Cheap flights from Philadelphia to Houston from $104

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Philadelphia, with most prices found around $279. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Philadelphia during the month June is also very affordable. Most momondo users find prices during this month for around $289.

The cheapest day to depart from Philadelphia to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $343. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $488.

Our data shows that the cheapest Philadelphia to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $280. Try not to purchase tickets in the morning because they tend to be around $378. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Philadelphia to Houston George Bush Intcntl for the best Philadelphia - Houston George Bush Intcntl flight prices

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $330 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Philadelphia for as low as $279 on momondo.

There are 4 cabin classes available to choose from on Philadelphia to Houston George Bush Intcntl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 4% on your flight if you consider stops on a Philadelphia to Houston George Bush Intcntl Airport flight.

As of April 2026, prices for Philadelphia to Houston George Bush Intcntl Airport flights are approximately 78% more expensive when compared to flights at the same time last year.

United Airlines, Spirit Airlines, and American Airlines are the most popular carriers operating from Philadelphia to Houston George Bush Intcntl

United Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Philadelphia according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 6 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

Dallas (DFW) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $278.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 5h 29m.

Dallas (DFW) has the shortest average layover time for this route: 1h 04m.

As of April 2026, there are 7 flights per day flying from Philadelphia to Houston George Bush Intcntl Airport. The most common time of day flights depart is 5:00PM, with 50% of flights taking off in the afternoon.

As of April 2026, there are 53 flights per week flying from Philadelphia to Houston George Bush Intcntl Airport. The most common day of the week flights depart is Mon, with 23% of flights taking off on this day.