Cheap flights from Los Angeles to Philadelphia from $142

The cheapest month to fly to Philadelphia from Los Angeles is in August. Flight prices, which tend to average around $316, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from Los Angeles averaging around $318.

The cheapest day to depart from Los Angeles to Philadelphia is on a Saturday. Travelers who choose to depart for Philadelphia on a Saturday will often find tickets for as low as $411. On the other hand, Sunday is the most expensive day to depart from Los Angeles because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $567.

According to our data, the cheapest time of day to fly to Philadelphia is at noon. momondo users have found flights departing from Los Angeles to Philadelphia at noon for as low as $364. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the morning when prices are around $502.

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

You are more likely to see cheaper flights to Philadelphia from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $429 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Los Angeles for as low as $333 on momondo.

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

As of May 2026, prices for Los Angeles to Philadelphia flights are approximately 28% cheaper when compared to flights at the same time last year.

Southwest is the most popular carrier operating from Los Angeles to Philadelphia

JetBlue, American Airlines and United Airlines are the top three most popular airlines that fly to Philadelphia from Los Angeles according to our data. JetBlue is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 10 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Los Angeles and Philadelphia have experienced a delay on any given week. The average delay length over the past 12 months has been 163 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday 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: 38% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $328.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 49m.

Denver (DEN) has the shortest average layover time for this route: 0h 42m.

21 flights are operational daily from Los Angeles to Philadelphia as of May 2026. The most popular departure time for this route is 10:00AM, with 46% of flights per day taking off at noon.

As of May 2026, 150 flights take off from Los Angeles and land in Philadelphia each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.