$131+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAN
Oct 8 — Oct 151
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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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 September 8, 2026.
Explore the most affordable flight options available from Pennsylvania to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/227:45 pm -
1 stop7h 05m
Mon 10/2610:20 am -
Nonstop4h 40m
Deal found 9/3![Southwest logo]()
$302
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:00 am -
1 stop7h 10m
Tue 10/1312:20 pm -
1 stop7h 32m
Deal found 9/2![American Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:40 am -
Nonstop5h 10m
Thu 10/2910:20 am -
Nonstop4h 40m
Deal found 9/4![Southwest logo]()
$308
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:12 am -
1 stop8h 31m
Tue 1/57:00 am -
2 stops8h 32m
Deal found 9/3![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/35:50 am -
2 stops8h 35m
Sat 11/77:50 am -
2 stops8h 55m
Deal found 9/2![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 pm -
1 stop9h 15m
Sat 10/176:30 am -
1 stop9h 05m
Deal found 9/3![Southwest logo]()
$318
This SmartFares deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:00 pm -
Nonstop6h 12m
Fri 10/307:27 pm -
1 stop9h 17m
Deal found 9/3![Alaska Airlines logo]()
$322
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Sat 10/36:30 am -
1 stop9h 42m
Mon 10/56:45 pm -
1 stop14h 50m
Deal found 9/3![Multiple Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/157:35 pm -
1 stop7h 20m
Tue 10/2012:15 pm -
2 stops7h 40m
Deal found 9/2![Southwest logo]()
$323
This SmartFares deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:30 am -
1 stop9h 42m
Sat 11/76:05 pm -
1 stop9h 25m
Deal found 9/5![Alaska Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/24:59 pm -
1 stop8h 28m
Sun 10/410:30 pm -
1 stop7h 45m
Deal found 9/3![United Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/205:40 am -
2 stops11h 10m
Sat 10/248:00 am -
1 stop8h 05m
Deal found 9/3![Southwest logo]()
$328
Best flights from Pennsylvania to San DiegoDiscover carefully curated flight deals from Pennsylvania to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Pennsylvania to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 12/312:15 pm -
1 stop9h 09m
Mon 12/76:15 am -
1 stop7h 23m
Deal found 9/3![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/33:38 pm -
1 stop7h 46m
Sat 11/711:21 am -
1 stop8h 29m
Deal found 9/2![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 pm -
1 stop9h 15m
Mon 10/1210:40 pm -
1 stop8h 35m
Deal found 9/2![Southwest logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:24 pm -
Nonstop5h 29m
Wed 10/216:15 am -
1 stop14h 44m
Deal found 9/7![Alaska Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/157:00 am -
1 stop19h 56m
Sun 10/1812:45 pm -
Nonstop5h 15m
Deal found 9/2![Multiple Airlines logo]()
$521
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/157:35 pm -
1 stop7h 20m
Tue 10/2012:15 pm -
2 stops7h 40m
Deal found 9/2![Southwest logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/410:00 am -
Nonstop5h 54m
Sun 11/89:56 pm -
Nonstop5h 40m
Deal found 9/3![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/2812:40 pm -
1 stop7h 35m
Mon 11/22:08 pm -
1 stop7h 22m
Deal found 9/3![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/25:40 pm -
1 stop9h 15m
Tue 10/611:50 am -
1 stop8h 00m
Deal found 9/3![Southwest logo]()
$325
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/175:30 pm -
Nonstop6h 05m
Tue 10/2010:05 pm -
Nonstop5h 20m
Deal found 9/5![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:59 am -
2 stops26h 50m
Wed 10/219:20 am -
1 stop10h 09m
Deal found 9/7![Alaska Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:10 pm -
Nonstop6h 12m
Sat 12/510:30 pm -
Nonstop5h 16m
Deal found 9/7![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 9/7. 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.
Mon 10/197:15 pm -
1 stop8h 20m
Wed 10/2810:35 am -
1 stop8h 55m
Deal found 9/7![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/276:05 am -
1 stop7h 43m
Sat 10/318:00 am -
1 stop8h 42m
Deal found 9/4![Delta logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:30 am -
1 stop9h 42m
Tue 11/38:24 am -
Nonstop5h 30m
Deal found 9/7![Alaska Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/253:00 pm -
1 stop8h 33m
Sat 12/59:45 pm -
1 stop8h 48m
Deal found 9/4![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:40 am -
Nonstop5h 10m
Thu 10/291:05 pm -
1 stop7h 30m
Deal found 9/5![Southwest logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:00 pm -
1 stop11h 58m
Wed 10/282:22 pm -
Nonstop5h 37m
Deal found 9/7![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/1912:55 pm -
1 stop8h 34m
Sun 11/227:10 pm -
1 stop7h 43m
Deal found 9/3![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 1/283:12 pm -
1 stop8h 21m
Sun 1/319:55 pm -
1 stop8h 49m
Deal found 9/4![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 12/47:25 pm -
1 stop6h 55m
Thu 12/1012:35 pm -
2 stops7h 45m
Deal found 9/4![Southwest logo]()
$360
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/3012:00 pm -
1 stop8h 05m
Sat 10/36:15 am -
1 stop8h 34m
Deal found 9/3![Delta logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/317:22 am -
2 stops17h 28m
Tue 11/38:02 am -
2 stops11h 53m
Deal found 9/4![Alaska Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 1/96:00 am -
1 stop8h 16m
Wed 1/138:50 am -
2 stops9h 05m
Deal found 9/4![United Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 9/6. 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.
Wed 10/143:45 pm -
1 stop8h 40m
Sat 10/176:50 am -
2 stops12h 05m
Deal found 9/6![Southwest logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/107:24 pm -
Nonstop5h 29m
Wed 10/148:07 am -
2 stops12h 52m
Deal found 9/4![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/213:03 pm -
1 stop9h 59m
Sun 10/2510:05 pm -
1 stop10h 45m
Deal found 9/2![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/255:54 pm -
1 stop7h 47m
Mon 9/286:28 pm -
2 stops12h 23m
Deal found 9/3![United Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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
Tue 1/512:45 pm -
2 stops7h 35m
Deal found 9/4![Southwest logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/275:28 pm -
Nonstop6h 28m
Sun 1/317:00 am -
Nonstop5h 26m
Deal found 9/7![Alaska Airlines logo]()
$377
Last-minute flights from Pennsylvania to San DiegoDiscover last-minute flight deals from Pennsylvania to San Diego. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to San Diego. Data last updated September 8, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/2512:50 pm -
Nonstop4h 45m
Wed 9/3010:40 pm -
1 stop8h 25m
Deal found 9/2![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/25:40 pm -
1 stop9h 15m
Tue 10/611:50 am -
1 stop8h 00m
Deal found 9/3![Southwest logo]()
$325
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Sat 10/36:30 am -
1 stop9h 42m
Mon 10/56:45 pm -
1 stop14h 50m
Deal found 9/3![Multiple Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 pm -
1 stop9h 15m
Mon 10/1210:40 pm -
1 stop8h 35m
Deal found 9/2![Southwest logo]()
$318
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:00 am -
1 stop7h 10m
Tue 10/1312:20 pm -
1 stop7h 32m
Deal found 9/2![American Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/157:35 pm -
1 stop7h 20m
Tue 10/2012:15 pm -
2 stops7h 40m
Deal found 9/2![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/205:40 am -
2 stops11h 10m
Sat 10/248:00 am -
1 stop8h 05m
Deal found 9/3![Southwest logo]()
$328
This Cheapflightsfares deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:04 am -
Nonstop5h 59m
Tue 10/279:40 pm -
Nonstop5h 20m
Deal found 9/3![JetBlue logo]()
$328
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/227:45 pm -
1 stop7h 05m
Mon 10/2610:20 am -
Nonstop4h 40m
Deal found 9/3![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:40 am -
Nonstop5h 10m
Thu 10/2910:20 am -
Nonstop4h 40m
Deal found 9/4![Southwest logo]()
$308
This SmartFares deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:00 pm -
Nonstop6h 12m
Fri 10/307:27 pm -
1 stop9h 17m
Deal found 9/3![Alaska Airlines logo]()
$322
This SmartFares deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:30 am -
1 stop9h 42m
Sat 11/76:05 pm -
1 stop9h 25m
Deal found 9/5![Alaska Airlines logo]()
$325
One-way flights from Pennsylvania to San DiegoSearch for one-way flight options from Pennsylvania to San Diego. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Pennsylvania to San Diego. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Mon 10/52:32 pm -
2 stops29h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$131
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/15:30 pm -
1 stop9h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/308:41 am -
2 stops18h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$158
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/35:50 am -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$159
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:02 am -
1 stop10h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$159
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/27:50 pm -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:42 pm -
2 stops29h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 12/46:48 pm -
2 stops23h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/48:41 am -
2 stops38h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$163
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/25:40 pm -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$163
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/305:50 am -
1 stop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$164
This JetBlue deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/281:26 pm -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![JetBlue logo]()
$164
Find flight deals from Pennsylvania to San Diego
Keep the following information in mind while searching for Pennsylvania to San Diego flight deals. Data was last updated September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $302 (Southwest) |
One-way from | $131 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $486 |
Good round-trip deal | $308 or less |
Good one-way deal | $224 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 8, 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 10/27
5:50 am-11:13 am
1 stop8h 23m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$154
PhiladelphiaSan Diego
PHL Philadelphia - SAN San Diego
PHLSAN
Philadelphia
Sat 11/7
7:45 am-12:56 pm
1 stop8h 11m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$159
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Fri 10/2
7:50 pm-11:15 pm
1 stop6h 25m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$160
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Tue 10/6
6:00 am-10:20 am
1 stop7h 20m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$164
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Tue 12/1
3:55 pm-8:25 pm
1 stop7h 30m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$164
PhiladelphiaSan Diego
PHL Philadelphia - SAN San Diego
PHLSAN
Philadelphia
Mon 10/5
6:00 am-12:18 pm
1 stop9h 18m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$169
PhiladelphiaSan Diego
PHL Philadelphia - SAN San Diego
PHLSAN
Philadelphia
Fri 9/11
6:00 am-1:44 pm
1 stop10h 44m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$169
PittsburghSan Diego
PIT Pittsburgh - SAN San Diego
PITSAN
Pittsburgh
Sun 10/4
5:11 am-9:32 am
1 stop7h 21m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$178
New YorkSan Diego
JFK New York John F Kennedy Intl - SAN San Diego
JFKSAN
New York John F Kennedy Intl
Tue 10/20
8:29 pm-11:46 pm
Nonstop6h 17m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
New YorkSan Diego
LGA New York LaGuardia - SAN San Diego
LGASAN
New York LaGuardia
Sat 12/5
9:30 am-2:53 pm
1 stop8h 23m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$179
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
EWR-SAN
LGA-SAN
PHL-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
EWR-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 $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 September 8, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 17% on flights from Pennsylvania to San Diego by exploring options for tickets in the morning.
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 $391 and $588 in October.The cheapest round-trip price found within the last 5 days was $338 on Frontier (Oct 10-Oct 17).
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
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
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Search flights from Pennsylvania to San Diego by cabin class
Find flights from Pennsylvania to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and San Diego flights
Browse other Pennsylvania and San Diego flight options. Last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Pennsylvania to San Diego flights
Consider these flights traveling from Pennsylvania to San Diego.
Top 7 airlines flying from Pennsylvania to San Diego
Discover the top 7 airlines that operate flights from Pennsylvania to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$294 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$142 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$298 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$362 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$250 | Average$451 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$498 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$265 | Average$446 | FlexibilityNo cancel fee | On-time63% |