Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SAN

Find cheap flights from Pennsylvania to San Diego from $44

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Diego departing on 5/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 6/7
Fri 6/14

Search hundreds of travel sites at once for deals on flights to San Diego

In the last 7 days travelers have searched 43,707,506 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

July

Cheapest flight

$44
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from Philadelphia to San Diego

FAQs for booking flights from Pennsylvania to San Diego

  • How does KAYAK find such low prices on flights from Pennsylvania to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Pennsylvania to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Pennsylvania with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Pennsylvania to San Diego?

Find which airlines fly direct from Pennsylvania to San Diego, which days they fly and book direct flights.

Nonstop departures

Pennsylvania to San Diego

Monday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Tuesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Wednesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Thursday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Friday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Saturday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Sunday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

See more direct flights

Nonstop returns

San Diego to Pennsylvania

Monday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Tuesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Wednesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Thursday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Friday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Saturday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Sunday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

See more direct flights
See more direct flights

Book cheap flights from Pennsylvania to San Diego

Recent round-trip flight deals

5/21Tue
1 stopSpirit Airlines
26h 51mPHL-SAN
6/4Tue
1 stopSpirit Airlines
27h 43mSAN-PHL
$96
5/21Tue
1 stopSpirit Airlines
26h 51mPHL-SAN
6/4Tue
1 stopSpirit Airlines
27h 43mSAN-PHL
$116
5/21Tue
1 stop
18h 16mPHL-SAN
5/28Tue
1 stop
13h 31mSAN-PHL
$131
6/5Wed
2 stops
15h 30mPHL-SAN
6/11Tue
1 stop
14h 28mSAN-PHL
$145
8/23Fri
nonstopBreeze Airways
5h 32mPIT-SAN
8/30Fri
nonstopBreeze Airways
4h 43mSAN-PIT
$162
6/1Sat
1 stopFrontier
7h 47mPHL-SAN
6/11Tue
1 stopFrontier
16h 18mSAN-PHL
$178
5/18Sat
1 stopFrontier
13h 37mPHL-SAN
5/29Wed
1 stopFrontier
13h 01mSAN-PHL
$180
6/12Wed
1 stopSun Country Air
7h 36mPHL-SAN
6/13Thu
1 stopSun Country Air
14h 46mSAN-PHL
$189
5/27Mon
nonstopBreeze Airways
5h 32mPIT-SAN
6/3Mon
nonstopBreeze Airways
4h 43mSAN-PIT
$199
6/5Wed
1 stopSun Country Air
7h 44mPHL-SAN
6/13Thu
1 stopSun Country Air
14h 46mSAN-PHL
$209

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/21Tue
1 stopSpirit Airlines
18h 16mPHL-SAN
$44
5/21Tue
1 stopSpirit Airlines
26h 51mPHL-SAN
$54
6/11Tue
1 stopSun Country Air
7h 59mPHL-SAN
$69
6/12Wed
1 stopSun Country Air
7h 36mPHL-SAN
$79
5/21Tue
1 stopFrontier
12h 21mPIT-SAN
$80
6/12Wed
2 stops
13h 54mPHL-SAN
$90
6/19Wed
2 stops
14h 14mPHL-SAN
$91
5/18Sat
1 stopFrontier
13h 37mPHL-SAN
$96
6/3Mon
nonstopBreeze Airways
5h 32mPIT-SAN
$109
6/24Mon
nonstopBreeze Airways
5h 32mPIT-SAN
$119

Search by stops

Search by airline

Search by price

Last minute flights from Pennsylvania to San Diego

Last minute flight, train and bus deals

5/11Sat
multi-stop
13h 53mPHL-SAN
5/21Tue
multi-stop
11h 18mSAN-PHL
$233
5/11Sat
multi-stop
9h 20mPHL-SAN
5/18Sat
multi-stop
6h 38mSAN-PHL
$250
5/11Sat
multi-stopFrontier
13h 53mPHL-SAN
5/15Wed
multi-stopFrontier
7h 54mSAN-PHL
$257
5/10Fri
multi-stopFrontier
14h 42mPHL-SAN
5/18Sat
multi-stopFrontier
11h 32mSAN-PHL
$298
5/13Mon
multi-stopSpirit Airlines
17h 11mPIT-SAN
5/14Tue
multi-stopSpirit Airlines
7h 20mSAN-PIT
$324
5/11Sat
multi-stopUnited Airlines
11h 17mPHL-SAN
5/21Tue
multi-stopUnited Airlines
7h 23mSAN-PHL
$359
5/13Mon
multi-stopSpirit Airlines
17h 11mPIT-SAN
5/14Tue
multi-stopSpirit Airlines
7h 20mSAN-PIT
$364
5/8Wed
multi-stopUnited Airlines
9h 15mPHL-SAN
5/10Fri
multi-stopUnited Airlines
7h 44mSAN-PHL
$457
5/8Wed
nonstopAmerican Airlines
5h 43mPHL-SAN
5/11Sat
nonstopAmerican Airlines
5h 11mSAN-PHL
$461
5/8Wed
nonstopAmerican Airlines
5h 47mPHL-SAN
5/11Sat
multi-stopAmerican Airlines
7h 55mSAN-PHL
$469

Search by stops

Search by airline

Search by price

Flights to San Diego

Destination:

San Diego (SAN)United States

Return flight deals:

San Diego - Pennsylvania

Cabin classes:

$1,616
$2,219
$2,219
$189