$208+ Cheap flights from Boise (BOI) to Caribbean Islands
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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Mar 8 — Mar 151
1 adult, Economy
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Find cheap flights from Boise to Caribbean Islands with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Boise to Caribbean IslandsExplore the most affordable flight options available from Boise to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.
Explore the most affordable flight options available from Boise to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:55 pm
BOI
- SJU
2 stops13h 40m
Southwest
Sat 5/910:00 am
SJU
- BOI
2 stops13h 55m
Southwest
Deal found 2/3![Southwest logo]()
$416
This United Airlines deal was found by Cheapflights users on 2/5. 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 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
Wed 11/112:25 pm
SJU
- BOI
1 stop11h 40m
United Airlines
Deal found 2/5![United Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 2/4. 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 4/2811:35 pm
BOI
- NAS
1 stop10h 13m
Delta
Tue 5/53:28 pm
NAS
- BOI
1 stop9h 00m
Delta
Deal found 2/4![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 2/3. 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.
Tue 10/2711:30 pm
BOI
- SJU
1 stop11h 51m
Delta
Sat 10/313:30 pm
SJU
- BOI
1 stop10h 05m
Delta
Deal found 2/3![Delta logo]()
$481
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 3/26:35 pm
BOI
- NAS
2 stops16h 58m
Delta
Mon 3/93:05 pm
NAS
- BOI
2 stops10h 54m
Delta
Deal found 2/3![Delta logo]()
$484
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:30 pm
BOI
- NAS
1 stop21h 30m
American Airlines
Thu 3/123:32 pm
NAS
- BOI
1 stop8h 51m
American Airlines
Deal found 2/3![American Airlines logo]()
$492
This Southwest deal was found by Cheapflights users on 2/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:40 am
BOI
- SJU
2 stops11h 50m
Southwest
Tue 3/1710:10 am
SJU
- BOI
2 stops14h 10m
Southwest
Deal found 2/4![Southwest logo]()
$494
This American Airlines deal was found by Cheapflights users on 2/6. 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 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 2/6![American Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 2/4. 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 5/25:00 am
BOI
- SJU
2 stops13h 38m
United Airlines
Sat 5/91:40 pm
SJU
- BOI
1 stop9h 37m
United Airlines
Deal found 2/4![United Airlines logo]()
$501
This Southwest deal was found by Cheapflights users on 2/5. 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.
Wed 4/15:40 am
BOI
- NAS
2 stops10h 50m
Southwest
Wed 4/88:45 am
NAS
- BOI
2 stops15h 25m
Southwest
Deal found 2/5![Southwest logo]()
$504
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/26:55 pm
BOI
- SJU
2 stops16h 45m
United Airlines
Wed 3/47:40 am
SJU
- BOI
2 stops16h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/218:05 am
BOI
- SJU
1 stop9h 55m
United Airlines
Wed 3/48:30 am
SJU
- BOI
2 stops15h 25m
United Airlines
Deal found 2/4![United Airlines logo]()
$511
Best flights from Boise to Caribbean IslandsDiscover carefully curated flight deals from Boise to Caribbean Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 6, 2026.
Discover carefully curated flight deals from Boise to Caribbean Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 6, 2026.
This Delta deal was found by Cheapflights users on 2/4. 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 5/25:34 am
BOI
- SJU
2 stops15h 39m
Delta
Sat 5/91:55 pm
SJU
- BOI
2 stops11h 45m
Delta
Deal found 2/4![Delta logo]()
$416
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:55 pm
BOI
- SJU
2 stops13h 40m
Southwest
Sat 5/910:00 am
SJU
- BOI
2 stops13h 55m
Southwest
Deal found 2/3![Southwest logo]()
$416
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Tue 4/287:03 pm
BOI
- NAS
2 stops14h 25m
United Airlines
Tue 5/52:53 pm
NAS
- BOI
2 stops21h 01m
United Airlines
Deal found 2/4![United Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 2/6. 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 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 2/6![American Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 3/26:35 pm
BOI
- NAS
2 stops16h 58m
Delta
Mon 3/93:05 pm
NAS
- BOI
2 stops10h 54m
Delta
Deal found 2/3![Delta logo]()
$484
This Southwest deal was found by Cheapflights users on 2/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:40 am
BOI
- SJU
2 stops11h 50m
Southwest
Tue 3/1710:10 am
SJU
- BOI
2 stops14h 10m
Southwest
Deal found 2/4![Southwest logo]()
$494
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:00 am
BOI
- SJU
1 stop10h 38m
United Airlines
Sat 5/97:20 am
SJU
- BOI
2 stops15h 57m
United Airlines
Deal found 2/3![United Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:58 pm
BOI
- NAS
1 stop18h 43m
American Airlines
Tue 6/26:29 pm
NAS
- BOI
1 stop19h 00m
American Airlines
Deal found 2/3![American Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 2/4. 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 5/25:00 am
BOI
- SJU
2 stops13h 38m
United Airlines
Sat 5/91:40 pm
SJU
- BOI
1 stop9h 37m
United Airlines
Deal found 2/4![United Airlines logo]()
$501
This Southwest deal was found by Cheapflights users on 2/5. 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.
Wed 4/15:40 am
BOI
- NAS
2 stops10h 50m
Southwest
Wed 4/88:45 am
NAS
- BOI
2 stops15h 25m
Southwest
Deal found 2/5![Southwest logo]()
$504
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:35 pm
BOI
- NAS
1 stop14h 58m
Delta
Mon 5/43:28 pm
NAS
- BOI
1 stop9h 00m
Delta
Deal found 2/2![Delta logo]()
$516
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 2/256:37 pm
BOI
- GCM
2 stops15h 31m
American Airlines
Wed 3/43:45 pm
GCM
- BOI
2 stops23h 03m
American Airlines
Deal found 2/4![American Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/26:55 pm
BOI
- SJU
2 stops16h 45m
United Airlines
Wed 3/47:40 am
SJU
- BOI
2 stops16h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:03 pm
BOI
- NAS
2 stops17h 54m
United Airlines
Fri 4/173:59 pm
NAS
- BOI
1 stop8h 58m
United Airlines
Deal found 2/3![United Airlines logo]()
$513
This Delta deal was found by Cheapflights users on 2/3. 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 5/64:55 pm
BOI
- PUJ
2 stops16h 48m
Delta
Wed 5/132:40 pm
PUJ
- BOI
1 stop9h 48m
Delta
Deal found 2/3![Delta logo]()
$569
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:40 pm
BOI
- NAS
2 stops19h 10m
United Airlines
Thu 3/124:25 pm
NAS
- BOI
2 stops19h 41m
United Airlines
Deal found 2/3![United Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 2/3. 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.
Fri 5/811:39 pm
BOI
- PUJ
1 stop14h 07m
Delta
Tue 5/122:40 pm
PUJ
- BOI
1 stop9h 48m
Delta
Deal found 2/3![Delta logo]()
$595
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:05 pm
BOI
- GCM
1 stop18h 20m
American Airlines
Thu 6/42:40 pm
GCM
- BOI
1 stop8h 57m
American Airlines
Deal found 2/3![American Airlines logo]()
$655
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:55 pm
BOI
- GCM
2 stops18h 45m
Southwest
Thu 6/412:45 pm
GCM
- BOI
2 stops14h 00m
Southwest
Deal found 2/3![Southwest logo]()
$660
This United Airlines deal was found by Cheapflights users on 2/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:55 pm
BOI
- NAS
2 stops14h 55m
United Airlines
Mon 3/302:53 pm
NAS
- BOI
2 stops21h 01m
United Airlines
Deal found 2/5![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 7/24:05 pm
BOI
- GCM
2 stops18h 15m
American Airlines
Wed 7/82:40 pm
GCM
- BOI
1 stop8h 57m
American Airlines
Deal found 2/4![American Airlines logo]()
$660
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:20 pm
BOI
- GCM
2 stops18h 50m
Southwest
Wed 6/31:05 pm
GCM
- BOI
2 stops11h 25m
Southwest
Deal found 2/3![Southwest logo]()
$660
This Delta deal was found by Cheapflights users on 2/4. 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 4/2611:35 pm
BOI
- MBJ
1 stop10h 54m
Delta
Wed 4/2912:44 pm
MBJ
- BOI
1 stop10h 44m
Delta
Deal found 2/4![Delta logo]()
$618
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/218:05 am
BOI
- SJU
2 stops11h 17m
United Airlines
Wed 3/48:30 am
SJU
- BOI
2 stops15h 25m
United Airlines
Deal found 2/4![United Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 pm
BOI
- GCM
2 stops18h 32m
American Airlines
Wed 6/32:40 pm
GCM
- BOI
1 stop8h 57m
American Airlines
Deal found 2/3![American Airlines logo]()
$660
This Delta deal was found by Cheapflights users on 2/4. 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 4/2711:35 pm
BOI
- MBJ
1 stop10h 54m
Delta
Thu 4/3012:44 pm
MBJ
- BOI
1 stop10h 44m
Delta
Deal found 2/4![Delta logo]()
$618
This Delta deal was found by Cheapflights users on 2/4. 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 4/2211:35 pm
BOI
- MBJ
1 stop14h 42m
Delta
Wed 4/2912:44 pm
MBJ
- BOI
1 stop10h 44m
Delta
Deal found 2/4![Delta logo]()
$618
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:30 am
BOI
- PUJ
1 stop9h 05m
United Airlines
Wed 5/131:25 pm
PUJ
- BOI
1 stop9h 52m
United Airlines
Deal found 2/3![United Airlines logo]()
$565
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3012:31 pm
BOI
- POS
2 stops23h 39m
American Airlines
Sun 4/53:10 pm
POS
- BOI
2 stops23h 38m
American Airlines
Deal found 2/3![American Airlines logo]()
$709
This Delta deal was found by Cheapflights users on 2/4. 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 4/2111:35 pm
BOI
- MBJ
1 stop12h 19m
Delta
Wed 4/292:09 pm
MBJ
- BOI
1 stop9h 19m
Delta
Deal found 2/4![Delta logo]()
$618
Last-minute flights from Boise to Caribbean IslandsDiscover last-minute flight deals from Boise to Caribbean Islands. Data last updated February 6, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Caribbean Islands. Data last updated February 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/218:05 am
BOI
- SJU
1 stop9h 55m
United Airlines
Wed 3/48:30 am
SJU
- BOI
2 stops15h 25m
United Airlines
Deal found 2/4![United Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 2/256:37 pm
BOI
- GCM
2 stops15h 31m
American Airlines
Wed 3/43:45 pm
GCM
- BOI
2 stops23h 03m
American Airlines
Deal found 2/4![American Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 2/4. 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 2/281:30 pm
BOI
- SJU
1 stop12h 54m
American Airlines
Wed 3/47:00 am
SJU
- BOI
2 stops18h 22m
American Airlines
Deal found 2/4![American Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 3/26:35 pm
BOI
- NAS
2 stops16h 58m
Delta
Mon 3/93:05 pm
NAS
- BOI
2 stops10h 54m
Delta
Deal found 2/3![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/26:55 pm
BOI
- SJU
2 stops16h 45m
United Airlines
Wed 3/47:40 am
SJU
- BOI
2 stops16h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:30 pm
BOI
- NAS
1 stop21h 30m
American Airlines
Thu 3/123:32 pm
NAS
- BOI
1 stop8h 51m
American Airlines
Deal found 2/3![American Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:40 pm
BOI
- NAS
2 stops19h 10m
United Airlines
Thu 3/124:25 pm
NAS
- BOI
2 stops19h 41m
United Airlines
Deal found 2/3![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/71:41 pm
BOI
- SJU
2 stops16h 19m
American Airlines
Tue 3/101:30 am
SJU
- BOI
1 stop13h 18m
American Airlines
Deal found 2/2![American Airlines logo]()
$519
This Southwest deal was found by Cheapflights users on 2/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:40 am
BOI
- SJU
2 stops11h 50m
Southwest
Tue 3/1710:10 am
SJU
- BOI
2 stops14h 10m
Southwest
Deal found 2/4![Southwest logo]()
$494
This Delta deal was found by Cheapflights users on 2/5. 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 3/2311:30 pm
BOI
- NAS
1 stop15h 15m
Delta
Mon 3/301:10 pm
NAS
- BOI
2 stops12h 49m
Delta
Deal found 2/5![Delta logo]()
$539
This American Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 3/231:39 pm
BOI
- NAS
1 stop22h 53m
American Airlines
Mon 3/303:32 pm
NAS
- BOI
1 stop8h 51m
American Airlines
Deal found 2/5![American Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Sun 3/296:33 pm
BOI
- SJU
2 stops12h 27m
American Airlines
Thu 4/911:59 pm
SJU
- BOI
1 stop15h 04m
American Airlines
Deal found 2/4![American Airlines logo]()
$546
One-way flights from Boise to Caribbean IslandsSearch for one-way flight options from Boise to Caribbean Islands. Find affordable one-way fares based on user searches. Data last updated February 6, 2026.
Search for one-way flight options from Boise to Caribbean Islands. Find affordable one-way fares based on user searches. Data last updated February 6, 2026.
This Delta deal was found by Cheapflights users on 2/6. 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.
Mon 3/167:30 pm
BOI
- SJU
2 stops16h 45m
Delta
Deal found 2/6![Delta logo]()
$208
This American Airlines deal was found by Cheapflights users on 2/5. 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 4/111:53 pm
BOI
- SJU
1 stop12h 39m
American Airlines
Deal found 2/5![American Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:19 pm
BOI
- PUJ
2 stops18h 11m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 2/1311:56 am
BOI
- SJU
2 stops47h 03m
Frontier
Deal found 2/5![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 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 stops34h 58m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:19 pm
BOI
- PUJ
2 stops22h 53m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 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 2/4![Frontier logo]()
$278
This American Airlines deal was found by Cheapflights users on 2/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:05 pm
BOI
- PUJ
2 stops16h 31m
American Airlines
Deal found 2/6![American Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 4/116:04 pm
BOI
- SJU
3 stops22h 51m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 2/5. 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.
Sat 5/232:50 pm
BOI
- STT
2 stops20h 20m
Southwest
Deal found 2/5![Southwest logo]()
$326
This United Airlines deal was found by Cheapflights users on 2/4. 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 5/295:45 pm
BOI
- PUJ
1 stop21h 50m
United Airlines
Deal found 2/4![United Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 2/5. 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.
Fri 6/1912:19 pm
BOI
- SJU
1 stop14h 13m
American Airlines
Deal found 2/5![American Airlines logo]()
$333
Find flight deals from Boise to Caribbean Islands
Keep the following information in mind while searching for Boise to Caribbean Islands flight deals. Data was last updated February 6, 2026.
Round-trip from | $416 (Southwest) |
|---|---|
One-way from | $208 (Delta) |
Popular in | March |
Cheapest in | September |
Average price | $560 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Caribbean Islands 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 6, 2026.
Use the filters below to find and compare flights from Boise to Caribbean Islands that are best for you.
Fly from
Boise
Fly to
Caribbean Islands
Route
Depart
Return
Price
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Sat 5/2
5:34 am-11:13 pm
2 stops15h 39m
San Juan Luis Munoz Marin Intl
Sat 5/9
1:55 pm-11:40 pm
2 stops11h 45m
$416
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Mon 5/4
6:55 pm-10:35 am
2 stops13h 40m
San Juan Luis Munoz Marin Intl
Sat 5/9
10:00 am-9:55 pm
2 stops13h 55m
$416
BoiseNassau
BOI - NAS
BOINAS
Boise Air Term. Gowen Fld
Tue 4/28
7:03 pm-11:28 am
2 stops14h 25m
Nassau Intl
Tue 5/5
2:53 pm-9:54 am
2 stops21h 01m
$484
BoiseNassau
BOI - NAS
BOINAS
Boise Air Term. Gowen Fld
Mon 3/2
6:35 pm-1:33 pm
2 stops16h 58m
Nassau Intl
Mon 3/9
3:05 pm-11:59 pm
2 stops10h 54m
$484
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Tue 3/10
5:40 am-7:30 pm
2 stops11h 50m
San Juan Luis Munoz Marin Intl
Tue 3/17
10:10 am-10:20 pm
2 stops14h 10m
$494
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
Mon 5/4
5:00 am-5:38 pm
1 stop10h 38m
San Juan Luis Munoz Marin Intl
Sat 5/9
7:20 am-9:17 pm
2 stops15h 57m
$501
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Sat 5/2
5:00 am-8:38 pm
2 stops13h 38m
San Juan Luis Munoz Marin Intl
Sat 5/9
1:40 pm-9:17 pm
1 stop9h 37m
$501
BoiseNassau
BOI - NAS
BOINAS
Boise Air Term. Gowen Fld
Wed 4/1
5:40 am-6:30 pm
2 stops10h 50m
Nassau Intl
Wed 4/8
8:45 am-10:10 pm
2 stops15h 25m
$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
7:40 am-8:55 pm
2 stops16h 15m
$510
Showing 1-10 of 48 results
Best time to book a flight from Boise to Caribbean Islands
Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands from Boise with our price prediction graph.
BOI-NAS
BOI-SJU
BOI-GCM
BOI-PUJ
BOI-MBJ
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 Caribbean Islands
BOI-zzEPX
BOI-NAS
BOI-SJU
BOI-GCM
BOI-PUJ
What is the cheapest month to book a flight from Boise to Caribbean Islands?
Currently, June is the cheapest month in which you can book a flight from Boise to Caribbean Islands (average of $220). Flying from Boise to Caribbean Islands in August is currently the most expensive (average of $490). 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 Caribbean Islands
Get insights into the airlines that provide service to Caribbean Islands. 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 Caribbean Islands. Reviews last updated February 6, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Boise to Caribbean Islands. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
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 Caribbean Islands. 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 Caribbean Islands
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Caribbean Islands by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Caribbean Islands by cabin class
Find flights from Boise to Caribbean Islands, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Caribbean Islands flights
Browse other Boise and Caribbean Islands flight options. Last updated on February 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boise to Caribbean Islands flights
Consider these flights traveling from Boise to Caribbean Islands.
Top 4 airlines flying from Boise to Caribbean Islands
Discover the top 4 airlines that operate flights from Boise to Caribbean Islands. 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$188 | Average$695 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$442 | Average$711 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$480 | Average$721 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$493 | Average$727 | FlexibilityNo cancel fee | On-time71% |