Cheap flights from Philadelphia to Los Angeles from $100

The month of July is, on average, the cheapest month to fly to Los Angeles from Philadelphia, with most prices found around $271. If you aren’t able to travel during the month of July, then book flights to Los Angeles from Philadelphia during June instead. Flights to Los Angeles in June, while not as cheap as those in July, still average around $279.

Our data shows that Thursday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $398. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Los Angeles on Sunday is $573.

Our most recent data shows that the best time of day to fly to Los Angeles is in the afternoon. Flights from Philadelphia to Los Angeles during this time can be as low as $377. At noon is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $524 per ticket.

Fly from Philadelphia to Los Angeles for the best Philadelphia - Los Angeles flight prices

You are more likely to see cheaper flights to Los Angeles from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Philadelphia for as low as $296 on momondo.

There are 4 cabin classes available to choose from on Philadelphia to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Philadelphia to Los Angeles.

As of February 2026, prices for Philadelphia to Los Angeles flights are approximately 11% more expensive when compared to flights at the same time last year.

Southwest, Frontier, and Alaska Airlines are the most popular carriers operating from Philadelphia to Los Angeles

American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Los Angeles from Philadelphia according to our data. American Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Los Angeles. Keep in mind that there are 10 different airlines that fly to Los Angeles on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Philadelphia and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 161 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

Atlanta (ATL) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $181.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 7h 17m.

Detroit (DTW) has the shortest average layover time for this route: 1h 05m.

As of February 2026, 19 flights take off from Philadelphia and land in Los Angeles each day. The most common flight departure time for this route is 10:00AM, with 60% of daily flights taking off at noon.

As of February 2026, there are 133 flights per week flying from Philadelphia to Los Angeles. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.