Cheap flights from Chicago (CHIA) to Houston (HOUA)

Compare Chicago to Houston flight deals

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

Book the best Houston fare with no extra fees

Flight deals from Chicago to Houston

Looking for a cheap last-minute deal or the best return flight from Chicago to Houston? If you want to travel next month, return fares start from $138. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago to Houston

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

Direct flights from Chicago to Houston

Alternative Chicago to Houston routes

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

Chicago to Houston: Flight information

The things to know before you go.
Cheapest flight found$70
Cheapest month to flyAugust
Average flight time2 hrs, 51 mins
Most popular airlineAmerican Airlines
Average flights per week650

Finding cheap flights from Chicago to Houston: Frequently asked questions

There are 3 airports in Houston: Houston Hobby, Houston George Bush Intercntl. and Houston Ellington Field.
The best price we found for a return flight from Chicago to Houston is $125. 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 51 minutes is the average flight time from Chicago to Houston.
American Airlines, United and Southwest Airlines fly direct from Chicago to Houston.
As of July 2026, there are 2,764 flights per week flying from Chicago to Houston.
The cheapest month to fly from Chicago to Houston is usually July.
If you're flying from Chicago, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 24.9 km away from the centre of Houston. We've found flights into this airport from $125.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Houston on Tuesday, 21 July 2026.
Yes – the average flight time is 2 hours and 51 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 July, the average temperature is usually around 29°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.
The cheapest airline that flies to Houston is Frontier Airlines .

Travelling from Chicago to Houston: what you need to know

  • Countless great adventures start at one of Chicago's main airports, Chicago O'Hare International Airport (ORD) or Chicago Midway Airport (MDW). Check out your options for booking a flight from Chicago to Houston taking off from either of these bases.

  • Houston George Bush Intercntl. Airport (IAH) and Houston Hobby Airport (HOU) are the chief entry points to Houston.

  • Hop on a direct Chicago to Houston flight and you'll be in the air for an average of 2 hours 55 minutes.

  • Chicago and Houston are in the same timezone, UTC-6.

  • Chicago O'Hare International Airport (ORD) to Houston George Bush Intercntl. Airport (IAH) is the most traveled route between these two cities. There are 117 weekly departures to choose from. If you prefer starting your day later, the last flight from Chicago to Houston is with United Airlines at 22:00. Go for the first ORD to IAH departure with United Airlines at 05:00 to fit in more activities on your first day in Houston.

  • To ensure you make your Chicago to Houston flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • During popular months such as July, it's best to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during a peak period in general.

How to find the cheapest flights from Chicago to Houston

  • To find cheap Chicago to Houston flights, book ahead. Airlines usually offer the most competitive fares when flights are first released.

  • Finding cheap plane tickets from Chicago to Houston is easier if you can be flexible with your trip dates. Use the 'Whole month' search function to see the lowest fares across the month and walk away with a great deal.

  • Stay on top of deals for cheap flights from Chicago to Houston by creating a Price Alert. You'll receive an email or notification through the app when a new discounted fare appears.

  • Find a cheap Chicago to Houston flight with the help of our filters. Select your ideal duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Chicago

Chicago O'Hare International Airport (ORD)

  • You can book a direct flight from Chicago to Houston leaving from Chicago O'Hare International Airport (ORD). Begin your trip at ORD and come in for landing at Houston George Bush Intercntl. Airport (IAH).

  • Leading airlines that offer direct Chicago to Houston plane tickets from ORD include:

  • ORD is around 26 kilometres from central Chicago. If you're ride-sharing, driving or catching a taxi from the centre, it'll take 30 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 45 minutes.

  • Want a relaxed start to your journey? Stay near Chicago O'Hare International Airport. Whether you're boarding an early flight from Chicago to Houston or just don't want to be rushed, these hotels are ideal:

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

  • ORD is located at 10000 West O'Hare.

Chicago Midway Airport (MDW)

  • Thinking of taking off from Chicago Midway Airport (MDW)? You can catch a direct flight from Chicago to Houston out of this hub. Land at Houston George Bush Intercntl. Airport (IAH) or Houston Hobby Airport (HOU) and skip the layovers.

  • From MDW, you can book a direct Chicago to Houston plane ticket with Southwest Airlines.

  • You can get to MDW from the centre of Chicago in about 25 minutes by car (depending on traffic conditions). The ride by public transport will take roughly 30 minutes to travel the 14 kilometres or so.

  • Kick off your holiday early with an extra night away from home. Before catching your flight from Chicago to Houston, stay in one of these hotels close to Chicago Midway Airport:

  • As far as flight punctuality goes, Chicago Midway Airport has an on-time arrival performance of 76%.

  • You'll find MDW at 5700 South Cicero.

Arriving in Houston

Houston George Bush Intercntl. Airport (IAH)

Houston Hobby Airport (HOU)

  • Central Houston is around 16 kilometres from Houston Hobby Airport (HOU). After your flight from Chicago to Houston has landed and you've navigated your way to arrivals, expect a drive of about 20 minutes.

  • Public transport will get you there in about 50 minutes.

  • You'll find some great places to lay your head close to HOU. Unwind after your Chicago to Houston flight at one of these perfectly located options:

  • Forget about public transport schedules or waiting in a long taxi line. Pick up a Houston Hobby Airport rental car and go in any direction that inspires you. Compare availability and rates from Easirent, Dollar and Thrifty.

  • Avoid last-minute price surges. Reserving your ride four weeks before your arrival at HOU can land you a better rate.

  • Houston Hobby Airport is located at 7800 Airport Boulevard.

Best time to go to Houston

  • July is the busiest month for flights from Chicago to Houston. To skip the crowds, head to Houston in September.

  • Book a Chicago to Houston ticket departing in August if you're eager to experience the city during its warmest month. Expect temperatures in Houston to range from 24ºC (75ºF) to 40ºC (104ºF).

  • Look for cheap flights from Chicago to Houston in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 19ºC (66ºF) on average.

More about Houston

Explore more of the United States

  • Houston has plenty to offer, but there are so many other parts of the United States waiting to be discovered. Around 306 kilometres west of Houston, a visit to San Antonio will keep your itinerary packed. Start with leading sights like San Antonio River Walk, Selena Quintanilla Mural and Historic Market Square.

  • If you want to check out another great destination in the United States, consider Dallas, about 370 kilometres north of Houston. Dallas Symphony Orchestra at Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.