There are several dates available for a nonstop, round trip flight between Philadelphia (PHL) and Los Angeles (LAX) for $235. There are other lower priced airfares for $10 less but they are all basic economy fares and makes 1 stop on one of the round trip legs.
Departs PHL: Nov 16; Dec 1, 2, 3, 4
Returns: Nov 23, 29, 30; Dec 1-9
Departs LAX: Nov 7; Dec 3, 4, 5, 6
Returns: Nov 11-16; Dec 1-5
Use dates and book it on Orbitz [orbitz.com]
or Priceline [priceline.com]
. You'll see that it will return two other airlines, lower priced but again, those are basic economy which restricts carry-on baggage. For two carry on bags, Virgin America is a better value here.
link to recent travel deals