$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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PHL
Nov 21 — Nov 281
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 February or January, booked 70 days in advance, depart on a Saturday 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 October 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 October 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 11/168:20 pm -
2 stops14h 53m
Sat 11/219:55 pm -
1 stop13h 00m
Deal found 10/17![Frontier logo]()
$439
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:25 am -
2 stops24h 05m
Fri 11/207:20 am -
2 stops19h 37m
Deal found 10/19![Frontier logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Sat 12/194:16 pm -
1 stop9h 55m
Thu 12/3110:41 am -
2 stops16h 17m
Deal found 10/22![Frontier logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Sat 12/194:16 pm -
1 stop9h 55m
Wed 12/308:09 pm -
2 stops19h 20m
Deal found 10/22![Frontier logo]()
$442
This Trip.com deal was found by Cheapflights users on 10/20. 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.
Wed 10/214:53 pm -
1 stop29h 23m
Wed 10/287:02 am -
1 stop10h 36m
Deal found 10/20![Multiple Airlines logo]()
$443
This Expedia deal was found by Cheapflights users on 10/21. 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.
Wed 11/45:20 pm -
1 stop9h 12m
Mon 11/99:09 pm -
2 stops21h 49m
Deal found 10/21![Multiple Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 12/1012:53 pm -
2 stops13h 47m
Tue 12/157:00 am -
1 stop11h 10m
Deal found 10/19![Alaska Airlines logo]()
$445
This Expedia deal was found by Cheapflights users on 10/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:20 pm -
1 stop9h 12m
Wed 11/1812:36 pm -
2 stops14h 21m
Deal found 10/17![Multiple Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 10/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:41 pm -
2 stops11h 28m
Tue 10/203:52 pm -
2 stops11h 39m
Deal found 10/17![United Airlines logo]()
$447
This eDestinos deal was found by Cheapflights users on 10/17. 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.
Tue 10/204:53 pm -
1 stop27h 57m
Wed 10/287:00 am -
2 stops17h 34m
Deal found 10/17![Multiple Airlines logo]()
$448
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:06 am -
2 stops18h 26m
Mon 11/167:02 am -
1 stop10h 45m
Deal found 10/21![Alaska Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 12/216:36 am -
1 stop19h 45m
Thu 12/2410:41 am -
2 stops16h 17m
Deal found 10/21![Frontier logo]()
$450
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 October 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 October 22, 2026.
This Southwest deal was found by Cheapflights users on 10/21. 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.
Thu 2/251:30 pm -
2 stops8h 25m
Sun 2/285:20 pm -
2 stops8h 45m
Deal found 10/21![Southwest logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/194:16 pm -
2 stops21h 55m
Sat 1/306:14 pm -
2 stops25h 34m
Deal found 10/21![Alaska Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/108:40 am -
2 stops10h 00m
Sun 2/146:10 am -
1 stop8h 07m
Deal found 10/18![United Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 10/21. 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.
Wed 1/2010:40 pm -
1 stop9h 22m
Sat 1/236:13 pm -
1 stop7h 50m
Deal found 10/21![Delta logo]()
$501
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/212:23 pm -
1 stop7h 11m
Fri 1/14:58 pm -
1 stop8h 57m
Deal found 10/19![United Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 11/1210:48 am -
2 stops15h 44m
Sun 11/157:02 am -
1 stop11h 48m
Deal found 10/19![Alaska Airlines logo]()
$521
This Southwest deal was found by Cheapflights users on 10/21. 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.
Thu 11/57:10 am -
2 stops9h 15m
Tue 11/102:45 pm -
2 stops10h 25m
Deal found 10/21![Southwest logo]()
$521
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:20 pm -
1 stop9h 12m
Mon 11/237:00 am -
1 stop11h 55m
Deal found 10/17![Alaska Airlines logo]()
$521
This Southwest deal was found by Cheapflights users on 10/19. 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 12/2111:00 am -
2 stops9h 50m
Fri 1/15:00 am -
1 stop8h 10m
Deal found 10/19![Southwest logo]()
$552
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:20 pm -
1 stop9h 12m
Wed 11/187:02 am -
1 stop10h 45m
Deal found 10/17![Alaska Airlines logo]()
$521
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:20 pm -
1 stop9h 12m
Thu 11/197:02 am -
1 stop12h 14m
Deal found 10/17![Alaska Airlines logo]()
$521
Last-minute flights from San Diego to PhiladelphiaDiscover last-minute flight deals from San Diego to Philadelphia. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Philadelphia. Data last updated October 22, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 10/20. 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.
Wed 10/214:53 pm -
1 stop29h 23m
Wed 10/287:02 am -
1 stop10h 36m
Deal found 10/20![Multiple Airlines logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:05 pm -
1 stop16h 09m
Tue 10/277:02 am -
1 stop10h 36m
Deal found 10/20![Alaska Airlines logo]()
$442
This Booking.com deal was found by Cheapflights users on 10/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:34 pm -
1 stop7h 44m
Tue 10/274:17 pm -
1 stop20h 39m
Deal found 10/21![Multiple Airlines logo]()
$445
This Expedia deal was found by Cheapflights users on 10/21. 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.
Wed 11/45:20 pm -
1 stop9h 12m
Mon 11/99:09 pm -
2 stops21h 49m
Deal found 10/21![Multiple Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:32 am -
1 stop15h 00m
Sat 11/147:02 am -
2 stops14h 29m
Deal found 10/21![Alaska Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:06 am -
2 stops18h 26m
Mon 11/167:02 am -
1 stop10h 45m
Deal found 10/21![Alaska Airlines logo]()
$449
This Expedia deal was found by Cheapflights users on 10/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:20 pm -
1 stop9h 12m
Wed 11/1812:36 pm -
2 stops14h 21m
Deal found 10/17![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Sat 11/146:25 am -
2 stops13h 41m
Sun 11/229:55 pm -
1 stop13h 00m
Deal found 10/17![Frontier logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 11/168:20 pm -
2 stops14h 53m
Sat 11/219:55 pm -
1 stop13h 00m
Deal found 10/17![Frontier logo]()
$439
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:25 am -
2 stops24h 05m
Fri 11/207:20 am -
2 stops19h 37m
Deal found 10/19![Frontier logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Fri 11/205:29 pm -
2 stops38h 42m
Wed 11/259:55 pm -
1 stop13h 00m
Deal found 10/18![Frontier logo]()
$450
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 October 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 October 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Wed 12/168:57 am -
2 stops11h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$159
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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.
Wed 11/255:29 pm -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 10/268:34 pm -
1 stop7h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 10/19. 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.
Fri 11/208:50 am -
1 stop18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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.
Sun 10/256:25 am -
1 stop15h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/136:25 am -
2 stops30h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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.
Sun 12/204:16 pm -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$165
This Flightnetwork deal was found by Cheapflights users on 10/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:50 am -
1 stop18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$166
This Super.com deal was found by Cheapflights users on 10/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:29 pm -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$170
This Super.com deal was found by Cheapflights users on 10/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:50 am -
1 stop18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Frontier logo]()
$172
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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $439 (Kiwi.com) |
One-way from | $159 (Kiwi.com) |
Popular in | October |
Cheapest in | February |
Average price | $562 |
Good round-trip deal | $547 or less |
Good one-way deal | $343 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 October 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
Quickest round-trip
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Fri 1/29
6:50 am-4:40 pm
1 stop6h 50m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$178
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Mon 11/30
10:35 pm-1:15 pm
1 stop11h 40m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$198
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Mon 11/2
8:05 am-6:41 pm
1 stop7h 36m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$209
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Thu 11/12
5:20 pm-5:32 am
1 stop9h 12m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$219
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Tue 12/15
4:08 pm-5:40 am
1 stop10h 32m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$219
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Fri 12/18
7:10 pm-5:31 am
1 stop7h 21m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$219
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Wed 11/4
5:20 pm-5:32 am
1 stop9h 12m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$219
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Sat 10/31
6:20 am-7:31 pm
2 stops10h 11m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$224
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Mon 2/15
10:40 pm-9:27 am
1 stop7h 47m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$303
San DiegoPhiladelphia
SAN San Diego - PHL Philadelphia
SANPHL
San Diego
Fri 3/26
10:05 pm-10:25 am
2 stops9h 20m
Philadelphia
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$309
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 October.
| 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
Airlines
How far ahead should I book a flight from San Diego to Philadelphia?
Booking 69 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, February is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of $421). Flying from San Diego to Philadelphia in October is currently the most expensive (average of $562). 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 October 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.
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 October 22, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
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
King of Prussia
Reading
Camden
Dover
Ocean City
Wildwood Crest
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Milford
Ephrata
Elkton
Essington
New Castle
Willow Grove
Glen Mills
Vineland
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Diego to Philadelphia
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Complete your trip
Complete your trip to Philadelphia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Philadelphia by cabin class
Find flights from San Diego to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Philadelphia flights
Browse other San Diego and Philadelphia flight options. Last updated on October 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 October 22, 2026.
Other flights to Philadelphia
Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$301 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$266 | Average$500 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$308 | Average$476 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$508 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$340 | Average$423 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$372 | Average$524 | FlexibilityNo cancel fee | On-time71% |