$120 Cheap Flights from Houston (HOU) to Philadelphia (PHL)

View $120 flight on Tue, Dec 30, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL)

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Today's featured flight deals from Houston William Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Houston to Philadelphia (HOU-PHL)

Prices were available within the past 7 days and start at $120 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Dec 6 - Tue, Dec 9
HOU
Houston
PHL
Philadelphia
$189 Roundtrip, found 2 days ago
$189
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Dec 6 from Houston to Philadelphia, returning Tue, Dec 9, priced at $189 found 2 days ago
Delta
Sat, Dec 6 - Tue, Dec 9
HOU
Houston
PHL
Philadelphia
$237 Roundtrip, found 2 days ago
$237
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 6 from Houston to Philadelphia, returning Tue, Dec 9, priced at $237 found 2 days ago

Find the cheapest month to fly from Houston (HOU) to Philadelphia (PHL)

October is typically the cheapest month to fly

From $81 - $256 per traveler.

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to New Castle ILG. Average driving time to city center is 44 minutes. Flights from $269
ILG
New Castle
Average driving time to city center44 min
Flights from $269

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL) cost?
Get a cheap one-way flight from $120 or cheap return flight from $189 from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from HOU to PHL is December, when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
Which airlines fly direct from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL)?
Although Houston, TX (HOU-William P. Hobby) doesn't have any direct flights to Philadelphia Intl. Airport (PHL), other airports have nonstop routes. Traveling from George Bush Intercontinental Airport (IAH) will get you to Philadelphia without any layovers.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from HOU to PHL. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL)?
Direct flights from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HOU to PHL?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL)?
To touch down at Philadelphia Intl. Airport (PHL) on time, choose a flight that leaves from William P. Hobby Airport (HOU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your ticket from HOU to PHL shortly before your getaway is typically more expensive. But if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a HOU to PHL flight and hotel package?
Booking a HOU to PHL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Philadelphia Intl. Airport (PHL)?
If you reserved your HOU to PHL flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
William P. Hobby
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines
Roundtrip price
$188
Distance
1333 mi

Book with confidence

Houston to Philadelphia Flights

The cheapest times to fly from Houston to Philadelphia

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 Houston to Philadelphia are during the month of December. You can find some of the cheapest flights from Houston to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Philadelphia

Sunday is one of the best days to book for cheap flights from Houston to Philadelphia: 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 Houston to Philadelphia

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 Houston to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $120 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 Houston to Philadelphia 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 Houston to Philadelphia 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.

 

Houston to Philadelphia Flights

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*Available to One Key members.