£101 Cheap Flights from Houston (IAH) to Chicago (ORD)

You can find one-way and return flights from IAH to ORD with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IAH to ORD ticket fares go up or down.

September is typically the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Chicago, IL (ORD-O'Hare Intl.), with average return fares around £173. September often sees lower prices as the summer travel season winds down and before the holiday rush begins, leading to reduced demand. Other cheap months to fly from Houston, TX (IAH-George Bush Intercontinental) to Chicago, IL (ORD-O'Hare Intl.) include February and August.

There are 4 airlines offering direct flights from Houston, TX (IAH-George Bush Intercontinental) to Chicago, IL (ORD-O'Hare Intl.). Here are the top carriers:

* United operates 106 direct flights from IAH to ORD every week.
* American Airlines operates 42 direct flights from IAH to ORD every week.
* Spirit Airlines operates 13 direct flights from IAH to ORD every week.
* Frontier Airlines operates 7 direct flights from IAH to ORD every week.

To find a cheap flight from Houston, TX (IAH) to Chicago, IL (ORD), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The cheapest months to fly from Houston, TX (IAH-George Bush Intercontinental) to Chicago, IL (ORD-O'Hare Intl.) are typically September and February, with average return flights around £173. While October is a popular month for travel, offering plenty of flight options, it's not the cheapest. If you're looking for the best value, aiming for September or February will likely give you the most affordable fares.

The earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Chicago, IL (ORD-O'Hare Intl.) typically departs around 12:15 AM local time. This service is operated by United. This is a seasonal service, active only in November. An early departure like this can be really handy if you want to maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

A non-stop flight from Houston, TX (IAH-George Bush Intercontinental) to Chicago, IL (ORD-O'Hare Intl.) typically takes around 2 hours 48 minutes. This route covers a distance of approximately 1,490 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 7 hours. Flights with two or more stops generally take about 7 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.

Select the "Business class" and "First class" filters when looking for Houston, TX (IAH) to Chicago, IL (ORD) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Chicago from George Bush Intercontinental (IAH), you can fly directly into O'Hare Intl. (ORD). Some flights may connect through major hubs like Portland Intl. (PDX), Seattle - Tacoma Intl. (SEA), or Dallas-Fort Worth Intl. (DFW) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Houston, TX (IAH-George Bush Intercontinental) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Houston, TX (IAH) to Chicago, IL (ORD) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.