$117+ Cheap flights from Pennsylvania to San Diego (SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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Find cheap flights from Pennsylvania to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Pennsylvania to San DiegoExplore the most affordable flight options available from Pennsylvania to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
Explore the most affordable flight options available from Pennsylvania to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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.
Sat 10/176:30 am -
2 stops8h 50m
Wed 10/2110:40 pm -
1 stop8h 25m
Deal found 9/17![Southwest logo]()
$286
This Southwest deal was found by Cheapflights users on 9/15. 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.
Fri 11/66:00 am -
2 stops9h 15m
Tue 11/1012:35 pm -
2 stops7h 50m
Deal found 9/15![Southwest logo]()
$288
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:50 pm -
1 stop6h 30m
Mon 10/2611:40 am -
1 stop9h 10m
Deal found 9/13![Southwest logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop8h 20m
Sat 10/1710:06 am -
1 stop8h 10m
Deal found 9/17![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:26 am -
1 stop11h 03m
Thu 12/1011:50 am -
1 stop8h 29m
Deal found 9/15![American Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop8h 20m
Sat 10/106:20 am -
1 stop7h 35m
Deal found 9/16![American Airlines logo]()
$294
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop8h 40m
Tue 11/106:30 am -
1 stop9h 55m
Deal found 9/13![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:12 am -
1 stop8h 31m
Tue 1/57:00 am -
2 stops8h 32m
Deal found 9/17![United Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 9/15. 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.
Fri 12/44:00 pm -
1 stop7h 55m
Thu 12/1012:35 pm -
2 stops7h 45m
Deal found 9/15![Southwest logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:30 am -
1 stop29h 22m
Wed 11/46:25 am -
2 stops21h 46m
Deal found 9/13![Multiple Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:32 am -
1 stop6h 48m
Thu 10/296:15 am -
1 stop7h 36m
Deal found 9/16![Delta logo]()
$300
This Southwest deal was found by Cheapflights users on 9/16. 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.
Mon 11/96:00 am -
2 stops9h 15m
Fri 11/1312:10 pm -
2 stops7h 25m
Deal found 9/16![Southwest logo]()
$303
Best flights from Pennsylvania to San DiegoDiscover carefully curated flight deals from Pennsylvania to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
Discover carefully curated flight deals from Pennsylvania to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:11 pm -
1 stop9h 35m
Thu 10/2912:38 pm -
1 stop8h 58m
Deal found 9/17![Delta logo]()
$291
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:55 am -
1 stop9h 20m
Tue 11/106:30 am -
2 stops11h 20m
Deal found 9/13![Southwest logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:32 am -
1 stop8h 18m
Wed 11/1112:41 pm -
1 stop7h 59m
Deal found 9/16![Alaska Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:35 pm -
Nonstop5h 22m
Sun 11/19:45 pm -
Nonstop4h 42m
Deal found 9/17![United Airlines logo]()
$357
This JetBlue deal was found by Cheapflights users on 9/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:04 am -
Nonstop5h 59m
Tue 10/278:26 pm -
1 stop9h 05m
Deal found 9/15![JetBlue logo]()
$362
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:53 pm -
1 stop7h 44m
Thu 11/59:25 pm -
1 stop9h 02m
Deal found 9/16![American Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:40 am -
Nonstop5h 10m
Mon 10/2610:40 pm -
1 stop8h 35m
Deal found 9/13![Southwest logo]()
$305
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sun 11/15:50 pm -
1 stop6h 30m
Sat 11/76:45 am -
2 stops10h 05m
Deal found 9/16![Southwest logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:30 pm -
Nonstop6h 16m
Wed 11/188:24 am -
Nonstop5h 30m
Deal found 9/17![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/67:00 am -
1 stop8h 18m
Sat 10/107:41 pm -
2 stops11h 13m
Deal found 9/16![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
1 stop7h 27m
Sat 12/57:20 am -
2 stops13h 03m
Deal found 9/15![Delta logo]()
$361
This JetBlue deal was found by Cheapflights users on 9/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:40 am -
1 stop9h 16m
Tue 11/1011:48 am -
Nonstop5h 25m
Deal found 9/15![JetBlue logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:00 am -
2 stops17h 48m
Sat 11/71:10 pm -
2 stops15h 15m
Deal found 9/15![Alaska Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 9/15. 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.
Mon 11/910:55 am -
Nonstop5h 10m
Sat 11/147:15 am -
1 stop9h 35m
Deal found 9/15![Southwest logo]()
$332
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:45 pm -
Nonstop5h 43m
Sun 11/86:30 pm -
1 stop7h 49m
Deal found 9/13![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 9/18. 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.
Tue 10/273:03 pm -
1 stop9h 59m
Sun 11/12:10 pm -
1 stop7h 32m
Deal found 9/18![Delta logo]()
$367
This JetBlue deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:00 am -
Nonstop6h 18m
Tue 12/110:35 am -
1 stop10h 17m
Deal found 9/13![JetBlue logo]()
$387
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 pm -
1 stop9h 15m
Tue 10/1310:40 pm -
1 stop8h 35m
Deal found 9/13![Southwest logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:30 pm -
Nonstop6h 16m
Tue 11/1710:51 am -
1 stop16h 39m
Deal found 9/13![Alaska Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:45 pm -
Nonstop5h 43m
Tue 11/312:39 pm -
1 stop7h 36m
Deal found 9/13![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:28 pm -
1 stop8h 44m
Sun 11/810:25 pm -
1 stop7h 44m
Deal found 9/15![Delta logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:24 pm -
Nonstop5h 29m
Tue 11/32:48 pm -
1 stop11h 56m
Deal found 9/13![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:45 am -
1 stop8h 18m
Sun 12/1310:10 pm -
1 stop7h 35m
Deal found 9/15![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 9/16. 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.
Thu 11/266:05 am -
2 stops10h 35m
Tue 1/512:35 pm -
2 stops7h 45m
Deal found 9/16![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am -
Nonstop5h 49m
Wed 10/216:50 pm -
1 stop7h 53m
Deal found 9/17![United Airlines logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:38 am -
1 stop11h 14m
Fri 10/309:46 am -
Nonstop5h 04m
Deal found 9/15![Alaska Airlines logo]()
$367
This JetBlue deal was found by Cheapflights users on 9/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:25 pm -
Nonstop6h 14m
Fri 12/49:29 pm -
1 stop8h 17m
Deal found 9/15![JetBlue logo]()
$447
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:35 am -
1 stop7h 20m
Fri 11/2010:30 pm -
1 stop8h 27m
Deal found 9/13![Delta logo]()
$375
This Southwest deal was found by Cheapflights users on 9/18. 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.
Wed 11/185:50 am -
2 stops8h 35m
Sun 11/2210:40 pm -
1 stop8h 40m
Deal found 9/18![Southwest logo]()
$351
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Tue 11/173:00 pm -
1 stop8h 33m
Wed 12/3010:40 pm -
1 stop8h 08m
Deal found 9/18![United Airlines logo]()
$399
Last-minute flights from Pennsylvania to San DiegoDiscover last-minute flight deals from Pennsylvania to San Diego. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to San Diego. Data last updated September 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop8h 20m
Sat 10/106:20 am -
1 stop7h 35m
Deal found 9/16![American Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop8h 20m
Sat 10/1710:06 am -
1 stop8h 10m
Deal found 9/17![American Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 9/15. 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.
Tue 10/137:10 pm -
1 stop7h 00m
Tue 10/2012:15 pm -
2 stops7h 40m
Deal found 9/15![Southwest logo]()
$315
This Southwest deal was found by Cheapflights users on 9/16. 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 10/167:35 pm -
1 stop7h 20m
Fri 10/2310:40 pm -
1 stop8h 45m
Deal found 9/16![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 9/17. 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.
Sat 10/176:30 am -
2 stops8h 50m
Wed 10/2110:40 pm -
1 stop8h 25m
Deal found 9/17![Southwest logo]()
$286
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:01 pm -
1 stop10h 18m
Sat 10/2410:06 am -
1 stop8h 23m
Deal found 9/17![American Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:50 pm -
1 stop6h 30m
Mon 10/2611:40 am -
1 stop9h 10m
Deal found 9/13![Southwest logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop7h 27m
Thu 10/2911:58 am -
1 stop9h 33m
Deal found 9/15![American Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:32 am -
1 stop6h 48m
Thu 10/296:15 am -
1 stop7h 36m
Deal found 9/16![Delta logo]()
$300
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
1 stop7h 27m
Sat 10/3110:20 am -
1 stop9h 51m
Deal found 9/15![American Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:30 am -
1 stop29h 22m
Wed 11/46:25 am -
2 stops21h 46m
Deal found 9/13![Multiple Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop8h 40m
Tue 11/106:30 am -
1 stop9h 55m
Deal found 9/13![Southwest logo]()
$295
One-way flights from Pennsylvania to San DiegoSearch for one-way flight options from Pennsylvania to San Diego. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
Search for one-way flight options from Pennsylvania to San Diego. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:36 pm -
2 stops14h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:50 am -
1 stop21h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$120
This Southwest deal was found by Cheapflights users on 9/14. 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 10/145:25 pm -
1 stop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:22 pm -
2 stops33h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:30 am -
2 stops18h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$127
This Southwest deal was found by Cheapflights users on 9/17. 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.
Sat 12/51:10 pm -
2 stops9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/135:50 am -
1 stop21h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:32 pm -
2 stops33h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:50 am -
1 stop21h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:22 pm -
2 stops25h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$132
This Southwest deal was found by Cheapflights users on 9/15. 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 10/297:50 pm -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 9/14. 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.
Mon 10/197:50 pm -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$135
Find flight deals from Pennsylvania to San Diego
Keep the following information in mind while searching for Pennsylvania to San Diego flight deals. Data was last updated September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $286 (Southwest) |
One-way from | $117 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $498 |
Good round-trip deal | $343 or less |
Good one-way deal | $224 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania 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 7,457,451 searches. Data last updated September 19, 2026.
Use the filters below to find and compare flights from Pennsylvania to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Wed 12/16
3:14 pm-9:19 pm
1 stop9h 05m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$139
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Thu 12/17
7:14 pm-11:59 pm
1 stop7h 45m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$139
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Tue 10/20
5:46 pm-11:55 pm
1 stop9h 09m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$146
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Tue 11/17
5:08 pm-10:34 pm
1 stop8h 26m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$146
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Tue 10/13
6:00 am-10:20 am
1 stop7h 20m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$154
PhiladelphiaSan Diego
PHL Philadelphia - SAN San Diego
PHLSAN
Philadelphia
Tue 12/8
7:30 am-12:35 pm
1 stop8h 05m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$155
PhiladelphiaSan Diego
PHL Philadelphia - SAN San Diego
PHLSAN
Philadelphia
Tue 11/3
5:00 am-10:10 am
1 stop8h 10m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$155
PhiladelphiaSan Diego
PHL Philadelphia - SAN San Diego
PHLSAN
Philadelphia
Tue 10/13
6:35 pm-11:10 pm
1 stop7h 35m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$155
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Mon 10/19
5:50 am-11:13 am
1 stop8h 23m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$155
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Fri 10/23
10:32 am-2:20 pm
1 stop6h 48m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$155
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Pennsylvania with our price prediction graph.
PIT-SAN
LGA-SAN
PHL-SAN
JFK-SAN
DCA-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 Pennsylvania to San Diego
USPA-SAN
PIT-SAN
LGA-SAN
PHL-SAN
JFK-SAN
What is the cheapest month to book a flight from Pennsylvania to San Diego?
Currently, January is the cheapest month in which you can book a flight from Pennsylvania to San Diego (average of $404). Flying from Pennsylvania to San Diego in June is currently the most expensive (average of $514). 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.
What is the cheapest time of day to fly from PA to SAN?
Find hourly flight availability from Pennsylvania to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 18% on flights from Pennsylvania to San Diego by exploring options for tickets in the morning.
Weekly flight availability from Pennsylvania to San Diego
Explore weekly flight availability from Pennsylvania to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 19, 2026.
The most flights from USPA to SAN are scheduled on a Tuesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Pennsylvania to San Diego?
Airfare is below average for this route at the moment.
Pennsylvania to San Diego flights typically cost between $404 and $601 in November.The cheapest round-trip price found within the last 5 days was $352 on Southwest (Nov 5-Nov 10).
How far ahead should I book a flight from Pennsylvania to San Diego?
The price you pay for your flight from Pennsylvania to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania 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
Coronado
San Ysidro
Poway
La Mesa
Santee
Julian
Lemon Grove
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Pennsylvania to San Diego
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Complete your trip
Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pennsylvania to San Diego by cabin class
Find flights from Pennsylvania to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and San Diego flights
Browse other Pennsylvania and San Diego flight options. Last updated on September 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 19, 2026.
Pennsylvania to San Diego flights
Consider these flights traveling from Pennsylvania to San Diego.
Top 7 airlines flying from Pennsylvania to San Diego
Discover the top 7 airlines that operate flights from Pennsylvania 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 7,457,451 searches. Data last updated September 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$142 | Average$431 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$298 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$184 | Average$299 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$243 | Average$363 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$250 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$502 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$445 | FlexibilityNo cancel fee | On-time63% |