Cheap flights from San Diego, CA to Philadelphia, PA

Flights starting at $131. Choose between Frontier Airlines, Spirit Airlines, or Alaska Airlines to find the best price.

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Travelers usually depart from San Diego International, San Diego, CA - Old Town, San Diego, CA - La Jolla, McClellan–Palomar, or San Diego, CA - Seaport Village when they travel from San Diego to Philadelphia. Book your trip to arrive at Philadelphia International, Philadelphia, PA - Market Street bus stop, or Philadelphia, PA Greyhound Terminal. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, Alaska Airlines, United Airlines, and JetBlue Airways. San Diego and Philadelphia have 331 direct flights per week. When you arrive at Philadelphia, consider visiting National Mall, Statue of Liberty, Independence National Historical Park, PA, USA, Empire State Building, Staten Island, Lincoln Memorial, Manhattan Island, Metropolitan Museum of Art, and Times Square.

Check-in for a flight from San Diego to Philadelphia

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight

Weather in Philadelphia

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-2°C
February6°C-1°C
March10°C1°C
April16°C7°C
May22°C12°C
June26°C17°C
July30°C21°C
August29°C20°C
September25°C17°C
October19°C11°C
November12°C4°C
December7°C0°C
Hottest Month
30°C
July
Coldest month
-2°C
January
Sunny days
267
days per year
Snow days
9
days per year

14 day forecast

Sunday
10 Mar
99%
9°C2°C
17 Mar
84%
12°C8°C
Monday
11 Mar
11°C2°C
18 Mar
14°C8°C
Tuesday
12 Mar
16°C4°C
19 Mar
9°C3°C
Wednesday
13 Mar
19°C8°C
20 Mar
14°C3°C
Thursday
14 Mar
22°C9°C
21 Mar
19°C7°C
Friday
15 Mar
22°C14°C
22 Mar
20°C9°C
Saturday
16 Mar
52%
15°C9°C
23 Mar
20°C11°C

Frequently asked questions

What are the most popular routes to and from San Diego?
What are the most popular routes to and from Philadelphia?
Which airports are there in San Diego?
What airports are near San Diego?
What airports are near Philadelphia?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Diego and Philadelphia?
What is Virtual Interlining and how do I use it?
Which airlines fly between San Diego and Philadelphia?
When's the best time to travel between San Diego and Philadelphia?
What flights operate between San Diego and Philadelphia?
How many airports are there near San Diego?
How many airports are there near Philadelphia?
What time do nonstop (direct) flights between San Diego and Philadelphia depart?
What time do nonstop (direct) flights between San Diego and Philadelphia arrive?
What time do flights between San Diego and Philadelphia depart?
What time do flights between San Diego and Philadelphia arrive?

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