Cheap flights from Philadelphia to San Diego

Flights overview

Useful information for finding cheap flights from Philadelphia to San Diego and booking your next trip
Cheapest round-trip flights $215
Frontier 1 stop 16 hr Mon, Jun 8 — Wed, Jun 17
The cheapest round-trip flight from Philadelphia to San Diego is currently $215
Cheapest one-way flight $110
Frontier 1 stop 12 hr Mon, Jun 1
The cheapest one-way flight from Philadelphia to San Diego is currently $110
Cheapest nonstop flights $401
American Nonstop 6 hr Thu, May 28 — Wed, Jun 3
The cheapest nonstop round-trip flight from Philadelphia to San Diego is currently $401
Last-minute weekend getaway $260
Frontier 1 stop 16 hr Sat, May 9 — Mon, May 11
The cheapest last-minute weekend getaway from Philadelphia to San Diego is currently $260
Cheapest business class flights $483
Frontier 1 stop 16 hr Mon, Jun 8 — Tue, Jun 16
The cheapest business class round-trip flight from Philadelphia to San Diego is currently $483
Fastest flight 5 hr 40 min The fastest nonstop flight from Philadelphia to San Diego takes 5 hr 40 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Philadelphia to San Diego is typically October. The most expensive month to fly is typically March.
October
Cheapest
Typical prices: $180–330
March
Most expensive
Typical prices: $260–440

Popular airlines from Philadelphia to San Diego

  • American
    Nonstop
    from $401
    Typical price: $345–510
    21 weekly nonstop flights
    PHL - SAN Every day
    515 weekly connecting flights
    PHL - SAN Every day
  • Southwest
    from $401
    Typical price: $365–520
    442 weekly connecting flights
    PHL - SAN Every day
  • Delta
    from $421
    Typical price: $375–580
    292 weekly connecting flights
    PHL - SAN Every day
  • United
    from $416
    Typical price: $330–550
    257 weekly connecting flights
    PHL - SAN Every day
  • Frontier
    from $215
    Typical price: $210–450
    32 weekly connecting flights
    PHL - SAN Every day
  • Alaska
    from $448
    Typical price: $495–900
    22 weekly connecting flights
    PHL - SAN Every day

Popular airports near Philadelphia

  • Philadelphia International Airport (PHL)
    Philadelphia United States 19 min 7 mi
  • John F. Kennedy International Airport (JFK)
    New York United States 1 hr 54 min 87 mi
  • Newark Liberty International Airport (EWR)
    Newark United States 1 hr 27 min 73 mi
  • LaGuardia Airport (LGA)
    New York United States 1 hr 57 min 88 mi

Popular airports near San Diego

  • San Diego International Airport (SAN)
    San Diego United States 10 min 2 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 37 min 16 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 2 hr 2 min 111 mi
  • John Wayne Airport (SNA)
    Santa Ana United States 1 hr 21 min 78 mi

Frequently asked questions about flying from Philadelphia to San Diego

The cheapest flights from Philadelphia to San Diego are usually in October. Typical ticket prices in October range from $180 to $330.
The cheapest round-trip flight from Philadelphia to San Diego recently found on Google Flights was with Frontier from $215. The cheapest one-way flight was with Frontier from $110.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest American flight from Philadelphia to San Diego is $401, flying from May 28 to Jun 3.
  • The cheapest Southwest flight from Philadelphia to San Diego is $401, flying from May 24 to Jun 2.
  • The cheapest Delta flight from Philadelphia to San Diego is $421, flying from May 28 to Jun 3.
  • The cheapest United flight from Philadelphia to San Diego is $416, flying from May 28 to Jun 3.
  • The cheapest Frontier flight from Philadelphia to San Diego is $215, flying from Jun 8 to Jun 17.
  • The cheapest Alaska flight from Philadelphia to San Diego is $448, flying from May 30 to Jun 6.
The cheapest round-trip flight from Philadelphia to San Diego starts at $215 from Mon, Jun 8 to Wed, Jun 17. The cheapest one-way flight starts at $110 and departs on Mon, Jun 1.
5 hr 40 min is the shortest flight time from Philadelphia to San Diego.
Jun–Aug is when most people visit San Diego, where the weather's temperate year-round. Beaches are less crowded Dec–Feb, which bring cooler temperatures but brighter sun. Whale-watching season is from mid-Dec–mid-Mar. Major annual events include Comic-Con International (Jul), a massive comic book convention with workshops and film screenings. Fleet Week (autumn) is a large military appreciation event featuring Navy ship tours, an air show and more.
It's easy to use Google Flights to find the cheapest days to fly from Philadelphia to San Diego.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Philadelphia to San Diego really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Philadelphia to San Diego.

In terms of nonstop flights, American is the most popular. American offers 21 nonstop flights and 515 connecting flights per week. American flies from Philadelphia International Airport (PHL) to San Diego International Airport (SAN) .

Other popular airlines flying from Philadelphia to San Diego are:
  • Southwest offers 442 connecting flights per week. Southwest flies from Philadelphia International Airport (PHL) to San Diego International Airport (SAN) .
  • Delta offers 292 connecting flights per week. Delta flies from Philadelphia International Airport (PHL) to San Diego International Airport (SAN) .
  • United offers 257 connecting flights per week. United flies from Philadelphia International Airport (PHL) to San Diego International Airport (SAN) .
  • Frontier offers 32 connecting flights per week. Frontier flies from Philadelphia International Airport (PHL) to San Diego International Airport (SAN) .
  • Alaska offers 22 connecting flights per week. Alaska flies from Philadelphia International Airport (PHL) to San Diego International Airport (SAN) .
The number of connecting flights refers to distinct flights with at least one stop between Philadelphia and San Diego.
The cheapest round-trip flight from Philadelphia to San Diego recently found on Google Flights was with Frontier from $215. The cheapest one-way flight was with Frontier from $110.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest American flight from Philadelphia to San Diego is $401, flying from May 28 to Jun 3.
  • The cheapest Southwest flight from Philadelphia to San Diego is $401, flying from May 24 to Jun 2.
  • The cheapest Delta flight from Philadelphia to San Diego is $421, flying from May 28 to Jun 3.
  • The cheapest United flight from Philadelphia to San Diego is $416, flying from May 28 to Jun 3.
  • The cheapest Frontier flight from Philadelphia to San Diego is $215, flying from Jun 8 to Jun 17.
  • The cheapest Alaska flight from Philadelphia to San Diego is $448, flying from May 30 to Jun 6.
American flies direct from Philadelphia to San Diego.
  • There are 21 American direct flights from Philadelphia to San Diego per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Philadelphia and San Diego at price $260 is offered by Frontier from Sat, May 9 to Mon, May 11.
American flies direct from Philadelphia to San Diego.
  • There are 21 American direct flights from Philadelphia to San Diego per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Philadelphia to San Diego on a daily basis.
The cheapest direct (nonstop) round-trip flights between Philadelphia and San Diego start at $401 from Thu, May 28 to Wed, Jun 3 with American.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Philadelphia to San Diego, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Philadelphia and San Diego start at $483 from Mon, Jun 8 to Tue, Jun 16 with Frontier.
The cheapest economy class round-trip flights between Philadelphia and San Diego start at $215 from Mon, Jun 8 to Wed, Jun 17.
To book business class trips from Philadelphia to San Diego, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Philadelphia and San Diego starts at $260 from Sat, May 9 to Mon, May 11 with Frontier.
The cheapest last-minute deal between Philadelphia and San Diego at price $260 is offered by Frontier from Sat, May 9 to Mon, May 11.
To find last-minute flight deals from Philadelphia to San Diego, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

Popular trips from Philadelphia

  1. Seattle
    $314
    Jul 2 — Jul 8
    1 stop 16 hr 11 min Frontier
  2. Dublin
    $677
    Oct 26 — Nov 2
    1 stop 10 hr 15 min British Airways
  3. Cancún
    $202
    May 31 — Jun 9
    Nonstop 4 hr 5 min Frontier
  4. Denver
    $138
    May 24 — Jun 1
    1 stop 4 hr 29 min Frontier

Find cheap flights from Philadelphia to anywhere

Find cheap flights on popular routes