$89 Find Cheap Flights from Chicago to Houston George Bush Airport - Compare and Save

Among airlines operating Chicago to Houston George Bush Intcntl Airport flights:

• Frontier: offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

3 airlines operate flights between Chicago and Houston George Bush Intcntl Airport. The airlines offering nonstop flights on this route include:

• United Airlines
• American Airlines
• Frontier

Flights from Chicago to Houston George Bush Intcntl Airport may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Houston George Bush Intcntl (IAH).

Here are some options for this route, based on selected ticket types and cabin classes:

• Frontier: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from Chicago to Houston George Bush Intcntl Airport:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $176 round-trip via Raleigh-Durham (RDU), compared to $225 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $23–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Chicago to Houston George Bush Intcntl Airport most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 35% of one-stop connections
• Chicago O'Hare Intl (ORD) - 28% of one-stop connections
• Raleigh-Durham (RDU) - 9% of one-stop connections
• Orlando (MCO) - 6% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 27% on the Chicago to Houston George Bush Intcntl Airport route. Thursday is the cheapest departure day at $204 round-trip on average, while Monday is the most expensive at $277, a difference of $73. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Chicago to Houston George Bush Intcntl Airport flights, with 39% of flights leaving in that window. Afternoon departures account for 28%, evening flights for 22%, and night flights for 11%.

Some of the most popular sights in Houston George Bush Intcntl Airport are Downtown Houston, George R. Brown Convention Center and Galleria Mall. These are among the most viewed places in Houston George Bush Intcntl Airport on KAYAK.

These are the earliest and latest flight times available from Chicago to Houston George Bush Intcntl Airport:

• Earliest: departs at 12:01 am and lands at 2:57 am
• Latest: departs at 11:55 pm and lands at 2:51 am.

The flight takes about 2h 56m.

Last-minute fares on this route - booked within 2 weeks of departure - run 33% above the route average of $225. Book 10 weeks before departure for the lowest fares.

A nonstop flight from Chicago to Houston George Bush Intcntl Airport takes 2h 56m, covering 926 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Chicago to Houston George Bush Intcntl Airport are currently lower than usual. Average one-way flight prices are about $153, which is 5% below the typical average for this route.

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 5h 16m, compared with 5h 56m via Chicago O'Hare Intl (ORD) and 6h 08m via Raleigh-Durham (RDU).

Houston George Bush Intcntl Airport (IAH) hosts 5 major car rental companies, with daily rates starting from around $3 for economy cars. Top options include:
· ACO Rent A Car
· Easirent
· America Car Rental
· Hertz
· Thrifty

Round-trip flights from Chicago to Houston George Bush Intcntl Airport range from $152 to $319, with an average of $225 over the past 12 months. Anything below $152 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Chicago to Houston George Bush Intcntl Airport flights:

• • American Airlines
• • JetBlue