Rockville
Rockville
Houston
Houston
Flight Driving

Rockville to Houston

Updated: 28 May 2026

Houston is a major hub accessible from Rockville via a 3.5-hour flight from BWI to George Bush Intercontinental (IAH). Driving takes about 23 hours, primarily following I-95 S and I-10 W. Houston is the fourth-largest city in the US, known for its space exploration history and diverse culinary scene. The city is extremely spread out, making a rental car essential. Be prepared for high humidity, especially during the summer months.

Total Distance: Driving distance 2,300 km, straight-line air distance 2,000 km.
Fastest Way
Direct flight from BWI to IAH takes 3.5 hours.
Cheapest Way
Flying is generally more economical than the fuel and hotel costs of a 2-day drive.
Compare Rockville to Houston Routes
Flight
Direct
Driving
Direct
Duration 3 hours 30 mins 23 hours
Avg Price $180 - $400 $350 - $550
Operator United Airlines Personal Vehicle
Route BWI to IAH I-95 S to I-10 W
Tip Direct flights are available daily. Expect heavy traffic through Atlanta and New Orleans.
Travel Tips
  • Transport
    Houston is massive; you will need a car to get anywhere efficiently.
  • Dining
    Explore the city's incredible Tex-Mex and Vietnamese food scenes.
  • Weather
    Carry an umbrella; sudden heavy rain is common throughout the year.
  • Events
    Visit during the Houston Livestock Show and Rodeo in spring.
  • Navigation
    Use GPS apps to navigate the complex web of highway loops.
Safety Tips
  • Flooding
    Avoid driving through flooded underpasses during heavy rainstorms.
  • Heat
    Stay indoors during the peak heat of summer afternoons.
  • Personal Safety
    Be aware of your surroundings in downtown areas at night.
  • Emergency
    Keep emergency contact numbers saved in your phone.
People Also Ask
  • Is Houston humid?
    Yes, Houston is known for very high humidity year-round.
  • What is the best airport?
    IAH is the main international hub, while Hobby (HOU) is closer to downtown.
  • Do I need a car?
    Yes, public transportation is limited and the city is very spread out.
  • Is the space center worth it?
    Yes, it is one of the most popular attractions in Texas.
  • How long is the flight?
    A direct flight from BWI to IAH is about 3.5 hours.
Quick Info
  • From Rockville, Maryland, United States
  • To Houston, Texas, United States
  • Modes
Best Time to Travel

February to April or October to November for mild weather.

Things to Do in Houston
1
Space Center Houston
The official visitor center of NASA Johnson Space Center. See real spacecraft and learn about moon missions.
2
Museum District
Home to 19 museums, including the Museum of Fine Arts and the Houston Museum of Natural Science.
3
Buffalo Bayou Park
A 160-acre park with hiking and biking trails, offering great views of the downtown skyline.
4
The Galleria
One of the largest shopping malls in the US, featuring high-end retail and an indoor ice rink.
Tags
Rockville to Houston flights driving to Houston from Maryland BWI to IAH Houston travel guide Texas road trip cheapest flights to Houston Rockville travel Houston tourism