$126+ Cheap flights from San Diego (SAN) 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
mar. 28 — abr. 41
1 adult, Economy
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Find cheap flights from San Diego to San Juan with Cheapflights
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Cheapest flights from San Diego to San JuanExplore the most affordable flight options available from San Diego to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 26, 2026.
Explore the most affordable flight options available from San Diego to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/712:00 pm
SAN
- SJU
2 stops20h 07m
Multiple Airlines
vie. 4/106:55 pm
SJU
- SAN
1 stop29h 40m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$360
This KAYAK deal was found by Cheapflights users on 2/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/298:30 pm
SAN
- SJU
1 stop14h 17m
JetBlue
mar. 6/210:00 am
SJU
- SAN
1 stop11h 58m
JetBlue
Deal found 2/22![JetBlue logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/812:00 pm
SAN
- SJU
2 stops20h 07m
Multiple Airlines
vie. 4/106:55 pm
SJU
- SAN
1 stop29h 40m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 2/25. 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.
mié. 4/156:15 am
SAN
- SJU
1 stop13h 47m
American Airlines
mar. 4/215:45 am
SJU
- SAN
2 stops13h 00m
American Airlines
Deal found 2/25![American Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/56:45 am
SAN
- SJU
2 stops38h 14m
Multiple Airlines
jue. 4/96:55 pm
SJU
- SAN
1 stop31h 49m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/66:45 am
SAN
- SJU
1 stop25h 22m
Multiple Airlines
jue. 4/96:07 pm
SJU
- SAN
2 stops32h 55m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 2/26. 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.
lun. 4/66:45 am
SAN
- SJU
1 stop25h 22m
Multiple Airlines
vie. 4/106:55 pm
SJU
- SAN
1 stop29h 40m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 2/26. 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.
mié. 5/62:47 pm
SAN
- SJU
2 stops23h 43m
Multiple Airlines
mié. 5/136:49 pm
SJU
- SAN
1 stop32h 22m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/1412:12 pm
SAN
- SJU
2 stops26h 47m
Multiple Airlines
jue. 4/236:49 pm
SJU
- SAN
1 stop31h 40m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 2/22. 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.
mar. 4/149:28 am
SAN
- SJU
2 stops10h 34m
American Airlines
mar. 4/215:45 am
SJU
- SAN
2 stops13h 00m
American Airlines
Deal found 2/22![American Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/318:25 am
SAN
- SJU
2 stops23h 28m
Multiple Airlines
jue. 4/96:55 pm
SJU
- SAN
1 stop31h 49m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$373
Best flights from San Diego to San JuanDiscover carefully curated flight deals from San Diego to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated febrero 26, 2026.
Discover carefully curated flight deals from San Diego to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated febrero 26, 2026.
This Southwest deal was found by Cheapflights users on 2/22. 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.
lun. 5/1110:35 am
SAN
- SJU
2 stops10h 20m
Southwest
lun. 5/186:50 am
SJU
- SAN
1 stop16h 20m
Southwest
Deal found 2/22![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 2/26. 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.
sáb. 4/255:00 pm
SAN
- SJU
2 stops16h 34m
United Airlines
mié. 4/297:20 am
SJU
- SAN
2 stops14h 31m
United Airlines
Deal found 2/26![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 2/22. 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.
mar. 3/249:55 pm
SAN
- SJU
1 stop10h 51m
Delta
mar. 3/312:44 pm
SJU
- SAN
1 stop11h 25m
Delta
Deal found 2/22![Delta logo]()
$471
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/98:45 pm
SAN
- SJU
2 stops12h 49m
United Airlines
vie. 5/151:40 pm
SJU
- SAN
1 stop11h 36m
United Airlines
Deal found 2/22![United Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/127:00 am
SAN
- SJU
2 stops13h 50m
United Airlines
vie. 5/151:40 pm
SJU
- SAN
1 stop11h 36m
United Airlines
Deal found 2/22![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 2/25. 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.
jue. 5/217:00 pm
SAN
- SJU
2 stops11h 10m
Southwest
jue. 5/282:00 pm
SJU
- SAN
2 stops12h 25m
Southwest
Deal found 2/25![Southwest logo]()
$500
This Delta deal was found by Cheapflights users on 2/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/1610:30 pm
SAN
- SJU
1 stop11h 55m
Delta
lun. 4/202:45 pm
SJU
- SAN
1 stop11h 40m
Delta
Deal found 2/25![Delta logo]()
$545
This Southwest deal was found by Cheapflights users on 2/22. 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.
mié. 5/277:35 pm
SAN
- SJU
2 stops10h 35m
Southwest
dom. 5/319:45 pm
SJU
- SAN
1 stop14h 10m
Southwest
Deal found 2/22![Southwest logo]()
$504
This Delta deal was found by Cheapflights users on 2/23. 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.
sáb. 3/75:30 pm
SAN
- SJU
2 stops15h 24m
Delta
jue. 3/121:00 pm
SJU
- SAN
1 stop13h 09m
Delta
Deal found 2/23![Delta logo]()
$618
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/106:05 pm
SAN
- SJU
2 stops14h 59m
United Airlines
vie. 5/151:25 pm
SJU
- SAN
2 stops13h 34m
United Airlines
Deal found 2/22![United Airlines logo]()
$594
This Delta deal was found by Cheapflights users on 2/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/156:25 am
SAN
- SJU
2 stops13h 47m
Delta
mié. 4/2212:55 pm
SJU
- SAN
1 stop13h 30m
Delta
Deal found 2/25![Delta logo]()
$665
This Delta deal was found by Cheapflights users on 2/24. 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.
dom. 3/17:00 am
SAN
- SJU
1 stop12h 59m
Delta
sáb. 3/72:09 pm
SJU
- SAN
1 stop10h 30m
Delta
Deal found 2/24![Delta logo]()
$666
Last-minute flights from San Diego to San JuanDiscover last-minute flight deals from San Diego to San Juan. Data last updated febrero 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to San Juan. Data last updated febrero 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/2811:41 am
SAN
- SJU
2 stops44h 58m
Multiple Airlines
vie. 3/67:44 pm
SJU
- SAN
1 stop32h 32m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/22:00 pm
SAN
- SJU
2 stops21h 31m
Multiple Airlines
vie. 3/67:44 pm
SJU
- SAN
1 stop32h 32m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$457
This eDestinos deal was found by Cheapflights users on 2/25. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/37:11 am
SAN
- SJU
2 stops39h 42m
Frontier
lun. 3/93:08 am
SJU
- SAN
2 stops37h 05m
Frontier
Deal found 2/25![Frontier logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/166:25 am
SAN
- SJU
1 stop25h 42m
Multiple Airlines
mar. 3/247:54 pm
SJU
- SAN
2 stops48h 44m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 2/23. 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.
lun. 3/239:40 pm
SAN
- SJU
1 stop14h 55m
Southwest
jue. 3/267:00 am
SJU
- SAN
1 stop16h 10m
Southwest
Deal found 2/23![Southwest logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/266:55 am
SAN
- SJU
1 stop25h 12m
Multiple Airlines
jue. 4/26:07 pm
SJU
- SAN
2 stops32h 55m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$466
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/306:25 am
SAN
- SJU
2 stops14h 33m
Multiple Airlines
jue. 4/26:55 pm
SJU
- SAN
1 stop31h 49m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/318:25 am
SAN
- SJU
2 stops23h 28m
Multiple Airlines
jue. 4/96:55 pm
SJU
- SAN
1 stop31h 49m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/318:25 am
SAN
- SJU
2 stops23h 28m
Multiple Airlines
mié. 4/86:55 pm
SJU
- SAN
1 stop31h 59m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/311:01 pm
SAN
- SJU
1 stop16h 59m
American Airlines
jue. 4/97:00 pm
SJU
- SAN
1 stop19h 53m
American Airlines
Deal found 2/23![American Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 2/25. 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.
mar. 3/318:35 am
SAN
- SJU
1 stop10h 40m
Southwest
jue. 4/27:00 am
SJU
- SAN
1 stop16h 10m
Southwest
Deal found 2/25![Southwest logo]()
$460
One-way flights from San Diego to San JuanSearch for one-way flight options from San Diego to San Juan. Find affordable one-way fares based on user searches. Data last updated febrero 26, 2026.
Search for one-way flight options from San Diego to San Juan. Find affordable one-way fares based on user searches. Data last updated febrero 26, 2026.
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/210:20 pm
SAN
- SJU
1 stop10h 44m
United Airlines
Deal found 2/24![United Airlines logo]()
$126
This American Airlines deal was found by Cheapflights users on 2/25. 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.
lun. 4/279:45 pm
SAN
- SJU
1 stop11h 18m
American Airlines
Deal found 2/25![American Airlines logo]()
$129
This Trip.com deal was found by Cheapflights users on 2/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/316:25 am
SAN
- SJU
2 stops14h 33m
Frontier
Deal found 2/23![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/309:58 pm
SAN
- SJU
2 stops23h 59m
Frontier
Deal found 2/25![Frontier logo]()
$153
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/226:20 am
SAN
- SJU
2 stops14h 30m
United Airlines
Deal found 2/24![United Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/2210:30 am
SAN
- SJU
2 stops28h 37m
Frontier
Deal found 2/23![Frontier logo]()
$160
This Delta deal was found by Cheapflights users on 2/24. 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.
vie. 4/1010:30 pm
SAN
- SJU
1 stop9h 20m
Delta
Deal found 2/24![Delta logo]()
$163
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/278:37 pm
SAN
- SJU
2 stops12h 57m
United Airlines
Deal found 2/24![United Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/309:58 pm
SAN
- SJU
2 stops42h 52m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$178
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/306:15 am
SAN
- SJU
1 stop11h 23m
United Airlines
Deal found 2/25![United Airlines logo]()
$181
This American Airlines deal was found by Cheapflights users on 2/25. 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.
mié. 4/224:41 pm
SAN
- SJU
1 stop8h 51m
American Airlines
Deal found 2/25![American Airlines logo]()
$182
Find flight deals from San Diego to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 febrero 26, 2026.
Round-trip from | $360 (Kiwi.com) |
|---|---|
One-way from | $126 (United Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $572 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 febrero 26, 2026.
Use the filters below to find and compare flights from San Diego to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
lun. 5/11
10:35 am-11:55 pm
2 stops10h 20m
San Juan Luis Munoz Marin Intl
lun. 5/18
6:50 am-8:10 pm
1 stop16h 20m
$364
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
sáb. 4/25
5:00 pm-12:34 pm
2 stops16h 34m
San Juan Luis Munoz Marin Intl
mié. 4/29
7:20 am-6:51 pm
2 stops14h 31m
$379
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
sáb. 5/9
8:45 pm-12:34 pm
2 stops12h 49m
San Juan Luis Munoz Marin Intl
vie. 5/15
1:40 pm-10:16 pm
1 stop11h 36m
$416
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
mar. 5/12
7:00 am-11:50 pm
2 stops13h 50m
San Juan Luis Munoz Marin Intl
vie. 5/15
1:40 pm-10:16 pm
1 stop11h 36m
$416
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
mar. 3/24
9:55 pm-11:46 am
1 stop10h 51m
San Juan Luis Munoz Marin Intl
mar. 3/31
2:44 pm-11:09 pm
1 stop11h 25m
$471
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
jue. 5/21
7:00 pm-9:10 am
2 stops11h 10m
San Juan Luis Munoz Marin Intl
jue. 5/28
2:00 pm-11:25 pm
2 stops12h 25m
$500
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
mié. 5/27
7:35 pm-9:10 am
2 stops10h 35m
San Juan Luis Munoz Marin Intl
dom. 5/31
9:45 pm-8:55 am
1 stop14h 10m
$504
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
jue. 4/16
10:30 pm-1:25 pm
1 stop11h 55m
San Juan Luis Munoz Marin Intl
lun. 4/20
2:45 pm-11:25 pm
1 stop11h 40m
$545
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
dom. 5/10
6:05 pm-12:04 pm
2 stops14h 59m
San Juan Luis Munoz Marin Intl
vie. 5/15
1:25 pm-11:59 pm
2 stops13h 34m
$594
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
sáb. 3/7
5:30 pm-12:54 pm
2 stops15h 24m
San Juan Luis Munoz Marin Intl
jue. 3/12
1:00 pm-11:09 pm
1 stop13h 09m
$618
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from San Diego to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from San Diego with our price prediction graph.
SAN-PR1
SAN-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 Diego to San Juan
SAN-PR1
SAN-SJU
How far ahead should I book a flight from San Diego to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to San Juan. Price data was last updated on February 20, 2026.
The price you pay for your flight from San Diego to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Diego to San Juan?
Currently, April is the cheapest month in which you can book a flight from San Diego to San Juan (average of $145). Flying from San Diego to San Juan in August is currently the most expensive (average of $355). 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 Diego 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 febrero 26, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from San Diego to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from San Diego 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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Alternative routes for San Diego to San Juan
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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 Diego to San Juan by cabin class
Find flights from San Diego to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and San Juan flights
Browse other San Diego and San Juan flight options. Last updated on febrero 26, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on febrero 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from San Diego to San Juan
Discover the top 8 airlines that operate flights from San Diego 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 febrero 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$176 | Average$517 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$215 | Average$453 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$260 | Average$387 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$295 | Average$467 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$469 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$324 | Average$524 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$380 | Average$585 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$475 | Average$585 | FlexibilityNo cancel fee | On-time75% |