$124+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Nov 18 — Nov 251
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 October 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 October 19, 2026.
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:34 pm -
1 stop8h 01m
Fri 11/201:36 pm -
1 stop7h 06m
Deal found 10/19![American Airlines logo]()
$301
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:26 am -
1 stop11h 03m
Sun 11/159:25 pm -
1 stop9h 43m
Deal found 10/19![American Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 10/18. 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.
Mon 11/97:55 pm -
1 stop6h 55m
Sun 11/1510:40 pm -
1 stop9h 00m
Deal found 10/18![Southwest logo]()
$309
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:00 am -
1 stop9h 09m
Tue 11/101:05 pm -
1 stop6h 41m
Deal found 10/19![American Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:35 am -
1 stop7h 20m
Thu 11/2610:30 pm -
1 stop8h 32m
Deal found 10/19![Delta logo]()
$318
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:51 am -
1 stop7h 17m
Thu 10/2911:17 am -
1 stop8h 35m
Deal found 10/19![American Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 10/18. 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.
Mon 11/97:55 pm -
1 stop6h 55m
Sat 11/149:20 am -
1 stop7h 30m
Deal found 10/18![Southwest logo]()
$326
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:59 pm -
1 stop8h 46m
Mon 11/91:29 pm -
1 stop7h 11m
Deal found 10/19![American Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:38 am -
1 stop8h 30m
Sat 11/219:45 pm -
1 stop9h 35m
Deal found 10/19![American Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:19 am -
2 stops11h 14m
Thu 12/316:15 am -
1 stop9h 08m
Deal found 10/19![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/196:15 am -
1 stop8h 09m
Sun 11/229:25 pm -
1 stop8h 49m
Deal found 10/16![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Tue 11/106:00 am -
1 stop8h 28m
Tue 11/179:18 am -
1 stop10h 05m
Deal found 10/16![American Airlines logo]()
$399
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 October 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 October 19, 2026.
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:10 pm -
2 stops8h 15m
Mon 11/91:45 pm -
1 stop8h 35m
Deal found 10/19![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 10/16. 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.
Tue 12/224:38 pm -
1 stop10h 15m
Mon 12/2810:30 pm -
1 stop8h 24m
Deal found 10/16![Delta logo]()
$372
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am -
1 stop7h 57m
Wed 11/1110:30 pm -
1 stop8h 00m
Deal found 10/19![United Airlines logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 12/96:11 pm -
1 stop18h 49m
Sat 12/128:00 am -
2 stops18h 40m
Deal found 10/17![Alaska Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:01 am -
1 stop7h 38m
Sat 11/71:29 pm -
1 stop7h 24m
Deal found 10/19![American Airlines logo]()
$516
This Southwest deal was found by Cheapflights users on 10/15. 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 11/241:10 pm -
Nonstop5h 10m
Mon 11/3010:40 pm -
1 stop9h 00m
Deal found 10/15![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Thu 12/178:19 am -
1 stop9h 55m
Sat 1/96:50 am -
1 stop9h 21m
Deal found 10/18![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 am -
1 stop8h 08m
Thu 11/196:15 am -
2 stops13h 12m
Deal found 10/14![Delta logo]()
$424
This Southwest deal was found by Cheapflights users on 10/16. 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 11/165:50 am -
2 stops8h 35m
Thu 11/1912:35 pm -
2 stops7h 50m
Deal found 10/16![Southwest logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:02 am -
1 stop10h 45m
Wed 11/47:40 am -
1 stop18h 52m
Deal found 10/19![Alaska Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:15 am -
1 stop8h 31m
Sat 11/2110:30 pm -
1 stop8h 23m
Deal found 10/15![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/16. 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.
Thu 11/126:00 pm -
1 stop8h 32m
Sun 11/1510:10 pm -
2 stops10h 54m
Deal found 10/16![Delta logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/65:49 pm -
1 stop19h 24m
Sun 11/86:15 am -
1 stop20h 17m
Deal found 10/15![Alaska Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 2/243:05 pm -
1 stop8h 43m
Tue 3/210:30 am -
2 stops9h 54m
Deal found 10/17![United Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 10/17. 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.
Thu 12/245:50 am -
2 stops8h 35m
Fri 1/17:10 am -
1 stop12h 35m
Deal found 10/17![Southwest logo]()
$406
This Delta deal was found by Cheapflights users on 10/16. 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 10/236:00 am -
1 stop7h 20m
Sun 11/112:38 pm -
1 stop9h 08m
Deal found 10/16![Delta logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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.
Sat 11/147:02 am -
1 stop11h 48m
Tue 11/1711:32 am -
1 stop15h 00m
Deal found 10/17![Alaska Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 10/16. 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 12/45:35 am -
1 stop8h 00m
Mon 12/711:55 am -
1 stop7h 15m
Deal found 10/16![Southwest logo]()
$407
This American Airlines deal was found by Cheapflights users on 10/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:37 am -
1 stop8h 19m
Thu 11/1912:08 pm -
1 stop9h 09m
Deal found 10/14![American Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/910:10 am -
2 stops13h 32m
Sat 1/166:50 am -
1 stop6h 55m
Deal found 10/15![United Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:10 pm -
Nonstop5h 10m
Fri 11/271:25 pm -
1 stop7h 20m
Deal found 10/19![Southwest logo]()
$411
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Wed 12/28:00 am -
1 stop8h 24m
Mon 12/79:45 pm -
1 stop8h 57m
Deal found 10/16![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 10/14. 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 12/231:45 pm -
1 stop10h 15m
Wed 12/3010:40 pm -
1 stop9h 25m
Deal found 10/14![Southwest logo]()
$422
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop9h 44m
Sat 11/711:31 am -
1 stop8h 27m
Deal found 10/19![Delta logo]()
$529
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/306:00 am -
2 stops12h 32m
Tue 11/31:29 pm -
1 stop7h 24m
Deal found 10/15![American Airlines logo]()
$660
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:24 am -
1 stop8h 12m
Wed 12/307:10 pm -
1 stop7h 21m
Deal found 10/14![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 10/17. 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.
Mon 11/27:55 pm -
1 stop6h 50m
Fri 11/612:10 pm -
2 stops7h 25m
Deal found 10/17![Southwest logo]()
$442
This Delta deal was found by Cheapflights users on 10/18. 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.
Sat 3/65:40 pm -
1 stop8h 23m
Fri 3/126:15 am -
1 stop7h 57m
Deal found 10/18![Delta logo]()
$569
This United Airlines deal was found by Cheapflights users on 10/17. 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 12/56:43 am -
2 stops9h 30m
Mon 12/1411:00 am -
2 stops9h 44m
Deal found 10/17![United Airlines logo]()
$472
This Southwest deal was found by Cheapflights users on 10/14. 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 11/26:35 pm -
1 stop7h 20m
Fri 11/610:40 pm -
1 stop9h 05m
Deal found 10/14![Southwest logo]()
$463
Last-minute flights from Pennsylvania to San DiegoDiscover last-minute flight deals from Pennsylvania to San Diego. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to San Diego. Data last updated October 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:51 am -
1 stop7h 17m
Thu 10/2911:17 am -
1 stop8h 35m
Deal found 10/19![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:59 pm -
1 stop8h 46m
Mon 11/91:29 pm -
1 stop7h 11m
Deal found 10/19![American Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:00 am -
1 stop9h 09m
Tue 11/101:05 pm -
1 stop6h 41m
Deal found 10/19![American Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:34 pm -
1 stop8h 01m
Fri 11/201:36 pm -
1 stop7h 06m
Deal found 10/19![American Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 10/18. 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.
Mon 11/97:55 pm -
1 stop6h 55m
Sun 11/1510:40 pm -
1 stop9h 00m
Deal found 10/18![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 10/18. 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.
Mon 11/97:55 pm -
1 stop6h 55m
Sat 11/149:20 am -
1 stop7h 30m
Deal found 10/18![Southwest logo]()
$326
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Tue 11/106:00 am -
1 stop8h 28m
Tue 11/179:18 am -
1 stop10h 05m
Deal found 10/16![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Wed 11/1110:30 am -
2 stops10h 23m
Tue 11/1710:40 am -
1 stop7h 53m
Deal found 10/16![United Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:26 am -
1 stop11h 03m
Sun 11/159:25 pm -
1 stop9h 43m
Deal found 10/19![American Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:38 am -
1 stop8h 30m
Sat 11/219:45 pm -
1 stop9h 35m
Deal found 10/19![American Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/196:15 am -
1 stop8h 09m
Sun 11/229:25 pm -
1 stop8h 49m
Deal found 10/16![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:35 am -
1 stop7h 20m
Thu 11/2610:30 pm -
1 stop8h 32m
Deal found 10/19![Delta logo]()
$318
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 October 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 October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 12/112:49 pm -
2 stops46h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$124
This Southwest deal was found by Cheapflights users on 10/18. 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 11/117:25 pm -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Southwest logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Wed 1/276:15 am -
2 stops20h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 12/54:16 pm -
1 stop22h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$131
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/145:50 am -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Southwest logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 11/175:14 pm -
2 stops33h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Wed 11/188:30 am -
2 stops18h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Frontier logo]()
$141
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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.
Sat 11/219:55 pm -
1 stop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Mon 11/165:14 pm -
2 stops33h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 11/147:25 pm -
1 stop19h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:14 pm -
2 stops42h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$156
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Tue 11/108:05 am -
1 stop7h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![American Airlines logo]()
$163
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $301 (Delta) |
One-way from | $124 (Kiwi.com) |
Popular in | October |
Cheapest in | February |
Average price | $559 |
Good round-trip deal | $427 or less |
Good one-way deal | $267 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 October 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
Mon 12/14
9:35 am-4:25 pm
1 stop9h 50m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$129
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Thu 11/12
7:55 pm-11:50 pm
1 stop6h 55m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$129
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Tue 12/22
6:00 am-10:45 am
1 stop7h 45m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$163
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Wed 12/16
3:13 pm-9:19 pm
1 stop9h 06m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$163
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Thu 12/24
1:25 pm-6:55 pm
1 stop8h 30m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$175
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Thu 12/17
7:14 pm-11:58 pm
1 stop7h 44m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$180
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Tue 11/10
12:15 pm-6:29 pm
1 stop9h 14m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$198
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Sat 12/5
5:35 pm-10:45 pm
1 stop8h 10m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$198
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Thu 12/31
5:50 am-11:25 am
2 stops8h 35m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$203
PhiladelphiaSan Diego
PHL Philadelphia - SAN San Diego
PHLSAN
Philadelphia
Sun 11/8
6:00 am-11:57 am
1 stop8h 57m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$209
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
PHL-SAN
MDT-SAN
ABE-SAN
AVP-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
PHL-SAN
MDT-SAN
ABE-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 $407). 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 October 19, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from Pennsylvania to San Diego by exploring options for tickets in the evening.
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 October 19, 2026.
The most flights from USPA to SAN are scheduled on a Sunday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 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 $443 and $688 in December.The cheapest round-trip price found within the last 5 days was $398 on Frontier (Dec 1-Dec 4).
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 68 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
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
Browse thousands of different 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 October 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 October 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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$432 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$298 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$185 | Average$298 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$243 | Average$382 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$250 | Average$468 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$525 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$447 | FlexibilityNo cancel fee | On-time63% |