How long is the flight to Houston?

The flight is approximately 3 hours.

Is it better to fly into IAH or HOU?

IAH has more flights, but HOU is closer to downtown.

What is the best time to visit?

Spring and Fall offer the best weather.

Reston

Houston

Flight

Reston to Houston

Updated: 28 May 2026

The trip from Reston to Houston is a long-haul flight. You can fly from Dulles International Airport to George Bush Intercontinental Airport. The flight duration is approximately 3 hours. Driving is not recommended due to the distance and time required.

Total Distance: 2,300 km driving distance; 1,900 km straight-line air distance.

Fastest Way

Direct flight from IAD to IAH, taking 3 hours.

Cheapest Way

Flight from IAD to IAH, booked in advance.

Compare Reston to Houston Routes

Flight

Direct

Duration

3 hours

Avg Price

$150 - $400

Operator

United Airlines

Route

IAD to IAH

IAH is a major hub; allow time for transit.

Travel Tips

Airport Transit
Use ride-share to get from IAH to downtown Houston.
Transportation
A car is recommended for exploring the city and surrounding areas.
Booking
Book flights at least 6 weeks in advance for the best prices.
Dining
Try the local food, especially the barbecue and Tex-Mex.
Weather
Summers can be very hot and humid.