Cheap flight tickets from San Diego International to Philadelphia

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Flight deals from San Diego International to Philadelphia

Looking for a cheap last-minute deal or the best return flight from San Diego International to Philadelphia? Find the lowest prices on one-way and return tickets right here.

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

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 flights are currently cheapest in May.

Direct flights from San Diego International to Philadelphia

Alternative San Diego International to Philadelphia routes

Looking for the cheapest, fastest or easiest route from San Diego International to Philadelphia? You could fly into the following airports instead.

San Diego to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundRM789
Cheapest month to flyMay
Average flight time5 hrs, 15 mins
Most popular airlineAmerican Airlines
Average flights per week118

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

There are 6 airports in Philadelphia: Philadelphia International, Blue Bell, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from San Diego International to Philadelphia is RM789. 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 15 minutes is the average flight time from San Diego International to Philadelphia.
American Airlines, Qatar Airways and Iberia fly direct from San Diego International to Philadelphia.
As of April 2025, there are 118 flights per week flying from San Diego International to Philadelphia.
The cheapest month to fly from San Diego International to Philadelphia is usually April 2025.
If you're flying from San Diego International Airport, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from RM789.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Philadelphia on Saturday, 3 May 2025.
Yes – the average flight time is 5 hours and 15 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 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.
In April, the average temperature is usually around 10°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
Currently, Frontier Airlines and American Airlines offer the cheapest flight tickets to Philadelphia.

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

  • Expect to be in the air for 5 hours 47 minutes. That's the average time for a direct flight from San Diego International Airport to Philadelphia.

  • Philadelphia is 3 hours ahead of San Diego, where San Diego International Airport is located. Philadelphia operates on the UTC-4 timezone.

  • The most popular route is from San Diego International Airport (SAN) to Philadelphia International Airport (PHL). You can select from 24 weekly services between these two airports. If you'd like to take off as soon as possible, the earliest flight from SAN to PHL is the 06:15 American Airlines option. If you're planning to fly out later on, the final departure is at 23:42 with American Airlines.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your flight from SAN to Philadelphia.

  • Going away during a peak time like July? High seasons (like Thanksgiving, Christmas/New Year and spring break) can easily add another hour at check-in and security. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • You can book a nonstop flight from San Diego International Airport to Philadelphia. Start your journey at SAN and touch down at Philadelphia International Airport (PHL).

  • Keep an eye out for offers from American Airlines. This carrier operates direct flights from San Diego International Airport to Philadelphia.

  • You don't need your passport or a visa to fly within United States. You will need a valid identity document though, such as an ID card or driver's licence. Make sure they're on your packing list once you've booked your cheap tickets from San Diego International Airport to Philadelphia.

  • Located around 5 kilometres from the centre of San Diego, SAN can be reached in about 9 minutes by car, depending on traffic. The journey on public transport takes roughly 20 minutes.

  • Want a hassle-free start to your journey? Stay near SAN. Whether you've booked an early flight from San Diego International Airport to Philadelphia or just don't want to be rushed, these hotels are just the thing:

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

  • RM418 is the best price for a one-way ticket from San Diego International Airport to Philadelphia. A return flight starts at RM789. These prices may change based on availability.

  • Lock in cheap tickets from SAN to Philadelphia by booking at least 9 months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • The cheapest month for tickets from San Diego International Airport to Philadelphia is May. Compare prices using the 'Whole month' tool and choose the date that offers the lowest fare.

  • Set up a Price Alert for cheap tickets from SAN to Philadelphia. There's no need to search every day to find out if fares have dropped. We'll notify you as soon as there's a change in price.

  • Use the filters to tailor your flights from San Diego International Airport to Philadelphia. Simply enter your preferred departure and arrival times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to find the best deals.

Airports in Philadelphia

Philadelphia International Airport (PHL)

Trenton-Mercer Airport (TTN)

  • Once your flight from San Diego International Airport to Philadelphia has touched down, you can make your way to the city centre in about 39 minutes by car. Central Philadelphia is roughly 56 kilometres from Trenton-Mercer Airport (TTN).

  • You can also travel using public transport, which will take about 1 hour and 43 minutes.

  • After your flight from SAN to Philadelphia, rest your head at a hotel near TTN. These are some comfortable accommodation options that'll help you slip into relaxation mode:

Best time to go to Philadelphia

  • August is the most popular month for flights from San Diego International Airport to Philadelphia. To skip the crowds, plan your trip to Philadelphia in February when things are quieter.

  • Lock in your flight from San Diego International Airport to Philadelphia for July to visit the city during its warmest month. Expect temperatures to range from 18ºC to 32ºC.

  • If you want cooler conditions, search for a cheap flight from SAN to Philadelphia in January when temperatures average between -7ºC and 9ºC.

More about Philadelphia

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in Philadelphia right here. Browse these hotels as soon as you've booked your flight from San Diego International Airport to Philadelphia:

  • Every great holiday has to include some sightseeing. Liberty Bell, Independence Hall and Philadelphia Museum of Art are must-visits when exploring Philadelphia.

Complete your Philadelphia trip with a car rental

  • Choose one of our car rentals in Philadelphia and see the sights at your leisure. Easily compare rates in one go to find the perfect set of wheels once you've locked in your hotel and cheap flights from San Diego International Airport to Philadelphia.

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