$2,559
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/178:40 am
BOI
- VQS
2 stops30h 59m
United Airlines
Sat 10/2411:40 am
VQS
- BOI
2 stops11h 51m
United Airlines
Deal found 5/4![United Airlines logo]()
$2,875
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/218:40 am
BOI
- VQS
2 stops30h 59m
United Airlines
Sat 10/2411:40 am
VQS
- BOI
2 stops12h 52m
United Airlines
Deal found 5/4![United Airlines logo]()
$2,875
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/1612:29 pm
BOI
- VQS
2 stops28h 01m
United Airlines
Wed 10/2811:40 am
VQS
- BOI
2 stops11h 36m
United Airlines
Deal found 5/4![United Airlines logo]()
$4,115
Last-minute flights from Boise to Puerto RicoDiscover last-minute flight deals from Boise to Puerto Rico. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Puerto Rico. Data last updated May 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/2. 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 5/166:26 am
BOI
- SJU
1 stop14h 37m
American Airlines
Tue 5/2612:44 am
SJU
- BOI
1 stop12h 35m
American Airlines
Deal found 5/2![American Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 5/4. 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 5/166:41 pm
BOI
- SJU
2 stops15h 20m
Delta
Wed 5/272:48 pm
SJU
- BOI
1 stop9h 40m
Delta
Deal found 5/4![Delta logo]()
$681
This American Airlines deal was found by Cheapflights users on 5/2. 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 5/166:26 pm
BOI
- SJU
2 stops14h 22m
American Airlines
Sun 5/2412:44 am
SJU
- BOI
1 stop16h 23m
American Airlines
Deal found 5/2![American Airlines logo]()
$701
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/186:30 am
BOI
- SJU
1 stop9h 08m
United Airlines
Sat 5/237:40 am
SJU
- BOI
2 stops16h 00m
United Airlines
Deal found 5/6![United Airlines logo]()
$740
This American Airlines deal was found by Cheapflights users on 5/2. 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 5/191:41 pm
BOI
- SJU
2 stops17h 32m
American Airlines
Fri 5/2212:44 am
SJU
- BOI
1 stop12h 35m
American Airlines
Deal found 5/2![American Airlines logo]()
$656
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
BOI
- SJU
2 stops13h 05m
Southwest
Sat 5/2311:15 am
SJU
- BOI
2 stops12h 40m
Southwest
Deal found 5/5![Southwest logo]()
$686
This Faresmojo deal was found by Cheapflights users on 5/3. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:39 pm
BOI
- SJU
1 stop11h 59m
JetBlue
Mon 5/252:48 pm
SJU
- BOI
1 stop9h 40m
JetBlue
Deal found 5/3![JetBlue logo]()
$676
This Faresmojo deal was found by Cheapflights users on 5/3. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2211:39 pm
BOI
- SJU
1 stop11h 59m
JetBlue
Mon 5/251:14 pm
SJU
- BOI
1 stop11h 14m
JetBlue
Deal found 5/3![JetBlue logo]()
$741
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/265:00 am
BOI
- SJU
1 stop10h 38m
United Airlines
Fri 6/51:00 am
SJU
- BOI
2 stops14h 34m
United Airlines
Deal found 5/6![United Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 5/6. 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.
Sat 5/306:00 pm
BOI
- SJU
2 stops17h 20m
Delta
Sat 6/64:10 pm
SJU
- BOI
1 stop9h 36m
Delta
Deal found 5/6![Delta logo]()
$691
This American Airlines deal was found by Cheapflights users on 5/4. 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 6/54:06 pm
BOI
- SJU
1 stop10h 19m
American Airlines
Tue 6/1612:57 am
SJU
- BOI
1 stop15h 25m
American Airlines
Deal found 5/4![American Airlines logo]()
$706
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 May 7, 2026.
Search for one-way flight options from Boise to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This American Airlines deal was found by Cheapflights users on 5/4. 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 5/191:41 pm
BOI
- SJU
2 stops17h 32m
American Airlines
Deal found 5/4![American Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 5/5. 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.
Fri 5/1511:39 pm
BOI
- SJU
1 stop11h 59m
Delta
Deal found 5/5![Delta logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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.
Tue 5/196:09 am
BOI
- SJU
1 stop14h 54m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:26 am
BOI
- SJU
1 stop14h 37m
American Airlines
Deal found 5/5![American Airlines logo]()
$393
This eDestinos deal was found by Cheapflights users on 5/4. 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.
Tue 5/1911:56 am
BOI
- SJU
3 stops42h 08m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/173:13 pm
BOI
- SJU
3 stops46h 37m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:38 am
BOI
- SJU
3 stops29h 31m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$510
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:35 am
BOI
- SJU
3 stops37h 54m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:57 am
BOI
- SJU
3 stops32h 07m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$689
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 May 7, 2026.
Round-trip from | $571 (American Airlines) |
|---|---|
One-way from | $335 (American Airlines) |
Popular in | November |
Cheapest in | September |
Average price | $662 |
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 May 7, 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
Sat 9/26
7:05 pm-11:57 am
2 stops14h 52m
San Juan Luis Munoz Marin Intl
Fri 10/9
1:00 am-1:25 pm
2 stops14h 25m
$526
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Wed 10/21
11:30 pm-1:21 pm
1 stop11h 51m
San Juan Luis Munoz Marin Intl
Wed 10/28
7:00 am-11:52 pm
2 stops18h 52m
$561
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Tue 10/20
11:30 pm-1:21 pm
1 stop11h 51m
San Juan Luis Munoz Marin Intl
Wed 10/28
7:30 am-12:04 am
2 stops18h 34m
$561
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Thu 10/22
4:05 pm-11:36 am
2 stops17h 31m
San Juan Luis Munoz Marin Intl
Tue 10/27
7:30 am-8:17 pm
2 stops14h 47m
$591
Quickest round-trip
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Sun 10/18
6:25 am-5:38 pm
1 stop9h 13m
San Juan Luis Munoz Marin Intl
Tue 10/27
1:25 pm-9:16 pm
1 stop9h 51m
$616
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Fri 10/16
5:45 pm-11:36 am
2 stops15h 51m
San Juan Luis Munoz Marin Intl
Thu 10/29
7:00 am-11:52 pm
2 stops18h 52m
$636
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Wed 7/1
5:59 pm-1:04 pm
2 stops17h 05m
San Juan Luis Munoz Marin Intl
Tue 7/7
12:56 pm-10:32 pm
1 stop11h 36m
$641
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Wed 6/3
10:05 am-11:40 pm
2 stops11h 35m
San Juan Luis Munoz Marin Intl
Wed 6/10
1:30 pm-10:55 pm
2 stops11h 25m
$691
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Wed 7/29
5:30 am-11:53 pm
2 stops16h 23m
San Juan Luis Munoz Marin Intl
Sun 8/2
12:56 pm-11:51 pm
2 stops12h 55m
$706
BoiseCulebra
BOI - CPX
BOICPX
Boise Air Term. Gowen Fld
Wed 10/21
8:40 am-5:21 pm
2 stops30h 41m
Culebra
Fri 10/30
10:48 am-11:05 pm
2 stops14h 17m
$1,741
Showing 1-10 of 32 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
BOI-VQS
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
BOI-VQS
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 $208). Flying from Boise to Puerto Rico in April is currently the most expensive (average of $540). 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 May 7, 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.
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
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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 May 7, 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$618 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$442 | Average$745 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$452 | Average$585 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$499 | Average$679 | FlexibilityNo cancel fee | On-time71% |