Cheap Flights from Philadelphia (PHL) to Houston (HOU)

Flights from Philadelphia (PHL) to Houston (HOU)
Origin airport
Philadelphia Intl.
Destination airport
William P. Hobby
Distance
1333 mi

Philadelphia to Houston Flights

The cheapest times to fly from Philadelphia to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Houston are during the month of . You can find some of the cheapest flights from Philadelphia to Houston with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Philadelphia to Houston

Sunday is one of the best days to book for cheap flights from Philadelphia to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Philadelphia to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from Philadelphia Airport to William P. Hobby Airport (HOU) last minute?
Booking your journey from Philadelphia Intl. Airport (PHL) to William P. Hobby Airport last minute could save you cash if you stumble on a real steal. However, tickets don’t usually get cheaper closer to the departure date. If you procrastinate, flights could also be booked up or the best seats gone (hello, middle seat!). If you’d rather not hedge your bets, book well ahead of the date you want to leave. It’s worth noting that some of the best deals can be found up to 12 months in advance. If your favorite carrier hasn’t released its fares yet, check back regularly as deals are updated on Expedia all the time.
What airports do you fly into for Houston from Philadelphia?
With William P. Hobby Airport (HOU), Ellington Field Airport (EFD) and George Bush Intercontinental Airport (IAH) to select from, journeying from Philadelphia to Houston is a snap. The city’s busiest terminal, William P. Hobby Airport (HOU), is roughly 9 mi southeast of the center. Besides the price of tickets, consider things like transportation options from the airport and the distance to your hotel before deciding where you’ll get off the plane. Get your Houston vacation off to a superb start by exploring Toyota Center and Minute Maid Park.
Can I change the date of my flight from Philadelphia Intl. Airport (PHL) to William P. Hobby Airport?
We know plans can change, so Expedia is here to help make amending your flight as easy as possible. First, find your PHL to William P. Hobby Airport itinerary through the Expedia Trips portal and read the ticket rules and conditions regarding changes. If you purchased your ticket in the last 24 hours, some carriers will let you cancel at no cost and organize new flights. If you booked more than 24 hours ago, connect with us via our Customer Service portal so we can help you further.

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*Available to One Key members.