Frontier AirlinesDepart07:42
Sat, Nov 14PHL → SAN
8h 08m · 2 stops
$237one way, per person
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- Cheapest fare
- $237
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 8h 08m
Frontier Airlines · Sat, Nov 14
from $237
Usually 1+ stop
3,810 km
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Cheapest month to fly from Philadelphia to San Diego
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Philadelphia to San Diego
Philadelphia (PHL) and San Diego (SAN) are about 3,810 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 8h 08m. Over the next few months, one-way fares start from $237, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Philadelphia to San Diego?
The cheapest one-way fare we've seen recently is $237 with Frontier Airlines, departing Saturday, November 14, 2026. Over the coming months, the lowest fare in each month ranges from $237 to $255.
What is the cheapest month to fly from Philadelphia to San Diego?
November 2026 currently has the lowest fares, from $237 one way.
Are there direct flights from Philadelphia to San Diego?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Philadelphia to San Diego?
The quickest journey we've seen takes about 8h 08m. Philadelphia and San Diego are around 3,810 km apart.
Which airlines fly from Philadelphia to San Diego?
Recent fares on this route were with Frontier Airlines.
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