160 € Cheap Flights from San Diego International to Philadelphia

Compare San Diego International to Philadelphia flight deals

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

Book the best Philadelphia fare with no extra fees

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 March.

Direct flights from San Diego International to Philadelphia

San Diego to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found160 €
Cheapest month to flyFebruary
Average flight time5 hrs, 15 mins
Most popular airlineAmerican Airlines
Average flights per week180

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 160 €. 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, Iberia and British Airways fly direct from San Diego International to Philadelphia.
As of February 2026, there are 180 flights per week flying from San Diego International to Philadelphia.
The cheapest month to fly from San Diego International to Philadelphia is usually February.
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 160 €.
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 Wednesday, 25 February 2026.
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 February, the average temperature is usually around 0°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 offers the cheapest flight tickets to Philadelphia.

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

  • The average duration of a direct flight from San Diego International Airport to Philadelphia is 5 hours 50 minutes.

  • San Diego International Airport is located in San Diego. Based in the UTC-4 timezone, Philadelphia is three hours ahead of San Diego.

  • The busiest route is from San Diego International Airport (SAN) to Philadelphia International Airport (PHL). You can choose from 20 weekly services between these two airports. If you'd like to head off as soon as possible, the earliest flight from SAN to PHL is the 06:15 American Airlines option. If you prefer to travel later, the last departure is at 23:00 with American Airlines.

  • Give yourself plenty of time to catch your SAN to Philadelphia flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Longer lines at check-in and security are likely if you're heading away during high season, so give yourself some extra breathing room. A good rule of thumb for peak periods? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • Start your trip at SAN and fly straight to Philadelphia International Airport (PHL). That's where you can expect to land when searching for San Diego International Airport to Philadelphia tickets.

  • Book your favourite seat with American Airlines. This leading carrier operates direct flights from San Diego International Airport to Philadelphia.

  • Located around 3 kilometres from central San Diego, SAN can be reached in about 10 minutes by car (depending on traffic). The journey on public transport will take roughly 20 minutes.

  • In search of a hotel close to SAN? If you're boarding an early flight from San Diego International Airport to Philadelphia, these stays put the terminal practically at your doorstep:

  • 71.38% of flights that take off from San Diego International Airport arrive at their destination on time.

  • SAN is located at N Harbour Dr.

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

  • The best price we've found for a one-way San Diego International Airport to Philadelphia flight is 81 €. The cheapest price for a return flight is 160 €. Remember fares can change due to demand at the time of booking.

  • Book one month before you travel. Pricing trends show that this is the ideal window for finding cheap flights from SAN to Philadelphia.

  • May is the best month for nabbing an awesome deal on San Diego International Airport to Philadelphia tickets. If you need to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • You don't need to keep checking in to see if fares have dropped when you set up a Price Alert. We'll update you as soon as there's an even bigger deal on cheap flights from SAN to Philadelphia.

  • Snag an affordable flight from San Diego International Airport to Philadelphia with the help of our filters. Select your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Philadelphia International Airport (PHL) is around 19 kilometres from central Philadelphia. If you're grabbing a cab or a ride-share, the drive takes about 15 minutes.

  • Getting to the centre by public transport typically takes 45 minutes.

  • If you have a late flight from San Diego International Airport to Philadelphia, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and sleeping not long after at one of these accommodation options near PHL:

  • Pick up a Philadelphia International Airport rental car and discover Philadelphia and beyond with your own set of wheels. Dollar, Thrifty and Budget are popular providers you can book with here.

  • Secure the lowest price by booking your ride from Philadelphia International Airport around three weeks ahead of your flight from SAN to Philadelphia.

  • You'll find PHL at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • Trenton-Mercer Airport (TTN) is around 56 kilometres from the centre of Philadelphia. Following your flight from San Diego International Airport to Philadelphia, it'll take you around 40 minutes to get to the heart of the city in a cab or ride-share.

  • You can expect the journey to take about 1 hour 45 minutes on public transport.

  • Hang up the 'Do not disturb' sign and rest at a hotel close to TTN. Here are a few options where you can check in after your SAN to Philadelphia flight:

  • The fastest way to reach your destination is with a Trenton-Mercer Airport rental car. Pick up a set of wheels from Budget, National or Enterprise and be off and running.

  • Snap up a deal by booking your ride from TTN four weeks in advance. You can also expect to have a bigger selection of vehicles.

  • You'll find Trenton-Mercer Airport at Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • Carefully consider your dates before booking your flight from San Diego International Airport to Philadelphia. The city comes alive in peak season, but rates are typically higher and major attractions can get busy. Plan your trip to Philadelphia in low season if you prefer a quieter vibe.

  • When booking your San Diego International Airport to Philadelphia plane ticket, think about what kind of weather works for you. July is the warmest month in Philadelphia, with temperatures ranging from 18ºC (64ºF) to 32ºC (90ºF).

  • January has average temperatures of between -7ºC (19ºF) and 9ºC (48ºF). Search for a cheap ticket from SAN to Philadelphia around that time if you like travelling in cooler conditions.

More about Philadelphia

Explore more of United States

  • You've done Philadelphia, now it's time to explore other parts of United States. Journey about 129 kilometres north-east to New York to check off its top attractions. From Statue of Liberty to Central Park and Empire State Building, there's plenty to keep you busy.

  • If you're ready to explore 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 reasons to visit.

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