$85+ Cheap flights from San Diego to Philadelphia (SAN - PHL)
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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PHL
May 22 — May 291
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Philadelphia 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.Cheapflights Tip: The best prices from San Diego to Philadelphia are usually found in October or September, booked 21 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from San Diego to Philadelphia
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Best
Last-minute
One-way
Cheapest flights from San Diego to PhiladelphiaExplore the most affordable flight options available from San Diego to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2026.
Explore the most affordable flight options available from San Diego to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2026.
This eDestinos deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:00 am
SAN
- PHL
2 stops29h 27m
Frontier
Fri 5/156:57 pm
PHL
- SAN
2 stops31h 53m
Frontier
Deal found 4/17![Frontier logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Fri 5/89:37 am
SAN
- PHL
1 stop17h 00m
Frontier
Sun 5/108:35 pm
PHL
- SAN
2 stops19h 08m
Frontier
Deal found 4/21![Frontier logo]()
$376
This Expedia deal was found by Cheapflights users on 4/21. 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.
Sat 5/236:53 pm
SAN
- PHL
2 stops17h 52m
Alaska Airlines
Wed 5/277:00 am
PHL
- SAN
2 stops14h 40m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:25 am
SAN
- PHL
1 stop20h 12m
Frontier
Wed 5/208:35 pm
PHL
- SAN
1 stop15h 07m
Frontier
Deal found 4/17![Frontier logo]()
$378
This Cheapflightsfares deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:25 pm
SAN
- PHL
1 stop14h 09m
Frontier
Thu 4/236:43 am
PHL
- SAN
1 stop14h 09m
Frontier
Deal found 4/19![Frontier logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:17 pm
SAN
- PHL
2 stops16h 30m
Frontier
Thu 6/2511:35 am
PHL
- SAN
1 stop10h 15m
Frontier
Deal found 4/17![Frontier logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Wed 6/179:53 pm
SAN
- PHL
1 stop29h 34m
Frontier
Tue 6/233:49 pm
PHL
- SAN
2 stops11h 04m
Frontier
Deal found 4/20![Frontier logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:29 pm
SAN
- PHL
2 stops12h 18m
Frontier
Wed 7/111:06 am
PHL
- SAN
1 stop12h 52m
Frontier
Deal found 4/17![Frontier logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:29 pm
SAN
- PHL
1 stop30h 58m
Frontier
Mon 6/297:20 am
PHL
- SAN
2 stops19h 33m
Frontier
Deal found 4/19![Frontier logo]()
$384
This Expedia deal was found by Cheapflights users on 4/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:15 am
SAN
- PHL
1 stop19h 20m
Frontier
Wed 5/68:35 pm
PHL
- SAN
1 stop15h 07m
Frontier
Deal found 4/20![Frontier logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Thu 5/146:25 am
SAN
- PHL
2 stops15h 19m
Multiple Airlines
Fri 5/156:29 pm
PHL
- SAN
1 stop20h 15m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$387
Best flights from San Diego to PhiladelphiaDiscover carefully curated flight deals from San Diego to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2026.
Discover carefully curated flight deals from San Diego to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2026.
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:20 am
SAN
- PHL
2 stops8h 45m
Southwest
Sat 5/95:35 am
PHL
- SAN
2 stops9h 30m
Southwest
Deal found 4/19![Southwest logo]()
$448
This Alaska Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:49 pm
SAN
- PHL
1 stop10h 13m
Alaska Airlines
Tue 5/57:22 am
PHL
- SAN
1 stop11h 31m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:13 pm
SAN
- PHL
1 stop7h 55m
Delta
Fri 6/263:38 pm
PHL
- SAN
1 stop8h 17m
Delta
Deal found 4/17![Delta logo]()
$495
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:55 am
SAN
- PHL
2 stops9h 45m
Southwest
Fri 7/35:00 am
PHL
- SAN
2 stops9h 20m
Southwest
Deal found 4/19![Southwest logo]()
$454
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1410:30 pm
SAN
- PHL
1 stop9h 32m
Delta
Mon 6/226:57 pm
PHL
- SAN
1 stop7h 38m
Delta
Deal found 4/19![Delta logo]()
$495
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/811:05 am
SAN
- PHL
2 stops9h 00m
Southwest
Wed 6/104:35 pm
PHL
- SAN
2 stops9h 15m
Southwest
Deal found 4/17![Southwest logo]()
$454
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:15 am
SAN
- PHL
1 stop9h 09m
Delta
Mon 6/295:16 am
PHL
- SAN
1 stop7h 17m
Delta
Deal found 4/20![Delta logo]()
$495
This Southwest deal was found by Cheapflights users on 4/21. 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.
Mon 6/812:55 pm
SAN
- PHL
2 stops8h 45m
Southwest
Sun 6/145:00 am
PHL
- SAN
2 stops8h 40m
Southwest
Deal found 4/21![Southwest logo]()
$487
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:10 pm
SAN
- PHL
1 stop31h 27m
Delta
Mon 5/186:45 pm
PHL
- SAN
1 stop7h 58m
Delta
Deal found 4/17![Delta logo]()
$519
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:05 pm
SAN
- PHL
2 stops8h 30m
Southwest
Mon 6/85:00 am
PHL
- SAN
2 stops9h 20m
Southwest
Deal found 4/19![Southwest logo]()
$487
This Delta deal was found by Cheapflights users on 4/21. 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 5/96:15 am
SAN
- PHL
1 stop7h 25m
Delta
Fri 5/157:01 pm
PHL
- SAN
1 stop7h 40m
Delta
Deal found 4/21![Delta logo]()
$523
This Southwest deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:30 am
SAN
- PHL
2 stops8h 55m
Southwest
Wed 5/1311:35 am
PHL
- SAN
2 stops9h 40m
Southwest
Deal found 4/18![Southwest logo]()
$503
Last-minute flights from San Diego to PhiladelphiaDiscover last-minute flight deals from San Diego to Philadelphia. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Philadelphia. Data last updated April 22, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:00 am
SAN
- PHL
2 stops29h 27m
Frontier
Fri 5/156:57 pm
PHL
- SAN
2 stops31h 53m
Frontier
Deal found 4/17![Frontier logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/18:49 pm
SAN
- PHL
2 stops29h 46m
Frontier
Wed 5/68:35 pm
PHL
- SAN
1 stop15h 07m
Frontier
Deal found 4/22![Frontier logo]()
$379
This Expedia deal was found by Cheapflights users on 4/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:15 am
SAN
- PHL
1 stop19h 20m
Frontier
Wed 5/68:35 pm
PHL
- SAN
1 stop15h 07m
Frontier
Deal found 4/20![Frontier logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Thu 5/79:37 am
SAN
- PHL
1 stop17h 00m
Frontier
Fri 5/88:35 pm
PHL
- SAN
2 stops27h 34m
Frontier
Deal found 4/21![Frontier logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Fri 5/89:37 am
SAN
- PHL
1 stop17h 00m
Frontier
Sun 5/108:35 pm
PHL
- SAN
2 stops19h 08m
Frontier
Deal found 4/21![Frontier logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:25 am
SAN
- PHL
1 stop20h 12m
Frontier
Wed 5/208:35 pm
PHL
- SAN
1 stop15h 07m
Frontier
Deal found 4/17![Frontier logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Thu 5/146:25 am
SAN
- PHL
2 stops15h 19m
Multiple Airlines
Fri 5/156:29 pm
PHL
- SAN
1 stop20h 15m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$387
This Frontier deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:25 am
SAN
- PHL
1 stop12h 49m
Frontier
Wed 5/2012:17 pm
PHL
- SAN
1 stop8h 42m
Frontier
Deal found 4/17![Frontier logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/189:37 am
SAN
- PHL
1 stop17h 00m
Frontier
Mon 5/2510:00 am
PHL
- SAN
2 stops25h 42m
Frontier
Deal found 4/20![Frontier logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Thu 5/211:38 pm
SAN
- PHL
2 stops12h 59m
Frontier
Thu 5/288:35 pm
PHL
- SAN
1 stop15h 07m
Frontier
Deal found 4/20![Frontier logo]()
$383
This Expedia deal was found by Cheapflights users on 4/21. 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.
Sat 5/236:53 pm
SAN
- PHL
2 stops17h 52m
Alaska Airlines
Wed 5/277:00 am
PHL
- SAN
2 stops14h 40m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$377
One-way flights from San Diego to PhiladelphiaSearch for one-way flight options from San Diego to Philadelphia. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
Search for one-way flight options from San Diego to Philadelphia. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
This Super.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:25 am
SAN
- PHL
1 stop20h 12m
Frontier
Deal found 4/19![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:25 am
SAN
- PHL
1 stop20h 12m
Frontier
Deal found 4/17![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Thu 5/286:25 am
SAN
- PHL
1 stop20h 12m
Frontier
Deal found 4/20![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:25 am
SAN
- PHL
1 stop26h 22m
Frontier
Deal found 4/18![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 4/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:25 am
SAN
- PHL
1 stop20h 12m
Frontier
Deal found 4/20![Frontier logo]()
$105
This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:25 am
SAN
- PHL
1 stop20h 12m
Frontier
Deal found 4/20![Frontier logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:53 pm
SAN
- PHL
1 stop29h 34m
Frontier
Deal found 4/17![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 4/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:25 am
SAN
- PHL
1 stop12h 49m
Frontier
Deal found 4/20![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:25 am
SAN
- PHL
2 stops23h 34m
Frontier
Deal found 4/17![Frontier logo]()
$113
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:07 pm
SAN
- PHL
1 stop29h 14m
Frontier
Deal found 4/21![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:00 am
SAN
- PHL
1 stop13h 54m
Frontier
Deal found 4/17![Frontier logo]()
$116
Find flight deals from San Diego to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $375 (Kiwi.com) |
One-way from | $85 (Super.com) |
Popular in | December |
Cheapest in | October |
Average price | $486 |
Good round-trip deal | $469 or less |
Good one-way deal | $244 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Philadelphia 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 April 22, 2026.
Use the filters below to find and compare flights from San Diego to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Tue 5/5
6:20 am-6:05 pm
2 stops8h 45m
Philadelphia
Sat 5/9
5:35 am-12:05 pm
2 stops9h 30m
$448
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Thu 6/18
11:55 am-12:40 am
2 stops9h 45m
Philadelphia
Fri 7/3
5:00 am-11:20 am
2 stops9h 20m
$454
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Mon 6/8
11:05 am-11:05 pm
2 stops9h 00m
Philadelphia
Wed 6/10
4:35 pm-10:50 pm
2 stops9h 15m
$454
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Sat 5/2
4:49 pm-6:02 am
1 stop10h 13m
Philadelphia
Tue 5/5
7:22 am-3:53 pm
1 stop11h 31m
$481
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Mon 6/8
12:55 pm-12:40 am
2 stops8h 45m
Philadelphia
Sun 6/14
5:00 am-10:40 am
2 stops8h 40m
$487
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Mon 6/1
1:05 pm-12:35 am
2 stops8h 30m
Philadelphia
Mon 6/8
5:00 am-11:20 am
2 stops9h 20m
$487
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Thu 6/18
7:13 pm-6:08 am
1 stop7h 55m
Philadelphia
Fri 6/26
3:38 pm-8:55 pm
1 stop8h 17m
$495
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Sun 6/14
10:30 pm-11:02 am
1 stop9h 32m
Philadelphia
Mon 6/22
6:57 pm-11:35 pm
1 stop7h 38m
$495
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Sun 6/21
6:15 am-6:24 pm
1 stop9h 09m
Philadelphia
Mon 6/29
5:16 am-9:33 am
1 stop7h 17m
$495
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Thu 5/7
6:30 am-6:25 pm
2 stops8h 55m
Philadelphia
Wed 5/13
11:35 am-6:15 pm
2 stops9h 40m
$503
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from San Diego to Philadelphia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Philadelphia in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Diego to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from San Diego with our price prediction graph.
SAN-PHL
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 San Diego to Philadelphia
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How far ahead should I book a flight from San Diego to Philadelphia?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Philadelphia. Price data was last updated on April 17, 2026.
Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Diego to Philadelphia?
Currently, October is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of $375). Flying from San Diego to Philadelphia in December is currently the most expensive (average of $496). 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 SAN to PHL?
Find hourly flight availability from San Diego to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Philadelphia as you normally would.
What’s the top layover airport for flights from San Diego to Philadelphia?
Share of 1-stop round-trip flights from San Diego to Philadelphia chosen by Cheapflights users in the past 12 months, using the same layover each way.
Houston (IAH) – chosen by Cheapflights users on 33% of 1-stop itineraries from San Diego to Philadelphia on Cheapflights.
What’s the cheapest layover airport for flights from San Diego to Philadelphia?
Average round-trip fare for 1-stop flights from San Diego to Philadelphia, chosen by Cheapflights users in the past 12 months, with the same layover each way.
San Francisco (SFO) is the most affordable 1-stop option, with an average round-trip price of $198.
What’s the fastest layover option from San Diego to Philadelphia?
Shortest average travel time for 1-stop one-way flights from San Diego to Philadelphia, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 45m.
Which airport typically offers the quickest layover for flights from San Diego to Philadelphia?
Average layover duration for 1-stop one-way flights from San Diego to Philadelphia, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 0h 45m.
The best insider tips for San Diego to Philadelphia flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Philadelphia trip
Our travel experts
Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated April 22, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from San Diego to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from San Diego to Philadelphia. 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 Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
King of Prussia
Reading
Camden
Ocean City
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark
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San Diego and Philadelphia flights
Browse other San Diego and Philadelphia flight options. Last updated on April 22, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on April 22, 2026.
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Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 22, 2026.
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Top 7 airlines flying from San Diego to Philadelphia
Discover the top 7 airlines that operate flights from San Diego to Philadelphia. 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 April 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$76 | Average$257 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$138 | Average$342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$251 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$500 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$298 | Average$392 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$318 | Average$461 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$349 | Average$465 | FlexibilityNo cancel fee | On-time63% |