Find Cheap Flights from Philadelphia to San Diego (PHL - SAN)

Flights overview

Useful information for finding cheap flights from Philadelphia to San Diego and booking your next trip

Cheapest round-trip flights	$200	Frontier 1 stop 31 hr Fri, Apr 10 — Thu, Apr 16	The cheapest round-trip flight from Philadelphia to San Diego is currently $200
Cheapest one-way flight	$100	Frontier 1 stop 9 hr Wed, Apr 22	The cheapest one-way flight from Philadelphia to San Diego is currently $100
Cheapest nonstop flights	$341	American Nonstop 7 hr Sat, Mar 14 — Sat, Mar 21	The cheapest nonstop round-trip flight from Philadelphia to San Diego is currently $341
Last-minute weekend getaway	$344	Southwest 1 stop 8 hr Sat, Feb 14 — Sun, Feb 15	The cheapest last-minute weekend getaway from Philadelphia to San Diego is currently $344
Cheapest business class flights	$418	Frontier 1 stop 16 hr Sat, Apr 25 — Sat, May 2	The cheapest business class round-trip flight from Philadelphia to San Diego is currently $418

Fastest flight	5 hr 51 min	The fastest nonstop flight from Philadelphia to San Diego takes 5 hr 51 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 March. The most expensive month to fly is typically July.

March Cheapest	Typical prices: $170–340
July Most expensive	Typical prices: $255–325

Popular airlines from Philadelphia to San Diego

American

Nonstop

from $267

Typical price: $335–510

18 weekly nonstop flights

PHL - SAN Every day

489 weekly connecting flights

PHL - SAN Every day
Southwest

from $206

Typical price: $365–530

372 weekly connecting flights

PHL - SAN Every day
Delta

from $361

Typical price: $350–580

243 weekly connecting flights

PHL - SAN Every day
United

from $253

Typical price: $330–530

193 weekly connecting flights

PHL - SAN Every day
JetBlue

from $301

Typical price: $365–900

31 weekly connecting flights

PHL - SAN Every day
Alaska

from $434

Typical price: $510–950

24 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 58 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 March. Typical ticket prices in March range from $170 to $340.

The cheapest round-trip flight from Philadelphia to San Diego recently found on Google Flights was with Frontier from $200. The cheapest one-way flight was with Frontier from $100.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Philadelphia to San Diego is $267, flying from Apr 11 to Apr 18.
The cheapest Southwest flight from Philadelphia to San Diego is $206, flying from Mar 2 to Mar 10.
The cheapest Delta flight from Philadelphia to San Diego is $361, flying from May 9 to May 16.
The cheapest United flight from Philadelphia to San Diego is $253, flying from Apr 18 to Apr 25.
The cheapest JetBlue flight from Philadelphia to San Diego is $301, flying from Mar 2 to Mar 11.
The cheapest Alaska flight from Philadelphia to San Diego is $434, flying from May 2 to May 9.

The cheapest round-trip flight from Philadelphia to San Diego starts at $200 from Fri, Apr 10 to Thu, Apr 16. The cheapest one-way flight starts at $100 and departs on Wed, Apr 22.

5 hr 51 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 18 nonstop flights and 489 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 372 connecting flights per week. Southwest flies from Philadelphia International Airport (PHL) to San Diego International Airport (SAN) .
Delta offers 243 connecting flights per week. Delta flies from Philadelphia International Airport (PHL) to San Diego International Airport (SAN) .
United offers 193 connecting flights per week. United flies from Philadelphia International Airport (PHL) to San Diego International Airport (SAN) .
JetBlue offers 31 connecting flights per week. JetBlue flies from Philadelphia International Airport (PHL) to San Diego International Airport (SAN) .
Alaska offers 24 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 $200. The cheapest one-way flight was with Frontier from $100.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Philadelphia to San Diego is $267, flying from Apr 11 to Apr 18.
The cheapest Southwest flight from Philadelphia to San Diego is $206, flying from Mar 2 to Mar 10.
The cheapest Delta flight from Philadelphia to San Diego is $361, flying from May 9 to May 16.
The cheapest United flight from Philadelphia to San Diego is $253, flying from Apr 18 to Apr 25.
The cheapest JetBlue flight from Philadelphia to San Diego is $301, flying from Mar 2 to Mar 11.
The cheapest Alaska flight from Philadelphia to San Diego is $434, flying from May 2 to May 9.

American flies direct from Philadelphia to San Diego.

There are 18 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 $344 is offered by Southwest from Sat, Feb 14 to Sun, Feb 15.

American flies direct from Philadelphia to San Diego.

There are 18 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 $341 from Sat, Mar 14 to Sat, Mar 21 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 $418 from Sat, Apr 25 to Sat, May 2 with Frontier.

The cheapest economy class round-trip flights between Philadelphia and San Diego start at $200 from Fri, Apr 10 to Thu, Apr 16.

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 $344 from Sat, Feb 14 to Sun, Feb 15 with Southwest.

The cheapest last-minute deal between Philadelphia and San Diego at price $344 is offered by Southwest from Sat, Feb 14 to Sun, Feb 15.

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.