Cheap Flights from Chicago to Houston

Compare Chicago to Houston flight deals

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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 $166. Find the lowest prices on one-way and return tickets right here.

Houston.$166 per passenger.Departing Thu, 9 Apr, returning Thu, 16 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 9 Apr, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Thu, 16 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From $166, select.

Houston.$166 per passenger.Departing Thu, 7 May, returning Tue, 12 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 7 May, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Tue, 12 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From $166, select.

Houston.$184 per passenger.Departing Mon, 30 Mar, returning Wed, 22 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 30 Mar, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed, 22 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From $184, select.

Houston.$193 per passenger.Departing Thu, 30 Apr, returning Sat, 2 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 30 Apr, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Sat, 2 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From $193, select.

Houston.$237 per passenger.Departing Thu, 4 Jun, returning Mon, 8 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 4 Jun, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Mon, 8 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From $237, select.

Houston.$254 per passenger.Departing Thu, 9 Jul, returning Tue, 14 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 9 Jul, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Tue, 14 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From $254, select.

Houston.$263 per passenger.Departing Thu, 28 May, returning Mon, 1 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 28 May, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon, 1 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From $263, select.

Houston.$271 per passenger.Departing Wed, 1 Jul, returning Sat, 1 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Wed, 1 Jul, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Sat, 1 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From $271, select.

Houston.$289 per passenger.Departing Mon, 11 May, returning Mon, 1 Jun.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Mon, 11 May, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Mon, 1 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From $289, select.

Houston.$290 per passenger.Departing Mon, 9 Mar, returning Tue, 31 Mar.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Mon, 9 Mar, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Tue, 31 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From $290, select.

Houston.$327 per passenger.Departing Mon, 30 Mar, returning Tue, 31 Mar.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Mon, 30 Mar, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Tue, 31 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From $327, select.

Houston.$329 per passenger.Departing Sat, 1 Aug, returning Wed, 19 Aug.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Sat, 1 Aug, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Wed, 19 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From $329, select.

Houston.$337 per passenger.Departing Wed, 17 Jun, returning Wed, 1 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Wed, 17 Jun, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed, 1 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From $337, select.

Houston.$343 per passenger.Departing Tue, 25 Aug, returning Tue, 1 Sep.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Tue, 25 Aug, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Tue, 1 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From $343, select.

Houston.$343 per passenger.Departing Tue, 1 Sep, returning Wed, 2 Sep.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Tue, 1 Sep, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departs from Houston George Bush Intercntl. on Wed, 2 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From $343, select.

Houston.$441 per passenger.Departing Thu, 22 Oct, returning Tue, 27 Oct.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Thu, 22 Oct, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 27 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From $441, select.

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 April.

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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	$166
Cheapest month to fly	April
Average flight time	2 hrs, 56 mins
Most popular airline	United
Average flights per week	531

Finding cheap flights from Chicago to Houston: Frequently asked questions

How many airports are there in Houston?

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.

How much are return flights from Chicago to Houston?

The best price we found for a return flight from Chicago to Houston is $166. 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.

How long does it take to fly from Chicago to Houston?

2 hours and 55 minutes is the average flight time from Chicago to Houston.

Which airlines fly direct from Chicago to Houston?

United, American Airlines and Southwest Airlines fly direct from Chicago to Houston.

How many flights are there a week from Chicago to Houston?

As of March 2026, there are 531 flights per week flying from Chicago to Houston.

When is the cheapest time to fly from Chicago to Houston?

The cheapest month to fly from Chicago to Houston is usually April.

Which is the cheapest airport to fly into in Houston?

If you're flying from Chicago, 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 $166.

Which upcoming date is cheapest to fly from Chicago to Houston on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Houston on Thursday, 9 April 2026.

Can I get a direct flight from Chicago to Houston?

Yes – the average flight time is 2 hours and 55 minutes.

How can I get the best flight deal from Chicago to Houston?

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.

When is the best time to book flights to Houston?

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.

What’s the weather like in Houston?

In March, the average temperature is usually around 16°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.

Which is the cheapest airline to fly from Chicago to Houston with?

The cheapest airline that flies to Houston is Frontier Airlines .

Travelling from Chicago to Houston: what you need to know

Start planning your holiday by checking out the departure points for your flight from Chicago to Houston. Explore the options for leaving from O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW), two of the city's main airports.
When it comes to landing in Houston, George Bush Intercontinental Airport (IAH) is a key hub. Another is William P. Hobby Airport (HOU).
Around 2 hours 50 minutes is how long you can expect to be travelling on a direct Chicago to Houston flight.
Houston's timezone is UTC-5, which is the same as Chicago.
The most popular route for flights from Chicago to Houston is from O'Hare International Airport (ORD) to George Bush Intercontinental Airport (IAH). Take your pick of 103 services every week between these two airports. If you'd like to take off at the first opportunity, the earliest flight from ORD to IAH is the 05:00 United Airlines option. If you prefer to leave later in the day, the final scheduled service is at 22:00 with United Airlines.
To ensure you don't miss your Chicago to Houston flight, leave enough time to check in and drop off your luggage. Arriving two hours before international departures and one hour before domestic flights is a good rule of thumb.
You can expect longer queues in popular months such as August. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.

How to find the cheapest flights from Chicago to Houston

The lowest price we've seen for a one-way ticket from Chicago to Houston is $68. For a return flight on this route, the best price is $166. Depending on when and how early you book, these fares can change.
Get cheap Chicago to Houston flights by booking two months ahead. Based on our research, that's the ideal time frame for finding a bargain.
Schedule your trip for May. That's the best month for scoring the biggest deals on plane tickets from Chicago to Houston. If you're flexible on when you fly, use the 'Whole month' tool to find the lowest price across each month.
There's no need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll update you when a better deal is available on cheap flights from Chicago to Houston.
Tailor your flights using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' Chicago to Houston flights.

Flying from Chicago

O'Hare International Airport (ORD)

You can get a direct flight from Chicago to Houston departing from O'Hare International Airport (ORD). Start your trip at ORD and land at George Bush Intercontinental Airport (IAH).
Leading airlines that offer direct Chicago to Houston plane tickets departing from ORD include:
ORD is around 26 kilometres from central Chicago. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 35 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 55 minutes.
Need a handy hotel near O'Hare International Airport? If you've booked an early flight from Chicago to Houston, these stays will put you moments from your departure lounge:
When it comes to O'Hare International Airport's on-time performance, data shows 74.85% of flights meet their scheduled arrival time.
ORD is located at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

Want to depart from Chicago Midway International Airport (MDW)? You can take a direct flight from Chicago to Houston out of this hub. Arrive at George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU) and skip the layovers.
Book your direct Chicago to Houston plane ticket with Southwest Airlines. This is one of the leading carriers that operates this route out of MDW.
You can get to MDW from central Chicago in about 20 minutes by car, depending on traffic conditions. The ride by public transport takes roughly 45 minutes to cover the 14 kilometres or so.
Start your holiday early with an additional night away from home. Before catching your flight from Chicago to Houston, unwind in one of these hotels close to Chicago Midway International Airport:
When it comes to flight punctuality, Chicago Midway International Airport has an on-time arrival performance of 78%.
You'll find MDW at 5700 South Cicero.

Arriving in Houston

George Bush Intercontinental Airport (IAH)

The distance from George Bush Intercontinental Airport (IAH) to central Houston is roughly 21 kilometres. It takes about 20 minutes to reach the centre driving.
It usually takes 50 minutes to get there when travelling by public transport.
If you're arriving on a late flight from Chicago to Houston, nothing beats the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and snoozing not long after at one of these hotels near IAH:
Grab a George Bush Intercontinental Airport rental car and explore Houston and beyond with your own set of wheels. Dollar, Thrifty and Sixt are well-known companies to choose from here.
To get the lowest price, book your ride from George Bush Intercontinental Airport about three weeks ahead of your Chicago to Houston flight.
IAH is located at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

William P. Hobby Airport (HOU) is around 16 kilometres from central Houston. After your flight from Chicago to Houston, it'll take you approximately 20 minutes to get to the heart of the city in a cab or ride-share.
You can expect the journey to take about 1 hour 40 minutes on public transport.
There are some comfortable places ready to welcome you near HOU. Unwind after your Chicago to Houston flight at one of these well-located options:
Easirent, Dollar and Thrifty make collecting a William P. Hobby Airport rental car easy and quick. These reliable suppliers are located around or in the terminal and will get you on your way in no time.
Get what you want, not just what's left over. Booking your ride from HOU four weeks ahead of time often means lower prices and a greater selection of vehicles.
William P. Hobby Airport can be found at 7800 Airport Boulevard.

Best time to go to Houston

It's time to choose your dates for your flight from Chicago to Houston. July is the most popular month to visit Houston. If you want a more relaxed vibe, go in February.
Before locking in your Chicago to Houston tickets, think about the kind of weather forecast you're hoping for. August is the warmest month in Houston, with temperatures ranging from 24ºC to 40ºC.
Search for cheap flights from Chicago to Houston in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 5ºC and 19ºC on average.

More about Houston

Once you've booked your flight from Chicago to Houston, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Houston:
The Houston Museum of Natural Science and The Museum of Fine Arts, Houston, Beck Building are just two of the top-rated attractions to add to your Houston to-do list. Keep the momentum going by heading to Hermann Park.

Explore more of United States

Houston has plenty to offer, but there are so many other corners of United States just waiting to be explored. Around 306 kilometres west of Houston, a trip to San Antonio will keep you on the move. Start with popular sights like The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.
If you're ready to explore another well-known destination in United States, head for Dallas, about 370 kilometres north of Houston. Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art are highlights.