$101 Find Cheap Flights from Chicago to Houston - Compare and Save

These are the earliest and latest flight times available from Chicago to Houston:

• Earliest: departs at 12:01 am and lands at 2:58 am
• Latest: departs at 11:50 pm and lands at 2:47 am.

The flight takes about 2h 57m.

Four cabin classes are available on flights from Chicago to Houston:

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

Prices vary by airline.

A nonstop flight from Chicago to Houston takes 2h 57m, covering 941 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.

Round-trip flights from Chicago to Houston range from $167 to $360, with an average of $248 over the past 12 months. Anything below $167 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 35% above the $248 route average. Book 10 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $176 round-trip via Raleigh-Durham (RDU), compared to $248 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on Chicago to Houston flights, with 41% of flights leaving in that window. Afternoon departures account for 28%, evening flights for 22%, and night flights for 9%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $198 to $1,687. That means the highest observed fare was about 9x higher than the lowest one.

Two airlines offer in-flight Wi-Fi on Chicago to Houston flights:

• American Airlines
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Chicago to Houston are currently lower than usual. Average one-way flight prices are about $108, which is 37% below the typical average for this route.

Since Houston is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Houston George Bush Intcntl Airport (IAH) — daily rates averaging $40:

• ACO Rent A Car
• Easirent
• America Car Rental
• Thrifty
• Hertz

Near Houston Hobby Airport (HOU) — daily rates averaging $69:

• Thrifty
• Dollar
• Alamo
• Hertz
• Ace

Flights from Chicago to Houston may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD), with arrivals available at Houston area airports such as Houston Hobby (HOU) and Houston George Bush Intcntl (IAH).

Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago to Houston route, 21% of flights were delayed in the past 3 months, with delays averaging 2h 06m.

One-stop flights from Chicago to Houston most commonly connect through:

• Chicago O'Hare Intl (ORD) - 33% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 31% of one-stop connections
• Raleigh-Durham (RDU) - 9% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 6% of one-stop connections

Yes. Flexible dates can save you up to 22% on flights from Chicago to Houston. Thursday is the cheapest departure day at $241 round-trip on average, while Monday is the most expensive at $308, a difference of $67.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

4 airlines operate flights between Chicago and Houston. The airlines offering nonstop flights on this route include:

• United Airlines
• American Airlines
• Southwest
• Frontier

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 4h 37m, compared with 5h 13m via Detroit Metropolitan Wayne County (DTW) and 6h 02m via Chicago O'Hare Intl (ORD).

Some of the most popular sights in Houston are George R. Brown Convention Center, Daikin Park and Houston Stadium. These are among the most viewed places in Houston on KAYAK.

Among airlines operating Chicago to Houston flights:

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

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

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

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