$93+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Sep 24 — Oct 11
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 August 25, 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 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:30 am -
1 stop11h 28m
Thu 9/244:54 pm -
1 stop19h 14m
Deal found 8/25![Multiple Airlines logo]()
$248
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:17 pm -
1 stop7h 44m
Sat 9/267:32 am -
1 stop9h 24m
Deal found 8/21![American Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:50 pm -
1 stop7h 25m
Tue 11/36:45 am -
2 stops8h 45m
Deal found 8/23![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:10 pm -
1 stop6h 55m
Mon 10/2610:20 am -
Nonstop4h 40m
Deal found 8/25![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:46 pm -
1 stop9h 09m
Sat 10/246:15 am -
1 stop7h 36m
Deal found 8/21![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:35 am -
2 stops13h 15m
Tue 11/312:45 pm -
2 stops7h 35m
Deal found 8/22![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:50 pm -
1 stop7h 25m
Sat 10/176:50 am -
2 stops12h 00m
Deal found 8/23![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:50 pm -
1 stop6h 25m
Thu 10/2210:20 am -
Nonstop4h 40m
Deal found 8/25![Southwest logo]()
$298
This Expedia deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:35 am -
Nonstop5h 13m
Tue 9/293:50 pm -
2 stops16h 11m
Deal found 8/21![Multiple Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:50 pm -
1 stop6h 25m
Mon 10/266:45 am -
1 stop9h 20m
Deal found 8/25![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:41 pm -
1 stop8h 19m
Tue 9/2211:54 am -
1 stop7h 59m
Deal found 8/24![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:20 pm -
1 stop8h 09m
Mon 9/2810:30 pm -
1 stop7h 08m
Deal found 8/24![United Airlines logo]()
$307
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 25, 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 25, 2026.
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:10 pm -
1 stop7h 00m
Sat 9/2610:30 pm -
1 stop7h 08m
Deal found 8/22![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:40 am -
2 stops11h 10m
Mon 11/22:10 pm -
2 stops8h 00m
Deal found 8/23![Southwest logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:00 pm -
Nonstop6h 12m
Thu 10/222:22 pm -
Nonstop5h 37m
Deal found 8/21![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:29 pm -
Nonstop6h 05m
Wed 9/301:15 pm -
Nonstop5h 41m
Deal found 8/22![Delta logo]()
$317
This JetBlue deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:25 am -
Nonstop5h 52m
Mon 10/199:30 pm -
Nonstop5h 37m
Deal found 8/22![JetBlue logo]()
$317
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:29 pm -
Nonstop6h 17m
Sat 10/247:20 am -
Nonstop5h 39m
Deal found 8/23![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/110:55 am -
Nonstop5h 10m
Sat 11/712:25 pm -
1 stop7h 20m
Deal found 8/20![Southwest logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/135:30 pm -
Nonstop5h 54m
Mon 11/168:07 pm -
1 stop17h 06m
Deal found 8/20![Alaska Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/154:59 pm -
Nonstop5h 54m
Sat 9/197:41 pm -
1 stop8h 05m
Deal found 8/20![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
1 stop8h 31m
Wed 11/49:40 pm -
Nonstop5h 11m
Deal found 8/24![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:50 pm -
1 stop6h 30m
Sun 11/1511:25 am -
Nonstop4h 25m
Deal found 8/24![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop7h 20m
Thu 11/512:00 pm -
1 stop8h 24m
Deal found 8/24![Delta logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/1310:00 am -
1 stop9h 32m
Mon 11/168:12 pm -
1 stop8h 34m
Deal found 8/20![Alaska Airlines logo]()
$337
This JetBlue deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:15 am -
Nonstop5h 59m
Tue 10/138:40 pm -
1 stop11h 20m
Deal found 8/22![JetBlue logo]()
$380
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 am -
1 stop10h 59m
Tue 10/136:15 am -
1 stop7h 13m
Deal found 8/23![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/2611:40 am -
2 stops9h 50m
Tue 9/298:35 am -
1 stop7h 30m
Deal found 8/20![Southwest logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:30 am -
1 stop9h 42m
Sun 11/19:40 am -
Nonstop5h 39m
Deal found 8/22![Alaska Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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
Wed 11/41:10 pm -
Nonstop4h 56m
Deal found 8/20![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:55 pm -
1 stop8h 00m
Tue 10/2010:25 pm -
1 stop10h 17m
Deal found 8/23![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/253:00 pm -
2 stops9h 15m
Mon 9/2810:40 pm -
1 stop6h 30m
Deal found 8/20![Southwest logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/3010:59 am -
Nonstop5h 38m
Wed 10/712:45 pm -
Nonstop5h 15m
Deal found 8/20![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:30 am -
1 stop9h 50m
Tue 10/136:15 am -
1 stop6h 44m
Deal found 8/21![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/109:58 am -
Nonstop5h 52m
Wed 9/161:53 pm -
Nonstop5h 28m
Deal found 8/20![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:30 am -
2 stops12h 25m
Sun 11/1510:40 pm -
1 stop9h 35m
Deal found 8/22![Southwest logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:29 pm -
Nonstop5h 54m
Wed 1/67:15 am -
Nonstop5h 17m
Deal found 8/22![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:00 pm -
1 stop10h 02m
Sat 10/2412:38 pm -
1 stop8h 02m
Deal found 8/23![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
Nonstop5h 49m
Mon 9/289:20 pm -
Nonstop5h 17m
Deal found 8/24![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:55 pm -
1 stop14h 10m
Fri 10/3010:50 am -
1 stop9h 05m
Deal found 8/25![Southwest logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:59 pm -
Nonstop6h 23m
Sun 12/137:40 am -
Nonstop5h 22m
Deal found 8/23![Alaska Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Thu 11/511:25 am -
Nonstop4h 25m
Deal found 8/24![Southwest logo]()
$348
Last-minute flights from Pennsylvania to San DiegoDiscover last-minute flight deals from Pennsylvania to San Diego. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to San Diego. Data last updated August 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Fri 9/412:33 pm -
Nonstop5h 01m
Deal found 8/23![Breeze Airways logo]()
$302
This Expedia deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:35 am -
Nonstop5h 13m
Tue 9/293:50 pm -
2 stops16h 11m
Deal found 8/21![Multiple Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:50 pm -
Nonstop4h 45m
Tue 9/1510:20 am -
1 stop7h 35m
Deal found 8/21![Southwest logo]()
$298
This Vliegwinkel deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:15 am -
Nonstop5h 53m
Fri 9/188:20 pm -
1 stop9h 10m
Deal found 8/21![JetBlue logo]()
$310
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/162:00 pm -
2 stops7h 55m
Tue 9/221:40 pm -
1 stop6h 30m
Deal found 8/20![Southwest logo]()
$308
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:41 pm -
1 stop8h 19m
Tue 9/2211:54 am -
1 stop7h 59m
Deal found 8/24![Delta logo]()
$303
This Vliegwinkel deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:59 pm -
Nonstop6h 02m
Sat 9/269:30 pm -
Nonstop5h 37m
Deal found 8/24![JetBlue logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:30 am -
1 stop11h 28m
Thu 9/244:54 pm -
1 stop19h 14m
Deal found 8/25![Multiple Airlines logo]()
$248
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:20 pm -
1 stop8h 09m
Mon 9/2810:30 pm -
1 stop7h 08m
Deal found 8/24![United Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:17 pm -
1 stop7h 44m
Sat 9/267:32 am -
1 stop9h 24m
Deal found 8/21![American Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:29 pm -
1 stop24h 31m
Tue 9/294:54 pm -
2 stops23h 50m
Deal found 8/21![Frontier logo]()
$312
This American Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:41 pm -
1 stop7h 14m
Sat 9/267:32 am -
1 stop9h 24m
Deal found 8/24![American Airlines logo]()
$292
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 25, 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 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 8/319:35 am -
Nonstop5h 13m
Deal found 8/20![Breeze Airways logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/24![Breeze Airways logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:35 am -
Nonstop5h 13m
Deal found 8/22![Breeze Airways logo]()
$136
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:50 pm -
1 stop7h 36m
Deal found 8/21![Delta logo]()
$139
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:30 am -
2 stops8h 50m
Deal found 8/25![Southwest logo]()
$144
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:20 pm -
Nonstop5h 05m
Deal found 8/25![Southwest logo]()
$149
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:30 pm -
1 stop9h 22m
Deal found 8/25![Delta logo]()
$154
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:40 am -
2 stops8h 25m
Deal found 8/23![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:50 pm -
1 stop6h 25m
Deal found 8/24![Southwest logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:30 pm -
2 stops22h 28m
Deal found 8/25![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:00 pm -
2 stops32h 19m
Deal found 8/21![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:32 pm -
2 stops29h 45m
Deal found 8/24![Frontier logo]()
$162
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (Kiwi.com) |
One-way from | $93 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $517 |
Good round-trip deal | $296 or less |
Good one-way deal | $176 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 August 25, 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
Sat 9/19
6:10 pm-10:10 pm
1 stop7h 00m
San Diego
Sat 9/26
10:30 pm-8:38 am
1 stop7h 08m
$277
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Wed 10/28
5:40 am-1:50 pm
2 stops11h 10m
San Diego
Mon 11/2
2:10 pm-1:10 am
2 stops8h 00m
$302
New YorkSan Diego
JFK New York John F Kennedy Intl - SAN San Diego
JFKSAN
New York John F Kennedy Intl
Wed 10/14
4:00 pm-7:12 pm
Nonstop6h 12m
San Diego
Thu 10/22
2:22 pm-10:59 pm
Nonstop5h 37m
$317
New YorkSan Diego
JFK New York John F Kennedy Intl - SAN San Diego
JFKSAN
New York John F Kennedy Intl
Wed 9/23
8:29 pm-11:34 pm
Nonstop6h 05m
San Diego
Wed 9/30
1:15 pm-9:56 pm
Nonstop5h 41m
$317
New YorkSan Diego
JFK New York John F Kennedy Intl - SAN San Diego
JFKSAN
New York John F Kennedy Intl
Wed 10/14
6:25 am-9:17 am
Nonstop5h 52m
San Diego
Mon 10/19
9:30 pm-6:07 am
Nonstop5h 37m
$317
New YorkSan Diego
JFK New York John F Kennedy Intl - SAN San Diego
JFKSAN
New York John F Kennedy Intl
Wed 10/21
8:29 pm-11:46 pm
Nonstop6h 17m
San Diego
Sat 10/24
7:20 am-3:59 pm
Nonstop5h 39m
$317
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Sun 11/1
10:55 am-1:05 pm
Nonstop5h 10m
San Diego
Sat 11/7
12:25 pm-10:45 pm
1 stop7h 20m
$322
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Fri 11/13
5:30 pm-8:24 pm
Nonstop5h 54m
San Diego
Mon 11/16
8:07 pm-4:13 pm
1 stop17h 06m
$327
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Tue 9/15
4:59 pm-7:53 pm
Nonstop5h 54m
San Diego
Sat 9/19
7:41 pm-6:46 am
1 stop8h 05m
$327
NewarkSan Diego
EWR Newark - SAN San Diego
EWRSAN
Newark
Fri 10/30
6:00 am-11:31 am
1 stop8h 31m
San Diego
Wed 11/4
9:40 pm-5:51 am
Nonstop5h 11m
$327
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.
ABE-SAN
PIT-SAN
JFK-SAN
EWR-SAN
IAD-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
ABE-SAN
PIT-SAN
JFK-SAN
EWR-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 $403). Flying from Pennsylvania to San Diego in June is currently the most expensive (average of $513). 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 25, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 19% 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 25, 2026.
The most flights from USPA to SAN are scheduled on a Monday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 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 $410 and $594 in October.The cheapest round-trip price found within the last 5 days was $340 on Frontier (Oct 4-Oct 11).
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 87 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
Poway
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 25, 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 25, 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 August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$291 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$142 | Average$423 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$154 | Average$298 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$380 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$246 | Average$452 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$497 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$264 | Average$444 | FlexibilityNo cancel fee | On-time63% |