Direct (nonstop) flights from Houston to Cincinnati

1 airline flys nonstop from George Bush Intcntl Houston (IAH) to Cincinnati Northern Kentucky International (CVG). It's 872 miles (1,403 km), about 2h 28m in the air. Operated by United Airlines.

IAH
George Bush Intcntl Houston
🇺🇸 Houston, USA
CVG
Cincinnati Northern Kentucky International
🇺🇸 Cincinnati, USA
Flight Time
2h 28m
Distance
872 mi
1,403 km
CO₂/pax
161 kg
−28 kg vs. layover
Airlines
1
United Airlines
Time Diff
+1h
Operated by United Airlines United Airlines

Route data last updated: May 31, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
IAH → CVG
Flight Time
2h 28m
Distance
872 mi

Alternative Routes

Other ways to fly from Houston to Cincinnati with one stop · direct emits 161 kg CO₂ per passenger

IAH BNA (Nashville) CVG
Leg 1: 2h 1m (657 mi) Leg 2: 1h 10m (229 mi) Total: ~3h 11m 🍃 189 kg CO₂ (+17% vs. direct)
Leg 1
IAH → BNA
2h 1m · 657 mi
View IAH to BNA flights →
Leg 2
BNA → CVG
1h 10m · 229 mi
View BNA to CVG flights →
IAH MSY (New Orleans) CVG
Leg 1: 1h 15m (304 mi) Leg 2: 2h 4m (702 mi) Total: ~3h 19m 🍃 211 kg CO₂ (+31% vs. direct)
Leg 1
IAH → MSY
1h 15m · 304 mi
View IAH to MSY flights →
Leg 2
MSY → CVG
2h 4m · 702 mi
View MSY to CVG flights →
IAH ATL (Atlanta) CVG
Leg 1: 2h 6m (688 mi) Leg 2: 1h 23m (373 mi) Total: ~3h 29m 🍃 221 kg CO₂ (+37% vs. direct)
Leg 1
IAH → ATL
2h 6m · 688 mi
View IAH to ATL flights →
Leg 2
ATL → CVG
1h 23m · 373 mi
View ATL to CVG flights →
IAH AUS (Austin) CVG
Leg 1: 1h 4m (140 mi) Leg 2: 2h 30m (958 mi) Total: ~3h 34m 🍃 213 kg CO₂ (+32% vs. direct)
Leg 1
IAH → AUS
1h 4m · 140 mi
View IAH to AUS flights →
Leg 2
AUS → CVG
2h 30m · 958 mi
View AUS to CVG flights →
IAH GSP (Greenville) CVG
Leg 1: 2h 18m (837 mi) Leg 2: 1h 22m (317 mi) Total: ~3h 40m 🍃 239 kg CO₂ (+48% vs. direct)
Leg 1
IAH → GSP
2h 18m · 837 mi
View IAH to GSP flights →
Leg 2
GSP → CVG
1h 22m · 317 mi
View GSP to CVG flights →

Frequently Asked Questions

How long is the direct flight from Houston to Cincinnati?

A nonstop flight from Houston (IAH) to Cincinnati (CVG) takes approximately 2 hours and 28 minutes. The distance is 872 miles (1,403 km).

Which airlines fly nonstop from Houston to Cincinnati?

Just United Airlines.

Is there a nonstop flight from Houston to Cincinnati?

Yes. 1 airline: United Airlines.

How far is Houston from Cincinnati?

The flight distance from Houston to Cincinnati is 872 miles (1,403 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.

What type of aircraft flies from Houston to Cincinnati?

At 2h 28m, 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 Cincinnati?

Roughly 161 kg CO2 per passenger one-way. That's about the same as driving 805 km.

Is the return flight from Cincinnati 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 Cincinnati?

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.