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Cheap Flights from Houston George Bush Intercntl. to Chicago O'Hare International from $86

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Compare Houston George Bush Intercntl. to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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Flight deals from Houston George Bush Intercntl. to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. to Chicago O'Hare International? Find the lowest prices on one-way and return tickets right here.
Chicago.$173 per passenger.Departing Fri, 2 May, returning Sun, 4 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Fri, 2 May, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sun, 4 May, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $173, select.
Chicago.$173 per passenger.Departing Wed, 11 Jun, returning Tue, 17 Jun.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Wed, 11 Jun, arriving in Chicago O'Hare International.Inbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Tue, 17 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $173, select.
Chicago.$177 per passenger.Departing Sat, 31 May, returning Tue, 3 Jun.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Sat, 31 May, arriving in Chicago O'Hare International.Inbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Tue, 3 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $177, select.
Chicago.$205 per passenger.Departing Sat, 26 Apr, returning Mon, 5 May.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Sat, 26 Apr, arriving in Chicago O'Hare International.Inbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Mon, 5 May, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $205, select.
Chicago.$205 per passenger.Departing Wed, 30 Apr, returning Fri, 2 May.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Wed, 30 Apr, arriving in Chicago O'Hare International.Inbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Fri, 2 May, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $205, select.
Chicago.$209 per passenger.Departing Sat, 26 Apr, returning Mon, 28 Apr.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Sat, 26 Apr, arriving in Chicago O'Hare International.Inbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Mon, 28 Apr, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $209, select.
Chicago.$210 per passenger.Departing Wed, 25 Jun, returning Tue, 8 Jul.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Wed, 25 Jun, arriving in Chicago O'Hare International.Inbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Tue, 8 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $210, select.
Chicago.$235 per passenger.Departing Wed, 28 May, returning Thu, 31 Jul.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Wed, 28 May, arriving in Chicago O'Hare International.Inbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Thu, 31 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $235, select.

Find the cheapest month to fly from Houston George Bush Intercntl. to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Chicago O'Hare International flights are currently cheapest in May.
Apr
from $209
May
from $173
Jun
from $173
Jul
from $237
Aug
from $237
Sep
from $237
Oct
from $301
Nov
from $237
Dec
from $651
Jan
from $644
Feb
Find prices
Mar
Find prices

Direct flights from Houston George Bush Intercntl. to Chicago O'Hare International

Houston George Bush Intercntl. to Chicago O'Hare International: Alternative routes

Compare routes from Houston George Bush Intercntl. to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Houston to Chicago: Flight information

The things to know before you go.
Cheapest flight found$173
Cheapest month to flyMay
Average flight time2 hrs, 50 mins
Most popular airlineAmerican Airlines
Average flights per week374

Finding cheap flights from Houston George Bush Intercntl. to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Chicago O'Hare International is $173. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 50 minutes is the average flight time from Houston George Bush Intercntl. to Chicago O'Hare International.
American Airlines, United and Alaska Airlines fly direct from Houston George Bush Intercntl. to Chicago O'Hare International.
As of April 2025, there are 374 flights per week flying from Houston George Bush Intercntl. to Chicago O'Hare International.
The cheapest month to fly from Houston George Bush Intercntl. to Chicago O'Hare International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Chicago O'Hare International Airport on Friday, 2 May 2025.
Yes – the average flight time is 2 hours and 50 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Chicago O'Hare International.

Flying from George Bush Intercontinental Airport (IAH) to O'Hare International Airport (ORD): what you need to know

  • Expect to be in the air for around 2 hours 42 minutes. That's the average duration of a direct flight from George Bush Intercontinental Airport to O'Hare International Airport. Houston and Chicago share the same timezone (UTC-5).

  • Every week, there are 130 flights from George Bush Intercontinental Airport to O'Hare International Airport. If you prefer to get going early, go for the 05:00 United Airlines flight. If you'd rather make the most of your day before you fly, the latest flight from IAH to ORD is 22:27 with Spirit Airlines.

  • If you're heading away during a bank holiday or other peak period, allow for even more time. A good general rule is two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

  • If you'd like to break up your flight from George Bush Intercontinental Airport to O'Hare International Airport, consider adding a stopover. Simply uncheck 'Direct flights only' to find a city that interests you. The most popular stopovers on the IAH - ORD route are:

    • Dane County Regional Airport

    • Tulsa International Airport

    • Lambert-St. Louis International Airport

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to O'Hare International Airport (ORD)

  • The best price we've seen for a one-way ticket from George Bush Intercontinental Airport to O'Hare International Airport is $86. The cheapest price for a return flight is $173. Bear in mind that fares could change due to availability at the time of booking.

  • Get cheap flight tickets from IAH to ORD by booking at least 9 months ahead. Based on our research, that's the sweet spot for bagging a bargain.

  • Organise your trip for May. That's the cheapest month for tickets from George Bush Intercontinental Airport to O'Hare International Airport. If you have flexibility with your dates, try out the 'Whole month' tool to see the cheapest price across every month.

  • Snapping up a cheap ticket from IAH to ORD is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as the price has fallen.

  • Play around with filters to find the ideal journey for you. To see the 'Cheapest,' 'Best' or 'Fastest' flights from George Bush Intercontinental Airport to O'Hare International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about George Bush Intercontinental Airport (IAH)

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • O'Hare International Airport to central Chicago is around 35 minutes by car. It's approximately 40 kilometres away. Discover what options are available, such as cabs, car rentals or ride-sharing services.

  • Travelling by public transport takes around 54 minutes.

When to fly to O'Hare International Airport (ORD)

  • It's time to work out your dates for your flight from George Bush Intercontinental Airport to O'Hare International Airport. August is the busiest month to visit Chicago. If you prefer a more relaxed vibe, go in February.

  • When reserving your flight from George Bush Intercontinental Airport to O'Hare International Airport, think about the type of weather you like. July is the warmest month in Chicago, with temperatures ranging from 15ºC to 29ºC.

  • If you want to travel in cooler conditions, look for a cheap ticket from IAH to ORD in January. Temperatures average between -12ºC and 3ºC then.

More about Chicago

Complete your Chicago trip with hotels and a car rental

  • Comparing flights is not the only thing we're good at. Once you've secured your cheap ticket to O'Hare International Airport, explore our great car rental deals that'll give you the freedom to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find your ideal Chicago stay.

Plan the rest of your trip from Houston to Chicago

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.