Cheap Flights from San Diego International to Philadelphia International

Compare San Diego International to Philadelphia International flight deals

Find the cheapest month or even day of the year to fly to Philadelphia International

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Flight deals from San Diego International to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from San Diego International Airport to Philadelphia International Airport? If you want to travel next month, return fares start from R 4,760. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Diego International to Philadelphia International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego International to Philadelphia International flights are currently cheapest in July.

Direct flights from San Diego International to Philadelphia International

San Diego to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundR 1,907
Cheapest month to flyJuly
Average flight time5 hrs, 19 mins
Most popular airlineAmerican Airlines
Average flights per week65

Finding cheap flights from San Diego International to Philadelphia International: Frequently asked questions

The best price we found for a return flight from San Diego International to Philadelphia International is R 4,422. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 19 minutes is the average flight time from San Diego International to Philadelphia International.
American Airlines, Iberia and British Airways fly direct from San Diego International to Philadelphia International.
As of June 2026, there are 65 flights per week flying from San Diego International to Philadelphia International.
The cheapest month to fly from San Diego International to Philadelphia International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Philadelphia International Airport on Tuesday, 23 June 2026.
Yes – the average flight time is 5 hours and 19 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and American Airlines offer the cheapest flight tickets to Philadelphia International.

Travelling from San Diego International Airport (SAN) to Philadelphia International Airport (PHL): what you need to know

  • Around 5 hours 15 minutes is how long you'll be travelling on a direct flight from San Diego International Airport to Philadelphia International Airport.

  • Philadelphia's timezone is UTC-4, which makes Philadelphia three hours ahead of San Diego.

  • Flights from SAN to PHL start at 06:15 — the earliest with American Airlines. The latest departure is at 23:42 with American Airlines. Overall, you can choose from 24 weekly San Diego International Airport to Philadelphia International Airport flights.

  • Arrive at the airport on time so you don't miss your SAN to PHL flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • You can expect bigger queues during popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a smart move.

  • American Airlines offers direct flights from San Diego International Airport to Philadelphia International Airport. Book with this popular airline, then get ready to discover the sights in Philadelphia — and maybe even more of United States if your schedule allows.

  • The majority of travellers choose to travel with American Airlines on this route.

  • American Airlines stands out as the most punctual carrier for SAN to PHL flights, with 84.24% of services arriving on schedule.

  • We make it easy to book a flight with a stopover. To see your options for tickets from San Diego International Airport to Philadelphia International Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour your chosen city. Top stopovers between SAN and PHL include:

    • Chicago Midway International Airport

    • Phoenix Sky Harbour International Airport

    • Denver International Airport

How to find the cheapest flights from San Diego International Airport (SAN) to Philadelphia International Airport (PHL)

  • At the moment, R 1,907 is the lowest price we've found for a one-way San Diego International Airport to Philadelphia International Airport flight. The best price for a return plane ticket is R 4,422. Bear in mind that fares can change due to demand at the time of booking.

  • To score cheap tickets from SAN to PHL, reserve your trip six months ahead of your departure date.

  • May is the cheapest month for flights from San Diego International Airport to Philadelphia International Airport. If you'd like to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • There's no need to check every day to see if fares have gone down when you create a Price Alert. We'll send you an update the moment there's a change in price on cheap flights from SAN to PHL.

  • Lock in the perfect flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from San Diego International Airport to Philadelphia International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about San Diego International Airport (SAN)

  • SAN is located at Airport Drive.

  • 71.38% of flights taking off from San Diego International Airport touch down at their destination on time.

  • San Diego International Airport is around 5 kilometres from central San Diego. If you're ride-sharing, catching a cab or driving from the centre, it'll take 10 minutes or so to get there, depending on the traffic.

  • Catching public transport? Expect a trip time of around 20 minutes.

  • Get your holiday off to a relaxed start by staying near SAN. Whether you have an early flight from San Diego International Airport to Philadelphia International Airport or want to avoid feeling rushed, these hotels are perfect:

Arriving at Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • You'll find PHL at Industrial Highway and Island Road.

  • From Philadelphia International Airport, Philadelphia is approximately 19 kilometres away. It takes around 15 minutes to reach the centre driving.

  • When travelling on public transport, expect a journey time of around 45 minutes.

When to fly to Philadelphia International Airport (PHL)

  • August is the busiest month for flights from San Diego International Airport to Philadelphia International Airport. For a quieter experience, visit Philadelphia in February.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Lock in your flights from San Diego International Airport to Philadelphia International Airport in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between -7ºC (19ºF) and 9ºC (48ºF). Look for cheap tickets from SAN to PHL around that time if you want to travel in cooler conditions.

Explore more of United States

  • Philadelphia has plenty to offer, but there are so many other parts of United States you'll want to see. About 129 kilometres north-east of Philadelphia, a trip to New York will fill your itinerary to the brim. Start with leading sights like Statue of Liberty, Central Park and Empire State Building.

  • If there's time to check out another great destination in United States, head for Boston, about 434 kilometres north-east of Philadelphia. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.