HOU to PHL, William P. Hobby Airport to Philadelphia International Airport Cheap Flights

Based on HopeGoo data, Spirit Airlines offers one-way fares as low as US$62 on Cheapest nonstop routes (e.g. IAH to PHL on Wed, Apr 22), while Spirit Airlines offers Cheapest nonstop round-trips from US$121 departing on Thu, Feb 26 and returning on Tue, Mar 3.

At the moment, you can catch a nonstop flight from Houston to Philadelphia with the following airlines, including: American Airlines Frontier Airlines Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

It takes about 3 hours 28 minutes to fly from Houston to Philadelphia.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Houston to Philadelphia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on HopeGoo data in the past 4 weeks, there is 9 flight per week flying from Houston to Philadelphia. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA1520 (06:36)

To find best deals on flights from Houston to Philadelphia, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Apr 22, with one-way flights priced at just US$62. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Philadelphia travel is around January. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Houston to Philadelphia is October, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Houston to Philadelphia on February 28, 2026 with Spirit Airlines, with prices starting at US$61.

You can land at any one of the following hubs in Philadelphia, with George Bush Intercontinental Airport to Philadelphia International Airport (IAH-PHL) is by far the most common option on this route: Philadelphia International Airport (PHL) Trenton Mercer Airport (TTN).

The time difference between Philadelphia and Houston is 1h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.