$193+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
Jun 25 — Jul 21
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 May 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 May 26, 2026.
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:20 pm
SAN
- SJU
2 stops17h 36m
Delta
Sat 10/317:30 am
SJU
- SAN
2 stops18h 19m
Delta
Deal found 5/21![Delta logo]()
$386
This American Airlines deal was found by Cheapflights users on 5/25. 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 8/196:19 am
SAN
- SJU
2 stops12h 36m
American Airlines
Mon 8/247:24 pm
SJU
- SAN
1 stop19h 08m
American Airlines
Deal found 5/25![American Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 5/25. 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 9/210:45 pm
SAN
- SJU
1 stop12h 53m
American Airlines
Sat 9/56:00 am
SJU
- SAN
2 stops15h 18m
American Airlines
Deal found 5/25![American Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 5/22. 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.
Wed 10/287:00 am
SAN
- SJU
1 stop13h 56m
Delta
Tue 11/101:55 pm
SJU
- SAN
1 stop11h 46m
Delta
Deal found 5/22![Delta logo]()
$417
This American Airlines deal was found by Cheapflights users on 5/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:44 pm
SAN
- SJU
1 stop18h 02m
American Airlines
Tue 12/86:00 am
SJU
- SAN
1 stop9h 42m
American Airlines
Deal found 5/24![American Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 5/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:32 pm
SAN
- SJU
1 stop9h 07m
American Airlines
Tue 8/47:00 am
SJU
- SAN
1 stop16h 50m
American Airlines
Deal found 5/24![American Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 5/22. 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.
Fri 8/2110:20 pm
SAN
- SJU
2 stops13h 18m
American Airlines
Fri 8/286:00 am
SJU
- SAN
2 stops12h 26m
American Airlines
Deal found 5/22![American Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 5/22. 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.
Wed 11/1110:30 pm
SAN
- SJU
1 stop11h 30m
Delta
Thu 11/197:15 am
SJU
- SAN
2 stops15h 31m
Delta
Deal found 5/22![Delta logo]()
$440
This Southwest deal was found by Cheapflights users on 5/22. 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.
Sat 7/47:35 am
SAN
- SJU
2 stops11h 15m
Southwest
Thu 7/910:20 pm
SJU
- SAN
1 stop13h 50m
Southwest
Deal found 5/22![Southwest logo]()
$448
This Southwest deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:35 am
SAN
- SJU
2 stops11h 30m
Southwest
Mon 9/285:30 am
SJU
- SAN
2 stops15h 40m
Southwest
Deal found 5/21![Southwest logo]()
$450
This American Airlines deal was found by Cheapflights users on 5/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:15 pm
SAN
- SJU
2 stops11h 28m
American Airlines
Tue 8/117:24 pm
SJU
- SAN
1 stop19h 08m
American Airlines
Deal found 5/24![American Airlines logo]()
$454
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 May 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 May 26, 2026.
This Delta deal was found by Cheapflights users on 5/24. 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.
Wed 8/127:02 pm
SAN
- SJU
2 stops18h 31m
Delta
Wed 8/192:59 pm
SJU
- SAN
1 stop11h 01m
Delta
Deal found 5/24![Delta logo]()
$386
This Southwest deal was found by Cheapflights users on 5/22. 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.
Sat 7/47:35 am
SAN
- SJU
2 stops11h 15m
Southwest
Thu 7/910:20 pm
SJU
- SAN
1 stop13h 50m
Southwest
Deal found 5/22![Southwest logo]()
$448
This Delta deal was found by Cheapflights users on 5/24. 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.
Thu 8/139:30 pm
SAN
- SJU
1 stop11h 16m
Delta
Thu 8/202:59 pm
SJU
- SAN
1 stop9h 04m
Delta
Deal found 5/24![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:10 pm
SAN
- SJU
1 stop10h 58m
Delta
Sat 9/51:06 pm
SJU
- SAN
1 stop9h 52m
Delta
Deal found 5/21![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 5/23. 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.
Wed 9/96:15 am
SAN
- SJU
2 stops13h 08m
Delta
Mon 9/142:26 pm
SJU
- SAN
1 stop11h 29m
Delta
Deal found 5/23![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 5/24. 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.
Thu 8/2010:30 pm
SAN
- SJU
1 stop10h 16m
Delta
Thu 8/272:59 pm
SJU
- SAN
1 stop9h 04m
Delta
Deal found 5/24![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 5/24. 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.
Sun 8/1610:30 pm
SAN
- SJU
1 stop10h 16m
Delta
Sun 8/231:19 pm
SJU
- SAN
1 stop13h 24m
Delta
Deal found 5/24![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/210:15 pm
SAN
- SJU
1 stop11h 40m
Delta
Fri 8/72:11 pm
SJU
- SAN
1 stop11h 05m
Delta
Deal found 5/21![Delta logo]()
$471
This Delta deal was found by Cheapflights users on 5/22. 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.
Fri 7/310:30 pm
SAN
- SJU
1 stop10h 14m
Delta
Sat 7/116:05 am
SJU
- SAN
1 stop10h 03m
Delta
Deal found 5/22![Delta logo]()
$521
Last-minute flights from San Diego to San JuanDiscover last-minute flight deals from San Diego to San Juan. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to San Juan. Data last updated May 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:32 am
SAN
- SJU
1 stop9h 52m
United Airlines
Fri 6/261:00 am
SJU
- SAN
1 stop11h 21m
United Airlines
Deal found 5/23![United Airlines logo]()
$536
This Faresmojo deal was found by Cheapflights users on 5/22. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:25 pm
SAN
- SJU
1 stop12h 13m
JetBlue
Thu 6/112:14 pm
SJU
- SAN
1 stop10h 56m
JetBlue
Deal found 5/22![JetBlue logo]()
$498
This Delta deal was found by Cheapflights users on 5/22. 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.
Fri 6/55:01 pm
SAN
- SJU
2 stops16h 00m
Delta
Thu 6/112:14 pm
SJU
- SAN
1 stop10h 56m
Delta
Deal found 5/22![Delta logo]()
$567
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:30 pm
SAN
- SJU
1 stop8h 59m
United Airlines
Sat 6/131:00 am
SJU
- SAN
1 stop11h 21m
United Airlines
Deal found 5/23![United Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:15 am
SAN
- SJU
1 stop13h 45m
American Airlines
Tue 6/1610:29 am
SJU
- SAN
1 stop14h 50m
American Airlines
Deal found 5/22![American Airlines logo]()
$530
This American Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 6/106:15 am
SAN
- SJU
1 stop14h 24m
American Airlines
Wed 6/1710:29 am
SJU
- SAN
1 stop14h 50m
American Airlines
Deal found 5/22![American Airlines logo]()
$563
This American Airlines deal was found by Cheapflights users on 5/23. 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.
Mon 6/1510:26 pm
SAN
- SJU
1 stop9h 36m
American Airlines
Sun 6/2112:44 am
SJU
- SAN
1 stop10h 38m
American Airlines
Deal found 5/23![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:33 pm
SAN
- SJU
1 stop8h 52m
American Airlines
Tue 6/306:01 am
SJU
- SAN
2 stops12h 26m
American Airlines
Deal found 5/22![American Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:15 am
SAN
- SJU
1 stop11h 23m
United Airlines
Fri 6/261:00 am
SJU
- SAN
1 stop11h 21m
United Airlines
Deal found 5/23![United Airlines logo]()
$496
This Southwest deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/287:30 pm
SAN
- SJU
2 stops12h 15m
Southwest
Thu 7/28:15 pm
SJU
- SAN
1 stop15h 55m
Southwest
Deal found 5/21![Southwest logo]()
$564
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/285:30 pm
SAN
- SJU
1 stop8h 59m
United Airlines
Wed 7/12:05 am
SJU
- SAN
1 stop11h 46m
United Airlines
Deal found 5/21![United Airlines logo]()
$579
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 May 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 May 26, 2026.
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:15 pm
SAN
- SJU
1 stop11h 56m
Delta
Deal found 5/22![Delta logo]()
$193
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:15 am
SAN
- SJU
1 stop11h 28m
Delta
Deal found 5/22![Delta logo]()
$224
This Delta deal was found by Cheapflights users on 5/26. 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.
Mon 7/66:09 pm
SAN
- SJU
2 stops16h 23m
Delta
Deal found 5/26![Delta logo]()
$230
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:55 pm
SAN
- SJU
2 stops14h 09m
United Airlines
Deal found 5/23![United Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Sun 6/285:30 pm
SAN
- SJU
1 stop8h 59m
United Airlines
Deal found 5/25![United Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 5/22. 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.
Tue 6/3010:30 pm
SAN
- SJU
1 stop10h 14m
Delta
Deal found 5/22![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 5/25. 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.
Tue 7/287:15 am
SAN
- SJU
1 stop11h 50m
Southwest
Deal found 5/25![Southwest logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:03 pm
SAN
- SJU
2 stops30h 25m
Frontier
Deal found 5/22![Frontier logo]()
$281
This Southwest deal was found by Cheapflights users on 5/22. 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.
Mon 7/276:20 am
SAN
- SJU
1 stop15h 15m
Southwest
Deal found 5/22![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 5/22. 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.
Sat 7/259:20 am
SAN
- SJU
1 stop10h 45m
Southwest
Deal found 5/22![Southwest logo]()
$289
This American Airlines deal was found by Cheapflights users on 5/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:15 pm
SAN
- SJU
2 stops12h 49m
American Airlines
Deal found 5/24![American Airlines logo]()
$293
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 May 26, 2026.
Round-trip from | $386 (Delta) |
|---|---|
One-way from | $193 (Delta) |
Popular in | December |
Cheapest in | October |
Average price | $474 |
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 May 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
Cheapest round-trip
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Wed 8/12
7:02 pm-4:33 pm
2 stops18h 31m
San Juan Luis Munoz Marin Intl
Wed 8/19
2:59 pm-11:00 pm
1 stop11h 01m
$386
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Thu 8/13
9:30 pm-11:46 am
1 stop11h 16m
San Juan Luis Munoz Marin Intl
Thu 8/20
2:59 pm-9:03 pm
1 stop9h 04m
$386
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Wed 9/2
10:10 pm-12:08 pm
1 stop10h 58m
San Juan Luis Munoz Marin Intl
Sat 9/5
1:06 pm-7:58 pm
1 stop9h 52m
$386
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Wed 9/9
6:15 am-10:23 pm
2 stops13h 08m
San Juan Luis Munoz Marin Intl
Mon 9/14
2:26 pm-10:55 pm
1 stop11h 29m
$386
Quickest round-trip
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Thu 8/20
10:30 pm-11:46 am
1 stop10h 16m
San Juan Luis Munoz Marin Intl
Thu 8/27
2:59 pm-9:03 pm
1 stop9h 04m
$386
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Sun 8/16
10:30 pm-11:46 am
1 stop10h 16m
San Juan Luis Munoz Marin Intl
Sun 8/23
1:19 pm-11:43 pm
1 stop13h 24m
$417
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Sat 7/4
7:35 am-9:50 pm
2 stops11h 15m
San Juan Luis Munoz Marin Intl
Thu 7/9
10:20 pm-9:10 am
1 stop13h 50m
$448
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Sun 8/2
10:15 pm-12:55 pm
1 stop11h 40m
San Juan Luis Munoz Marin Intl
Fri 8/7
2:11 pm-10:16 pm
1 stop11h 05m
$471
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Fri 7/3
10:30 pm-11:44 am
1 stop10h 14m
San Juan Luis Munoz Marin Intl
Sat 7/11
6:05 am-1:08 pm
1 stop10h 03m
$521
Cheapest one-way
San DiegoSan Juan
SAN - SJU
SANSJU
San Diego
Wed 8/5
3:10 pm-5:29 am
1 stop11h 19m
$193
Showing 1-10 of 16 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
What is the cheapest month to book a flight from San Diego to San Juan?
Currently, September 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 February is currently the most expensive (average of $273). 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?
How far ahead should I book a flight from San Diego to San Juan?
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 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 May 26, 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.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from San 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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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 May 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 May 26, 2026.
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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 May 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$460 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$441 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$505 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$283 | Average$450 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$295 | Average$468 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$519 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$382 | Average$563 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$426 | Average$595 | FlexibilityNo cancel fee | On-time75% |