$263+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
May 23 — May 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise to Puerto Rico with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boise to Puerto Rico
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to Puerto RicoExplore the most affordable flight options available from Boise to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 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 April 23, 2026.
This United Airlines deal was found by Cheapflights users on 4/21. 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 10/257:00 am
BOI
- SJU
1 stop8h 25m
United Airlines
Sat 10/316:45 am
SJU
- BOI
2 stops16h 31m
United Airlines
Deal found 4/21![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/166:30 am
BOI
- SJU
1 stop9h 08m
United Airlines
Tue 5/261:00 am
SJU
- BOI
2 stops12h 32m
United Airlines
Deal found 4/20![United Airlines logo]()
$549
This Southwest deal was found by Cheapflights users on 4/20. 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 5/236:25 am
SJU
- BOI
2 stops11h 50m
Southwest
Deal found 4/20![Southwest logo]()
$561
This Delta deal was found by Cheapflights users on 4/20. 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 8/36:42 pm
BOI
- SJU
2 stops15h 26m
Delta
Thu 8/66:00 am
SJU
- BOI
2 stops19h 46m
Delta
Deal found 4/20![Delta logo]()
$581
This Southwest deal was found by Cheapflights users on 4/21. 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 5/84:20 pm
BOI
- SJU
2 stops14h 35m
Southwest
Tue 5/125:05 am
SJU
- BOI
2 stops15h 55m
Southwest
Deal found 4/21![Southwest logo]()
$591
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/162:14 pm
BOI
- SJU
2 stops12h 18m
American Airlines
Tue 5/2612:44 am
SJU
- BOI
2 stops14h 45m
American Airlines
Deal found 4/23![American Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 4/20. 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 12/96:44 am
BOI
- SJU
1 stop19h 35m
American Airlines
Wed 12/167:00 am
SJU
- BOI
1 stop18h 03m
American Airlines
Deal found 4/20![American Airlines logo]()
$604
This Delta deal was found by Cheapflights users on 4/22. 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 7/1611:42 pm
BOI
- SJU
1 stop10h 04m
Delta
Mon 7/202:42 pm
SJU
- BOI
1 stop9h 50m
Delta
Deal found 4/22![Delta logo]()
$616
This Southwest deal was found by Cheapflights users on 4/20. 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 8/111:35 am
BOI
- SJU
2 stops11h 10m
Southwest
Sun 8/96:00 am
SJU
- BOI
2 stops12h 10m
Southwest
Deal found 4/20![Southwest logo]()
$621
This Southwest deal was found by Cheapflights users on 4/22. 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 7/1310:25 am
BOI
- SJU
2 stops12h 55m
Southwest
Thu 7/165:00 am
SJU
- BOI
2 stops11h 45m
Southwest
Deal found 4/22![Southwest logo]()
$631
This Delta deal was found by Cheapflights users on 4/20. 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 8/46:00 am
BOI
- SJU
2 stops14h 29m
Delta
Fri 8/76:00 am
SJU
- BOI
2 stops18h 00m
Delta
Deal found 4/20![Delta logo]()
$636
This United Airlines deal was found by Cheapflights users on 4/20. 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 10/287:00 am
BOI
- VQS
2 stops32h 39m
United Airlines
Sun 11/18:30 am
VQS
- BOI
2 stops54h 32m
United Airlines
Deal found 4/20![United Airlines logo]()
$1,186
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 April 23, 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 April 23, 2026.
This Delta deal was found by Cheapflights users on 4/19. 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 7/297:28 pm
BOI
- SJU
2 stops14h 40m
Delta
Sun 8/212:56 pm
SJU
- BOI
1 stop11h 36m
Delta
Deal found 4/19![Delta logo]()
$526
This Southwest deal was found by Cheapflights users on 4/22. 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 7/1310:25 am
BOI
- SJU
2 stops12h 55m
Southwest
Thu 7/165:00 am
SJU
- BOI
2 stops11h 45m
Southwest
Deal found 4/22![Southwest logo]()
$631
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/96:30 am
BOI
- SJU
1 stop9h 08m
United Airlines
Wed 5/137:00 am
SJU
- BOI
2 stops16h 17m
United Airlines
Deal found 4/21![United Airlines logo]()
$640
This Delta deal was found by Cheapflights users on 4/19. 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 8/46:00 am
BOI
- SJU
2 stops14h 29m
Delta
Thu 8/66:00 am
SJU
- BOI
2 stops19h 46m
Delta
Deal found 4/19![Delta logo]()
$581
This Delta deal was found by Cheapflights users on 4/19. 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 8/36:42 pm
BOI
- SJU
2 stops15h 04m
Delta
Fri 8/76:00 am
SJU
- BOI
1 stop8h 53m
Delta
Deal found 4/19![Delta logo]()
$581
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/85:00 am
BOI
- SJU
1 stop10h 38m
United Airlines
Mon 5/111:40 pm
SJU
- BOI
1 stop10h 55m
United Airlines
Deal found 4/22![United Airlines logo]()
$656
This Southwest deal was found by Cheapflights users on 4/22. 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 5/84:20 pm
BOI
- SJU
2 stops14h 35m
Southwest
Tue 5/1211:25 am
SJU
- BOI
2 stops14h 05m
Southwest
Deal found 4/22![Southwest logo]()
$656
This Delta deal was found by Cheapflights users on 4/23. 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 7/1611:42 pm
BOI
- SJU
1 stop10h 04m
Delta
Mon 7/202:05 pm
SJU
- BOI
2 stops12h 00m
Delta
Deal found 4/23![Delta logo]()
$616
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/66:23 am
BOI
- SJU
2 stops13h 01m
United Airlines
Sun 5/101:40 pm
SJU
- BOI
1 stop9h 37m
United Airlines
Deal found 4/21![United Airlines logo]()
$695
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:20 am
BOI
- SJU
2 stops13h 25m
Delta
Thu 8/66:00 am
SJU
- BOI
2 stops19h 46m
Delta
Deal found 4/20![Delta logo]()
$691
This Delta deal was found by Cheapflights users on 4/22. 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 5/1011:39 pm
BOI
- SJU
1 stop11h 59m
Delta
Fri 5/152:48 pm
SJU
- BOI
1 stop9h 40m
Delta
Deal found 4/22![Delta logo]()
$701
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:23 pm
BOI
- CPX
2 stops26h 58m
United Airlines
Wed 9/210:48 am
CPX
- BOI
2 stops26h 37m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,639
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/76:58 pm
BOI
- CPX
3 stops19h 15m
United Airlines
Mon 5/1110:30 am
CPX
- BOI
2 stops14h 05m
United Airlines
Deal found 4/22![United Airlines logo]()
$2,009
Last-minute flights from Boise to Puerto RicoDiscover last-minute flight deals from Boise to Puerto Rico. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Puerto Rico. Data last updated April 23, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 4/21. 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 5/66:00 am
BOI
- SJU
2 stops13h 05m
Southwest
Sun 5/105:35 am
SJU
- BOI
2 stops12h 55m
Southwest
Deal found 4/21![Southwest logo]()
$686
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/66:23 am
BOI
- SJU
2 stops13h 01m
United Airlines
Sun 5/101:40 pm
SJU
- BOI
1 stop9h 37m
United Airlines
Deal found 4/21![United Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/76:58 pm
BOI
- CPX
3 stops19h 15m
United Airlines
Mon 5/1110:30 am
CPX
- BOI
2 stops14h 05m
United Airlines
Deal found 4/22![United Airlines logo]()
$2,009
This Southwest deal was found by Cheapflights users on 4/21. 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 5/84:20 pm
BOI
- SJU
2 stops14h 35m
Southwest
Tue 5/125:05 am
SJU
- BOI
2 stops15h 55m
Southwest
Deal found 4/21![Southwest logo]()
$591
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/86:30 am
BOI
- SJU
1 stop9h 08m
United Airlines
Mon 5/111:40 pm
SJU
- BOI
1 stop9h 37m
United Airlines
Deal found 4/21![United Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/96:30 am
BOI
- SJU
1 stop9h 08m
United Airlines
Wed 5/137:00 am
SJU
- BOI
2 stops16h 17m
United Airlines
Deal found 4/21![United Airlines logo]()
$640
This Southwest deal was found by Cheapflights users on 4/21. 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 5/911:00 am
BOI
- SJU
2 stops10h 40m
Southwest
Wed 5/1311:25 am
SJU
- BOI
2 stops14h 05m
Southwest
Deal found 4/21![Southwest logo]()
$646
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/166:30 am
BOI
- SJU
1 stop9h 08m
United Airlines
Tue 5/261:00 am
SJU
- BOI
2 stops12h 32m
United Airlines
Deal found 4/20![United Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/162:14 pm
BOI
- SJU
2 stops12h 18m
American Airlines
Tue 5/2612:44 am
SJU
- BOI
2 stops14h 45m
American Airlines
Deal found 4/23![American Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 4/20. 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 5/165:45 am
BOI
- SJU
2 stops15h 50m
Delta
Wed 5/272:35 pm
SJU
- BOI
2 stops11h 29m
Delta
Deal found 4/20![Delta logo]()
$636
This Southwest deal was found by Cheapflights users on 4/20. 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 5/236:25 am
SJU
- BOI
2 stops11h 50m
Southwest
Deal found 4/20![Southwest logo]()
$561
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 April 23, 2026.
Search for one-way flight options from Boise to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:00 am
BOI
- SJU
1 stop10h 38m
United Airlines
Deal found 4/18![United Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 4/20. 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 6/1710:40 am
BOI
- SJU
2 stops11h 35m
Southwest
Deal found 4/20![Southwest logo]()
$298
This American Airlines deal was found by Cheapflights users on 4/20. 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 5/86:26 pm
BOI
- SJU
2 stops16h 03m
American Airlines
Deal found 4/20![American Airlines logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 5/156:09 am
BOI
- SJU
1 stop14h 54m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 4/20. 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 6/174:06 pm
BOI
- SJU
1 stop10h 19m
American Airlines
Deal found 4/20![American Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/87:20 pm
BOI
- SJU
3 stops50h 08m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Tue 5/126:00 am
BOI
- SJU
3 stops38h 29m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Mon 8/38:03 am
BOI
- SJU
3 stops31h 07m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Wed 6/176:13 pm
BOI
- SJU
3 stops44h 30m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$601
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 April 23, 2026.
Round-trip from | $526 (Delta) |
|---|---|
One-way from | $263 (Southwest) |
Popular in | November |
Cheapest in | September |
Average price | $611 |
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 April 23, 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
Wed 7/29
7:28 pm-12:08 pm
2 stops14h 40m
San Juan Luis Munoz Marin Intl
Sun 8/2
12:56 pm-10:32 pm
1 stop11h 36m
$526
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Tue 8/4
6:00 am-10:29 pm
2 stops14h 29m
San Juan Luis Munoz Marin Intl
Thu 8/6
6:00 am-11:46 pm
2 stops19h 46m
$581
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Mon 8/3
6:42 pm-11:46 am
2 stops15h 04m
San Juan Luis Munoz Marin Intl
Fri 8/7
6:00 am-12:53 pm
1 stop8h 53m
$581
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Thu 7/16
11:42 pm-11:46 am
1 stop10h 04m
San Juan Luis Munoz Marin Intl
Mon 7/20
2:05 pm-12:05 am
2 stops12h 00m
$616
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Mon 7/13
10:25 am-1:20 am
2 stops12h 55m
San Juan Luis Munoz Marin Intl
Thu 7/16
5:00 am-2:45 pm
2 stops11h 45m
$631
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Sat 5/9
6:30 am-5:38 pm
1 stop9h 08m
San Juan Luis Munoz Marin Intl
Wed 5/13
7:00 am-9:17 pm
2 stops16h 17m
$640
Quickest round-trip
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Fri 5/8
5:00 am-5:38 pm
1 stop10h 38m
San Juan Luis Munoz Marin Intl
Mon 5/11
1:40 pm-10:35 pm
1 stop10h 55m
$656
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Fri 5/8
4:20 pm-8:55 am
2 stops14h 35m
San Juan Luis Munoz Marin Intl
Tue 5/12
11:25 am-11:30 pm
2 stops14h 05m
$656
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Sun 8/2
5:20 am-8:45 pm
2 stops13h 25m
San Juan Luis Munoz Marin Intl
Thu 8/6
6:00 am-11:46 pm
2 stops19h 46m
$691
BoiseSan Juan
BOI - SJU
BOISJU
Boise Air Term. Gowen Fld
Wed 5/6
6:23 am-9:24 pm
2 stops13h 01m
San Juan Luis Munoz Marin Intl
Sun 5/10
1:40 pm-9:17 pm
1 stop9h 37m
$695
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-VQS
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-VQS
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 $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 April 23, 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.
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Boise to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Puerto Rico by cabin class
Find flights from Boise to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Puerto Rico flights
Browse other Boise and Puerto Rico flight options. Last updated on April 23, 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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$581 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$442 | Average$745 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$452 | Average$587 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$499 | Average$679 | FlexibilityNo cancel fee | On-time71% |