$120 Cheap Delta flights Houston (HOU) to Philadelphia (PHL)

You can find affordable return Delta Air Lines flights from $207 from HOU to PHL by filtering your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $120 for a one-way journey.**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.

Delta Air Lines flights to Philadelphia are often cheaper in the low-season months of January and February. Whether you’re in search of a one-way or a return ticket, you could score a better deal then.

For cheap Delta Air Lines fares from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL), start searching one to three months before your intended departure. Reserving 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 influence how much you pay. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight 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 journey from HOU to PHL with Delta Air Lines or another airline, check the “Nonstop” box when searching for flights.

Filter your results by “Morning” and “Early Morning” to find the earliest departures from HOU to PHL. Setting off early 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.

Catch a Delta Air Lines flight from William P. Hobby Airport (HOU) to Philadelphia, and you’ll probably come in to Philadelphia Intl. Airport (PHL). This is the airline’s primary hub in this destination.

Traveling from HOU to PHL with Delta Air Lines comes with a variety of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making your booking, but your airline may charge you after that time. For more details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your itinerary without additional costs, apply the “No cancel fee” or “Changes included” filter when organizing your next adventure.