What is the best airport?

IAH is the primary international hub, while Hobby (HOU) is closer to downtown.

It is generally more affordable than coastal cities.

What is the weather like?

Hot and humid summers, mild winters.

Merrillville

Houston

Flight Driving

Merrillville to Houston

Updated: 28 May 2026

To travel from Merrillville to Houston, you can drive south through Illinois, Missouri, Arkansas, and Texas via I-57 and I-45. The drive takes about 17 hours. Alternatively, fly from Chicago O'Hare to George Bush Intercontinental Airport (IAH). Houston is a global energy hub known for its space center and diverse culinary scene.

Total Distance: 1,800 km driving, 1,650 km air distance.

Fastest Way

Direct flight from Chicago O'Hare to IAH.

Cheapest Way

Driving is the most cost-effective for groups.

Compare Merrillville to Houston Routes

	Flight Direct	Driving Direct
Duration	2 hours 45 mins	17 hours
Avg Price	$160-$450	$250-$400 in fuel
Operator	United Airlines	Personal Vehicle
Route	ORD to IAH	I-57 S to I-45 S through St. Louis and Dallas.
Tip	United has a major hub at IAH, offering frequent flights.	Houston traffic is very heavy; plan your arrival for off-peak hours.

Travel Tips

Car Rental
Houston is extremely spread out; a rental car is essential for most visitors.
Dining
Houston has a world-class food scene; explore the diverse offerings in the Montrose neighborhood.
Humidity
Houston is very humid; dress in lightweight, breathable clothing.
Traffic
The I-610 loop can be very congested; use navigation apps to avoid delays.
Events
Check the schedule for the Houston Livestock Show and Rodeo if visiting in spring.

Safety Tips

Weather
Houston is prone to heavy rain and flooding; check weather reports before driving.
Emergency
Dial 911 for emergencies; Houston has a large emergency response network.
Area Awareness
Stick to well-lit areas in downtown and tourist districts.
Driving
Houston drivers are aggressive; stay alert and maintain a safe following distance.