$57 Cheap Flights from Philadelphia (PHL) to Houston (IAH)

View $57 flight on Wed, Oct 8, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)

Today's featured flight deals from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Philadelphia to Houston (PHL-IAH)

Prices were available within the past 7 days and start at $57 for one-way flights and $114 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Oct 1 - Sat, Oct 4
PHL
Philadelphia
IAH
Houston
$114 Roundtrip, found 3 hours ago
$114
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Wed, Oct 1 from Philadelphia to Houston, returning Sat, Oct 4, priced at $114 found 3 hours ago
Spirit Airlines
Tue, Sep 30 - Sat, Oct 4
PHL
Philadelphia
IAH
Houston
$115 Roundtrip, found 3 hours ago
$115
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Tue, Sep 30 from Philadelphia to Houston, returning Sat, Oct 4, priced at $115 found 3 hours ago
Spirit Airlines
Wed, Oct 8 - Wed, Oct 15
PHL
Philadelphia
IAH
Houston
$119 Roundtrip, found 3 hours ago
$119
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Wed, Oct 8 from Philadelphia to Houston, returning Wed, Oct 15, priced at $119 found 3 hours ago
Spirit Airlines
Wed, Oct 1 - Sat, Oct 4
PHL
Philadelphia
IAH
Houston
$124 Roundtrip, found 3 hours ago
$124
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Wed, Oct 1 from Philadelphia to Houston, returning Sat, Oct 4, priced at $124 found 3 hours ago
Spirit Airlines
Tue, Sep 30 - Wed, Oct 1
PHL
Philadelphia
IAH
Houston
$130 Roundtrip, found 9 hours ago
$130
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Tue, Sep 30 from Philadelphia to Houston, returning Wed, Oct 1, priced at $130 found 9 hours ago
Frontier Airlines
Mon, Sep 29 - Tue, Oct 7
PHL
Philadelphia
IAH
Houston
$134 Roundtrip, just found
$134
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 29 from Philadelphia to Houston, returning Tue, Oct 7, priced at $134 just found
Spirit Airlines
Sat, Sep 27 - Thu, Oct 2
PHL
Philadelphia
IAH
Houston
$135 Roundtrip, just found
$135
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Sep 27 from Philadelphia to Houston, returning Thu, Oct 2, priced at $135 just found
United
Wed, Nov 12 - Wed, Nov 19
PHL
Philadelphia
IAH
Houston
$208 Roundtrip, found 19 hours ago
$208
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Nov 12 from Philadelphia to Houston, returning Wed, Nov 19, priced at $208 found 19 hours ago
Delta
Tue, Dec 2 - Tue, Dec 9
PHL
Philadelphia
IAH
Houston
$237 Roundtrip, found 1 hour ago
$237
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Dec 2 from Philadelphia to Houston, returning Tue, Dec 9, priced at $237 found 1 hour ago
JetBlue Airways
Thu, Dec 4 - Fri, Dec 12
PHL
Philadelphia
IAH
Houston
$273 Roundtrip, found 17 hours ago
$273
Roundtrip
found 17 hours ago
Select JetBlue Airways flight, departing Thu, Dec 4 from Philadelphia to Houston, returning Fri, Dec 12, priced at $273 found 17 hours ago

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

October is typically the cheapest month to fly

From $54 - $164 per traveler.

Alternative airports near Houston

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

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $183
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $183
Flights from Philadelphia (PHL) to Houston (IAH)
Origin airport
Philadelphia Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$114
Distance
1323 mi
Average flight time
3 hours 20 mins

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 October. 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 $57 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

How much does a flight from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH) cost?
Get a cheap one-way flight from $57 or cheap return flight from $114 from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)?
The cheapest month to fly from PHL to IAH is October, when demand is low. Off-peak season is usually when airlines offer lower prices between these airports.
Which airlines fly direct from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)?
Board a direct flight with United Airlines and journey straight from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH).
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)?
American Airlines and United Airlines are some well-known airlines offering reasonable fares. Keep in mind that flight prices from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH) can vary based on departure dates, demand and how early you book. With Expedia's search tool, you can easily find a PHL to IAH flight that matches your preferences and budget.
How many flights per day from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)?
When jetting out of Philadelphia Intl. Airport (PHL), you can choose from an average of 3 daily nonstop flights to George Bush Intercontinental Airport (IAH).
What are the most popular departure times for flights from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)?
The 8 AM departures from PHL to IAH are typically the busiest. They can also be more expensive. If you want to save money, pick a less crowded time to fly.
What day of the week has the most flights from PHL to IAH?
Friday has the most flights from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH). Consider leaving on this day and you'll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)?
Catch the earliest flight at around 8:00AM UTC-5, heading out of Philadelphia Intl. Airport (PHL). You'll be in the air for roughly 3h 56m, landing at George Bush Intercontinental Airport (IAH) at approximately 10:56AM UTC-6.
How long does it take to fly from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)?
It usually takes 3 hours and 59 minutes to fly the 1,300 mi from PHL to IAH.
What airline has the least delays from PHL to IAH?
Consider booking with American Airlines if you'd like to fly straight from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH) without any holdups. This carrier has the strongest track record for punctuality, with an on-time performance of 82%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)?
Book a flight from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for Houston from Philadelphia Intl. Airport (PHL)?
George Bush Intercontinental Airport (IAH) is the only airport in Houston with direct flights from Philadelphia Intl. Airport (PHL). Check out your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute fares from PHL to IAH are typically more expensive. For the lowest rates, start searching for flights as early as possible. That said, if your travel plans are flexible, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a PHL to IAH flight and hotel package?
You'll generally save money by booking a PHL to IAH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)?
In most cases, you're able to reschedule or cancel your PHL to IAH flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.