Direct (nonstop) flights from Houston to Philadelphia

3 airlines fly nonstop from George Bush Intcntl Houston (IAH) to Philadelphia International Airport (PHL). It's 1,324 miles (2,131 km), about 3h 21m in the air. Operated by American Airlines, Frontier Airlines, United Airlines.

IAH
George Bush Intcntl Houston
🇺🇸 Houston, USA
PHL
Philadelphia International Airport
🇺🇸 Philadelphia, USA
Flight Time
3h 21m
Distance
1,324 mi
2,131 km
CO₂/pax
224 kg
−51 kg vs. layover
Airlines
3
American Airlines +2
Time Diff
+1h
Operated by American Airlines American Airlines Frontier Airlines Frontier Airlines United Airlines United Airlines

Route data last updated: May 26, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
IAH → PHL
Flight Time
3h 21m
Distance
1,324 mi
Frontier Airlines F9 Frontier Airlines
Route
IAH → PHL
Flight Time
3h 21m
Distance
1,324 mi
United Airlines UA United Airlines
Route
IAH → PHL
Flight Time
3h 21m
Distance
1,324 mi

Alternative Routes

Other ways to fly from Houston to Philadelphia with one stop · direct emits 224 kg CO₂ per passenger

IAH ATL (Atlanta) PHL
Leg 1: 2h 6m (688 mi) Leg 2: 2h 1m (667 mi) Total: ~4h 7m 🍃 275 kg CO₂ (+23% vs. direct)
Leg 1
IAH → ATL
2h 6m · 688 mi
View IAH to ATL flights →
Leg 2
ATL → PHL
2h 1m · 667 mi
View ATL to PHL flights →
IAH MSY (New Orleans) PHL
Leg 1: 1h 15m (304 mi) Leg 2: 2h 53m (1,089 mi) Total: ~4h 8m 🍃 265 kg CO₂ (+18% vs. direct)
Leg 1
IAH → MSY
1h 15m · 304 mi
View IAH to MSY flights →
Leg 2
MSY → PHL
2h 53m · 1,089 mi
View MSY to PHL flights →
IAH BNA (Nashville) PHL
Leg 1: 2h 1m (657 mi) Leg 2: 2h 8m (674 mi) Total: ~4h 9m 🍃 272 kg CO₂ (+21% vs. direct)
Leg 1
IAH → BNA
2h 1m · 657 mi
View IAH to BNA flights →
Leg 2
BNA → PHL
2h 8m · 674 mi
View BNA to PHL flights →
IAH MEM (Memphis) PHL
Leg 1: 1h 40m (468 mi) Leg 2: 2h 30m (874 mi) Total: ~4h 10m 🍃 274 kg CO₂ (+22% vs. direct)
Leg 1
IAH → MEM
1h 40m · 468 mi
View IAH to MEM flights →
Leg 2
MEM → PHL
2h 30m · 874 mi
View MEM to PHL flights →
IAH PIT (Pittsburgh) PHL
Leg 1: 2h 50m (1,116 mi) Leg 2: 1h 22m (268 mi) Total: ~4h 12m 🍃 264 kg CO₂ (+18% vs. direct)
Leg 1
IAH → PIT
2h 50m · 1,116 mi
View IAH to PIT flights →
Leg 2
PIT → PHL
1h 22m · 268 mi
View PIT to PHL flights →

Frequently Asked Questions

How long is the direct flight from Houston to Philadelphia?

A nonstop flight from Houston (IAH) to Philadelphia (PHL) takes approximately 3 hours and 21 minutes. The distance is 1,324 miles (2,131 km).

Which airlines fly nonstop from Houston to Philadelphia?

3 airlines: American Airlines, Frontier Airlines, United Airlines.

Is there a nonstop flight from Houston to Philadelphia?

Yes. 3 airlines: American Airlines, Frontier Airlines, United Airlines.

How far is Houston from Philadelphia?

The flight distance from Houston to Philadelphia 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 Houston to Philadelphia?

At 3h 21m, 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 Houston to Philadelphia?

Roughly 224 kg CO2 per passenger one-way. That's about the same as driving 1,120 km.

Is the return flight from Philadelphia to Houston 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 Houston to Philadelphia?

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 George Bush Intcntl Houston for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.