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Cheap Flights from San Diego to Philadelphia

Compare San Diego to Philadelphia flight deals

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

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Flight deals from San Diego to Philadelphia

Looking for a cheap last-minute deal or the best return flight from San Diego to Philadelphia? If you want to travel next month, return fares start from R 3,897. Find the lowest prices on one-way and return tickets right here.
Philadelphia.R 1,934 per passenger.Departing Thu, 20 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Thu, 20 Aug, arriving in Philadelphia International.Price includes taxes and charges.From R 1,934, select.
Philadelphia.R 2,007 per passenger.Departing Mon, 28 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Mon, 28 Sep, arriving in Philadelphia International.Price includes taxes and charges.From R 2,007, select.
Philadelphia.R 2,095 per passenger.Departing Tue, 6 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Tue, 6 Oct, arriving in Philadelphia International.Price includes taxes and charges.From R 2,095, select.
Philadelphia.R 2,266 per passenger.Departing Tue, 10 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Tue, 10 Nov, arriving in Philadelphia International.Price includes taxes and charges.From R 2,266, select.
Philadelphia.R 2,713 per passenger.Departing Sat, 12 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Sat, 12 Dec, arriving in Philadelphia International.Price includes taxes and charges.From R 2,713, select.
Philadelphia.R 2,777 per passenger.Departing Sat, 18 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Sat, 18 Jul, arriving in Philadelphia International.Price includes taxes and charges.From R 2,777, select.
Philadelphia.R 3,495 per passenger.Departing Tue, 5 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Tue, 5 Jan, arriving in Philadelphia International.Price includes taxes and charges.From R 3,495, select.
Philadelphia.R 4,212 per passenger.Departing Sun, 21 Feb.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Sun, 21 Feb, arriving in Philadelphia International.Price includes taxes and charges.From R 4,212, select.
Philadelphia.R 5,016 per passenger.Departing Sat, 10 Apr.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from San Diego International on Sat, 10 Apr, arriving in Philadelphia International.Price includes taxes and charges.From R 5,016, select.
Philadelphia.R 6,927 per passenger.Departing Mon, 15 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Mon, 15 Mar, arriving in Philadelphia International.Price includes taxes and charges.From R 6,927, select.
Philadelphia.R 7,776 per passenger.Departing Sat, 1 Aug.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from San Diego International on Sat, 1 Aug, arriving in Philadelphia International.Price includes taxes and charges.From R 7,776, select.
Philadelphia.R 7,808 per passenger.Departing Wed, 18 Nov.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from San Diego International on Wed, 18 Nov, arriving in Philadelphia International.Price includes taxes and charges.From R 7,808, select.
Philadelphia.R 8,718 per passenger.Departing Sun, 12 Jul.One-way flight with British Airways.Outbound direct flight with British Airways departs from San Diego International on Sun, 12 Jul, arriving in Philadelphia International.Price includes taxes and charges.From R 8,718, select.

Find the cheapest month to fly from San Diego to Philadelphia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Philadelphia flights are currently cheapest in August.
Jul
from R 2,777
Aug
from R 1,934
Sep
from R 2,007
Oct
from R 2,095
Nov
from R 2,266
Dec
from R 2,713
Jan
from R 3,495
Feb
from R 4,212
Mar
from R 6,927
Apr
from R 5,016
May
Find prices
Jun
Find prices

Direct flights from San Diego to Philadelphia

Alternative San Diego to Philadelphia routes

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

Philadelphia International

11km from central Philadelphia
ClosestCheapest
from R 1,934
Search flights

Philadelphia Trenton-Mercer

47km from central Philadelphia
from R 2,863
Search flights

Greater Wilmington

49km from central Philadelphia
Search flights

Atlantic City International

75km from central Philadelphia
Search flights

Allentown

81km from central Philadelphia
from R 3,803
Search flights

San Diego to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundR 1,934
Cheapest month to flyAugust
Average flight time5 hrs, 18 mins
Most popular airlineAmerican Airlines
Average flights per week252

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

There are 5 airports in Philadelphia: Philadelphia International, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from San Diego to Philadelphia is R 3,121. 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 18 minutes is the average flight time from San Diego to Philadelphia.
American Airlines, Qatar Airways and Iberia fly direct from San Diego to Philadelphia.
As of July 2026, there are 567 flights per week flying from San Diego to Philadelphia.
The cheapest month to fly from San Diego to Philadelphia is usually September.
If you're flying from San Diego, 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 R 3,121.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Philadelphia on Monday, 21 September 2026.
Yes – the average flight time is 5 hours and 18 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 July, the average temperature is usually around 24°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.
The cheapest airline that flies to Philadelphia is Frontier Airlines. And the cheapest airline that flies to Philadelphia Trenton-Mercer Airport is American Airlines.

Flying from San Diego to Philadelphia: what you need to know

  • Kick off your journey at one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Check out your options for booking a flight from San Diego to Philadelphia departing from either of these.

  • The major gateways to Philadelphia are Philadelphia International Airport (PHL) and Philadelphia Trenton-Mercer Airport (TTN).

  • Around 5 hours 15 minutes is how long you can expect to be in the air on a direct San Diego to Philadelphia flight.

  • Philadelphia's timezone is UTC-5, which makes Philadelphia three hours ahead of San Diego.

  • San Diego International Airport (SAN) to Philadelphia International Airport (PHL) is the most traveled route between these two cities. There are 20 weekly departures to pick from. If you prefer a later start to the day, the last flight from San Diego to Philadelphia is with American Airlines at 23:00. Choose the first SAN to PHL departure operated by American Airlines at 06:15 to maximise your time in Philadelphia.

  • Leave enough time to make your San Diego to Philadelphia flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience longer lines in popular months such as August. Arriving up to four hours in advance for international flights and two hours for a domestic departure will help ensure a smooth travel experience.

How to find the cheapest flights from San Diego to Philadelphia

  • To pick up cheap San Diego to Philadelphia flights, book ahead. Airlines typically offer lower fares when flights are first released.

  • If you're flexible with your trip dates, use the 'Whole month' tool. It'll show you the lowest price across the month when looking for your plane ticket from San Diego to Philadelphia.

  • You don't need to check every day to find out if prices have dropped when you create a Price Alert. We'll update you when there's a better deal on cheap flights from San Diego to Philadelphia.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your San Diego to Philadelphia flight results by 'Fastest,' 'Best' or 'Cheapest.'

Flying from San Diego

San Diego International Airport (SAN)

  • Set out from San Diego International Airport (SAN) on a nonstop flight from San Diego to Philadelphia. From SAN, you can travel directly to Philadelphia International Airport (PHL).

  • Reserve your San Diego to Philadelphia plane tickets with American Airlines. This airline is a popular option for direct flights from SAN.

  • SAN is about 5 kilometres from central San Diego. If you're ride-sharing, driving or catching a taxi from the centre, it'll take 15 minutes or so to get there, depending on traffic. If you're using public transport, expect the trip time to be around 25 minutes.

  • Planning to catch an early flight from San Diego to Philadelphia? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by choosing one of these stays close to San Diego International Airport:

  • 74% of flights leaving from San Diego International Airport make it to their destination on schedule.

  • SAN is located at N Harbour Dr.

Arriving in Philadelphia

Philadelphia International Airport (PHL)

  • Philadelphia International Airport (PHL) to central Philadelphia takes around 20 minutes by car. The centre is roughly 11 kilometres away.

  • If you're travelling by public transport, expect a journey time of around 30 minutes.

  • If you're coming in on a late flight from San Diego to Philadelphia, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and snoozing not long after at one of these accommodation options near PHL:

  • Say yes to new adventures by picking up a Philadelphia International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Budget and experience the lesser-explored corners of Philadelphia and beyond.

  • Booking your vehicle from Philadelphia International Airport about three weeks in advance boosts your odds of scoring a great price.

  • The address for PHL is 8500 Essington Ave.

Philadelphia Trenton-Mercer Airport (TTN)

  • The centre of Philadelphia is around 48 kilometres from Philadelphia Trenton-Mercer Airport (TTN). As soon as your flight from San Diego to Philadelphia has hit the runway and you've made your way through the terminal, expect a drive of about 40 minutes.

  • If you travel by public transport, the journey will take you 1 hour 35 minutes or so.

  • There are some comfortable places to call home for the night near TTN. Unwind after your San Diego to Philadelphia flight at one of these perfectly located options:

  • Budget, National and Enterprise make picking up a Philadelphia Trenton-Mercer Airport rental car simple. These reliable suppliers are located around or in the terminal and will have you ready to go in a flash.

  • Lock in the lowest price by securing your ride from TTN four weeks ahead of time. You'll also have access to a wider range of vehicles.

  • The address for Philadelphia Trenton-Mercer Airport is Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • It's time to pick your travel dates for your flight from San Diego to Philadelphia. August is the most popular month to visit Philadelphia. If you like a more relaxed vibe, go in March.

  • Book a San Diego to Philadelphia ticket departing in July if you're eager to experience the city during its warmest month. Expect temperatures in Philadelphia to range from 18ºC (64ºF) to 32ºC (90ºF).

  • If you'd rather travel in cooler conditions, look for a cheap flight from San Diego to Philadelphia in January when temperatures average between -7ºC (19ºF) and 9ºC (48ºF).

More about Philadelphia

Explore more of the United States

  • You've done Philadelphia, now it's time to explore other corners of the United States. Travel around 129 kilometres northeast to New York to check off its popular sights. From Central Park to Statue of Liberty and The Metropolitan Museum of Art, there's plenty to keep you busy.

  • Boston is another standout destination in the United States and is around 434 kilometres northeast of Philadelphia. No journey is complete without a visit to Museum of Fine Arts, Boston, Freedom Trail and Boston Tea Party Ships & Museum.

Plan the rest of your trip from San Diego to Philadelphia

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.