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

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The best prices from Philadelphia 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 (PHL) to San Diego (SAN)

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 to San Diego

One-way from

$90

One-way flight from Philadelphia 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 to San Diego?

Saturday flights are found to be more expensive to fly from Philadelphia to San Diego. 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 to San Diego?

To save up to 27% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Philadelphia to San Diego from $73 1-2 weeks out and tickets from $98 for flights departing within the next 72 hours.

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

Our data shows that July tends to be the cheapest month to fly to San Diego from Philadelphia. Users have commonly found prices around $80 for the month, but tickets can be as low as $44. Due to multiple factors, prepare for potentially higher prices in December.

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

A simple way to save on the total cost of your ticket is to fly from Philadelphia to San Diego at noon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the morning.

Cheap flights from Philadelphia to San Diego in January, February 2021

The best prices found for PHL to SAN flights for January, February
8 Feb - 11 Feb
$87pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
PHL
Philadelphia
18 Feb - 25 Feb
$88pp
PHL
Philadelphia
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
PHL
Philadelphia
22 Feb - 27 Feb
$91pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
PHL
Philadelphia

Philadelphia to San Diego 2021 flight deals

Cheap flights to San Diego from Philadelphia found for this year
8 Feb - 11 Feb
$87pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
PHL
Philadelphia
18 Feb - 25 Feb
$88pp
PHL
Philadelphia
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
PHL
Philadelphia
22 Feb - 27 Feb
$91pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
PHL
Philadelphia

Non-stop flights to San Diego from Philadelphia

Save time with Philadelphia to San Diego direct flight deals
15 Feb - 19 Feb
$215pp
PHL
Philadelphia
Major Airline
Non-Stop
SAN
San Diego
SAN
San Diego
Major Airline
Non-Stop
PHL
Philadelphia
11 Feb - 14 Feb
$245pp
PHL
Philadelphia
American Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
American Airlines
Non-Stop
PHL
Philadelphia
8 Feb - 19 Feb
$288pp
PHL
Philadelphia
American Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
American Airlines
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia to San Diego

Late deals on round-trip flights to San Diego from Philadelphia, departing today and this week
28 Jan - 5 Feb
$88pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
PHL
Philadelphia
29 Jan - 31 Jan
$93pp
PHL
Philadelphia
Frontier
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
 
1 STOP
PHL
Philadelphia
31 Jan - 7 Feb
$107pp
PHL
Philadelphia
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
PHL
Philadelphia

One-way flights to San Diego from Philadelphia

The cheapest one-way flights from Philadelphia to San Diego
3:40 pm - 9:58 am
Frontier
2 Stops
21h 18m
PHL - SAN
Frontier
$90
Gotogate
2:25 pm - 3:58 pm
Multiple Airlines
3 Stops
28h 33m
PHL - SAN
Multiple Airlines
$96
Gotogate
3:15 am - 4:17 pm
United Airlines
1 Stop
16h 02m
PHL - SAN
United Airlines
$97
United

Related info for your journey

Useful info, stats and facts about Philadelphia to San Diego flights.

Flight FAQs

From Philadelphia 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 and Delta 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.

Can I find flights from Philadelphia to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Philadelphia to San Diego for under $100. The cheapest flight booked recently is on Multiple Airlines for just $87, but on average you can expect to pay $106.

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

Cheapflights has at least 16 direct flights from Philadelphia to San Diego under $300. A good price for a nonstop flight from Philadelphia to San Diego is less than $477.

Are there last-minute flights available from Philadelphia to San Diego for under $100?

There are currently 20+ open flights from Philadelphia to San Diego within the next 7 days for less than $100.

What days are nonstop flights available from Philadelphia to San Diego?

Days when nonstop flights are available for this flight are: Sunday, Saturday.

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 to San Diego?

A quick flight from Philadelphia to San Diego can take about 7h 11m. Spirit Airlines provides one of the quickest options available for as low as $120. This flight may include one or multiple stops.

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

Frontier, at $88, was found to be the cheapest airline from Philadelphia to San Diego. An alternate airline flying to your destination would be Spirit Airlines. You may be able to fly from Philadelphia to San Diego for 77% less than the average price by searching for these airlines.

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

$43 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $44 and $97, respectively.

Alternative routes for Philadelphia to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from Philadelphia to San Diego
Average temperature for January in San Diego
68.0 °F
Avg rainfall for January in San Diego
2.7 ″

Airports servicing Philadelphia

Airports servicing San Diego

Top 8 airlines flying from Philadelphia to San Diego

The chart below displays the airlines Cheapflights users traveling from Philadelphia 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 to San Diego

Morning 6 AM to noon 100% of PHL to SAN departures
Early morning Midnight to 6 AM 0% of PHL to SAN departures
Afternoon Noon to 6 PM 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 to San Diego
Sunday
1 daily flight
Monday
1 daily flight
Tuesday
0 flights
Wednesday
0 flights
Thursday
1 daily flight
Friday
1 daily flight
Saturday
1 daily flight
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