Find cheap flights from Philadelphia to San Diego

PHL - SAN

Find cheap flights from Philadelphia to San Diego

Round-trip
Economy
Philadelphia (PHL)
San Diego
Tue 7/7
Tue 7/14
Any month
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Search hundreds of travel sites at once for deals on flights to San Diego

Good to know

Low season

January Best time to beat the crowds with an average 20% drop in price.

High season

December Most popular time to fly with an average 18% increase in price.

Average price of a round-trip

$389 (avg. price over the last 2 weeks)

Good deal for a round-trip

$388 or less

When to book flights from Philadelphia to San Diego

Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $247 or less.
  • The cheapest flight from Philadelphia to San Diego was found 77 days before departure, on average.
  • Book at least 2 weeks before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is January.
  • Morning departure is around 116% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking Philadelphia to San Diego flights

Are flight prices cheaper from Philadelphia to San Diego because of Coronavirus (COVID-19)?

How long does a flight from Philadelphia to San Diego take?

How many flights are there between Philadelphia and San Diego?

Which airlines provide the cheapest flights from Philadelphia to San Diego?

Do I need a passport to fly between Philadelphia and San Diego?

Which airlines fly most frequently between Philadelphia and San Diego?

What’s the cheapest day of the week to fly Philadelphia to San Diego?

Which airports will I be using when flying from Philadelphia to San Diego?

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Top airline flying Philadelphia to San Diego

Scores according to KAYAK customer reviews

5.6
Spirit Airlines
Overall score based on 61,049 reviews
6.2
Boarding
5.4
Comfort
6.5
Crew
4.6
Entertainment
4.8
Food
Airline reviews
Read more about Spirit Airlines

Book cheap flights from Philadelphia to San Diego (round-trip)

Airports
Origin
Philadelphia
$85
only
$85
Destination
San Diego
$85
only
$85
Wed, Aug 26
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Tue, Sep 1
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 7 days
Based on null reviews
Wed, Aug 26
PHL
Philadelphia Airport
SAN
San Diego Airport
12h 51m
Tue, Sep 1
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 7 days
Based on null reviews
Wed, Aug 19
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Sun, Aug 23
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 5 days
Based on null reviews
Wed, Sep 9
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 25m
Sat, Sep 19
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 14m
Trip: 11 days
Based on null reviews
Sat, Aug 15
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Sat, Aug 22
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 8 days
Based on null reviews
Sat, Aug 29
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Wed, Sep 9
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 14m
Trip: 12 days
Based on null reviews
Sun, Jul 26
PHL
Philadelphia Airport
SAN
San Diego Airport
22h 46m
Wed, Aug 5
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 11 days
Based on null reviews
Wed, Aug 12
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Fri, Aug 21
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 10 days
Based on null reviews
Wed, Aug 12
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Mon, Aug 17
SAN
San Diego Airport
PHL
Philadelphia Airport
26h 05m
Trip: 6 days
Based on null reviews
Tue, Aug 11
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Tue, Aug 18
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 8 days
Based on null reviews
Mon, Jul 13
PHL
Philadelphia Airport
SAN
San Diego Airport
30h 40m
Tue, Jul 28
SAN
San Diego Airport
PHL
Philadelphia Airport
17h 43m
Trip: 16 days
Based on null reviews
Wed, Jul 29
PHL
Philadelphia Airport
SAN
San Diego Airport
16h 27m
Wed, Aug 5
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 8 days
Based on null reviews
Sat, Aug 22
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Wed, Sep 2
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 12 days
Based on null reviews
Sat, Jul 25
PHL
Philadelphia Airport
SAN
San Diego Airport
15h 12m
Wed, Aug 5
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 12 days
Based on null reviews
Wed, Sep 9
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 25m
Wed, Sep 16
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 14m
Trip: 8 days
Based on null reviews
Tue, Jul 14
PHL
Philadelphia Airport
SAN
San Diego Airport
19h 13m
Mon, Jul 20
SAN
San Diego Airport
PHL
Philadelphia Airport
19h 09m
Trip: 7 days
Based on null reviews
Tue, Aug 18
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Wed, Aug 26
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 9 days
Based on null reviews
Thu, Aug 6
PHL
Philadelphia Airport
SAN
San Diego Airport
12h 27m
Tue, Aug 18
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 13 days
Based on null reviews
Wed, Sep 30
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 25m
Wed, Oct 28
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 14m
Trip: 29 days
Based on null reviews
Sun, Aug 16
PHL
Philadelphia Airport
SAN
San Diego Airport
23h 45m
Sat, Aug 22
SAN
San Diego Airport
PHL
Philadelphia Airport
8h 09m
Trip: 7 days
Based on null reviews
Show more results

Book cheap flights from Philadelphia to San Diego (one-way)

Airports
Origin
Philadelphia
$43
only
$43
Destination
San Diego
$43
only
$43
Wed, Aug 12
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Based on null reviews
Mon, Jul 20
PHL
Philadelphia Airport
SAN
San Diego Airport
30h 40m
Based on null reviews
Wed, Aug 26
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Based on null reviews
Tue, Sep 1
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Based on null reviews
Fri, Aug 21
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Based on null reviews
Mon, Aug 10
PHL
Philadelphia Airport
SAN
San Diego Airport
66h 04m
Based on null reviews
Thu, Aug 13
PHL
Philadelphia Airport
SAN
San Diego Airport
25h 43m
Based on null reviews
Mon, Jul 20
PHL
Philadelphia Airport
SAN
San Diego Airport
25h 10m
Based on null reviews
Fri, Jul 31
PHL
Philadelphia Airport
SAN
San Diego Airport
25h 10m
Based on null reviews
Mon, Jul 20
PHL
Philadelphia Airport
SAN
San Diego Airport
30h 40m
Based on null reviews
Mon, Aug 10
PHL
Philadelphia Airport
SAN
San Diego Airport
76h 10m
Based on null reviews
Mon, Jul 13
PHL
Philadelphia Airport
SAN
San Diego Airport
30h 40m
Based on null reviews
Sat, Aug 8
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Based on null reviews
Wed, Jul 8
PHL
Philadelphia Airport
SAN
San Diego Airport
16h 27m
Based on null reviews
Wed, Jul 15
PHL
Philadelphia Airport
SAN
San Diego Airport
16h 27m
Based on null reviews
Tue, Jul 14
PHL
Philadelphia Airport
SAN
San Diego Airport
20h 06m
Based on null reviews
Thu, Aug 6
PHL
Philadelphia Airport
SAN
San Diego Airport
12h 27m
Based on null reviews
Sun, Aug 2
PHL
Philadelphia Airport
SAN
San Diego Airport
20h 06m
Based on null reviews
Wed, Aug 5
PHL
Philadelphia Airport
SAN
San Diego Airport
21h 35m
Based on null reviews
Mon, Aug 31
PHL
Philadelphia Airport
SAN
San Diego Airport
7h 29m
Based on null reviews
Show more results
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

^
The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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