Cheap flights from Houston George Bush Intcntl Airport to Philadelphia from $86

The cheapest month to fly to Philadelphia from Houston George Bush Intcntl Airport is in August. Flight prices, which tend to average around $290, are often lower during this time because this is during the off-season. The month of June is another great option to travel to Philadelphia, with average flight prices from Houston George Bush Intcntl Airport averaging around $298.

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Houston George Bush Intcntl Airport to Philadelphia in the evening for as low as $207. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $622.

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

You are more likely to see cheaper flights to Philadelphia from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $329 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Houston George Bush Intcntl Airport for as low as $244 on momondo.

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to Philadelphia 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 7% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Philadelphia flight.

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

United Airlines, Spirit Airlines and American Airlines are the top three most popular airlines that fly to Philadelphia from Houston George Bush Intcntl Airport according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 6 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Houston and Philadelphia have experienced a delay on any given week. The average delay length over the past 12 months has been 162 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $272.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 4h 44m.

Atlanta (ATL) has the shortest average layover time for this route: 1h 14m.

The number of flights available between Houston George Bush Intcntl Airport and Philadelphia is 9 per day as of March 2026. The most frequent departure time is 1:00PM, with 49% of daily flights leaving in the afternoon.

As of March 2026, there are 68 flights per week flying from Houston George Bush Intcntl Airport to Philadelphia. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.