$88+ Cheap flights from Pennsylvania to San Diego (SAN)
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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Sep 10 — Sep 171
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Pennsylvania to San Diego
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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 August 11, 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 August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 8/317:30 am -
1 stop19h 21m
Thu 9/104:54 pm -
1 stop19h 14m
Deal found 8/8![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/287:30 am -
1 stop19h 21m
Thu 10/16:25 am -
1 stop30h 17m
Deal found 8/9![Multiple Airlines logo]()
$244
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/44:06 pm -
1 stop8h 16m
Thu 9/1710:46 pm -
1 stop9h 15m
Deal found 8/10![American Airlines logo]()
$272
This Breeze Airways deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:35 am -
Nonstop5h 13m
Mon 8/2412:33 pm -
Nonstop5h 01m
Deal found 8/10![Breeze Airways logo]()
$273
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/29:40 am -
Nonstop5h 10m
Tue 10/69:05 am -
1 stop10h 55m
Deal found 8/11![Southwest logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/79:35 am -
Nonstop5h 13m
Mon 9/146:25 am -
3 stops28h 22m
Deal found 8/9![Multiple Airlines logo]()
$278
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/47:35 pm -
1 stop6h 55m
Fri 9/116:20 am -
1 stop9h 30m
Deal found 8/9![Southwest logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:35 am -
Nonstop5h 13m
Sat 8/296:25 am -
2 stops30h 41m
Deal found 8/7![Multiple Airlines logo]()
$280
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/612:25 pm -
1 stop12h 15m
Thu 9/106:20 am -
1 stop9h 30m
Deal found 8/10![Southwest logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:35 am -
Nonstop5h 13m
Mon 9/712:33 pm -
Nonstop5h 01m
Deal found 8/7![Breeze Airways logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:35 am -
Nonstop5h 13m
Sat 8/2912:29 pm -
1 stop27h 40m
Deal found 8/7![Breeze Airways logo]()
$288
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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
Mon 11/912:50 pm -
1 stop9h 20m
Deal found 8/10![Southwest logo]()
$290
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 August 11, 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 August 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/227:02 am -
1 stop9h 19m
Mon 9/286:15 am -
1 stop20h 10m
Deal found 8/6![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/1012:20 pm -
2 stops7h 50m
Sat 10/176:50 am -
2 stops12h 00m
Deal found 8/10![Southwest logo]()
$305
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/318:45 am -
Nonstop6h 07m
Sun 11/17:20 am -
Nonstop5h 39m
Deal found 8/10![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/107:00 am -
1 stop7h 35m
Sat 10/176:15 am -
1 stop7h 06m
Deal found 8/6![United Airlines logo]()
$337
This JetBlue deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/275:00 pm -
Nonstop6h 20m
Sun 11/18:40 pm -
1 stop8h 50m
Deal found 8/10![JetBlue logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/114:29 pm -
Nonstop6h 06m
Tue 9/157:00 am -
Nonstop5h 40m
Deal found 8/6![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/155:40 pm -
1 stop9h 15m
Tue 10/2010:40 pm -
1 stop7h 50m
Deal found 8/6![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 12/244:25 pm -
1 stop8h 16m
Tue 1/56:15 am -
1 stop7h 26m
Deal found 8/6![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/911:55 am -
Nonstop5h 55m
Sat 9/1211:06 am -
1 stop15h 55m
Deal found 8/6![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/166:10 pm -
1 stop7h 00m
Sat 9/198:45 am -
2 stops9h 02m
Deal found 8/11![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/262:05 pm -
1 stop7h 10m
Wed 12/212:45 pm -
2 stops7h 35m
Deal found 8/7![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/217:15 am -
1 stop8h 29m
Tue 10/272:10 pm -
1 stop7h 48m
Deal found 8/6![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/47:35 pm -
1 stop6h 55m
Mon 9/710:40 pm -
1 stop9h 40m
Deal found 8/10![Southwest logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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.
Mon 11/27:00 am -
1 stop12h 34m
Sat 11/76:02 pm -
1 stop8h 56m
Deal found 8/6![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/108:45 am -
2 stops11h 41m
Mon 9/147:41 pm -
2 stops11h 08m
Deal found 8/10![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/48:30 pm -
Nonstop6h 13m
Thu 9/109:59 pm -
Nonstop5h 27m
Deal found 8/7![Delta logo]()
$347
This JetBlue deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Fri 11/610:30 am -
1 stop11h 24m
Sun 11/88:40 pm -
1 stop9h 59m
Deal found 8/11![JetBlue logo]()
$435
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/107:30 pm -
1 stop6h 30m
Mon 9/1410:15 am -
2 stops8h 55m
Deal found 8/7![Southwest logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/304:36 pm -
1 stop10h 23m
Tue 11/39:56 pm -
Nonstop5h 40m
Deal found 8/10![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/192:52 pm -
1 stop8h 37m
Fri 9/2510:30 pm -
1 stop8h 21m
Deal found 8/9![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 1/44:00 pm -
1 stop10h 03m
Mon 1/116:20 am -
1 stop7h 49m
Deal found 8/7![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/157:50 pm -
1 stop6h 25m
Sun 10/186:35 am -
1 stop9h 45m
Deal found 8/6![Southwest logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 11/47:00 am -
1 stop11h 50m
Thu 11/54:23 pm -
1 stop11h 42m
Deal found 8/6![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/96:15 am -
1 stop8h 10m
Tue 9/1510:30 pm -
1 stop8h 09m
Deal found 8/10![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/214:00 pm -
1 stop9h 02m
Sun 10/259:45 pm -
1 stop7h 23m
Deal found 8/10![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/16:00 am -
1 stop9h 15m
Sat 9/510:40 pm -
1 stop8h 15m
Deal found 8/6![Southwest logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/255:43 pm -
1 stop7h 58m
Sun 9/2710:30 pm -
1 stop8h 05m
Deal found 8/10![United Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 10/15:29 pm -
1 stop20h 01m
Wed 10/142:22 pm -
Nonstop5h 37m
Deal found 8/8![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 1/46:05 am -
1 stop9h 55m
Sat 1/96:20 am -
1 stop8h 22m
Deal found 8/7![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/121:20 pm -
1 stop7h 50m
Fri 9/1811:05 am -
Nonstop4h 40m
Deal found 8/7![Southwest logo]()
$341
Last-minute flights from Pennsylvania to San DiegoDiscover last-minute flight deals from Pennsylvania to San Diego. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to San Diego. Data last updated August 11, 2026 and is based on user searches.
This Breeze Airways deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:35 am -
Nonstop5h 13m
Mon 8/2412:33 pm -
Nonstop5h 01m
Deal found 8/10![Breeze Airways logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:35 am -
Nonstop5h 13m
Sat 8/296:25 am -
2 stops30h 41m
Deal found 8/7![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:35 am -
Nonstop5h 13m
Sat 8/2912:29 pm -
1 stop27h 40m
Deal found 8/7![Breeze Airways logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 8/317:30 am -
1 stop19h 21m
Thu 9/104:54 pm -
1 stop19h 14m
Deal found 8/8![Multiple Airlines logo]()
$236
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/44:06 pm -
1 stop8h 16m
Thu 9/1710:46 pm -
1 stop9h 15m
Deal found 8/10![American Airlines logo]()
$272
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/47:35 pm -
1 stop6h 55m
Fri 9/116:20 am -
1 stop9h 30m
Deal found 8/9![Southwest logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:35 am -
Nonstop5h 13m
Mon 9/712:33 pm -
Nonstop5h 01m
Deal found 8/7![Breeze Airways logo]()
$287
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/612:25 pm -
1 stop12h 15m
Thu 9/106:20 am -
1 stop9h 30m
Deal found 8/10![Southwest logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/79:35 am -
Nonstop5h 13m
Mon 9/146:25 am -
3 stops28h 22m
Deal found 8/9![Multiple Airlines logo]()
$278
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/104:10 pm -
1 stop9h 40m
Sun 9/1310:40 pm -
1 stop9h 05m
Deal found 8/9![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/184:55 pm -
1 stop8h 15m
Tue 9/2210:40 pm -
1 stop6h 30m
Deal found 8/9![Southwest logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/287:30 am -
1 stop19h 21m
Thu 10/16:25 am -
1 stop30h 17m
Deal found 8/9![Multiple Airlines logo]()
$244
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 August 11, 2026.
Search for one-way flight options from Pennsylvania to San Diego. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/79:35 am -
Nonstop5h 13m
Deal found 8/9![Breeze Airways logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/147:30 am -
1 stop11h 28m
Deal found 8/11![Multiple Airlines logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:35 am -
Nonstop5h 13m
Deal found 8/8![Breeze Airways logo]()
$108
This Trip.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:32 pm -
2 stops32h 45m
Deal found 8/6![Frontier logo]()
$112
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/96:30 pm -
1 stop6h 35m
Deal found 8/9![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/1012:20 pm -
2 stops7h 50m
Deal found 8/11![Southwest logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:35 am -
Nonstop5h 13m
Deal found 8/7![Breeze Airways logo]()
$123
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/136:00 am -
1 stop8h 20m
Deal found 8/10![American Airlines logo]()
$126
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/27:41 am -
1 stop8h 07m
Deal found 8/10![American Airlines logo]()
$132
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/75:39 pm -
1 stop9h 16m
Deal found 8/11![Delta logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:16 pm -
2 stops38h 43m
Deal found 8/9![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:30 am -
1 stop19h 21m
Deal found 8/9![Multiple Airlines logo]()
$151
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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $236 (Kiwi.com) |
One-way from | $88 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $536 |
Good round-trip deal | $306 or less |
Good one-way deal | $179 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 2,558,603 searches. Data last updated August 11, 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
Tue 9/22
7:02 am-1:21 pm
1 stop9h 19m
San Diego
Mon 9/28
6:15 am-5:25 am
1 stop20h 10m
$297
New YorkSan Diego
JFK New York John F Kennedy Intl - SAN San Diego
JFKSAN
New York John F Kennedy Intl
Fri 9/11
4:29 pm-7:35 pm
Nonstop6h 06m
San Diego
Tue 9/15
7:00 am-3:40 pm
Nonstop5h 40m
$297
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Sat 10/10
12:20 pm-5:10 pm
2 stops7h 50m
San Diego
Sat 10/17
6:50 am-9:50 pm
2 stops12h 00m
$305
New YorkSan Diego
JFK New York John F Kennedy Intl - SAN San Diego
JFKSAN
New York John F Kennedy Intl
Wed 9/9
11:55 am-2:50 pm
Nonstop5h 55m
San Diego
Sat 9/12
11:06 am-6:01 am
1 stop15h 55m
$317
New YorkSan Diego
JFK New York John F Kennedy Intl - SAN San Diego
JFKSAN
New York John F Kennedy Intl
Sat 10/31
8:45 am-11:52 am
Nonstop6h 07m
San Diego
Sun 11/1
7:20 am-3:59 pm
Nonstop5h 39m
$327
New YorkSan Diego
LGA New York LaGuardia - SAN San Diego
LGASAN
New York LaGuardia
Thu 10/15
5:40 pm-11:55 pm
1 stop9h 15m
San Diego
Tue 10/20
10:40 pm-9:30 am
1 stop7h 50m
$327
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Thu 11/26
2:05 pm-6:15 pm
1 stop7h 10m
San Diego
Wed 12/2
12:45 pm-11:20 pm
2 stops7h 35m
$328
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Thu 12/24
4:25 pm-9:41 pm
1 stop8h 16m
San Diego
Tue 1/5
6:15 am-4:41 pm
1 stop7h 26m
$329
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Fri 9/4
7:35 pm-11:30 pm
1 stop6h 55m
San Diego
Mon 9/7
10:40 pm-11:20 am
1 stop9h 40m
$330
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Thu 9/10
7:30 pm-11:00 pm
1 stop6h 30m
San Diego
Mon 9/14
10:15 am-10:10 pm
2 stops8h 55m
$334
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
JFK-SAN
IAD-SAN
LGA-SAN
EWR-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
JFK-SAN
IAD-SAN
LGA-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 $401). Flying from Pennsylvania to San Diego in June is currently the most expensive (average of $515). 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 August 11, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 20% 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 August 11, 2026.
The most flights from USPA to SAN are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, 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 $462 and $630 in September.The cheapest round-trip price found within the last 5 days was $371 on Frontier (Sep 4-Sep 9).
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
Poway
Coronado
San Ysidro
La Mesa
Santee
Julian
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 August 11, 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 August 11, 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 2,558,603 searches. Data last updated August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$142 | Average$421 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$298 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$168 | Average$401 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$490 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$250 | Average$458 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$259 | Average$441 | FlexibilityNo cancel fee | On-time63% |