Cheap Flights from Houston to Chicago O'Hare International

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Compare Houston to Chicago O'Hare International flight deals

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

Book the best Chicago O'Hare International fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Houston to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Houston to Chicago O'Hare International Airport? If you want to travel next month, return fares start from $229. Find the lowest prices on one-way and return tickets right here.

Chicago.$222 per passenger.Departing Tue, 10 Nov, returning Tue, 10 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 10 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 10 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $222, select.

Chicago.$229 per passenger.Departing Wed, 21 Oct, returning Tue, 27 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 21 Oct, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 27 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $229, select.

Chicago.$237 per passenger.Departing Tue, 3 Nov, returning Thu, 5 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Tue, 3 Nov, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 5 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $237, select.

Chicago.$237 per passenger.Departing Wed, 28 Oct, returning Sat, 31 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed, 28 Oct, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sat, 31 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $237, select.

Chicago.$237 per passenger.Departing Wed, 28 Oct, returning Mon, 9 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Wed, 28 Oct, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 9 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $237, select.

Chicago.$238 per passenger.Departing Thu, 28 Jan, returning Sat, 30 Jan.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Thu, 28 Jan, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sat, 30 Jan, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $238, select.

Chicago.$285 per passenger.Departing Wed, 13 Jan, returning Thu, 25 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 13 Jan, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 25 Feb, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $285, select.

Chicago.$318 per passenger.Departing Sat, 12 Dec, returning Mon, 14 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 12 Dec, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Mon, 14 Dec, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $318, select.

Chicago.$330 per passenger.Departing Sat, 21 Nov, returning Mon, 7 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Sat, 21 Nov, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 7 Dec, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $330, select.

Chicago.$339 per passenger.Departing Thu, 31 Dec, returning Tue, 5 Jan.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Thu, 31 Dec, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 5 Jan, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $339, select.

Chicago.$347 per passenger.Departing Fri, 4 Dec, returning Mon, 7 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Fri, 4 Dec, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 7 Dec, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $347, select.

Chicago.$365 per passenger.Departing Wed, 6 Jan, returning Wed, 3 Feb.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 6 Jan, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Wed, 3 Feb, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $365, select.

Chicago.$383 per passenger.Departing Tue, 24 Nov, returning Sun, 10 Jan.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 24 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Sun, 10 Jan, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $383, select.

Chicago.$391 per passenger.Departing Wed, 24 Feb, returning Mon, 1 Mar.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 24 Feb, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Mon, 1 Mar, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $391, select.

Chicago.$391 per passenger.Departing Sat, 6 Feb, returning Mon, 15 Feb.Return flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 6 Feb, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Mon, 15 Feb, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $391, select.

Chicago.$464 per passenger.Departing Thu, 25 Mar, returning Tue, 30 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Houston George Bush Intercntl. on Thu, 25 Mar, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 30 Mar, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $464, select.

Find the cheapest month to fly from Houston 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 to Chicago O'Hare International flights are currently cheapest in November.

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Direct flights from Houston to Chicago O'Hare International

Houston to Chicago O'Hare International: Alternative routes

Compare routes from Houston 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	$222
Cheapest month to fly	November
Average flight time	2 hrs, 52 mins
Most popular airline	American Airlines
Average flights per week	566

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

How much are return flights from Houston to Chicago O'Hare International?

The best price we found for a return flight from Houston to Chicago O'Hare International is $222. 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 Houston to Chicago O'Hare International?

2 hours and 52 minutes is the average flight time from Houston to Chicago O'Hare International.

Which airlines fly direct from Houston to Chicago O'Hare International?

American Airlines, United and Emirates fly direct from Houston to Chicago O'Hare International.

How many flights are there a week from Houston to Chicago O'Hare International?

As of September 2026, there are 566 flights per week flying from Houston to Chicago O'Hare International.

When is the cheapest time to fly from Houston to Chicago O'Hare International?

The cheapest month to fly from Houston to Chicago O'Hare International is usually November.

Which upcoming date is cheapest to fly from Houston to Chicago O'Hare International Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Chicago O'Hare International Airport on Tuesday, 10 November 2026.

Can I get a direct flight from Houston to Chicago O'Hare International Airport?

Yes – the average flight time is 2 hours and 52 minutes.

How can I find the best flight deal to Chicago O'Hare International?

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.

When is the best time to book flights to Chicago?

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.

Which is the cheapest airline to fly from Houston to Chicago O'Hare International with?

The cheapest airline that flies to Chicago O'Hare International is Frontier Airlines .

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

Your adventure will begin at Houston George Bush Intercontinental Airport (IAH), the main airport in Houston. Search for flights from Houston to Chicago O'Hare International Airport (ORD) that jet out of this terminal.
2 hours 45 minutes is the average duration of a direct Houston to Chicago O'Hare International Airport flight.
Houston and Chicago (where Chicago O'Hare International Airport is located) share the UTC-6 timezone. That means you won't need to change your watch when you land.
With 112 direct weekly flights between the two airports, Houston George Bush Intercontinental Airport (IAH) to Chicago O'Hare International Airport (ORD) is the busiest route. Spirit Airlines operates the earliest flight at 5am. If you prefer to make the most of your day before jetting off, the last flight from IAH to ORD is with Spirit Airlines at 10:58pm.
To ensure you get on your flight from Houston to ORD, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.
Getting on a plane during a peak time like July? Popular periods (like Thanksgiving, Christmas and spring break) can easily add another hour at check-in and security. Be extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

You can book a direct flight from Houston to Chicago O'Hare International Airport (ORD) departing from Houston George Bush Intercontinental Airport (IAH).
Leading carriers that have direct flights from Houston to Chicago O'Hare International Airport departing IAH include:
The airline most travellers choose when flying between IAH and ORD is United.
The carrier with the best on-time arrival rate on this route is United.
The journey from central Houston to IAH takes around 1 hour 10 minutes on public transport. If you drive, ride-share or grab a taxi, you'll cover the 40 kilometres in 30 minutes or so, depending on traffic conditions.
Booked an early flight from Houston to Chicago O'Hare International Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays near Houston George Bush Intercontinental Airport:
79% of flights taking off from Houston George Bush Intercontinental Airport reach their destination on schedule.
IAH is located at 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

You can arrive at HOU from central Houston in about 20 minutes by car, depending on traffic conditions. The ride by public transport takes roughly 50 minutes to travel the 19 kilometres or so.
Got a crack-of-dawn departure? You might like to check in to one of these hotels near Houston Hobby Airport the day before your Houston to ORD flight:
Houston Hobby Airport has an on-time performance rate of 79%. This figure sheds light on how frequently flights that depart from this airport arrive at their destination on schedule.
The street address for HOU is 7800 Airport Boulevard.

About Chicago O'Hare International Airport (ORD)

The last thing you need is a long journey to your hotel if you're getting in late on a flight from Houston to Chicago O'Hare International Airport. Get comfy at one of these accommodation options near ORD instead:
Booking your vehicle around four weeks in advance of your Houston to Chicago O'Hare International Airport flight can help you score a better rate.
The street address for ORD is 10000 West O'Hare.

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

From Chicago O'Hare International Airport, central Chicago is around 27 kilometres away. It takes about 30 minutes to get to the city centre by car.
It typically takes 45 minutes when travelling by public transport.

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

$104 is the best price for a one-way ticket from Houston to Chicago O'Hare International Airport. Return flights start at $222. These fares can change based on demand and availability.
Booking ahead of time is often the key to scoring a cheap flight from Houston to ORD. Fares tend to rise as demand increases, so the closer your departure date, the more expensive your ticket may be.
If you're flexible with your travel plans, try using the 'Whole month' search tool. It'll give you the cheapest price across the month when searching for your Houston to Chicago O'Hare International Airport ticket.
You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment a better deal is available on plane tickets from Houston to ORD.
Uncover a great deal on a flight from Houston to Chicago O'Hare International Airport with the help of the filters. Choose your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

The best time to fly from Houston to Chicago O'Hare International Airport (ORD)

It's time to work out your travel dates for your flight from Houston to Chicago O'Hare International Airport (ORD). July is the peak month for travel to Chicago. If you like things a bit more low-key, head there in January.
The warmest month in Chicago is July, with temperatures ranging between 16ºC and 28ºC. Book your Houston to ORD plane ticket then if that's your idea of comfortable weather.
Search for cheap tickets from Houston to Chicago O'Hare International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -12ºC and 3ºC.

More about Chicago

When it comes to looking for somewhere to lay your head, you'll find the best stays in Chicago right here. Explore these hotels after locking in your flight from Houston to Chicago O'Hare International Airport:
Millennium Park and Art Institute of Chicago are a couple of top attractions to add to your Chicago to-do list. Keep the momentum going by heading to Willis Tower.

Explore more of the United States

Chicago is easy to fall in love with, but there are so many other corners of the United States just waiting to be explored. About 290 kilometres southeast of Chicago, a visit to Indianapolis will keep you on the move. Start with leading attractions like Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.
If you're eager to discover another well-known destination in the United States, head for Milwaukee, about 121 kilometres north of Chicago. Richards Duplex Apartments by Frank Lloyd Wright, Miller Park and Milwaukee County Zoo are among its highlights.