Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Houston George Bush Intcntl Airport to Chicago from $30

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 9/3. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Spirit Airlines Logo
5:02 pm - 7:42 pmIAH-ORD
2h 40mnonstop
Spirit Airlines Logo
2:04 pm - 4:50 pmORD-IAH
2h 46mnonstop
$61Spirit Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 9
Spirit Airlines Logo
5:02 pm - 7:42 pmIAH-ORD
2h 40mnonstop
Spirit Airlines Logo
2:04 pm - 4:50 pmORD-IAH
2h 46mnonstop
$75Spirit Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
Spirit Airlines Logo
5:05 pm - 7:50 pmIAH-ORD
2h 45mnonstop
Spirit Airlines Logo
8:56 pm - 11:45 pmORD-IAH
2h 49mnonstop
$77Spirit Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 6
Spirit Airlines Logo
10:23 am - 1:09 pmIAH-ORD
2h 46mnonstop
Spirit Airlines Logo
8:56 pm - 11:45 pmORD-IAH
2h 49mnonstop
$79Spirit Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
Spirit Airlines Logo
5:05 pm - 7:50 pmIAH-ORD
2h 45mnonstop
Spirit Airlines Logo
8:56 pm - 11:45 pmORD-IAH
2h 49mnonstop
$83Spirit Airlines
Find Deal
Mon, Oct 27 - Fri, Oct 31
Spirit Airlines Logo
5:02 pm - 7:42 pmIAH-ORD
2h 40mnonstop
Spirit Airlines Logo
8:56 pm - 11:45 pmORD-IAH
2h 49mnonstop
$85Spirit Airlines
Find Deal
Wed, Sep 3 - Fri, Sep 5
Frontier Logo
8:00 pm - 10:45 pmIAH-ORD
2h 45mnonstop
Frontier Logo
4:03 pm - 7:10 pmORD-IAH
3h 07mnonstop
$86Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5
Spirit Airlines Logo
12:41 pm - 11:59 pmIAH-ORD
11h 18m1 stop
Spirit Airlines Logo
8:56 pm - 11:45 pmORD-IAH
2h 49mnonstop
$87Spirit Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 6
Logo
8:46 pm - 11:37 pmIAH-ORD
2h 51mnonstop
Logo
2:04 pm - 4:50 pmORD-IAH
2h 46mnonstop
$92
Find Deal
Sun, Aug 31 - Tue, Sep 9
Frontier Logo
4:22 pm - 7:17 pmIAH-ORD
2h 55mnonstop
Frontier Logo
4:03 pm - 7:10 pmORD-IAH
3h 07mnonstop
$106Frontier
Find Deal
Thu, Aug 28 - Fri, Sep 26

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
Oct 3
IAH8:00 pmHouston George Bush Intcntl
2h 45m
ORD10:45 pmChicago O'Hare Intl
Oct 5
ORD4:03 pmChicago O'Hare Intl
3h 07m
IAH7:10 pmHouston George Bush Intcntl
$86
Find similar
Frontier
Aug 28
IAH4:22 pmHouston George Bush Intcntl
2h 55m
ORD7:17 pmChicago O'Hare Intl
Sep 26
ORD4:03 pmChicago O'Hare Intl
3h 07m
IAH7:10 pmHouston George Bush Intcntl
$106
Find similar
Frontier
Aug 15
IAH10:05 amHouston George Bush Intcntl
2h 44m
ORD12:49 pmChicago O'Hare Intl
Aug 18
ORD6:30 amChicago O'Hare Intl
2h 50m
IAH9:20 amHouston George Bush Intcntl
$172
Find similar

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

Our best Spirit Airlines deals on Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flight tickets
Spirit Airlines
Sep 3
IAH5:02 pmHouston George Bush Intcntl
2h 40m
ORD7:42 pmChicago O'Hare Intl
Sep 9
ORD2:04 pmChicago O'Hare Intl
2h 46m
IAH4:50 pmHouston George Bush Intcntl
$61
Find similar
Spirit Airlines
Sep 2
IAH5:02 pmHouston George Bush Intcntl
2h 40m
ORD7:42 pmChicago O'Hare Intl
Sep 9
ORD2:04 pmChicago O'Hare Intl
2h 46m
IAH4:50 pmHouston George Bush Intcntl
$75
Find similar
Spirit Airlines
Sep 6
IAH5:05 pmHouston George Bush Intcntl
2h 45m
ORD7:50 pmChicago O'Hare Intl
Sep 6
ORD8:56 pmChicago O'Hare Intl
2h 49m
IAH11:45 pmHouston George Bush Intcntl
$77
Find similar

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 August 6, 2025.
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

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 9/3

5:02 pm-7:42 pm

Nonstop2h 40m

Chicago O'Hare Intl

Tue 9/9

2:04 pm-4:50 pm

Nonstop2h 46m

$61

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 9/2

5:02 pm-7:42 pm

Nonstop2h 40m

Chicago O'Hare Intl

Tue 9/9

2:04 pm-4:50 pm

Nonstop2h 46m

$75

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sat 9/6

5:05 pm-7:50 pm

Nonstop2h 45m

Chicago O'Hare Intl

Sat 9/6

8:56 pm-11:45 pm

Nonstop2h 49m

$77

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 10/1

10:23 am-1:09 pm

Nonstop2h 46m

Chicago O'Hare Intl

Sat 10/4

8:56 pm-11:45 pm

Nonstop2h 49m

$79

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Mon 10/27

5:05 pm-7:50 pm

Nonstop2h 45m

Chicago O'Hare Intl

Fri 10/31

8:56 pm-11:45 pm

Nonstop2h 49m

$83

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 9/3

5:02 pm-7:42 pm

Nonstop2h 40m

Chicago O'Hare Intl

Fri 9/5

8:56 pm-11:45 pm

Nonstop2h 49m

$85

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 10/3

8:00 pm-10:45 pm

Nonstop2h 45m

Chicago O'Hare Intl

Sun 10/5

4:03 pm-7:10 pm

Nonstop3h 07m

$86

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 9/3

12:41 pm-11:59 pm

1 stop11h 18m

Chicago O'Hare Intl

Sat 9/6

8:56 pm-11:45 pm

Nonstop2h 49m

$87

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sun 8/31

8:46 pm-11:37 pm

Nonstop2h 51m

Chicago O'Hare Intl

Tue 9/9

2:04 pm-4:50 pm

Nonstop2h 46m

$92

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 8/28

4:22 pm-7:17 pm

Nonstop2h 55m

Chicago O'Hare Intl

Fri 9/26

4:03 pm-7:10 pm

Nonstop3h 07m

$106

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Chicago O'Hare Intl Airport?

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Houston George Bush Intcntl Airport averaging around $170.

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

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $177. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Houston George Bush Intcntl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $246.

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 $210 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $801. 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 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 $226 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 $146 on momondo.

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

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to Chicago O'Hare Intl 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 Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport.

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

As of August 2025, prices for Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flights are approximately 46% cheaper 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

$30

Fastest flight time

2h 32m

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 $30. 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 $61.
The fastest flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport takes 2h 32m
Direct flights go from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport every day.
Search flight deals

  • 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 32m.

  • 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 $64Free CancellationRating
5.8
3,231 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $70Free CancellationRating
6.3
8,055 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $176Free CancellationRating
7.4
8,917 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 $176 round-trip. Over the 97 United Airlines flights for this route in a normal week, average airfare is usually $358 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 $157, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $257 round-trip. American Airlines operates 11 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. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
Schaumburg
South Haven
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Tinley Park
Elgin
Orland Park
Aurora
Janesville
Benton Harbor

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.

An easier way to manage your Chicago O'Hare Intl 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/11
Mon 8/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago