Distance between cities › USA › Texas › DFW, TX › Distance from Dallas/Fort Worth International Airport to George Bush Intercontinental Airport Book Hotels

Distance from DFW Airport to IAH Airport

Distance

254 mi

Time

4 hours 39 mins

Gas Cost

$23 - $45

Helpful Inaccurate

There are 224.71 miles from Dallas/Fort Worth International Airport (DFW) to George Bush Intercontinental Airport (IAH) in southeast direction and 254 miles (408.77 kilometers) by car, following the I-45 route.

DFW Airport and IAH Airport are 4 hours 39 mins far apart, if you drive non-stop .

This is the fastest route from DFW Airport to IAH Airport. The halfway point is Buffalo, TX.

DFW Airport and IAH Airport are in the same time zone (CDT). Current time in both locations is 11:19 am.

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Lowest Price Rental Cars in DFW Airport

Planning on renting a car to go from DFW Airport to IAH Airport? Here there are some offers to rent a car in DFW Airport

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dallas/Fort Worth International Airport »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 10.19 gallons of gas to cover the route between DFW Airport and IAH Airport.

The estimated cost of gas to go from DFW Airport to IAH Airport is $32.67.

During the route, an average car will release 199.62 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.21 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between DFW Airport and IAH Airport

If you want to meet halfway between DFW Airport and IAH Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 31.497656 and -96.096893, or 31º 29' 51.5616" N, 96º 5' 48.8148" W. This location is 126.85 miles away from DFW Airport and IAH Airport and it would take approximately 2 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buffalo, TX, situated 130 miles from DFW Airport and 126 miles from IAH Airport. It would take 2 hours 19 mins to go from DFW to Buffalo and 2 hours 16 mins to go from IAH to Buffalo.