$234 Cheap Delta flights Los Angeles (LAX) to Philadelphia (PHL)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines round-trip flights from $271 from LAX to PHL. Affordable one-way fares from $234 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the cheapest months to get away to Philadelphia with Delta Air Lines. You could also find fantastic deals on return and one-way fares in February.

For cheap Delta Air Lines fares from Los Angeles Intl. Airport (LAX) to Philadelphia Intl. Airport (PHL), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall cost. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct route from LAX to PHL with Delta Air Lines or another airline, use our “Nonstop” filter when looking for flights.

Find Delta Air Lines’s earliest flights from LAX to PHL by using our “Morning” and “Early Morning” filters. Not only will you get to where you’re going sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Take a Delta Air Lines flight from Los Angeles Intl. Airport (LAX) to Philadelphia, and you’ll likely land at Philadelphia Intl. Airport (PHL). This is the airline’s main hub in this city.

Delta Air Lines makes traveling from LAX to PHL more comfortable with a rewarding loyalty program and an excellent in-flight experience. You could even start collecting points with Delta SkyMiles. Make sure you sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s generally possible to cancel or change your flight, although additional charges may apply if you booked more than 24 hours ago. Want to keep your options open? Apply the “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you have to revise your plans. To modify your booking, head to “Trips,” select your flight and click on “Manage Booking” for more information.