$111+ Cheap flights from San Juan to San Diego (SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAN
May 18 — May 251
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from San Juan to San DiegoExplore the most affordable flight options available from San Juan to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
Explore the most affordable flight options available from San Juan to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/66:30 am
SJU
- SAN
2 stops29h 12m
Multiple Airlines
Sun 5/106:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:17 pm
SJU
- SAN
2 stops51h 47m
Multiple Airlines
Sat 5/96:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$344
This eDestinos deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:17 pm
SJU
- SAN
2 stops54h 49m
Frontier
Sat 5/96:25 am
SAN
- SJU
2 stops38h 32m
Frontier
Deal found 4/13![Frontier logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/33:31 pm
SJU
- SAN
2 stops34h 30m
Multiple Airlines
Sun 5/106:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 4/283:08 am
SJU
- SAN
2 stops19h 51m
Multiple Airlines
Sun 5/37:20 am
SAN
- SJU
1 stop27h 12m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$367
This eDestinos deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:59 am
SJU
- SAN
2 stops33h 35m
Frontier
Sun 5/106:25 am
SAN
- SJU
2 stops42h 36m
Frontier
Deal found 4/15![Frontier logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/58:30 am
SJU
- SAN
2 stops18h 20m
Multiple Airlines
Sun 5/106:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$381
This eDestinos deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:41 pm
SJU
- SAN
2 stops41h 01m
Frontier
Sat 5/2310:07 pm
SAN
- SJU
2 stops40h 07m
Frontier
Deal found 4/15![Frontier logo]()
$382
This Delta deal was found by Cheapflights users on 4/16. 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 7/232:42 pm
SJU
- SAN
1 stop11h 15m
Delta
Fri 7/317:13 pm
SAN
- SJU
2 stops14h 42m
Delta
Deal found 4/16![Delta logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:26 pm
SJU
- SAN
2 stops20h 08m
Multiple Airlines
Sun 5/106:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:59 am
SJU
- SAN
2 stops24h 02m
Multiple Airlines
Sun 5/106:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 4/14. 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 8/181:38 pm
SJU
- SAN
2 stops12h 45m
American Airlines
Tue 8/2510:45 pm
SAN
- SJU
1 stop12h 53m
American Airlines
Deal found 4/14![American Airlines logo]()
$395
Best flights from San Juan to San DiegoDiscover carefully curated flight deals from San Juan to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
Discover carefully curated flight deals from San Juan to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
This Delta deal was found by Cheapflights users on 4/14. 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 7/162:05 pm
SJU
- SAN
1 stop10h 56m
Delta
Sun 7/1910:17 pm
SAN
- SJU
1 stop11h 38m
Delta
Deal found 4/14![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 4/14. 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 6/21:00 am
SJU
- SAN
1 stop11h 21m
United Airlines
Wed 6/173:10 pm
SAN
- SJU
1 stop11h 19m
United Airlines
Deal found 4/14![United Airlines logo]()
$476
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:44 am
SJU
- SAN
2 stops11h 16m
American Airlines
Sat 6/610:25 pm
SAN
- SJU
1 stop9h 38m
American Airlines
Deal found 4/13![American Airlines logo]()
$511
This JetBlue deal was found by Cheapflights users on 4/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:01 am
SJU
- SAN
1 stop12h 01m
JetBlue
Tue 5/510:25 am
SAN
- SJU
1 stop10h 42m
JetBlue
Deal found 4/14![JetBlue logo]()
$516
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:45 pm
SJU
- SAN
1 stop11h 40m
Delta
Sat 5/910:00 pm
SAN
- SJU
1 stop15h 29m
Delta
Deal found 4/13![Delta logo]()
$490
This United Airlines deal was found by Cheapflights users on 4/14. 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 6/21:00 am
SJU
- SAN
1 stop11h 21m
United Airlines
Wed 6/105:15 pm
SAN
- SJU
1 stop9h 14m
United Airlines
Deal found 4/14![United Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:30 am
SJU
- SAN
2 stops15h 59m
Delta
Sat 6/63:45 pm
SAN
- SJU
2 stops17h 15m
Delta
Deal found 4/13![Delta logo]()
$548
Last-minute flights from San Juan to San DiegoDiscover last-minute flight deals from San Juan to San Diego. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to San Diego. Data last updated April 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 4/283:08 am
SJU
- SAN
2 stops19h 51m
Multiple Airlines
Sun 5/37:20 am
SAN
- SJU
1 stop27h 12m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:17 pm
SJU
- SAN
2 stops51h 47m
Multiple Airlines
Sat 5/96:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$344
This eDestinos deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:17 pm
SJU
- SAN
2 stops54h 49m
Frontier
Sat 5/96:25 am
SAN
- SJU
2 stops38h 32m
Frontier
Deal found 4/13![Frontier logo]()
$354
This eDestinos deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:59 am
SJU
- SAN
2 stops33h 35m
Frontier
Sun 5/106:25 am
SAN
- SJU
2 stops42h 36m
Frontier
Deal found 4/15![Frontier logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:26 pm
SJU
- SAN
2 stops20h 08m
Multiple Airlines
Sun 5/106:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/33:31 pm
SJU
- SAN
2 stops34h 30m
Multiple Airlines
Sun 5/106:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:59 am
SJU
- SAN
2 stops24h 02m
Multiple Airlines
Sun 5/106:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/48:04 pm
SJU
- SAN
2 stops24h 55m
Multiple Airlines
Fri 5/86:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/58:30 am
SJU
- SAN
2 stops18h 20m
Multiple Airlines
Sun 5/106:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/66:30 am
SJU
- SAN
2 stops29h 12m
Multiple Airlines
Sun 5/106:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$320
This eDestinos deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:30 am
SJU
- SAN
2 stops29h 12m
Frontier
Mon 5/119:59 pm
SAN
- SJU
2 stops25h 09m
Frontier
Deal found 4/17![Frontier logo]()
$398
This eDestinos deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:41 pm
SJU
- SAN
2 stops41h 01m
Frontier
Sat 5/2310:07 pm
SAN
- SJU
2 stops40h 07m
Frontier
Deal found 4/15![Frontier logo]()
$382
One-way flights from San Juan to San DiegoSearch for one-way flight options from San Juan to San Diego. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
Search for one-way flight options from San Juan to San Diego. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Frontier deal was found by Cheapflights users on 4/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:25 am
SJU
- SAN
1 stop15h 05m
Frontier
Deal found 4/17![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:30 am
SJU
- SAN
2 stops29h 12m
Frontier
Deal found 4/13![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/66:30 am
SJU
- SAN
2 stops29h 12m
Frontier
Deal found 4/16![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/123:03 am
SJU
- SAN
2 stops17h 56m
Frontier
Deal found 4/16![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:46 pm
SJU
- SAN
2 stops56h 04m
Frontier
Deal found 4/16![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:04 pm
SJU
- SAN
2 stops46h 22m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/126:41 pm
SJU
- SAN
2 stops32h 09m
Frontier
Deal found 4/13![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/56:41 pm
SJU
- SAN
2 stops32h 09m
Frontier
Deal found 4/16![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/33:31 pm
SJU
- SAN
2 stops34h 30m
Frontier
Deal found 4/16![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/13:23 pm
SJU
- SAN
2 stops34h 43m
Frontier
Deal found 4/16![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:25 am
SJU
- SAN
1 stop15h 25m
Frontier
Deal found 4/14![Frontier logo]()
$183
This Frontier deal was found by Cheapflights users on 4/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:25 am
SJU
- SAN
1 stop15h 25m
Frontier
Deal found 4/16![Frontier logo]()
$184
Find flight deals from San Juan to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to San Diego (SAN). 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 April 18, 2026.
Round-trip from | $320 (Kiwi.com) |
|---|---|
One-way from | $111 (Frontier) |
Popular in | May |
Cheapest in | October |
Average price | $466 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to San Diego 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 18, 2026.
Use the filters below to find and compare flights from San Juan to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Thu 7/16
2:05 pm-10:01 pm
1 stop10h 56m
San Diego
Sun 7/19
10:17 pm-12:55 pm
1 stop11h 38m
$444
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Tue 6/2
1:00 am-9:21 am
1 stop11h 21m
San Diego
Wed 6/17
3:10 pm-5:29 am
1 stop11h 19m
$476
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Thu 4/30
2:45 pm-11:25 pm
1 stop11h 40m
San Diego
Sat 5/9
10:00 pm-4:29 pm
1 stop15h 29m
$490
Quickest round-trip
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Tue 6/2
1:00 am-9:21 am
1 stop11h 21m
San Diego
Wed 6/10
5:15 pm-5:29 am
1 stop9h 14m
$496
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Tue 5/26
12:44 am-9:00 am
2 stops11h 16m
San Diego
Sat 6/6
10:25 pm-11:03 am
1 stop9h 38m
$511
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Fri 5/1
5:01 am-2:02 pm
1 stop12h 01m
San Diego
Tue 5/5
10:25 am-12:07 am
1 stop10h 42m
$516
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Wed 5/27
7:30 am-8:29 pm
2 stops15h 59m
San Diego
Sat 6/6
3:45 pm-12:00 pm
2 stops17h 15m
$548
Cheapest one-way
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Sun 5/10
6:30 am-8:42 am
2 stops29h 12m
$131
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Fri 6/12
6:25 am-6:50 pm
1 stop15h 25m
$183
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Tue 5/12
11:43 am-10:28 pm
1 stop13h 45m
$193
Showing 1-10 of 17 resultsSorted by cheapest first
Best time to book a flight from San Juan to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from San Juan with our price prediction graph.
PR1-SAN
SJU-SAN
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 Juan to San Diego
PR1-SAN
SJU-SAN
How far ahead should I book a flight from San Juan to San Diego?
Use this chart to determine the optimal time to book a round-trip flight from San Juan to San Diego. Price data was last updated on April 10, 2026.
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Juan to San Diego?
Currently, June is the cheapest month in which you can book a flight from San Juan to San Diego (average of $137). Flying from San Juan to San Diego in January is currently the most expensive (average of $339). 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 Juan to San Diego?
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. 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 Diego. Reviews last updated April 18, 2026.
Read through reviews of airlines operating flights from San Juan to San Diego, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
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 San Juan to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove
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Alternative routes for San Juan to San Diego
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San Juan and San Diego flights
Browse other San Juan and San Diego flight options. Last updated on April 18, 2026.
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Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Top 6 airlines flying from San Juan to San Diego
Discover the top 6 airlines that operate flights from San Juan to San Diego. 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$295 | Average$537 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$448 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$457 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$326 | Average$479 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$327 | Average$473 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$377 | Average$481 | FlexibilityNo cancel fee | On-time75% |