$159+ Cheap flights from San Diego to Philadelphia (SAN - PHL)
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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PHL
Oct 7 — Oct 141
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 February, booked 43 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
Cheap flight deals from San Diego to Philadelphia
Cheapest
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 September 7, 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 September 7, 2026.
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 11/128:32 pm -
2 stops18h 42m
Sat 11/219:41 pm -
1 stop12h 43m
Deal found 9/2![Frontier logo]()
$394
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:17 pm -
1 stop22h 28m
Sat 9/196:59 pm -
1 stop18h 47m
Deal found 9/6![Alaska Airlines logo]()
$395
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 9/263:50 pm -
1 stop10h 50m
Tue 9/297:00 am -
2 stops14h 43m
Deal found 9/7![Alaska Airlines logo]()
$396
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 10/11:05 pm -
2 stops8h 55m
Mon 10/58:15 pm -
1 stop7h 20m
Deal found 9/3![Southwest logo]()
$398
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:50 pm -
1 stop10h 50m
Sat 10/37:02 am -
2 stops16h 38m
Deal found 9/6![Alaska Airlines logo]()
$399
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 am -
2 stops9h 39m
Fri 9/1110:30 am -
1 stop7h 27m
Deal found 9/5![United Airlines logo]()
$400
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:25 am -
2 stops13h 53m
Sat 10/1012:35 pm -
2 stops14h 21m
Deal found 9/3![Frontier logo]()
$403
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 9/3010:30 pm -
1 stop8h 39m
Wed 10/76:10 am -
1 stop8h 15m
Deal found 9/4![United Airlines logo]()
$404
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:34 am -
2 stops18h 47m
Mon 10/265:50 am -
1 stop13h 18m
Deal found 9/3![Frontier logo]()
$405
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:55 am -
2 stops15h 46m
Mon 10/267:02 am -
1 stop10h 36m
Deal found 9/6![Alaska Airlines logo]()
$406
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 12/171:25 pm -
1 stop7h 40m
Fri 12/255:25 am -
2 stops9h 25m
Deal found 9/3![Southwest logo]()
$408
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.
Fri 9/116:45 pm -
2 stops18h 42m
Sat 9/198:00 am -
1 stop30h 52m
Deal found 9/7![Multiple Airlines logo]()
$409
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 September 7, 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 September 7, 2026.
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 11/266:40 am -
1 stop6h 25m
Tue 12/16:20 pm -
1 stop8h 00m
Deal found 9/2![Southwest logo]()
$393
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.
Tue 11/1010:40 am -
1 stop7h 58m
Sun 11/157:45 am -
1 stop8h 11m
Deal found 9/3![United Airlines logo]()
$427
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:22 pm -
1 stop19h 23m
Sun 11/157:02 am -
1 stop10h 45m
Deal found 9/2![Alaska Airlines logo]()
$427
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.
Mon 11/910:30 pm -
1 stop8h 22m
Thu 11/1210:00 am -
1 stop10h 15m
Deal found 9/4![United Airlines logo]()
$427
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:17 pm -
1 stop22h 28m
Thu 9/244:48 pm -
1 stop20h 42m
Deal found 9/5![Alaska Airlines logo]()
$427
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.
Mon 11/2312:30 pm -
2 stops8h 35m
Fri 11/275:00 am -
1 stop9h 00m
Deal found 9/5![Southwest logo]()
$464
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 10/3012:05 pm -
1 stop7h 52m
Sun 11/110:00 am -
1 stop7h 55m
Deal found 9/3![United Airlines logo]()
$441
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.
Sat 10/1010:20 am -
2 stops9h 55m
Sat 10/175:25 am -
2 stops9h 30m
Deal found 9/4![Southwest logo]()
$469
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:45 pm -
1 stop8h 58m
Tue 10/271:20 pm -
2 stops12h 07m
Deal found 9/6![United Airlines logo]()
$452
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:15 am -
2 stops9h 39m
Sat 9/191:30 pm -
2 stops12h 17m
Deal found 9/6![United Airlines logo]()
$458
Last-minute flights from San Diego to PhiladelphiaDiscover last-minute flight deals from San Diego to Philadelphia. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Philadelphia. Data last updated September 7, 2026 and is based on user searches.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 am -
2 stops9h 39m
Fri 9/1110:30 am -
1 stop7h 27m
Deal found 9/5![United Airlines logo]()
$400
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.
Fri 9/116:45 pm -
2 stops18h 42m
Sat 9/198:00 am -
1 stop30h 52m
Deal found 9/7![Multiple Airlines logo]()
$409
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:17 pm -
1 stop22h 28m
Sat 9/196:59 pm -
1 stop18h 47m
Deal found 9/6![Alaska Airlines logo]()
$395
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.
Wed 9/168:45 am -
1 stop7h 40m
Tue 9/221:30 pm -
2 stops9h 32m
Deal found 9/7![United Airlines logo]()
$412
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 9/263:50 pm -
1 stop10h 50m
Tue 9/297:00 am -
2 stops14h 43m
Deal found 9/7![Alaska Airlines logo]()
$396
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:50 pm -
1 stop10h 50m
Sat 10/37:02 am -
2 stops16h 38m
Deal found 9/6![Alaska Airlines logo]()
$399
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 9/3010:30 pm -
1 stop8h 39m
Wed 10/76:10 am -
1 stop8h 15m
Deal found 9/4![United Airlines logo]()
$404
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 10/11:05 pm -
2 stops8h 55m
Mon 10/58:15 pm -
1 stop7h 20m
Deal found 9/3![Southwest logo]()
$398
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:25 am -
2 stops13h 53m
Sat 10/1012:35 pm -
2 stops14h 21m
Deal found 9/3![Frontier logo]()
$403
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.
Sat 10/36:25 am -
2 stops13h 53m
Thu 10/85:50 am -
1 stop21h 06m
Deal found 9/3![Frontier logo]()
$410
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:34 am -
2 stops18h 47m
Mon 10/265:50 am -
1 stop13h 18m
Deal found 9/3![Frontier logo]()
$405
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.
Thu 10/226:51 pm -
2 stops17h 23m
Mon 10/267:02 am -
1 stop10h 36m
Deal found 9/7![Alaska Airlines logo]()
$406
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 September 7, 2026.
Search for one-way flight options from San Diego to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:50 pm -
1 stop10h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$159
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:54 pm -
2 stops21h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$160
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.
Tue 12/14:41 pm -
2 stops48h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$161
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 10/29:03 pm -
2 stops23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Wed 9/306:25 am -
2 stops21h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$163
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.
Mon 9/288:06 pm -
1 stop16h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Alaska Airlines logo]()
$164
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:03 pm -
2 stops18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$165
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.
Mon 9/146:18 am -
1 stop10h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$166
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:04 pm -
1 stop7h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$169
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $393 (Southwest) |
One-way from | $159 (Alaska Airlines) |
Popular in | July |
Cheapest in | October |
Average price | $463 |
Good round-trip deal | $525 or less |
Good one-way deal | $325 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 7,457,451 searches. Data last updated September 7, 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
Quickest round-trip
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Wed 9/16
6:41 am-5:54 pm
1 stop8h 13m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$159
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Tue 9/22
10:30 pm-10:02 am
1 stop8h 32m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$159
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Thu 11/19
10:30 pm-9:52 am
1 stop8h 22m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$159
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Fri 11/6
7:45 pm-4:45 pm
1 stop18h 00m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$164
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Mon 9/14
9:45 pm-9:43 am
1 stop8h 58m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$169
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Thu 3/4
11:00 am-11:08 pm
2 stops9h 08m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$174
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Fri 10/2
4:50 pm-5:40 am
1 stop9h 50m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$177
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Thu 10/15
10:40 pm-10:50 am
1 stop9h 10m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$197
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Thu 9/17
8:06 pm-3:45 pm
1 stop16h 39m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$219
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Sat 9/12
7:41 pm-10:02 am
2 stops11h 21m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$219
Showing 1-10 of 21 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | 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
Prices
More
How far ahead should I book a flight from San Diego to Philadelphia?
Booking 42 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 $416). Flying from San Diego to Philadelphia in July is currently the most expensive (average of $537). 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 September 7, 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 60% 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 Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 7h 31m.
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
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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 September 7, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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
Reading
King of Prussia
Camden
Wildwood Crest
Cherry Hill
Ocean City
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Vineland
Millville
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San Diego and Philadelphia flights
Browse other San Diego and Philadelphia flight options. Last updated on September 7, 2026.
Other flights from San Diego
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Top 6 airlines flying from San Diego to Philadelphia
Discover the top 6 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$289 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$208 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$430 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$475 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$340 | Average$423 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$344 | Average$496 | FlexibilityNo cancel fee | On-time71% |