A large bridge spanning a body of water with a city skyline in the background.

฿12,005 Cheap Delta flights from Philadelphia to San Diego (PHL→SAN)

View ฿12,005 flight on Tue, 20 Oct 2026Opens in a new window

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Delta flights from Philadelphia to San Diego (PHL→SAN)

Prices were available within the past 7 days and start at ฿12,005 for one-way flights and ฿17,655 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 20 Oct - Mon, 26 Oct
PHL
Philadelphia
SAN
San Diego
฿17,655 Return, found 1 day ago
฿17,655
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Oct from Philadelphia to San Diego, returning Mon, 26 Oct, priced at ฿17,655 found 1 day ago
Delta
Tue, 20 Oct - Mon, 26 Oct
PHL
Philadelphia
SAN
San Diego
฿21,860 Return, found 1 day ago
฿21,860
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Oct from Philadelphia to San Diego, returning Mon, 26 Oct, priced at ฿21,860 found 1 day ago
Delta
Tue, 20 Oct - Mon, 26 Oct
PHL
Philadelphia
SAN
San Diego
฿23,580 Return, found 1 day ago
฿23,580
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Oct from Philadelphia to San Diego, returning Mon, 26 Oct, priced at ฿23,580 found 1 day ago
Delta
Tue, 20 Oct - Mon, 26 Oct
PHL
Philadelphia
SAN
San Diego
฿24,035 Return, found 1 day ago
฿24,035
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Oct from Philadelphia to San Diego, returning Mon, 26 Oct, priced at ฿24,035 found 1 day ago
Delta
Tue, 20 Oct - Mon, 26 Oct
PHL
Philadelphia
SAN
San Diego
฿24,215 Return, found 1 day ago
฿24,215
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Oct from Philadelphia to San Diego, returning Mon, 26 Oct, priced at ฿24,215 found 1 day ago
Delta
Tue, 20 Oct - Mon, 26 Oct
PHL
Philadelphia
SAN
San Diego
฿24,665 Return, found 1 day ago
฿24,665
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Oct from Philadelphia to San Diego, returning Mon, 26 Oct, priced at ฿24,665 found 1 day ago
Delta
Tue, 20 Oct - Mon, 26 Oct
PHL
Philadelphia
SAN
San Diego
฿24,735 Return, found 1 day ago
฿24,735
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Oct from Philadelphia to San Diego, returning Mon, 26 Oct, priced at ฿24,735 found 1 day ago
Delta
Tue, 20 Oct - Mon, 26 Oct
PHL
Philadelphia
SAN
San Diego
฿25,330 Return, found 1 day ago
฿25,330
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Oct from Philadelphia to San Diego, returning Mon, 26 Oct, priced at ฿25,330 found 1 day ago
Delta
Tue, 20 Oct - Mon, 26 Oct
PHL
Philadelphia
SAN
San Diego
฿25,460 Return, found 1 day ago
฿25,460
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Oct from Philadelphia to San Diego, returning Mon, 26 Oct, priced at ฿25,460 found 1 day ago
Delta
Tue, 20 Oct - Mon, 26 Oct
PHL
Philadelphia
SAN
San Diego
฿26,320 Return, found 1 day ago
฿26,320
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Oct from Philadelphia to San Diego, returning Mon, 26 Oct, priced at ฿26,320 found 1 day ago

Find the cheapest month to fly from Philadelphia (PHL) to San Diego (SAN)

August is typically the cheapest month to fly

From ฿6,555 - ฿14,211 per traveller.

Frequently asked questions

How much is a Delta Air Lines flight from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN)?
Grab affordable return Delta Air Lines flights from ฿17,655 from PHL to SAN by organising your results from "Price (lowest to highest)" on Expedia. Or search for deals from ฿12,005 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PHL to SAN with Delta Air Lines?
January is one of the least expensive months to fly to San Diego with Delta Air Lines. You could also find fantastic deals on one-way and return fares in November.
Does Delta Air Lines fly nonstop from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN)?
Enter your dates, click search and check "Nonstop" on Expedia to find any direct flights from PHL to SAN with Delta Air Lines or another airline.
What airports does Delta Air Lines fly into in San Diego?
San Diego Intl. Airport (SAN) is the primary San Diego hub for Delta Air Lines flights from Philadelphia Intl. Airport (PHL).
Can I change or cancel my Delta Air Lines flight from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN)?
Changes are often free within 24 hours of making your booking, but your airline may add a charge after that. For more details about modifying your flights, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to change your itinerary without being charged, apply the "Changes included" and "No cancel fee" filters when planning your next escape.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
San Diego Intl.
Distance
3784 km
Average flight time
3 hours 31 mins

Explore a world of travel with Expedia

*Available to Expedia members.