Cheap Flights from Philadelphia International to San Diego International

Compare Philadelphia International to San Diego International flight deals

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

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Flight deals from Philadelphia International to San Diego International

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

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

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

Direct flights from Philadelphia International to San Diego International

Philadelphia International to San Diego International: Alternative routes

Compare routes from Philadelphia International to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

Philadelphia to San Diego: Flight information

The things to know before you go.
Cheapest flight foundRs26,359
Cheapest month to flyAugust
Average flight time5 hrs, 48 mins
Most popular airlineAmerican Airlines
Average flights per week58

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

The best price we found for a return flight from Philadelphia International to San Diego International is Rs48,053. 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 48 minutes is the average flight time from Philadelphia International to San Diego International.
American Airlines, Qatar Airways and Iberia fly direct from Philadelphia International to San Diego International.
As of July 2025, there are 58 flights per week flying from Philadelphia International to San Diego International.
The cheapest month to fly from Philadelphia International to San Diego International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to San Diego International Airport on Saturday, 16 August 2025.
Yes – the average flight time is 5 hours and 48 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 San Diego 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 San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines and American Airlines offer the cheapest flight tickets to San Diego International.

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

  • Around 5 hours 45 minutes is how long you can expect to be travelling on a direct flight from Philadelphia International Airport to San Diego International Airport.

  • San Diego's timezone is UTC-7, which makes San Diego three hours behind Philadelphia.

  • Flights from PHL to SAN start from 08:20 — the earliest with American Airlines. The last service of the day is at 18:37 with American Airlines. Overall, you can take your pick of 48 weekly Philadelphia International Airport to San Diego International Airport flights.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your PHL to SAN flight.

  • During popular months such as August, you'll want to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during a peak period in general.

  • Travelling to San Diego (and then exploring more of United States!) is a breeze with American Airlines. This popular airline has direct flights from Philadelphia International Airport to San Diego International Airport.

  • Most passengers choose to fly with American Airlines on this route.

  • With 72.73% of its services arriving as scheduled, American Airlines is the most punctual carrier offering PHL to SAN flights.

  • If you'd like to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from Philadelphia International Airport to San Diego International Airport. These are the most popular stopovers between PHL and SAN:

    • Kansas City International Airport

    • Nashville International Airport

    • Phoenix Sky Harbour International Airport

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

  • Currently, Rs26,359 is the lowest price we've seen for a one-way Philadelphia International Airport to San Diego International Airport flight. The best price for a return plane ticket is Rs48,053. Remember that fares can change due to demand at the time of booking.

  • Get cheap tickets from PHL to SAN by booking six months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • Organise your trip for May. That's the cheapest month for flights from Philadelphia International Airport to San Diego International Airport. If you have flexibility with your dates, use the 'Whole month' tool to find the lowest airfare across each month.

  • You won't have to check every day to find out if fares have dropped when you create a Price Alert. We'll update you as soon as there's a better deal on cheap flights from PHL to SAN.

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

Handy information about Philadelphia International Airport (PHL)

  • PHL is located at Industrial Highway and Island Road.

  • Of all flights leaving Philadelphia International Airport, 78.93% land on schedule at their destination.

  • To get to Philadelphia International Airport from central Philadelphia, it'll take around 15 minutes by car. Of course, this depends on traffic conditions. It's approximately 19 kilometres from the airport to the city centre.

  • The journey on public transport typically takes 45 minutes.

  • Get your break off to a relaxed start by staying near PHL. Whether you have an early flight from Philadelphia International Airport to San Diego International Airport or just don't like being rushed, these hotels have you covered:

Arriving at San Diego International Airport (SAN)

  • If you're coming in on a late Philadelphia International Airport to San Diego International Airport flight, few things top the convenience of being near the terminal. Collect your bags from the carousel and then be resting shortly after at one of these accommodation options near SAN:

  • Grab a San Diego International Airport rental car and explore San Diego and beyond with your own set of wheels. Thrifty, Dollar and Budget are popular outlets to choose from here.

  • Booking your vehicle from San Diego International Airport around two weeks ahead can help you get the lowest rate.

Getting from San Diego International Airport (SAN) to central San Diego

  • The street address for SAN is Airport Drive.

  • San Diego International Airport is roughly 5 kilometres from central San Diego. The drive time takes around 10 minutes.

  • If you're travelling by public transport, expect a journey time of about 20 minutes.

When to fly to San Diego International Airport (SAN)

  • The quietest month for a flight from Philadelphia International Airport to San Diego International Airport is May, while July is the busiest. Pick the best time to visit San Diego based on whether you prefer a more relaxed vibe or a faster pace.

  • Lock in your flight from Philadelphia International Airport to San Diego International Airport for August if you want to visit San Diego during its warmest month. Expect temperatures of between 17ºC and 28ºC.

  • February sees average temperatures of between 7ºC and 23ºC. Search for cheap tickets from PHL to SAN sometime then if you'd rather travel in cooler conditions.

Explore more of United States

  • You've done San Diego, now it's time to discover more of United States. Journey about 177 kilometres north-west to Los Angeles to check off its leading sights. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you've got a jam-packed schedule ahead.

  • If you're ready to explore another major destination in United States, consider Phoenix, roughly 483 kilometres east of San Diego. Desert Botanical Garden, Heard Museum and Papago Park are among its highlights.

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