$133+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
Apr 29 — May 61
Round-trip
1 adult, Economy
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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 March 30, 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 March 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/136:45 am
SAN
- SJU
1 stop25h 22m
Multiple Airlines
Fri 4/175:45 am
SJU
- SAN
1 stop20h 44m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/206:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Mon 5/252:37 pm
SJU
- SAN
2 stops21h 05m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/206:25 am
SAN
- SJU
1 stop28h 07m
Multiple Airlines
Sun 5/242:37 pm
SJU
- SAN
2 stops21h 05m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 4/142:12 pm
SAN
- SJU
2 stops24h 47m
Multiple Airlines
Sun 4/195:45 am
SJU
- SAN
1 stop21h 26m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 4/142:12 pm
SAN
- SJU
2 stops24h 47m
Multiple Airlines
Fri 4/245:45 am
SJU
- SAN
1 stop20h 44m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/226:40 am
SAN
- SJU
1 stop11h 11m
American Airlines
Thu 4/301:31 pm
SJU
- SAN
1 stop11h 57m
American Airlines
Deal found 3/25![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 5/289:05 pm
SAN
- SJU
1 stop11h 59m
United Airlines
Mon 6/11:00 am
SJU
- SAN
1 stop11h 21m
United Airlines
Deal found 3/25![United Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/206:25 am
SAN
- SJU
1 stop13h 45m
Multiple Airlines
Tue 8/188:00 am
SJU
- SAN
2 stops18h 53m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 5/199:37 am
SAN
- SJU
2 stops28h 49m
Multiple Airlines
Sun 5/245:45 am
SJU
- SAN
1 stop15h 48m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Thu 5/281:38 pm
SAN
- SJU
2 stops25h 43m
Multiple Airlines
Tue 6/212:00 pm
SJU
- SAN
1 stop33h 33m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/1512:29 pm
SAN
- SJU
2 stops31h 41m
Multiple Airlines
Sun 4/195:45 am
SJU
- SAN
1 stop21h 26m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Thu 4/167:52 am
SAN
- SJU
1 stop12h 18m
Multiple Airlines
Thu 4/235:45 am
SJU
- SAN
1 stop21h 31m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$380
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 March 30, 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 March 30, 2026.
This Delta deal was found by Cheapflights users on 3/25. 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.
Mon 5/1810:25 pm
SAN
- SJU
1 stop10h 36m
Delta
Wed 6/32:35 pm
SJU
- SAN
2 stops12h 06m
Delta
Deal found 3/25![Delta logo]()
$386
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 4/278:37 pm
SAN
- SJU
2 stops14h 08m
United Airlines
Fri 5/11:25 pm
SJU
- SAN
2 stops13h 34m
United Airlines
Deal found 3/26![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 3/25. 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.
Mon 4/207:12 pm
SAN
- SJU
2 stops13h 33m
Delta
Fri 4/242:45 pm
SJU
- SAN
1 stop11h 40m
Delta
Deal found 3/25![Delta logo]()
$386
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Sat 5/26:20 am
SAN
- SJU
2 stops11h 18m
United Airlines
Mon 5/41:00 am
SJU
- SAN
2 stops13h 25m
United Airlines
Deal found 3/26![United Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:15 am
SAN
- SJU
2 stops13h 57m
Delta
Wed 4/292:45 pm
SJU
- SAN
1 stop11h 40m
Delta
Deal found 3/26![Delta logo]()
$441
This United Airlines deal was found by Cheapflights users on 3/29. 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 5/26:20 am
SAN
- SJU
2 stops11h 18m
United Airlines
Tue 5/51:00 am
SJU
- SAN
2 stops13h 25m
United Airlines
Deal found 3/29![United Airlines logo]()
$476
This Delta deal was found by Cheapflights users on 3/25. 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.
Mon 5/117:10 pm
SAN
- SJU
2 stops15h 28m
Delta
Mon 5/182:35 pm
SJU
- SAN
1 stop10h 25m
Delta
Deal found 3/25![Delta logo]()
$441
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:30 am
SAN
- SJU
1 stop13h 05m
Delta
Fri 6/51:16 pm
SJU
- SAN
1 stop13h 26m
Delta
Deal found 3/26![Delta logo]()
$441
This Delta deal was found by Cheapflights users on 3/29. 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.
Fri 5/293:45 pm
SAN
- SJU
2 stops21h 44m
Delta
Thu 6/42:35 pm
SJU
- SAN
1 stop10h 25m
Delta
Deal found 3/29![Delta logo]()
$444
Last-minute flights from San Diego to San JuanDiscover last-minute flight deals from San Diego to San Juan. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to San Juan. Data last updated March 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/136:45 am
SAN
- SJU
1 stop25h 22m
Multiple Airlines
Fri 4/175:45 am
SJU
- SAN
1 stop20h 44m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/136:45 am
SAN
- SJU
1 stop25h 22m
Multiple Airlines
Mon 4/207:00 am
SJU
- SAN
2 stops40h 04m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 4/142:12 pm
SAN
- SJU
2 stops24h 47m
Multiple Airlines
Sun 4/195:45 am
SJU
- SAN
1 stop21h 26m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 4/142:12 pm
SAN
- SJU
2 stops24h 47m
Multiple Airlines
Fri 4/245:45 am
SJU
- SAN
1 stop20h 44m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/1512:29 pm
SAN
- SJU
2 stops31h 41m
Multiple Airlines
Sun 4/195:45 am
SJU
- SAN
1 stop21h 26m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Thu 4/167:52 am
SAN
- SJU
1 stop12h 18m
Multiple Airlines
Thu 4/235:45 am
SJU
- SAN
1 stop21h 31m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Thu 4/167:52 am
SAN
- SJU
1 stop12h 18m
Multiple Airlines
Sun 4/195:45 am
SJU
- SAN
1 stop21h 26m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Thu 4/167:52 am
SAN
- SJU
1 stop12h 18m
Multiple Airlines
Fri 4/245:45 am
SJU
- SAN
1 stop20h 44m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/206:25 am
SAN
- SJU
1 stop13h 45m
Multiple Airlines
Tue 8/188:00 am
SJU
- SAN
2 stops18h 53m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/226:40 am
SAN
- SJU
1 stop11h 11m
American Airlines
Thu 4/301:31 pm
SJU
- SAN
1 stop11h 57m
American Airlines
Deal found 3/25![American Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/267:20 am
SAN
- SJU
1 stop12h 50m
Multiple Airlines
Sun 5/35:45 am
SJU
- SAN
1 stop21h 13m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 3/28. 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 4/279:45 pm
SAN
- SJU
1 stop11h 00m
Delta
Tue 5/56:15 am
SJU
- SAN
2 stops17h 27m
Delta
Deal found 3/28![Delta logo]()
$386
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 March 30, 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 March 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/2812:12 pm
SAN
- SJU
2 stops33h 17m
Frontier
Deal found 3/29![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/86:25 am
SAN
- SJU
2 stops28h 36m
Frontier
Deal found 3/27![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/2910:30 am
SAN
- SJU
2 stops34h 59m
Frontier
Deal found 3/29![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/126:45 am
SAN
- SJU
2 stops38h 13m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/1412:29 pm
SAN
- SJU
3 stops27h 53m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/136:45 am
SAN
- SJU
1 stop25h 22m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/1012:09 pm
SAN
- SJU
2 stops16h 55m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/412:25 pm
SAN
- SJU
2 stops22h 36m
Frontier
Deal found 3/29![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/112:25 pm
SAN
- SJU
2 stops32h 04m
Frontier
Deal found 3/29![Frontier logo]()
$178
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 March 30, 2026.
Round-trip from | $353 (Kiwi.com) |
|---|---|
One-way from | $133 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $568 |
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 March 30, 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
Cheapest round-trip
Quickest round-trip
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Mon 5/18
10:25 pm-12:01 pm
1 stop10h 36m
San Juan Luis Munoz Marin Intl
Wed 6/3
2:35 pm-11:41 pm
2 stops12h 06m
$386
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Mon 4/20
7:12 pm-11:45 am
2 stops13h 33m
San Juan Luis Munoz Marin Intl
Fri 4/24
2:45 pm-11:25 pm
1 stop11h 40m
$386
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Mon 4/27
8:37 pm-1:45 pm
2 stops14h 08m
San Juan Luis Munoz Marin Intl
Fri 5/1
1:25 pm-11:59 pm
2 stops13h 34m
$424
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Sat 5/2
6:20 am-8:38 pm
2 stops11h 18m
San Juan Luis Munoz Marin Intl
Mon 5/4
1:00 am-11:25 am
2 stops13h 25m
$430
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Wed 4/22
6:15 am-11:12 pm
2 stops13h 57m
San Juan Luis Munoz Marin Intl
Wed 4/29
2:45 pm-11:25 pm
1 stop11h 40m
$441
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Mon 5/11
7:10 pm-1:38 pm
2 stops15h 28m
San Juan Luis Munoz Marin Intl
Mon 5/18
2:35 pm-10:00 pm
1 stop10h 25m
$441
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Sat 5/30
7:30 am-11:35 pm
1 stop13h 05m
San Juan Luis Munoz Marin Intl
Fri 6/5
1:16 pm-11:42 pm
1 stop13h 26m
$441
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Fri 5/29
3:45 pm-4:29 pm
2 stops21h 44m
San Juan Luis Munoz Marin Intl
Thu 6/4
2:35 pm-10:00 pm
1 stop10h 25m
$444
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Sat 5/2
6:20 am-8:38 pm
2 stops11h 18m
San Juan Luis Munoz Marin Intl
Tue 5/5
1:00 am-11:25 am
2 stops13h 25m
$476
Cheapest one-way
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Sat 5/2
6:15 am-8:38 pm
1 stop11h 23m
$193
Showing 1-10 of 20 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 March 13, 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 $141). Flying from San Diego to San Juan in June is currently the most expensive (average of $376). 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 March 30, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta 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.
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
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 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 March 30, 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 March 30, 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 March 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$176 | Average$513 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$215 | Average$463 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$260 | Average$444 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$269 | Average$486 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$295 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$312 | Average$522 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$382 | Average$565 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$475 | Average$589 | FlexibilityNo cancel fee | On-time75% |