$203+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SAN
Aug 18 — Aug 251
Round-trip
1 adult, Economy
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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 July 19, 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 July 19, 2026.
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:00 am
SJU
- SAN
2 stops13h 35m
United Airlines
Fri 8/288:00 am
SAN
- SJU
1 stop9h 38m
United Airlines
Deal found 7/15![United Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 7/18. 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 8/1912:55 am
SJU
- SAN
1 stop11h 03m
American Airlines
Sun 8/2310:45 pm
SAN
- SJU
1 stop12h 53m
American Airlines
Deal found 7/18![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 8/2112:55 am
SJU
- SAN
1 stop11h 03m
American Airlines
Wed 8/269:40 am
SAN
- SJU
2 stops11h 19m
American Airlines
Deal found 7/18![American Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 7/19. 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 8/138:55 pm
SJU
- SAN
2 stops17h 05m
Southwest
Mon 8/178:40 am
SAN
- SJU
1 stop11h 25m
Southwest
Deal found 7/19![Southwest logo]()
$421
This Southwest deal was found by Cheapflights users on 7/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:50 am
SJU
- SAN
2 stops11h 55m
Southwest
Mon 9/149:00 pm
SAN
- SJU
2 stops11h 00m
Southwest
Deal found 7/14![Southwest logo]()
$426
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Thu 9/36:00 am
SJU
- SAN
2 stops12h 26m
American Airlines
Sun 9/66:15 am
SAN
- SJU
1 stop14h 00m
American Airlines
Deal found 7/19![American Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 7/18. 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.
Thu 8/208:55 pm
SJU
- SAN
2 stops17h 05m
Southwest
Sun 8/237:50 pm
SAN
- SJU
2 stops12h 05m
Southwest
Deal found 7/18![Southwest logo]()
$434
This Priceline deal was found by Cheapflights users on 7/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:32 am
SJU
- SAN
1 stop15h 28m
Multiple Airlines
Mon 8/178:40 pm
SAN
- SJU
1 stop14h 31m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$440
This Southwest deal was found by Cheapflights users on 7/18. 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.
Thu 8/138:55 pm
SJU
- SAN
2 stops17h 05m
Southwest
Sun 8/167:20 pm
SAN
- SJU
2 stops10h 50m
Southwest
Deal found 7/18![Southwest logo]()
$449
This SmartFares deal was found by Cheapflights users on 7/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:30 am
SJU
- SAN
1 stop12h 31m
JetBlue
Sun 11/19:30 pm
SAN
- SJU
1 stop10h 53m
JetBlue
Deal found 7/17![JetBlue logo]()
$450
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 July 19, 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 July 19, 2026.
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 am
SJU
- SAN
2 stops14h 20m
Southwest
Fri 11/610:35 pm
SAN
- SJU
1 stop8h 45m
Southwest
Deal found 7/17![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:00 am
SJU
- SAN
2 stops13h 35m
United Airlines
Fri 8/286:20 am
SAN
- SJU
2 stops11h 18m
United Airlines
Deal found 7/15![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 7/19. 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.
Thu 8/137:30 am
SJU
- SAN
1 stop16h 06m
Delta
Mon 8/177:30 am
SAN
- SJU
1 stop13h 22m
Delta
Deal found 7/19![Delta logo]()
$496
This eDestinos deal was found by Cheapflights users on 7/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:02 am
SJU
- SAN
2 stops33h 25m
Multiple Airlines
Tue 8/49:06 pm
SAN
- SJU
1 stop11h 10m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$526
This Southwest deal was found by Cheapflights users on 7/19. 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 8/138:55 pm
SJU
- SAN
2 stops17h 05m
Southwest
Mon 8/1710:40 pm
SAN
- SJU
2 stops10h 40m
Southwest
Deal found 7/19![Southwest logo]()
$436
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Wed 9/163:00 pm
SJU
- SAN
1 stop9h 24m
United Airlines
Sun 9/209:05 pm
SAN
- SJU
1 stop11h 52m
United Airlines
Deal found 7/18![United Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 7/14. 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.
Sat 8/221:19 pm
SJU
- SAN
1 stop13h 24m
Delta
Wed 8/266:29 am
SAN
- SJU
2 stops13h 00m
Delta
Deal found 7/14![Delta logo]()
$510
This United Airlines deal was found by Cheapflights users on 7/14. 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 9/81:00 am
SJU
- SAN
2 stops17h 49m
United Airlines
Mon 9/1410:25 pm
SAN
- SJU
1 stop12h 28m
United Airlines
Deal found 7/14![United Airlines logo]()
$496
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:00 am
SJU
- SAN
2 stops11h 50m
Southwest
Mon 8/1710:10 am
SAN
- SJU
2 stops10h 40m
Southwest
Deal found 7/16![Southwest logo]()
$501
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:25 pm
SJU
- SAN
1 stop12h 24m
United Airlines
Thu 9/246:50 pm
SAN
- SJU
2 stops14h 07m
United Airlines
Deal found 7/15![United Airlines logo]()
$496
Last-minute flights from San Juan to San DiegoDiscover last-minute flight deals from San Juan to San Diego. Data last updated July 19, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to San Diego. Data last updated July 19, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/19. 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 8/138:55 pm
SJU
- SAN
2 stops17h 05m
Southwest
Mon 8/178:40 am
SAN
- SJU
1 stop11h 25m
Southwest
Deal found 7/19![Southwest logo]()
$421
This Southwest deal was found by Cheapflights users on 7/18. 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.
Thu 8/138:55 pm
SJU
- SAN
2 stops17h 05m
Southwest
Sun 8/167:20 pm
SAN
- SJU
2 stops10h 50m
Southwest
Deal found 7/18![Southwest logo]()
$449
This Priceline deal was found by Cheapflights users on 7/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:32 am
SJU
- SAN
1 stop15h 28m
Multiple Airlines
Mon 8/178:40 pm
SAN
- SJU
1 stop14h 31m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 8/1412:55 am
SJU
- SAN
1 stop11h 03m
American Airlines
Sat 8/229:36 pm
SAN
- SJU
1 stop12h 48m
American Airlines
Deal found 7/18![American Airlines logo]()
$465
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:00 am
SJU
- SAN
2 stops11h 50m
Southwest
Mon 8/178:40 am
SAN
- SJU
1 stop11h 25m
Southwest
Deal found 7/16![Southwest logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/185:55 am
SJU
- SAN
2 stops30h 10m
Multiple Airlines
Sat 8/2212:29 pm
SAN
- SJU
1 stop22h 59m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 7/18. 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 8/1912:55 am
SJU
- SAN
1 stop11h 03m
American Airlines
Sun 8/2310:45 pm
SAN
- SJU
1 stop12h 53m
American Airlines
Deal found 7/18![American Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 7/18. 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.
Thu 8/208:55 pm
SJU
- SAN
2 stops17h 05m
Southwest
Sun 8/237:50 pm
SAN
- SJU
2 stops12h 05m
Southwest
Deal found 7/18![Southwest logo]()
$434
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:25 pm
SJU
- SAN
1 stop12h 24m
United Airlines
Fri 8/2810:20 pm
SAN
- SJU
1 stop10h 37m
United Airlines
Deal found 7/15![United Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 8/2112:55 am
SJU
- SAN
1 stop11h 03m
American Airlines
Wed 8/269:40 am
SAN
- SJU
2 stops11h 19m
American Airlines
Deal found 7/18![American Airlines logo]()
$419
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 July 19, 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 July 19, 2026.
This Delta deal was found by Cheapflights users on 7/18. 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.
Thu 10/12:59 pm
SJU
- SAN
1 stop9h 01m
Delta
Deal found 7/18![Delta logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Tue 9/15:37 pm
SJU
- SAN
2 stops25h 04m
Frontier
Deal found 7/15![Frontier logo]()
$206
This Travelocity deal was found by Cheapflights users on 7/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:32 am
SJU
- SAN
1 stop15h 28m
Frontier
Deal found 7/15![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Mon 8/103:10 am
SJU
- SAN
2 stops37h 58m
Frontier
Deal found 7/15![Frontier logo]()
$216
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:55 pm
SJU
- SAN
2 stops17h 05m
Southwest
Deal found 7/15![Southwest logo]()
$218
This Priceline deal was found by Cheapflights users on 7/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:32 am
SJU
- SAN
1 stop15h 28m
Frontier
Deal found 7/15![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/710:48 pm
SJU
- SAN
2 stops19h 55m
Frontier
Deal found 7/16![Frontier logo]()
$232
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:30 am
SJU
- SAN
2 stops15h 40m
Southwest
Deal found 7/17![Southwest logo]()
$246
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:00 am
SJU
- SAN
2 stops13h 35m
United Airlines
Deal found 7/15![United Airlines logo]()
$248
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:25 pm
SJU
- SAN
1 stop11h 54m
United Airlines
Deal found 7/16![United Airlines logo]()
$253
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 July 19, 2026.
Round-trip from | $406 (United Airlines) |
|---|---|
One-way from | $203 (Delta) |
Popular in | March |
Cheapest in | October |
Average price | $565 |
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 July 19, 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
Fri 10/16
5:30 am-4:50 pm
2 stops14h 20m
San Diego
Fri 11/6
10:35 pm-11:20 am
1 stop8h 45m
$406
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Thu 8/20
1:00 am-11:35 am
2 stops13h 35m
San Diego
Fri 8/28
6:20 am-8:38 pm
2 stops11h 18m
$406
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Thu 8/13
8:55 pm-11:00 am
2 stops17h 05m
San Diego
Mon 8/17
10:40 pm-12:20 pm
2 stops10h 40m
$436
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Thu 8/13
7:30 am-8:36 pm
1 stop16h 06m
San Diego
Mon 8/17
7:30 am-11:52 pm
1 stop13h 22m
$496
Quickest round-trip
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Wed 9/16
3:00 pm-9:24 pm
1 stop9h 24m
San Diego
Sun 9/20
9:05 pm-11:57 am
1 stop11h 52m
$496
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Tue 9/8
1:00 am-3:49 pm
2 stops17h 49m
San Diego
Mon 9/14
10:25 pm-1:53 pm
1 stop12h 28m
$496
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Wed 9/9
1:25 pm-10:49 pm
1 stop12h 24m
San Diego
Thu 9/24
6:50 pm-11:57 am
2 stops14h 07m
$496
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Fri 8/14
5:00 am-1:50 pm
2 stops11h 50m
San Diego
Mon 8/17
10:10 am-11:50 pm
2 stops10h 40m
$501
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Sat 8/22
1:19 pm-11:43 pm
1 stop13h 24m
San Diego
Wed 8/26
6:29 am-10:29 pm
2 stops13h 00m
$510
San JuanSan Diego
SJU - SAN
SJUSAN
San Juan Luis Munoz Marin Intl
Thu 7/30
9:02 am-3:27 pm
2 stops33h 25m
San Diego
Tue 8/4
9:06 pm-11:16 am
1 stop11h 10m
$526
Showing 1-10 of 21 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
What is the cheapest month to book a flight from San Juan to San Diego?
Currently, October is the cheapest month in which you can book a flight from San Juan to San Diego (average of $385). Flying from San Juan to San Diego in March is currently the most expensive (average of $566). 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?
How far ahead should I book a flight from San Juan to San Diego?
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.
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 July 19, 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.
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove
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Top 5 airlines flying from San Juan to San Diego
Discover the top 5 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 July 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$295 | Average$506 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$495 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$543 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$326 | Average$489 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$327 | Average$473 | FlexibilityNo cancel fee | On-time62% |