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Cheap flights from Houston George Bush Intcntl Airport to Chicago from $92

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Chicago departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston George Bush Intcntl Airport to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:42 pm - 12:33 am
IAH
-
ORD
2h 51mnonstop
Frontier Logo
2:41 pm - 12:40 am
ORD
-
IAH
9h 59m
1 stop
$170Frontier
Mon, Aug 17 - Mon, Aug 24
Frontier Logo
8:02 pm - 8:02 am
IAH
-
ORD
12h 00m
1 stop
Frontier Logo
8:45 am - 11:56 am
ORD
-
IAH
3h 11mnonstop
$171Frontier
Wed, Aug 12 - Wed, Aug 19
Frontier Logo
10:14 pm - 1:36 pm
IAH
-
ORD
15h 22m
1 stop
Frontier Logo
5:46 pm - 9:03 pm
ORD
-
IAH
3h 17mnonstop
$172Frontier
Thu, Aug 27 - Mon, Aug 31
Frontier Logo
9:42 pm - 12:33 am
IAH
-
ORD
2h 51mnonstop
Frontier Logo
5:46 pm - 9:03 pm
ORD
-
IAH
3h 17mnonstop
$173Frontier
Thu, Aug 13 - Fri, Aug 21
American Airlines Logo
6:37 pm - 9:46 pm
IAH
-
ORD
3h 09mnonstop
American Airlines Logo
8:00 am - 10:44 am
ORD
-
IAH
2h 44mnonstop
$174American Airlines
Thu, Aug 27 - Mon, Aug 31
Frontier Logo
9:58 pm - 12:49 am
IAH
-
ORD
2h 51mnonstop
Frontier Logo
8:45 am - 11:56 am
ORD
-
IAH
3h 11mnonstop
$175Frontier
Sun, Sep 6 - Tue, Sep 8
Frontier Logo
9:58 pm - 12:49 am
IAH
-
ORD
2h 51mnonstop
Frontier Logo
1:59 pm - 10:14 pm
ORD
-
IAH
8h 15m
1 stop
$176Frontier
Thu, Aug 20 - Sat, Aug 29
Frontier Logo
9:42 pm - 12:33 am
IAH
-
ORD
2h 51mnonstop
Frontier Logo
2:41 pm - 12:40 am
ORD
-
IAH
9h 59m
1 stop
$177Frontier
Mon, Aug 10 - Tue, Aug 25
Frontier Logo
9:42 pm - 12:33 am
IAH
-
ORD
2h 51mnonstop
Frontier Logo
2:41 pm - 12:40 am
ORD
-
IAH
9h 59m
1 stop
$178Frontier
Mon, Aug 10 - Sat, Aug 22
Frontier Logo
9:42 pm - 12:33 am
IAH
-
ORD
2h 51mnonstop
Frontier Logo
5:46 pm - 9:03 pm
ORD
-
IAH
3h 17mnonstop
$179Frontier
Tue, Aug 11 - Thu, Aug 20

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Frontier flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

Our best Frontier deals on Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flight tickets
Frontier
Aug 17
IAH9:42 pmHouston George Bush Intcntl
2h 51m
ORD12:33 amChicago O'Hare Intl
Aug 24
ORD2:41 pmChicago O'Hare Intl
9h 59m
1 stop
IAH12:40 amHouston George Bush Intcntl
$170
Frontier
Aug 12
IAH1:22 pmHouston George Bush Intcntl
16h 15m
1 stop
ORD5:37 amChicago O'Hare Intl
Aug 15
ORD5:30 pmChicago O'Hare Intl
3h 17m
IAH8:47 pmHouston George Bush Intcntl
$171
Frontier
Aug 27
IAH10:14 pmHouston George Bush Intcntl
15h 22m
1 stop
ORD1:36 pmChicago O'Hare Intl
Aug 31
ORD5:46 pmChicago O'Hare Intl
3h 17m
IAH9:03 pmHouston George Bush Intcntl
$172

Delta flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

Our best Delta deals on Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flight tickets
Delta
Aug 13
IAH5:20 amHouston George Bush Intcntl
5h 22m
1 stop
ORD10:42 amChicago O'Hare Intl
Aug 18
ORD8:48 amChicago O'Hare Intl
12h 33m
2 stops
IAH9:21 pmHouston George Bush Intcntl
$202
Delta
Aug 20
IAH3:15 pmHouston George Bush Intcntl
5h 15m
1 stop
ORD8:30 pmChicago O'Hare Intl
Aug 24
ORD8:48 amChicago O'Hare Intl
5h 32m
1 stop
IAH2:20 pmHouston George Bush Intcntl
$203
Delta
Aug 13
IAH5:20 amHouston George Bush Intcntl
5h 22m
1 stop
ORD10:42 amChicago O'Hare Intl
Aug 17
ORD8:48 amChicago O'Hare Intl
5h 32m
1 stop
IAH2:20 pmHouston George Bush Intcntl
$207

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Mon 8/17

9:42 pm-12:33 am

Nonstop2h 51m

Chicago O'Hare Intl

Mon 8/24

2:41 pm-12:40 am

1 stop9h 59m

$170

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 8/12

8:02 pm-8:02 am

1 stop12h 00m

Chicago O'Hare Intl

Wed 8/19

8:45 am-11:56 am

Nonstop3h 11m

$171

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 8/27

10:14 pm-1:36 pm

1 stop15h 22m

Chicago O'Hare Intl

Mon 8/31

5:46 pm-9:03 pm

Nonstop3h 17m

$172

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 8/13

9:42 pm-12:33 am

Nonstop2h 51m

Chicago O'Hare Intl

Fri 8/21

5:46 pm-9:03 pm

Nonstop3h 17m

$173
Quickest round-trip

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 8/27

6:37 pm-9:46 pm

Nonstop3h 09m

Chicago O'Hare Intl

Mon 8/31

8:00 am-10:44 am

Nonstop2h 44m

$174

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sun 9/6

9:58 pm-12:49 am

Nonstop2h 51m

Chicago O'Hare Intl

Tue 9/8

8:45 am-11:56 am

Nonstop3h 11m

$175

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 8/20

9:58 pm-12:49 am

Nonstop2h 51m

Chicago O'Hare Intl

Sat 8/29

1:59 pm-10:14 pm

1 stop8h 15m

$176

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Mon 8/10

9:42 pm-12:33 am

Nonstop2h 51m

Chicago O'Hare Intl

Tue 8/25

2:41 pm-12:40 am

1 stop9h 59m

$177

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Mon 8/10

9:42 pm-12:33 am

Nonstop2h 51m

Chicago O'Hare Intl

Sat 8/22

2:41 pm-12:40 am

1 stop9h 59m

$178

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 8/11

9:42 pm-12:33 am

Nonstop2h 51m

Chicago O'Hare Intl

Thu 8/20

5:46 pm-9:03 pm

Nonstop3h 17m

$179

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Chicago from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Chicago O'Hare Intl 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

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $211 to $387.
The lowest price recently found on this route was $170.

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Houston George Bush Intcntl Airport averaging around $202.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Houston George Bush Intcntl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $236 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $834. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Houston George Bush Intcntl to Chicago O'Hare Intl flight route?

Fly from Houston George Bush Intcntl to Chicago O'Hare Intl for the best Houston George Bush Intcntl - Chicago O'Hare Intl flight prices

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $274 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Houston George Bush Intcntl Airport for as low as $189 on momondo.

What cabin class options are available on Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flights?

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

How have Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flight prices changed over time?

As of July 2026, prices for Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flights are approximately 17% more expensive when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport (IAH to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

Best Price Found

$155

Fastest flight time

2h 30m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Houston George Bush Intcntl Airport in the past 72 hours is $155. The best round-trip flight deal from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $283.
The fastest flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport takes 2h 30m
Direct flights go from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

  • How far is Houston George Bush Intcntl to Chicago O'Hare Intl by plane?

    There are 925.5 mi between Houston George Bush Intcntl and Chicago O'Hare Intl. By plane, this route typically takes 2h 30m.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl 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 Chicago O'Hare Intl 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 Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

Best airlines flying from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $63Free CancellationRating
5.6
2,771 reviews
Search Frontier flights
American AirlinesPriceFrom $176Free CancellationRating
7.1
11,850 reviews
Search American Airlines flights
United AirlinesPriceFrom $191Free CancellationRating
7.4
10,034 reviews
Search United Airlines flights

  • United Airlines Flights From Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

    United Airlines flight deals from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport start from $191 round-trip. Over the 70 United Airlines flights for this route in a normal week, average airfare is usually $435 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

    The best American Airlines deal for Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was $176, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $295 round-trip. American Airlines operates 30 flights out of Houston George Bush Intcntl Airport into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 11,850 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Schaumburg
South Haven
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Gurnee
Rosemont
Orland Park
Oak Brook
Naperville
Joliet
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Hammond
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South Holland

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Chicago. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Chicago from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Chicago.

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

Yes momondo offers price alerts on flights to Chicago from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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