Cheap flight tickets from Chicago O'Hare International to Houston

Compare Chicago O'Hare International to Houston flight deals

Find the cheapest month or even day of the year to fly to Houston

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Flight deals from Chicago O'Hare International to Houston

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Houston? If you want to travel next month, return fares start from RM231. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Houston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Houston flights are currently cheapest in June.

Direct flights from Chicago O'Hare International to Houston

Alternative Chicago O'Hare International to Houston routes

Looking for the cheapest, fastest or easiest route from Chicago O'Hare International to Houston? You could fly into the following airports instead.

Chicago to Houston: Flight information

The things to know before you go.
Cheapest flight foundRM115
Cheapest month to flyJune
Average flight time2 hrs, 57 mins
Most popular airlineAmerican Airlines
Average flights per week575

Finding cheap flights from Chicago O'Hare International to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from Chicago O'Hare International to Houston is RM231. 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 57 minutes is the average flight time from Chicago O'Hare International to Houston.
American Airlines, United and Alaska Airlines fly direct from Chicago O'Hare International to Houston.
As of April 2026, there are 575 flights per week flying from Chicago O'Hare International to Houston.
The cheapest month to fly from Chicago O'Hare International to Houston is usually May.
If you're flying from Chicago O'Hare International Airport, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from RM231.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Houston on Wednesday, 13 May 2026.
Yes – the average flight time is 2 hours and 57 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 Houston 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 Houston is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 20°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
Currently, Frontier Airlines offers the cheapest flight tickets to Houston.

Flying from Chicago O'Hare International Airport (ORD) to Houston: what you need to know

  • Hop on a direct flight from Chicago O'Hare International Airport to Houston and you'll be travelling for an average of 2 hours 45 minutes.

  • Houston's timezone is UTC-6, which is the same as Chicago (the location of Chicago O'Hare International Airport).

  • With 112 weekly flights between the two airports, Chicago O'Hare International Airport (ORD) to Houston George Bush Intercontinental Airport (IAH) is the most popular route. United Airlines operates the earliest flight at 05:00. If you'd like to make the most of your day before leaving, the latest flight from ORD to IAH is with United Airlines at 22:00.

  • For a relaxed start to your ORD to Houston flight, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Flying during a peak time like July? School holidays and other high seasons can mean longer queues and delays at security. Play it safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • Direct Chicago O'Hare International Airport to Houston tickets are available for booking. Houston George Bush Intercontinental Airport (IAH) is where you'll step off the plane.

  • You'll have your pick of airlines operating direct flights from Chicago O'Hare International Airport to Houston. Book your journey with one of these:

  • Travelling from central Chicago to ORD takes about 45 minutes by public transport. If you drive, ride-share or take a taxi, you'll cover the 26 kilometres in 30 minutes or so, depending on traffic.

  • Have an early flight from Chicago O'Hare International Airport to Houston? Avoid rushing to the terminal (and get some extra shut-eye) by choosing one of these hotels close to ORD:

  • When it comes to the on-time performance of Chicago O'Hare International Airport, data shows 70% of flights arrive within the scheduled time frame.

  • You'll find ORD at 10000 West O'Hare.

How to find the cheapest flights from Chicago O'Hare International Airport (ORD) to Houston

  • The best price we've seen for a one-way Chicago O'Hare International Airport to Houston flight is RM115. The cheapest price for a return flight is RM231. Bear in mind fares can change due to availability at the time of booking.

  • To find cheap flights from ORD to Houston, book ahead. Airlines typically offer their most competitively priced fares when tickets are first released.

  • Finding cheap tickets from Chicago O'Hare International Airport to Houston is more likely if you can be flexible with your dates. Try using the 'Whole month' function to get the lowest prices across each month and walk away with a fantastic deal.

  • Spend less time searching for cheap flights from ORD to Houston by setting up a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Tailor your flights with filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Chicago O'Hare International Airport to Houston.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

  • Houston George Bush Intercontinental Airport (IAH) is around 40 kilometres from the centre of Houston. If you're catching a taxi or a ride-share, the drive takes roughly 30 minutes.

  • Travelling by public transport typically takes 1 hour 10 minutes.

  • If you're arriving on a late flight from Chicago O'Hare International Airport to Houston, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and sleeping not long after at one of these accommodation options near IAH:

  • Get the best deal by reserving your vehicle from Houston George Bush Intercontinental Airport around three weeks before your flight from ORD to Houston.

  • You'll find IAH at 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

  • Houston Hobby Airport (HOU) is about 19 kilometres from the centre of Houston. Once you've hopped off your flight from Chicago O'Hare International Airport to Houston, it'll take you around 20 minutes to get to the heart of the city in a taxi or ride-share.

  • You can expect the trip to take about 50 minutes on public transport.

  • Following your ORD to Houston flight, rest your head at a hotel close to HOU. These are some comfortable options that'll help you get into relaxation mode:

  • Avoid paying extra. Reserving your ride four weeks before your arrival at HOU will help you stay within budget.

  • You can find Houston Hobby Airport at 7800 Airport Boulevard.

Best time to go to Houston

  • It's time to pick your trip dates for your flight from Chicago O'Hare International Airport to Houston. July is the busiest month to travel to Houston. If you want a quieter atmosphere, go in January.

  • Before locking in your Chicago O'Hare International Airport to Houston plane ticket, think about the kind of weather forecast you're hoping for. August is the warmest month in Houston, with temperatures ranging from 24ºC (75ºF) to 40ºC (104ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from ORD to Houston in January when temperatures average between 5ºC (41ºF) and 19ºC (66ºF).

More about Houston

  • Start your Houston trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Chicago O'Hare International Airport to Houston, browse our range of hotels including:

  • There are so many things to do and see in this city it can be hard to work out where to start. Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and The Menil Collection are leading attractions which should be on any well-planned Houston itinerary.

Explore more of the United States

  • San Antonio is just one of the many places in the United States waiting to be discovered once you've seen Houston. Around 306 kilometres away to the west, its top attractions include San Antonio River Walk, San Antonio River walk and Alamo Plaza.

  • If you're looking to explore another side of the United States, consider Dallas, about 370 kilometres north of Houston. Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art are highlights.

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