Cheap flights from Philadelphia Intl to San Diego (PHL - SAN)

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The best prices from Philadelphia Intl to San Diego are usually found in August or September, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from
Philadelphia Intl (PHL) to San Diego (SAN)

All the information you need to plan the best PHL to SAN flight in 2021: compare Philadelphia Intl to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
PHL - SAN
Price
$312 - $474
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches

Popular in

December

High demand for flights, 18% potential price rise

Cheapest in

August

Best time to find cheap flights, 20% potential price drop

Round-trip from

$312

From Philadelphia Intl to San Diego

One-way from

$157

One-way flight from Philadelphia Intl to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Philadelphia Intl to San Diego?

Flights from Philadelphia Intl to San Diego are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

How far in advance should I book a flight from Philadelphia Intl to San Diego?

To save on the cost of your flight from Philadelphia Intl to San Diego, book at least 17 days before your planned departure. Booking around this time can save you about 27% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $73 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $98.

What is the cheapest month to fly from Philadelphia Intl to San Diego?

July is one of the best times of the year to fly to San Diego from Philadelphia Intl. Prices for July average $80 per person but you can even find prices for as low as $44. The most expensive prices can be found in the month of December. Opting for a July flight can save you 33% on your journey compared to booking in July

When is the cheapest time to fly from Philadelphia Intl to San Diego (PHL - SAN)?

It’s optimal to fly from Philadelphia Intl to San Diego at noon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Philadelphia Intl to San Diego in May, June 2021

The best prices found for PHL to SAN flights for May, June
18 May - 25 May
$217pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Frontier
   
2 STOPS
PHL
Philadelphia
18 May - 25 May
$225pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
PHL
Philadelphia
24 May - 28 May
$243pp
PHL
Philadelphia
Delta
 
1 STOP
SAN
San Diego
SAN
San Diego
Delta
 
1 STOP
PHL
Philadelphia

Philadelphia Intl to San Diego 2021 flight deals

Cheap flights to San Diego from Philadelphia Intl found for this year
18 May - 25 May
$217pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Frontier
   
2 STOPS
PHL
Philadelphia
18 May - 25 May
$225pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
PHL
Philadelphia
20 Aug - 23 Aug
$243pp
PHL
Philadelphia
Delta
 
1 STOP
SAN
San Diego
SAN
San Diego
Delta
 
1 STOP
PHL
Philadelphia

Non-stop flights to San Diego from Philadelphia Intl

Save time with Philadelphia Intl to San Diego direct flight deals
8 Sep - 14 Sep
$295pp
PHL
Philadelphia
American Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
American Airlines
Non-Stop
PHL
Philadelphia
4 Jun - 7 Jun
$296pp
PHL
Philadelphia
Major Airline
Non-Stop
SAN
San Diego
SAN
San Diego
Major Airline
Non-Stop
PHL
Philadelphia
3 Sep - 7 Sep
$300pp
PHL
Philadelphia
American Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
American Airlines
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia Intl to San Diego

Late deals on round-trip flights to San Diego from Philadelphia Intl, departing today and this week
24 May - 28 May
$243pp
PHL
Philadelphia
Delta
 
1 STOP
SAN
San Diego
SAN
San Diego
Delta
 
1 STOP
PHL
Philadelphia
22 May - 24 May
$267pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
PHL
Philadelphia
23 May - 25 May
$268pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Frontier
   
2 STOPS
PHL
Philadelphia

One-way flights to San Diego from Philadelphia Intl

The cheapest one-way flights from Philadelphia Intl to San Diego
1:30 am - 5:37 am
Delta
1 Stop
7h 07m
PHL - SAN
Delta
$157
Delta
5:02 pm - 7:26 pm
Frontier
1 Stop
29h 24m
PHL - SAN
Frontier
$160
Kiwi.com
2:30 am - 8:47 am
United Airlines
1 Stop
9h 17m
PHL - SAN
United Airlines
$162
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Philadelphia Intl</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From Philadelphia Intl to San Diego

Are flight prices decreasing from Philadelphia to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Philadelphia and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Philadelphia to San Diego to control the spread of COVID-19?

New policies can now be found on Alaska Airlines to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Philadelphia to San Diego. Policies will vary by airline.

Which airlines flying from Philadelphia to San Diego have flexible cancellations due to COVID-19?

Some of our airline partners flying from Philadelphia to San Diego have new flexible policies in place due to COVID-19. American Airlines, Frontier, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

What airports do I use to fly from Philadelphia to San Diego?

If you wish to fly to San Diego from Philadelphia, then you need to book flights from Philadelphia to San Diego. There are 2 flights from Philadelphia (PHL) to San Diego (SAN) per day to choose from. Flights to San Diego from Philadelphia are available from 9 different airlines, which means you should have some options if you want to compare airfare deals. 5h 34m is how long a nonstop flight from Philadelphia to San Diego typically takes.

Can I find flights from Philadelphia Intl to San Diego for under $300 on Cheapflights?

Yes, there are multiple flights from Philadelphia Intl to San Diego for under $300. The cheapest flight booked recently is on Delta for just $243, but on average you can expect to pay $270.

Are there nonstop flights from Philadelphia Intl to San Diego for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia Intl to San Diego under $300. A good price for a nonstop flight from Philadelphia Intl to San Diego is less than $347.

Are there last-minute flights available from Philadelphia Intl to San Diego for under $300?

There are currently 20+ open flights from Philadelphia Intl to San Diego within the next 7 days for less than $300.

Does it rain more in Philadelphia or San Diego?

Philadelphia will have greater rainfall in 0 compared to San Diego over the next 16 days.

Is Philadelphia weather warmer or cooler than San Diego?

Expect the weather to be around 88 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Diego is generally colder than in Philadelphia.

How long is the flight from Philadelphia Intl to San Diego?

For as low as $303, American Airlines can have you in San Diego from Philadelphia Intl in 5h 34m. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Philadelphia Intl to San Diego round-trip?

Cheapflights users have booked flights from Philadelphia Intl to San Diego round-trip from $243. Other airlines that can offer you cheap pricing are Spirit Airlines, from $260, and American Airlines, from $295. You may be able to fly from Philadelphia Intl to San Diego for 37% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Philadelphia Intl to San Diego one-way?

One-way options have recently been found by users for as low as $79 on Delta. Other airlines that offer cheap prices include Frontier from $110 and Spirit Airlines from $122 one-way.

Alternative routes for Philadelphia Intl to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Philadelphia Intl to San Diego.
Flight duration
5h 29m
Average temperature for May in San Diego
71.6 °F
Avg rainfall for May in San Diego
0.2 ″

Airports servicing Philadelphia

Airports servicing San Diego

Top 8 airlines flying from Philadelphia Intl to San Diego

The chart below displays the airlines Cheapflights users traveling from Philadelphia Intl to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Sun Country Air
$114 $193 No cancel fee 83%
Spirit Airlines
$92 $204 No cancel fee 65%
Frontier
$117 $257 No cancel fee 62%
JetBlue
$160 $298 No cancel fee 62%
Alaska Airlines
$160 $310 No cancel fee 75%
United Airlines
$108 $317 No cancel fee 69%
Delta
$137 $337 No cancel fee N/A
American Airlines
$369 $466 No cancel fee 71%

Hourly flight availability from Philadelphia Intl to San Diego

See what time of day planes typically take off from Philadelphia Intl towards San Diego.
Morning 6 AM to noon 50% of PHL to SAN departures
Afternoon Noon to 6 PM 50% of PHL to SAN departures
Early morning Midnight to 6 AM 0% of PHL to SAN departures
Evening 6 PM to midnight 0% of PHL to SAN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Philadelphia Intl to San Diego
See how many times per day planes take to the skies headed from Philadelphia Intl to San Diego.
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
2 daily flights
Thursday
2 daily flights
Friday
2 daily flights
Saturday
2 daily flights
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