$129 Cheap Delta flights Las Vegas (LAS) to Philadelphia (PHL)

Landing cheap one-way Delta Air Lines flights from LAS to PHL from $129 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $251 for your next exciting getaway.**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.

Look for one-way or round-trip flights to Philadelphia in January or February. You could find lower fares with Delta Air Lines during these off-peak months.

Start searching one to three months ahead of your travel date to find cheaper fares on Delta Air Lines flights from Harry Reid Intl. Airport (LAS) to Philadelphia Intl. Airport (PHL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic trips.*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.

Use the “Nonstop” filter when searching for direct Delta Air Lines flights from LAS to PHL. It’s also a great way to compare other airlines offering the same nonstop route.

To find the earliest departure from LAS to PHL with Delta Air Lines, filter your search by “Morning” and “Early Morning.” Booking an early flight generally means you’re less likely to experience 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.

Philadelphia Intl. Airport (PHL) is the main Philadelphia gateway for Delta Air Lines flights from Harry Reid Intl. Airport (LAS).

Delta Air Lines makes flying from LAS to PHL more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You even have the chance to collect points with Delta SkyMiles. Be sure to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Typically, you can cancel or modify your flight, although there may be a charge if you booked over 24 hours ago. Want to keep your options open? Use Expedia’s “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you need to alter your plans. To update your booking, head to “Trips,” select your flight and click on “Manage Booking” for more information.