How long does it take to fly to Houston George Bush Intcntl Airport?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Houston George Bush Intcntl Airport you fly into. For example, flying from Chicago to Houston Hobby Airport takes 2h 39m on average. On the other hand, flying from Peoria to Houston Hobby Airport takes 4h 38m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Houston George Bush Intcntl Airport?

American Airlines, Spirit Airlines and Frontier are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Illinois according to our data. American Airlines is the first choice among our users, with 26% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 5 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to Houston George Bush Intcntl?

Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Illinois to Houston George Bush Intcntl

How many operators does momondo search for flights from Illinois to Houston George Bush Intcntl Airport?

As of December 2025, there are 5 operators available to choose from for flights from Illinois to Houston George Bush Intcntl Airport.

How old do you have to be to fly from Illinois to Houston George Bush Intcntl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Houston George Bush Intcntl Airport.

What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$43 Cheap Flights from Illinois to Houston George Bush Intcntl Airport in 2025/26

Q: How many flights depart from Illinois to Houston George Bush Intcntl Airport on average per day?

As of December 2025, 22 flights take off from Illinois and land in Houston George Bush Intcntl Airport each day. The most common flight departure time for this route is 7:00AM, with 41% of daily flights taking off at noon.

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8:35 am - 11:41 am

ORD

IAH

3h 06mnonstop

6:05 am - 11:35 am

IAH

ORD

5h 30m1 stop

$85Frontier

Thu, Jan 8 - Mon, Jan 12

9:09 pm - 11:59 pm

ORD

IAH

2h 50mnonstop

6:05 am - 11:35 am

IAH

ORD

5h 30m1 stop

$86Multiple Airlines

Wed, Jan 7 - Mon, Jan 12

9:09 pm - 11:59 pm

ORD

IAH

2h 50mnonstop

6:05 am - 11:35 am

IAH

ORD

5h 30m1 stop

$87Multiple Airlines

Tue, Jan 6 - Mon, Jan 12

3:00 pm - 6:06 pm

MDW

IAH

3h 06mnonstop

6:51 pm - 9:29 pm

IAH

MDW

2h 38mnonstop

$88Frontier

Fri, Feb 20 - Sun, Feb 22

9:18 am - 12:24 pm

ORD

IAH

3h 06mnonstop

3:27 pm - 6:08 pm

IAH

ORD

2h 41mnonstop

$89Spirit Airlines

Wed, Feb 25 - Tue, Mar 3

9:09 pm - 11:59 pm

ORD

IAH

2h 50mnonstop

11:38 am - 2:17 pm

IAH

ORD

2h 39mnonstop

$94Spirit Airlines

Mon, Jan 5 - Mon, Jan 12

5:06 pm - 11:56 pm

MLI

IAH

6h 50m1 stop

9:54 am - 4:26 pm

IAH

MLI

6h 32m1 stop

$197Delta

Sat, Jan 17 - Tue, Jan 20

5:06 pm - 11:56 pm

MLI

IAH

6h 50m1 stop

5:15 pm - 10:33 pm

IAH

MLI

5h 18m1 stop

$200Delta

Sat, Jan 17 - Sat, Jan 24

6:30 am - 12:05 pm

PIA

IAH

5h 35m1 stop

5:00 am - 10:10 am

IAH

PIA

5h 10m1 stop

$250United Airlines

Tue, Jan 13 - Tue, Jan 20

10:45 am - 3:45 pm

PIA

IAH

5h 00m1 stop

7:20 am - 12:38 pm

IAH

PIA

5h 18m1 stop

$251United Airlines

Tue, Jan 27 - Wed, Jan 28

Frontier flights from Illinois to Houston George Bush Intcntl Airport

Our best Frontier deals on Illinois to Houston George Bush Intcntl Airport flight tickets

Frontier

Jan 8

ORD8:35 amChicago O'Hare Intl

3h 06m

IAH11:41 amHouston George Bush Intcntl

Jan 12

IAH6:05 amHouston George Bush Intcntl

5h 30m

1 stop

ORD11:35 amChicago O'Hare Intl

$85

Find similar

Frontier

Feb 20

MDW3:00 pmChicago Midway

3h 06m

IAH6:06 pmHouston George Bush Intcntl

Feb 22

IAH6:51 pmHouston George Bush Intcntl

2h 38m

MDW9:29 pmChicago Midway

$87

Find similar

Frontier

Feb 20

MDW3:00 pmChicago Midway

3h 06m

IAH6:06 pmHouston George Bush Intcntl

Feb 22

IAH6:51 pmHouston George Bush Intcntl

2h 38m

MDW9:29 pmChicago Midway

$88

Find similar

United Airlines flights from Illinois to Houston George Bush Intcntl Airport

Our best United Airlines deals on Illinois to Houston George Bush Intcntl Airport flight tickets

United Airlines

Dec 25

ORD6:20 pmChicago O'Hare Intl

3h 08m

IAH9:28 pmHouston George Bush Intcntl

Dec 31

IAH7:55 pmHouston George Bush Intcntl

2h 42m

ORD10:37 pmChicago O'Hare Intl

$198

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United Airlines

Jan 27

PIA10:45 amGreater Peoria

5h 00m

1 stop

IAH3:45 pmHouston George Bush Intcntl

Jan 28

IAH7:20 amHouston George Bush Intcntl

5h 18m

1 stop

PIA12:38 pmGreater Peoria

$251

Find similar

United Airlines

Apr 8

MLI10:46 amMoline Quad-City

6h 30m

1 stop

IAH5:16 pmHouston George Bush Intcntl

Apr 11

IAH5:07 pmHouston George Bush Intcntl

5h 15m

1 stop

MLI10:22 pmMoline Quad-City

$260

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momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Houston George Bush Intcntl Airport that are best for you.

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Route

Depart

Return

Price

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 1/8

8:35 am-11:41 am

Nonstop3h 06m

Houston George Bush Intcntl

Mon 1/12

6:05 am-11:35 am

1 stop5h 30m

$85

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 1/7

9:09 pm-11:59 pm

Nonstop2h 50m

Houston George Bush Intcntl

Mon 1/12

6:05 am-11:35 am

1 stop5h 30m

$86

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 1/6

9:09 pm-11:59 pm

Nonstop2h 50m

Houston George Bush Intcntl

Mon 1/12

6:05 am-11:35 am

1 stop5h 30m

$87

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Fri 2/20

3:00 pm-6:06 pm

Nonstop3h 06m

Houston George Bush Intcntl

Sun 2/22

6:51 pm-9:29 pm

Nonstop2h 38m

$88

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 2/25

9:18 am-12:24 pm

Nonstop3h 06m

Houston George Bush Intcntl

Tue 3/3

3:27 pm-6:08 pm

Nonstop2h 41m

$89

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 1/5

9:09 pm-11:59 pm

Nonstop2h 50m

Houston George Bush Intcntl

Mon 1/12

11:38 am-2:17 pm

Nonstop2h 39m

$94

MolineHouston

MLI - IAH

MLIIAH

Moline Quad-City

Sat 1/17

5:06 pm-11:56 pm

1 stop6h 50m

Houston George Bush Intcntl

Tue 1/20

9:54 am-4:26 pm

1 stop6h 32m

$197

MolineHouston

MLI - IAH

MLIIAH

Moline Quad-City

Sat 1/17

5:06 pm-11:56 pm

1 stop6h 50m

Houston George Bush Intcntl

Sat 1/24

5:15 pm-10:33 pm

1 stop5h 18m

$200

PeoriaHouston

PIA - IAH

PIAIAH

Greater Peoria

Tue 1/13

6:30 am-12:05 pm

1 stop5h 35m

Houston George Bush Intcntl

Tue 1/20

5:00 am-10:10 am

1 stop5h 10m

$250

PeoriaHouston

PIA - IAH

PIAIAH

Greater Peoria

Tue 1/27

10:45 am-3:45 pm

1 stop5h 00m

Houston George Bush Intcntl

Wed 1/28

7:20 am-12:38 pm

1 stop5h 18m

$251

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

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Other information

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of October is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Illinois, with most prices found around $153. If you are unable to visit Houston George Bush Intcntl Airport during the month of October, then departing from Illinois during the month August is also very affordable. Most momondo users find prices during this month for around $177.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Illinois to Houston George Bush Intcntl Airport is on a Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $265. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $426.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Illinois to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $269. Try not to purchase tickets in the morning because they tend to be around $365. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Illinois to Houston George Bush Intcntl flight route?

Fly from Chicago Midway to Houston George Bush Intcntl for the best Illinois - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $223 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Illinois for as low as $168 on momondo.

What cabin class options are available on Illinois to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Illinois to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Houston George Bush Intcntl Airport flights?

No. A direct flight is the cheapest option for a flight between Illinois to Houston George Bush Intcntl Airport.

Cheap Illinois to Houston George Bush Intcntl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Houston George Bush Intcntl Airport

Best Price Found	$102
Fastest flight time	2h 18m
Direct flights	Every day

The best one-way flight to Houston George Bush Intcntl Airport from Illinois in the past 72 hours is $102. The best round-trip flight deal from Illinois to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $167.

The fastest flight from Illinois to Houston George Bush Intcntl Airport takes 2h 18m

Direct flights go from Illinois to Houston George Bush Intcntl Airport every day.

Search flight deals

When did momondo last update prices for flights from Illinois to Houston George Bush Intcntl Airport?
Prices for flights from Illinois to Houston George Bush Intcntl Airport were last updated today.
How many operators does momondo search for flights from Illinois to Houston George Bush Intcntl Airport?
As of December 2025, there are 5 operators available to choose from for flights from Illinois to Houston George Bush Intcntl Airport.
How old do you have to be to fly from Illinois to Houston George Bush Intcntl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Houston George Bush Intcntl Airport.
What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?
The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Illinois to Houston George Bush Intcntl Airport?
Based on momondo bookings for flights between Illinois and Houston George Bush Intcntl Airport, the leading plane model is Airbus A321neo, making up 22.56% of the total bookings. Other popular models include Boeing 737-900 with 13.10%, Boeing 737 MAX 9 with 11.81%, and Airbus A320neo with 9.92%.

Best airlines flying from Illinois to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Illinois to Houston George Bush Intcntl Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $67	Free Cancellation	Rating 5.8 3,082 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $75	Free Cancellation	Rating 6.3 8,188 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $158	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
United Airlines	PriceFrom $161	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Delta	PriceFrom $216	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights

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Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Houston?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Houston. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Houston with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Houston from Illinois with this policy.

How can momondo help me find flights from Illinois to Houston?

Once you have performed a search for Illinois to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Illinois to Houston from $44

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Houston departing on 2/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Illinois to Houston George Bush Intcntl Airport

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How to get the cheapest flight ticket from Illinois to Houston George Bush Intcntl Airport

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

What is the cheapest Illinois to Houston George Bush Intcntl flight route?

Fly from Chicago Midway to Houston George Bush Intcntl for the best Illinois - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

What cabin class options are available on Illinois to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Illinois to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Houston George Bush Intcntl Airport flights?

No. A direct flight is the cheapest option for a flight between Illinois to Houston George Bush Intcntl Airport.

What is the cheapest airline that flies from Illinois to Houston George Bush Intcntl?

Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Illinois to Houston George Bush Intcntl

What airlines fly to Houston George Bush Intcntl Airport?

How many flights depart from Illinois to Houston George Bush Intcntl Airport on average per day?

As of December 2025, 22 flights take off from Illinois and land in Houston George Bush Intcntl Airport each day. The most common flight departure time for this route is 7:00AM, with 41% of daily flights taking off at noon.

How many flights depart from Illinois to Houston George Bush Intcntl Airport on average per week?

As of December 2025, 156 flights take off from Illinois and land in Houston George Bush Intcntl Airport each week. The most common flight departure day for this route is Tue, with 40% of weekly flights taking off on this day.

How long does it take to fly to Houston George Bush Intcntl Airport?

Cheap Illinois to Houston George Bush Intcntl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Houston George Bush Intcntl Airport

Best Price Found

Fastest flight time

Direct flights

When did momondo last update prices for flights from Illinois to Houston George Bush Intcntl Airport?

How many operators does momondo search for flights from Illinois to Houston George Bush Intcntl Airport?

How old do you have to be to fly from Illinois to Houston George Bush Intcntl Airport?

What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

What is the most popular plane model from Illinois to Houston George Bush Intcntl Airport?

Best airlines flying from Illinois to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Illinois to Houston George Bush Intcntl Airport with momondo

Traveling to a place near Houston?

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Houston?

Can I find flights from Illinois to Houston with flexible booking policies on momondo?

How can momondo help me find flights from Illinois to Houston?

I’m not ready to book a flight from Illinois to Houston right now. Can momondo alert me if prices change?

An easier way to manage your Houston George Bush Intcntl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Houston

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo