Direct (nonstop) flights from Philadelphia to Houston
3 airlines fly nonstop from Philadelphia International Airport (PHL) to George Bush Intcntl Houston (IAH). It's 1,324 miles (2,131 km), about 3h 46m in the air. Operated by American Airlines, Frontier Airlines, United Airlines.
American Airlines
Frontier Airlines
United Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
AA
American Airlines
F9
Frontier Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Philadelphia to Houston with one stop · direct emits 224 kg CO₂ per passenger
Looking for the return flight?
IAH → PHL: Flights from Houston to PhiladelphiaOther direct flights from Philadelphia
Direct flights from Houston (IAH)
Frequently Asked Questions
How long is the direct flight from Philadelphia to Houston?
A nonstop flight from Philadelphia (PHL) to Houston (IAH) takes approximately 3 hours and 46 minutes. The distance is 1,324 miles (2,131 km).
Which airlines fly nonstop from Philadelphia to Houston?
3 airlines: American Airlines, Frontier Airlines, United Airlines.
Is there a nonstop flight from Philadelphia to Houston?
Yes. 3 airlines: American Airlines, Frontier Airlines, United Airlines.
How far is Philadelphia from Houston?
The flight distance from Philadelphia to Houston is 1,324 miles (2,131 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Philadelphia to Houston?
At 3h 46m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Philadelphia to Houston?
Roughly 224 kg CO2 per passenger one-way. That's about the same as driving 1,120 km.
Is the return flight from Houston to Philadelphia also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Philadelphia to Houston?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Philadelphia International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.