Direct (nonstop) flights from Houston to Oklahoma City

1 airline flys nonstop from George Bush Intcntl Houston (IAH) to Will Rogers World (OKC). It's 395 miles (636 km), about 1h 37m in the air. Operated by United Airlines.

IAH
George Bush Intcntl Houston
🇺🇸 Houston, USA
OKC
Will Rogers World
🇺🇸 Oklahoma City, USA
Flight Time
1h 37m
Distance
395 mi
636 km
CO₂/pax
73 kg
−44 kg vs. layover
Airlines
1
United Airlines
Time Diff
Same timezone
Operated by United Airlines United Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
IAH → OKC
Flight Time
1h 37m
Distance
395 mi

Alternative Routes

Other ways to fly from Houston to Oklahoma City with one stop · direct emits 73 kg CO₂ per passenger

IAH AUS (Austin) OKC
Leg 1: 1h 4m (140 mi) Leg 2: 1h 20m (357 mi) Total: ~2h 24m 🍃 117 kg CO₂ (+60% vs. direct)
Leg 1
IAH → AUS
1h 4m · 140 mi
View IAH to AUS flights →
Leg 2
AUS → OKC
1h 20m · 357 mi
View AUS to OKC flights →
IAH DFW (Dallas) OKC
Leg 1: 1h 27m (224 mi) Leg 2: 1h 5m (175 mi) Total: ~2h 32m 🍃 99 kg CO₂ (+36% vs. direct)
Leg 1
IAH → DFW
1h 27m · 224 mi
View IAH to DFW flights →
Leg 2
DFW → OKC
1h 5m · 175 mi
View DFW to OKC flights →
IAH MEM (Memphis) OKC
Leg 1: 1h 40m (468 mi) Leg 2: 1h 45m (431 mi) Total: ~3h 25m 🍃 192 kg CO₂ (+163% vs. direct)
Leg 1
IAH → MEM
1h 40m · 468 mi
View IAH to MEM flights →
Leg 2
MEM → OKC
1h 45m · 431 mi
View MEM to OKC flights →
IAH STL (Saint Louis) OKC
Leg 1: 2h 9m (667 mi) Leg 2: 1h 40m (460 mi) Total: ~3h 49m 🍃 233 kg CO₂ (+219% vs. direct)
Leg 1
IAH → STL
2h 9m · 667 mi
View IAH to STL flights →
Leg 2
STL → OKC
1h 40m · 460 mi
View STL to OKC flights →
IAH BNA (Nashville) OKC
Leg 1: 2h 1m (657 mi) Leg 2: 1h 55m (616 mi) Total: ~3h 56m 🍃 261 kg CO₂ (+258% vs. direct)
Leg 1
IAH → BNA
2h 1m · 657 mi
View IAH to BNA flights →
Leg 2
BNA → OKC
1h 55m · 616 mi
View BNA to OKC flights →

Frequently Asked Questions

How long is the direct flight from Houston to Oklahoma City?

A nonstop flight from Houston (IAH) to Oklahoma City (OKC) takes approximately 1 hours and 37 minutes. The distance is 395 miles (636 km).

Which airlines fly nonstop from Houston to Oklahoma City?

Just United Airlines.

Is there a nonstop flight from Houston to Oklahoma City?

Yes. 1 airline: United Airlines.

How far is Houston from Oklahoma City?

The flight distance from Houston to Oklahoma City is 395 miles (636 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.

What type of aircraft flies from Houston to Oklahoma City?

At 1h 37m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Houston to Oklahoma City?

Roughly 73 kg CO2 per passenger one-way. That's about the same as driving 365 km.

Is the return flight from Oklahoma City 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 Oklahoma City?

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.