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 35m on average. On the other hand, flying from Peoria to Houston Hobby Airport takes 4h 54m 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 is the cheapest airline that flies from Illinois to Houston George Bush Intcntl?

Delta, Frontier, 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?

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Illinois according to our data. United Airlines is the first choice among our users, with 31% 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.

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

As of May 2026, 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.

$63 Cheap Flights from Illinois to Houston George Bush Intcntl Airport in 2026

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

As of May 2026, 524 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 Wed, with 16% of weekly flights taking off on this day.

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

As of May 2026, 74 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 8:00PM, with 33% of daily flights taking off in the afternoon.

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Find the cheapest flights from Illinois to Houston

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 pm - 7:17 pm

ORD

IAH

3h 12mnonstop

8:12 pm - 11:01 pm

IAH

ORD

2h 49mnonstop

$116Frontier

Thu, May 28 - Tue, Jun 2

4:05 pm - 7:17 pm

ORD

IAH

3h 12mnonstop

9:58 pm - 12:48 am

IAH

ORD

2h 50mnonstop

$117Frontier

Mon, Jun 8 - Tue, Jun 9

4:05 pm - 7:17 pm

ORD

IAH

3h 12mnonstop

7:15 am - 9:54 am

IAH

ORD

2h 39mnonstop

$120Multiple Airlines

Thu, May 21 - Sun, May 24

8:59 pm - 11:52 pm

ORD

IAH

2h 53mnonstop

9:58 pm - 12:48 am

IAH

ORD

2h 50mnonstop

$126Multiple Airlines

Mon, Jun 1 - Thu, Jun 11

5:56 am - 11:18 am

MLI

IAH

5h 22m

1 stop

2:43 pm - 10:34 pm

IAH

MLI

7h 51m

1 stop

$243Delta

Sat, Jun 20 - Tue, Jun 30

5:56 am - 11:23 am

MLI

IAH

5h 27m

1 stop

5:20 am - 4:37 pm

IAH

MLI

11h 17m

2 stops

$248Delta

Tue, Jun 9 - Tue, Jun 16

5:43 pm - 10:59 pm

PIA

IAH

5h 16m

1 stop

7:20 am - 12:44 pm

IAH

PIA

5h 24m

1 stop

$277United Airlines

Tue, Aug 4 - Tue, Aug 11

11:43 am - 7:59 pm

MLI

IAH

8h 16m

2 stops

6:13 am - 11:23 am

IAH

MLI

5h 10m

1 stop

$281American Airlines

Fri, Jul 3 - Sun, Jul 12

12:24 pm - 7:47 pm

PIA

IAH

7h 23m

1 stop

5:01 am - 11:54 am

IAH

PIA

6h 53m

1 stop

$284American Airlines

Tue, Jun 9 - Tue, Jun 16

2:31 pm - 9:36 pm

MLI

IAH

7h 05m

1 stop

5:04 am - 10:04 am

IAH

MLI

5h 00m

1 stop

$287United Airlines

Tue, Jul 28 - Wed, Aug 5

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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

May 28

ORD4:05 pmChicago O'Hare Intl

3h 12m

IAH7:17 pmHouston George Bush Intcntl

Jun 2

IAH8:12 pmHouston George Bush Intcntl

2h 49m

ORD11:01 pmChicago O'Hare Intl

$116

Frontier

Jun 8

ORD4:05 pmChicago O'Hare Intl

3h 12m

IAH7:17 pmHouston George Bush Intcntl

Jun 9

IAH9:58 pmHouston George Bush Intcntl

2h 50m

ORD12:48 amChicago O'Hare Intl

$117

Frontier

May 28

ORD4:05 pmChicago O'Hare Intl

3h 12m

IAH7:17 pmHouston George Bush Intcntl

Jun 2

IAH8:12 pmHouston George Bush Intcntl

2h 49m

ORD11:01 pmChicago O'Hare Intl

$118

American Airlines flights from Illinois to Houston George Bush Intcntl Airport

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

American Airlines

Jul 3

MLI11:43 amMoline Quad-City

8h 16m

2 stops

IAH7:59 pmHouston George Bush Intcntl

Jul 12

IAH6:13 amHouston George Bush Intcntl

5h 10m

1 stop

MLI11:23 amMoline Quad-City

$281

American Airlines

Jun 9

PIA12:24 pmGreater Peoria

7h 23m

1 stop

IAH7:47 pmHouston George Bush Intcntl

Jun 16

IAH5:01 amHouston George Bush Intcntl

6h 53m

1 stop

PIA11:54 amGreater Peoria

$284

American Airlines

Jul 4

PIA6:00 amGreater Peoria

8h 12m

2 stops

IAH2:12 pmHouston George Bush Intcntl

Jul 12

IAH6:48 pmHouston George Bush Intcntl

5h 34m

1 stop

PIA12:22 amGreater Peoria

$298

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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 5/28

4:05 pm-7:17 pm

Nonstop3h 12m

Houston George Bush Intcntl

Tue 6/2

8:12 pm-11:01 pm

Nonstop2h 49m

$116

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 6/8

4:05 pm-7:17 pm

Nonstop3h 12m

Houston George Bush Intcntl

Tue 6/9

9:58 pm-12:48 am

Nonstop2h 50m

$117

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 5/21

4:05 pm-7:17 pm

Nonstop3h 12m

Houston George Bush Intcntl

Sun 5/24

7:15 am-9:54 am

Nonstop2h 39m

$120

Quickest round-trip

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 6/1

8:59 pm-11:52 pm

Nonstop2h 53m

Houston George Bush Intcntl

Thu 6/11

9:58 pm-12:48 am

Nonstop2h 50m

$126

MolineHouston

MLI - IAH

MLIIAH

Moline Quad-City

Sat 6/20

5:56 am-11:18 am

1 stop5h 22m

Houston George Bush Intcntl

Tue 6/30

2:43 pm-10:34 pm

1 stop7h 51m

$243

MolineHouston

MLI - IAH

MLIIAH

Moline Quad-City

Tue 6/9

5:56 am-11:23 am

1 stop5h 27m

Houston George Bush Intcntl

Tue 6/16

5:20 am-4:37 pm

2 stops11h 17m

$248

PeoriaHouston

PIA - IAH

PIAIAH

Greater Peoria

Tue 8/4

5:43 pm-10:59 pm

1 stop5h 16m

Houston George Bush Intcntl

Tue 8/11

7:20 am-12:44 pm

1 stop5h 24m

$277

MolineHouston

MLI - IAH

MLIIAH

Moline Quad-City

Fri 7/3

11:43 am-7:59 pm

2 stops8h 16m

Houston George Bush Intcntl

Sun 7/12

6:13 am-11:23 am

1 stop5h 10m

$281

PeoriaHouston

PIA - IAH

PIAIAH

Greater Peoria

Tue 6/9

12:24 pm-7:47 pm

1 stop7h 23m

Houston George Bush Intcntl

Tue 6/16

5:01 am-11:54 am

1 stop6h 53m

$284

MolineHouston

MLI - IAH

MLIIAH

Moline Quad-City

Tue 7/28

2:31 pm-9:36 pm

1 stop7h 05m

Houston George Bush Intcntl

Wed 8/5

5:04 am-10:04 am

1 stop5h 00m

$287

Flights are sorted by cheapest round-trip flights first.

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

Airlines

Other information

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

The month of August is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Illinois, with most prices found around $28. If you are unable to visit Houston George Bush Intcntl Airport during the month of August, then departing from Illinois during the month November is also very affordable. Most momondo users find prices during this month for around $29.

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 $272. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $419.

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 $272. Try not to purchase tickets in the morning because they tend to be around $359. 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 O'Hare Intl to Houston George Bush Intcntl for the best Illinois - Houston George Bush Intcntl flight prices

How far in advance should I book a flight from Illinois 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 $233 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 $158 on momondo.

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	$78
Fastest flight time	2h 12m
Direct flights	Every day

The best one-way flight to Houston George Bush Intcntl Airport from Illinois in the past 72 hours is $78. The best round-trip flight deal from Illinois to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $201.

The fastest flight from Illinois to Houston George Bush Intcntl Airport takes 2h 12m

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

Search flight deals

Frequently asked questions about flying from Illinois to Houston George Bush Intcntl Airport

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 May 2026, 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 28.49% of the total bookings. Other popular models include Boeing 737 MAX 9 with 11.84%, Boeing 737-800 with 10.97%, and Embraer 175 with 8.98%.

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 $57	Free Cancellation	Rating 5.6 2,964 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $70	Free Cancellation	Rating 6.3 8,639 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $163	Free Cancellation	Rating 7.1 11,666 reviews	Search American Airlines flights
United Airlines	PriceFrom $171	Free Cancellation	Rating 7.4 9,684 reviews	Search United Airlines flights
Delta	PriceFrom $199	Free Cancellation	Rating 7.9 8,456 reviews	Search Delta flights

Katy

The Woodlands

Conroe

Humble

Spring

Cypress

Montgomery

Jersey Village

Tomball

Livingston

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 $63

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 5/27. 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

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

American Airlines flights from Illinois to Houston George Bush Intcntl Airport

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

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.

See travel insights to Houston from

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?

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

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

What is the cheapest airline that flies 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?

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

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

Frequently asked questions about flying 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?

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.

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List of cabin classes available on flights landing in Houston. Availability may vary depending on flight origin and airline.

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