$203+ Cheap flights from San Jose, CA (SJC) to San Juan
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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SJU
Aug 24 — Aug 311
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Jose to San Juan 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 San Jose to San Juan
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Jose to San JuanExplore the most affordable flight options available from San Jose to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
Explore the most affordable flight options available from San Jose to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 9/264:24 pm
SJC
- SJU
2 stops16h 39m
Delta
Tue 10/67:00 am
SJU
- SJC
2 stops14h 48m
Delta
Deal found 7/23![Delta logo]()
$406
This American Airlines deal was found by Cheapflights users on 7/20. 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 8/196:00 am
SJC
- SJU
2 stops14h 59m
American Airlines
Fri 8/287:03 am
SJU
- SJC
2 stops14h 30m
American Airlines
Deal found 7/20![American Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 7/20. 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 10/278:50 am
SJC
- SJU
2 stops11h 55m
Southwest
Sun 11/86:05 am
SJU
- SJC
2 stops12h 20m
Southwest
Deal found 7/20![Southwest logo]()
$421
This Delta deal was found by Cheapflights users on 7/23. 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.
Sun 9/206:19 pm
SJC
- SJU
2 stops14h 44m
Delta
Thu 10/12:59 pm
SJU
- SJC
1 stop9h 23m
Delta
Deal found 7/23![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:30 am
SJC
- SJU
2 stops11h 40m
Southwest
Mon 10/55:30 am
SJU
- SJC
1 stop11h 55m
Southwest
Deal found 7/23![Southwest logo]()
$451
This American Airlines deal was found by Cheapflights users on 7/25. 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 9/254:00 pm
SJC
- SJU
2 stops19h 45m
American Airlines
Wed 9/306:00 am
SJU
- SJC
2 stops19h 01m
American Airlines
Deal found 7/25![American Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:08 pm
SJC
- SJU
2 stops11h 16m
American Airlines
Sun 9/276:00 am
SJU
- SJC
2 stops19h 01m
American Airlines
Deal found 7/22![American Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 7/24. 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 12/66:12 pm
SJC
- SJU
2 stops16h 08m
Delta
Wed 12/97:15 am
SJU
- SJC
2 stops18h 32m
Delta
Deal found 7/24![Delta logo]()
$481
This Southwest deal was found by Cheapflights users on 7/25. 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 9/1110:30 pm
SJC
- SJU
1 stop11h 40m
Southwest
Sun 9/205:30 am
SJU
- SJC
2 stops12h 40m
Southwest
Deal found 7/25![Southwest logo]()
$484
This Delta deal was found by Cheapflights users on 7/23. 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 9/242:56 pm
SJC
- SJU
2 stops18h 07m
Delta
Tue 10/67:00 am
SJU
- SJC
2 stops14h 48m
Delta
Deal found 7/23![Delta logo]()
$487
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
SJC
- SJU
2 stops14h 59m
American Airlines
Sun 8/2312:55 am
SJU
- SJC
2 stops14h 02m
American Airlines
Deal found 7/22![American Airlines logo]()
$489
Best flights from San Jose to San JuanDiscover carefully curated flight deals from San Jose to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from San Jose to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:20 pm
SJC
- SJU
2 stops11h 40m
Southwest
Fri 9/185:30 am
SJU
- SJC
1 stop10h 30m
Southwest
Deal found 7/23![Southwest logo]()
$406
This Delta deal was found by Cheapflights users on 7/24. 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 12/56:12 pm
SJC
- SJU
2 stops14h 53m
Delta
Thu 12/103:35 pm
SJU
- SJC
1 stop11h 23m
Delta
Deal found 7/24![Delta logo]()
$406
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 9/264:24 pm
SJC
- SJU
2 stops16h 39m
Delta
Tue 10/67:00 am
SJU
- SJC
2 stops14h 48m
Delta
Deal found 7/23![Delta logo]()
$406
This Southwest deal was found by Cheapflights users on 7/21. 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 9/26:30 am
SJC
- SJU
2 stops11h 35m
Southwest
Thu 9/105:00 am
SJU
- SJC
2 stops12h 55m
Southwest
Deal found 7/21![Southwest logo]()
$406
This Delta deal was found by Cheapflights users on 7/20. 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 1/175:05 pm
SJC
- SJU
2 stops17h 00m
Delta
Sat 1/236:15 am
SJU
- SJC
2 stops14h 01m
Delta
Deal found 7/20![Delta logo]()
$406
This Delta deal was found by Cheapflights users on 7/22. 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.
Mon 10/1910:40 pm
SJC
- SJU
1 stop11h 41m
Delta
Wed 10/287:00 am
SJU
- SJC
2 stops18h 09m
Delta
Deal found 7/22![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 7/20. 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 8/1810:30 pm
SJC
- SJU
1 stop11h 20m
Southwest
Tue 8/256:00 am
SJU
- SJC
1 stop15h 20m
Southwest
Deal found 7/20![Southwest logo]()
$526
This Southwest deal was found by Cheapflights users on 7/24. 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 11/129:00 am
SJC
- SJU
2 stops11h 55m
Southwest
Sun 11/156:05 am
SJU
- SJC
2 stops12h 20m
Southwest
Deal found 7/24![Southwest logo]()
$526
This Delta deal was found by Cheapflights users on 7/20. 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 9/146:19 pm
SJC
- SJU
2 stops14h 44m
Delta
Wed 9/307:00 am
SJU
- SJC
2 stops16h 10m
Delta
Deal found 7/20![Delta logo]()
$487
This Southwest deal was found by Cheapflights users on 7/20. 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 8/118:00 am
SJC
- SJU
2 stops11h 00m
Southwest
Fri 8/145:30 am
SJU
- SJC
1 stop10h 30m
Southwest
Deal found 7/20![Southwest logo]()
$532
This Southwest deal was found by Cheapflights users on 7/20. 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 8/157:30 pm
SJC
- SJU
2 stops12h 15m
Southwest
Tue 8/1811:50 am
SJU
- SJC
2 stops11h 40m
Southwest
Deal found 7/20![Southwest logo]()
$542
Last-minute flights from San Jose to San JuanDiscover last-minute flight deals from San Jose to San Juan. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to San Juan. Data last updated July 25, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/24. 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 8/17:55 pm
SJC
- SJU
2 stops10h 30m
Southwest
Tue 9/16:00 am
SJU
- SJC
1 stop15h 20m
Southwest
Deal found 7/24![Southwest logo]()
$549
This American Airlines deal was found by Cheapflights users on 7/24. 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 8/16:01 am
SJC
- SJU
2 stops12h 58m
American Airlines
Tue 9/16:00 am
SJU
- SJC
2 stops15h 33m
American Airlines
Deal found 7/24![American Airlines logo]()
$569
This Southwest deal was found by Cheapflights users on 7/20. 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 8/118:00 am
SJC
- SJU
2 stops11h 00m
Southwest
Fri 8/145:30 am
SJU
- SJC
1 stop10h 30m
Southwest
Deal found 7/20![Southwest logo]()
$532
This Southwest deal was found by Cheapflights users on 7/20. 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.
Thu 8/137:35 pm
SJC
- SJU
2 stops10h 35m
Southwest
Mon 8/1711:35 am
SJU
- SJC
2 stops12h 50m
Southwest
Deal found 7/20![Southwest logo]()
$548
This Southwest deal was found by Cheapflights users on 7/20. 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 8/157:30 pm
SJC
- SJU
2 stops12h 15m
Southwest
Tue 8/1811:50 am
SJU
- SJC
2 stops11h 40m
Southwest
Deal found 7/20![Southwest logo]()
$542
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 8/1512:42 pm
SJC
- SJU
2 stops20h 58m
American Airlines
Tue 8/183:44 pm
SJU
- SJC
1 stop9h 48m
American Airlines
Deal found 7/20![American Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Tue 8/186:00 am
SJC
- SJU
2 stops14h 15m
American Airlines
Tue 8/253:44 pm
SJU
- SJC
1 stop9h 48m
American Airlines
Deal found 7/20![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
SJC
- SJU
2 stops14h 59m
American Airlines
Sun 8/2312:55 am
SJU
- SJC
2 stops14h 02m
American Airlines
Deal found 7/22![American Airlines logo]()
$489
This Southwest deal was found by Cheapflights users on 7/20. 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 8/1810:30 pm
SJC
- SJU
1 stop11h 20m
Southwest
Tue 8/256:00 am
SJU
- SJC
1 stop15h 20m
Southwest
Deal found 7/20![Southwest logo]()
$526
This American Airlines deal was found by Cheapflights users on 7/20. 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 8/196:00 am
SJC
- SJU
2 stops14h 59m
American Airlines
Fri 8/287:03 am
SJU
- SJC
2 stops14h 30m
American Airlines
Deal found 7/20![American Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 7/20. 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 8/1910:30 pm
SJC
- SJU
1 stop13h 00m
Southwest
Fri 8/285:30 am
SJU
- SJC
1 stop10h 30m
Southwest
Deal found 7/20![Southwest logo]()
$509
One-way flights from San Jose to San JuanSearch for one-way flight options from San Jose to San Juan. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from San Jose to San Juan. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Delta deal was found by Cheapflights users on 7/22. 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.
Mon 8/2410:20 pm
SJC
- SJU
1 stop10h 26m
Delta
Deal found 7/22![Delta logo]()
$203
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:16 pm
SJC
- SJU
2 stops13h 04m
American Airlines
Deal found 7/21![American Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Tue 10/272:22 pm
SJC
- SJU
3 stops30h 35m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 7/24. 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 12/61:57 pm
SJC
- SJU
2 stops27h 22m
American Airlines
Deal found 7/24![American Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 7/24. 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 12/37:00 am
SJC
- SJU
2 stops12h 55m
Delta
Deal found 7/24![Delta logo]()
$284
This American Airlines deal was found by Cheapflights users on 7/24. 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 12/17:10 pm
SJC
- SJU
2 stops15h 47m
American Airlines
Deal found 7/24![American Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 7/20. 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 9/146:40 am
SJC
- SJU
1 stop12h 39m
Delta
Deal found 7/20![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 10/158:44 pm
SJC
- SJU
2 stops15h 39m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:40 am
SJC
- SJU
1 stop12h 49m
Delta
Deal found 7/21![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Mon 8/246:37 pm
SJC
- SJU
3 stops26h 13m
United Airlines
Deal found 7/21![United Airlines logo]()
$364
Find flight deals from San Jose to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2026.
Round-trip from | $406 (Southwest) |
|---|---|
One-way from | $203 (Delta) |
Popular in | November |
Cheapest in | January |
Average price | $756 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose to San Juan 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 July 25, 2026.
Use the filters below to find and compare flights from San Jose to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Mon 9/14
8:20 pm-11:00 am
2 stops11h 40m
San Juan Luis Munoz Marin Intl
Fri 9/18
5:30 am-1:00 pm
1 stop10h 30m
$406
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Sat 12/5
6:12 pm-1:05 pm
2 stops14h 53m
San Juan Luis Munoz Marin Intl
Thu 12/10
3:35 pm-10:58 pm
1 stop11h 23m
$406
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Sat 9/26
4:24 pm-12:03 pm
2 stops16h 39m
San Juan Luis Munoz Marin Intl
Tue 10/6
7:00 am-6:48 pm
2 stops14h 48m
$406
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Wed 9/2
6:30 am-9:05 pm
2 stops11h 35m
San Juan Luis Munoz Marin Intl
Thu 9/10
5:00 am-2:55 pm
2 stops12h 55m
$406
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Sun 1/17
5:05 pm-2:05 pm
2 stops17h 00m
San Juan Luis Munoz Marin Intl
Sat 1/23
6:15 am-4:16 pm
2 stops14h 01m
$406
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Mon 10/19
10:40 pm-1:21 pm
1 stop11h 41m
San Juan Luis Munoz Marin Intl
Wed 10/28
7:00 am-10:09 pm
2 stops18h 09m
$445
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Mon 9/14
6:19 pm-12:03 pm
2 stops14h 44m
San Juan Luis Munoz Marin Intl
Wed 9/30
7:00 am-8:10 pm
2 stops16h 10m
$487
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Tue 8/18
10:30 pm-12:50 pm
1 stop11h 20m
San Juan Luis Munoz Marin Intl
Tue 8/25
6:00 am-6:20 pm
1 stop15h 20m
$526
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Thu 11/12
9:00 am-12:55 am
2 stops11h 55m
San Juan Luis Munoz Marin Intl
Sun 11/15
6:05 am-2:25 pm
2 stops12h 20m
$526
Quickest round-trip
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Tue 8/11
8:00 am-10:00 pm
2 stops11h 00m
San Juan Luis Munoz Marin Intl
Fri 8/14
5:30 am-1:00 pm
1 stop10h 30m
$532
Showing 1-10 of 16 resultsSorted by cheapest first
Best time to book a flight from San Jose to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from San Jose with our price prediction graph.
SJC-PR1
SJC-SJU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Jose to San Juan
SJC-PR1
SJC-SJU
What is the cheapest month to book a flight from San Jose, California to San Juan?
Currently, January is the cheapest month in which you can book a flight from San Jose, California to San Juan (average of $302). Flying from San Jose, California to San Juan in November is currently the most expensive (average of $816). 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.
How much does it cost to fly round-trip from San Jose, California to San Juan?
Airfare is below average for this route at the moment.
San Jose, California to San Juan flights typically cost between $550 and $646 in September.The cheapest round-trip price found within the last 5 days was $406 on Delta (Sep 26-Oct 5).
How far ahead should I book a flight from San Jose, California to San Juan?
The best time to book flights from San Jose, California to San Juan is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated July 25, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from San Jose to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from San Jose to San Juan. 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
Other flights from San Jose
Popular flights
Alternative routes for San Jose to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Jose to San Juan by cabin class
Find flights from San Jose to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Jose and San Juan flights
Browse other San Jose and San Juan flight options. Last updated on July 25, 2026.
Other flights from San Jose
Browse through other flights departing from San Jose. Flights are based on user searches made on Cheapflights and were last updated on July 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from San Jose to San Juan
Discover the top 5 airlines that operate flights from San Jose to San Juan. 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 July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$549 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$394 | Average$680 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$402 | Average$575 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$685 | Average$766 | FlexibilityNo cancel fee | On-time75% |