$183+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SJU
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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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 March 23, 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 March 23, 2026.
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:00 pm
SJC
- SJU
1 stop11h 25m
Delta
Fri 4/176:15 am
SJU
- SJC
2 stops15h 52m
Delta
Deal found 3/18![Delta logo]()
$366
This Southwest deal was found by Cheapflights users on 3/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:20 am
SJC
- SJU
1 stop12h 05m
Southwest
Thu 7/305:30 am
SJU
- SJC
1 stop12h 55m
Southwest
Deal found 3/19![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 3/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:19 pm
SJC
- SJU
2 stops15h 15m
United Airlines
Thu 5/77:40 am
SJU
- SJC
2 stops12h 43m
United Airlines
Deal found 3/19![United Airlines logo]()
$413
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:45 pm
SJC
- SJU
1 stop12h 25m
Southwest
Fri 4/176:50 am
SJU
- SJC
2 stops13h 35m
Southwest
Deal found 3/18![Southwest logo]()
$429
This Vliegwinkel deal was found by Cheapflights users on 3/20. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:02 pm
SJC
- SJU
1 stop11h 30m
Alaska Airlines
Wed 5/611:59 pm
SJU
- SJC
1 stop13h 11m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 3/22. 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.
Sat 4/186:00 pm
SJC
- SJU
2 stops15h 52m
Delta
Thu 4/236:15 am
SJU
- SJC
2 stops13h 44m
Delta
Deal found 3/22![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:10 am
SJC
- SJU
2 stops13h 52m
American Airlines
Sat 5/911:59 pm
SJU
- SJC
1 stop13h 11m
American Airlines
Deal found 3/18![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 3/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:46 pm
SJC
- SJU
2 stops12h 46m
American Airlines
Wed 5/1311:59 pm
SJU
- SJC
1 stop13h 11m
American Airlines
Deal found 3/19![American Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:02 pm
SJC
- SJU
1 stop11h 30m
American Airlines
Fri 4/1711:59 pm
SJU
- SJC
1 stop13h 08m
American Airlines
Deal found 3/18![American Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 3/22. 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.
Sun 8/169:40 am
SJC
- SJU
2 stops11h 50m
Southwest
Fri 8/215:00 am
SJU
- SJC
2 stops13h 20m
Southwest
Deal found 3/22![Southwest logo]()
$459
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 March 23, 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 March 23, 2026.
This Delta deal was found by Cheapflights users on 3/21. 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.
Mon 8/2410:20 pm
SJC
- SJU
1 stop10h 36m
Delta
Thu 8/271:06 pm
SJU
- SJC
1 stop12h 35m
Delta
Deal found 3/21![Delta logo]()
$366
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:40 pm
SJC
- SJU
2 stops10h 15m
Southwest
Wed 4/158:10 am
SJU
- SJC
2 stops13h 05m
Southwest
Deal found 3/18![Southwest logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:48 am
SJC
- SJU
1 stop13h 37m
Alaska Airlines
Fri 6/512:44 am
SJU
- SJC
1 stop15h 58m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 5/236:37 pm
SJC
- SJU
2 stops14h 27m
United Airlines
Fri 5/291:00 am
SJU
- SJC
2 stops15h 24m
United Airlines
Deal found 3/18![United Airlines logo]()
$655
This Southwest deal was found by Cheapflights users on 3/20. 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.
Sun 9/610:30 pm
SJC
- SJU
1 stop13h 00m
Southwest
Wed 9/96:00 am
SJU
- SJC
1 stop15h 20m
Southwest
Deal found 3/20![Southwest logo]()
$522
This Delta deal was found by Cheapflights users on 3/22. 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 6/111:00 pm
SJC
- SJU
1 stop11h 20m
Delta
Fri 6/57:30 am
SJU
- SJC
2 stops14h 49m
Delta
Deal found 3/22![Delta logo]()
$559
This Southwest deal was found by Cheapflights users on 3/22. 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.
Tue 7/710:40 am
SJC
- SJU
2 stops10h 35m
Southwest
Sun 7/124:30 pm
SJU
- SJC
1 stop10h 25m
Southwest
Deal found 3/22![Southwest logo]()
$543
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
SJC
- SJU
1 stop14h 39m
Alaska Airlines
Fri 6/512:44 am
SJU
- SJC
1 stop15h 58m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$615
This Delta deal was found by Cheapflights users on 3/19. 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 8/1710:20 pm
SJC
- SJU
1 stop10h 36m
Delta
Fri 8/217:30 am
SJU
- SJC
1 stop14h 07m
Delta
Deal found 3/19![Delta logo]()
$569
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
SJC
- SJU
2 stops18h 32m
Alaska Airlines
Sun 4/1911:59 pm
SJU
- SJC
1 stop13h 11m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$683
This Delta deal was found by Cheapflights users on 3/21. 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.
Thu 6/1110:59 pm
SJC
- SJU
1 stop10h 55m
Delta
Wed 6/172:04 pm
SJU
- SJC
1 stop10h 45m
Delta
Deal found 3/21![Delta logo]()
$684
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:00 am
SJC
- SJU
1 stop14h 32m
Alaska Airlines
Wed 4/1511:59 pm
SJU
- SJC
1 stop13h 11m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$695
Last-minute flights from San Jose to San JuanDiscover last-minute flight deals from San Jose to San Juan. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to San Juan. Data last updated March 23, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:40 pm
SJC
- SJU
2 stops10h 15m
Southwest
Wed 4/158:10 am
SJU
- SJC
2 stops13h 05m
Southwest
Deal found 3/18![Southwest logo]()
$484
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:00 pm
SJC
- SJU
1 stop11h 25m
Delta
Fri 4/176:15 am
SJU
- SJC
2 stops15h 52m
Delta
Deal found 3/18![Delta logo]()
$366
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:45 pm
SJC
- SJU
1 stop12h 25m
Southwest
Fri 4/176:50 am
SJU
- SJC
2 stops13h 35m
Southwest
Deal found 3/18![Southwest logo]()
$429
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:02 pm
SJC
- SJU
1 stop11h 30m
American Airlines
Fri 4/1711:59 pm
SJU
- SJC
1 stop13h 08m
American Airlines
Deal found 3/18![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 3/22. 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 4/146:00 am
SJC
- SJU
1 stop14h 02m
American Airlines
Tue 4/217:25 am
SJU
- SJC
2 stops14h 11m
American Airlines
Deal found 3/22![American Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 3/22. 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.
Sat 4/186:00 pm
SJC
- SJU
2 stops15h 52m
Delta
Thu 4/236:15 am
SJU
- SJC
2 stops13h 44m
Delta
Deal found 3/22![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 3/22. 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 4/1911:00 pm
SJC
- SJU
1 stop11h 25m
Delta
Tue 4/212:45 pm
SJU
- SJC
1 stop10h 00m
Delta
Deal found 3/22![Delta logo]()
$481
This Vliegwinkel deal was found by Cheapflights users on 3/20. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:02 pm
SJC
- SJU
1 stop11h 30m
Alaska Airlines
Wed 5/611:59 pm
SJU
- SJC
1 stop13h 11m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:45 pm
SJC
- SJU
1 stop9h 40m
Southwest
Wed 4/298:10 am
SJU
- SJC
2 stops13h 05m
Southwest
Deal found 3/18![Southwest logo]()
$478
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:02 pm
SJC
- SJU
1 stop11h 30m
American Airlines
Wed 4/297:25 am
SJU
- SJC
2 stops18h 34m
American Airlines
Deal found 3/18![American Airlines logo]()
$474
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 March 23, 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 March 23, 2026.
This Delta deal was found by Cheapflights users on 3/22. 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.
Sat 4/1811:00 pm
SJC
- SJU
1 stop9h 45m
Delta
Deal found 3/22![Delta logo]()
$183
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
SJC
- SJU
1 stop14h 02m
American Airlines
Deal found 3/18![American Airlines logo]()
$188
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Tue 4/146:30 am
SJC
- SJU
2 stops14h 20m
United Airlines
Deal found 3/21![United Airlines logo]()
$228
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
SJC
- SJU
1 stop19h 25m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Sun 4/126:00 am
SJC
- SJU
2 stops24h 13m
American Airlines
Deal found 3/21![American Airlines logo]()
$243
This Delta deal was found by Cheapflights users on 3/22. 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 6/111:00 pm
SJC
- SJU
1 stop11h 20m
Delta
Deal found 3/22![Delta logo]()
$261
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:46 pm
SJC
- SJU
2 stops12h 46m
American Airlines
Deal found 3/18![American Airlines logo]()
$262
This American Airlines deal was found by Cheapflights users on 3/20. 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 4/76:00 am
SJC
- SJU
1 stop14h 02m
American Airlines
Deal found 3/20![American Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Sun 4/122:09 pm
SJC
- SJU
2 stops18h 40m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 3/21. 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.
Mon 3/3010:50 pm
SJC
- SJU
1 stop9h 56m
Delta
Deal found 3/21![Delta logo]()
$286
This CheapOair deal was found by Cheapflights users on 3/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
SJC
- SJU
2 stops13h 02m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Sun 4/196:39 pm
SJC
- SJU
3 stops27h 19m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$307
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 March 23, 2026.
Round-trip from | $366 (American Airlines) |
|---|---|
One-way from | $183 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $549 |
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 March 23, 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 8/24
10:20 pm-11:56 am
1 stop10h 36m
San Juan Luis Munoz Marin Intl
Thu 8/27
1:06 pm-10:41 pm
1 stop12h 35m
$366
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Fri 4/10
7:40 pm-8:55 am
2 stops10h 15m
San Juan Luis Munoz Marin Intl
Wed 4/15
8:10 am-6:15 pm
2 stops13h 05m
$484
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Sun 9/6
10:30 pm-2:30 pm
1 stop13h 00m
San Juan Luis Munoz Marin Intl
Wed 9/9
6:00 am-6:20 pm
1 stop15h 20m
$522
Quickest round-trip
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Tue 7/7
10:40 am-12:15 am
2 stops10h 35m
San Juan Luis Munoz Marin Intl
Sun 7/12
4:30 pm-11:55 pm
1 stop10h 25m
$543
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Sat 5/30
11:48 am-4:25 am
1 stop13h 37m
San Juan Luis Munoz Marin Intl
Fri 6/5
12:44 am-1:42 pm
1 stop15h 58m
$554
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Mon 6/1
11:00 pm-1:20 pm
1 stop11h 20m
San Juan Luis Munoz Marin Intl
Fri 6/5
7:30 am-7:19 pm
2 stops14h 49m
$559
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Mon 8/17
10:20 pm-11:56 am
1 stop10h 36m
San Juan Luis Munoz Marin Intl
Fri 8/21
7:30 am-6:37 pm
1 stop14h 07m
$569
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Mon 6/1
6:00 am-11:39 pm
1 stop14h 39m
San Juan Luis Munoz Marin Intl
Fri 6/5
12:44 am-1:42 pm
1 stop15h 58m
$615
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Sat 5/23
6:37 pm-12:04 pm
2 stops14h 27m
San Juan Luis Munoz Marin Intl
Fri 5/29
1:00 am-1:24 pm
2 stops15h 24m
$655
San JoseSan Juan
SJC - SJU
SJCSJU
San Jose
Wed 4/15
7:00 am-4:32 am
2 stops18h 32m
San Juan Luis Munoz Marin Intl
Sun 4/19
11:59 pm-10:10 am
1 stop13h 11m
$683
Showing 1-10 of 21 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
How far ahead should I book a flight from San Jose, California to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from San Jose to San Juan. Price data was last updated on March 13, 2026.
The best time to book flights from San Jose, California to San Juan is 44 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.
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 $162). Flying from San Jose, California to San Juan in March is currently the most expensive (average of $338). 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?
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 March 23, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines 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.
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
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San Jose and San Juan flights
Browse other San Jose and San Juan flight options. Last updated on March 23, 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 March 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from San Jose to San Juan
Discover the top 6 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 March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$541 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$313 | Average$696 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$369 | Average$549 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$376 | Average$555 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$414 | Average$650 | FlexibilityNo cancel fee | On-time71% |