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C$188 Cheap Flights from San Diego (SANA) to Philadelphia International (PHL)

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Flight deals from San Diego to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from San Diego to Philadelphia International Airport? If you want to travel next month, return fares start from C$375. Find the lowest prices on one-way and return tickets right here.
Philadelphia.C$188 per passenger.Departing Fri., Aug. 7.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Fri., Aug. 7, arriving in Philadelphia International.Price includes taxes and charges.From C$188, select.
Philadelphia.C$196 per passenger.Departing Fri., May 29.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Fri., May 29, arriving in Philadelphia International.Price includes taxes and charges.From C$196, select.
Philadelphia.C$196 per passenger.Departing Sun., Jun. 7.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Sun., Jun. 7, arriving in Philadelphia International.Price includes taxes and charges.From C$196, select.
Philadelphia.C$196 per passenger.Departing Sat., Jul. 4.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Sat., Jul. 4, arriving in Philadelphia International.Price includes taxes and charges.From C$196, select.
Philadelphia.C$226 per passenger.Departing Tue., Sep. 15.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Tue., Sep. 15, arriving in Philadelphia International.Price includes taxes and charges.From C$226, select.
Philadelphia.C$279 per passenger.Departing Tue., Oct. 6.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Tue., Oct. 6, arriving in Philadelphia International.Price includes taxes and charges.From C$279, select.
Philadelphia.C$284 per passenger.Departing Mon., Dec. 7.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Mon., Dec. 7, arriving in Philadelphia International.Price includes taxes and charges.From C$284, select.
Philadelphia.C$284 per passenger.Departing Fri., Nov. 6.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Fri., Nov. 6, arriving in Philadelphia International.Price includes taxes and charges.From C$284, select.
Philadelphia.C$454 per passenger.Departing Mon., Jan. 18.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Mon., Jan. 18, arriving in Philadelphia International.Price includes taxes and charges.From C$454, select.
Philadelphia.C$677 per passenger.Departing Sat., Mar. 20.One-way flight with United.Outbound indirect flight with United, departs from San Diego International on Sat., Mar. 20, arriving in Philadelphia International.Price includes taxes and charges.From C$677, select.
Philadelphia.C$736 per passenger.Departing Sun., Feb. 21.One-way flight with United.Outbound indirect flight with United, departs from San Diego International on Sun., Feb. 21, arriving in Philadelphia International.Price includes taxes and charges.From C$736, select.

Find the cheapest month to fly from San Diego to Philadelphia International from C$188 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Philadelphia International flights are currently cheapest in August.
May
from C$196
Jun.
from C$196
Jul.
from C$196
Aug.
from C$188
Sep.
from C$226
Oct.
from C$279
Nov.
from C$284
Dec.
from C$284
Jan.
from C$454
Feb.
from C$736
Mar.
from C$677
Apr.
Find prices

Which airlines fly from San Diego to Philadelphia International?

San Diego to Philadelphia International: Alternative routes

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

Philadelphia International

11km from central Philadelphia
ClosestCheapest
from C$188
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Blue Bell

22km from central Philadelphia
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Philadelphia Trenton-Mercer

47km from central Philadelphia
from C$352
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Greater Wilmington

49km from central Philadelphia
from C$628
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Atlantic City International

75km from central Philadelphia
from C$407
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Allentown

81km from central Philadelphia
from C$310
Search flights

San Diego to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundC$188
Cheapest month to flyAugust
Average flight time5 hrs, 19 mins
Most popular airlineAmerican Airlines
Average flights per week65

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

The best price we found for a return flight from San Diego to Philadelphia International is C$375. 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 to Philadelphia International.
American Airlines, Iberia and British Airways fly direct from San Diego to Philadelphia International.
As of May 2026, there are 130 flights per week flying from San Diego to Philadelphia International.
The cheapest month to fly from San Diego to Philadelphia International is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Philadelphia International Airport on Thursday, May 28, 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.
The cheapest airline that flies to Philadelphia International is Frontier Airlines .

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

  • Start planning your trip by checking out the ideal departure point for your flight from San Diego to Philadelphia International Airport (PHL). Explore your options for taking off from San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD), two of the city's main airports.

  • The average length of a direct flight from San Diego to Philadelphia International Airport is 5 hours 13 minutes.

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

  • San Diego International Airport (SAN) to Philadelphia International Airport (PHL) is the most popular route. There are 24 direct weekly departures to choose from. If you have things to do before heading off, take the last flight with American Airlines at 23:42. Opt for the first SAN to PHL departure with American Airlines at 06:15 if you want to get going earlier.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Make sure you're at the airport on time to catch your flight from San Diego to PHL.

  • July is a peak travel month. If you're taking off then or during a major holiday like Fourth of July, turn up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in San Diego

San Diego International Airport (SAN)

  • Take the express route from San Diego International Airport (SAN). Nonstop flights from San Diego to Philadelphia International Airport (PHL) can be booked from here.

  • You can lock in a direct flight from San Diego to Philadelphia International Airport with American Airlines. This top carrier operates departures from SAN.

  • SAN is around 5 kilometres from central San Diego. To help work out how to get there, use Google Maps. This useful traveller tool will show you the quickest route and available public transport options.

  • Booked an early flight from San Diego to Philadelphia International Airport? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays close to San Diego International Airport:

About Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • Philadelphia International Airport to the centre of Philadelphia is about 17 minutes in a car. It's approximately 19 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing.

  • It takes around 44 minutes if you're travelling on public transport.

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

  • For a one-way ticket from San Diego to Philadelphia International Airport, C$188 is the cheapest price. You can also book a return trip from just C$376. These are currently the lowest fares and may vary based on availability.

  • Lock in flight tickets from San Diego to PHL by booking at least 8 months ahead. Based on flight price data, that's the sweet spot for bagging a bargain.

  • The cheapest month for tickets from San Diego to Philadelphia International Airport is May. Use the 'Whole month' search feature to find the most affordable day to fly if you're flexible with your plans.

  • Set up a Price Alert and keep track of changes on this route through push notifications or email. We'll let you know when prices fall. Timing matters when searching for flight tickets from San Diego to PHL.

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

The best time to fly from San Diego to Philadelphia International Airport (PHL)

  • August is the busiest month to board a flight from San Diego to Philadelphia International Airport while February is the quietest. To work out the best time to visit Philadelphia, consider the pace you like to travel at.

  • When booking your flight from San Diego to PHL, think about the kind of weather you enjoy. July is the warmest month in Philadelphia, with temperatures ranging from 18ºC to 32ºC.

  • January has average temperatures of between -7ºC and 9ºC. Look for cheap flights from San Diego to Philadelphia International Airport around that time if you want to travel in cooler conditions.

More about Philadelphia

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

  • One of the best ways to get a feel for Philadelphia is to explore its most popular attractions. Some highlights include Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Complete your Philadelphia trip with a car rental

  • Finding you a cheap flight from San Diego to Philadelphia International Airport isn't the only thing we're good at. Check out our car rentals in Philadelphia and explore on your own terms. We find deals from trusted car rental providers and put them all in one place. You can instantly compare offers and then book with no fees.

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