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Cheap flights from Houston to Chicago from $79

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 to Chicago departing on 8/15. 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 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
5:29 pm - 8:57 pm
ORD
-
IAH
3h 28mnonstop
$135Frontier
Sat, Aug 15 - Tue, Aug 18
Frontier Logo
9:52 pm - 12:42 am
IAH
-
ORD
2h 50mnonstop
Frontier Logo
5:29 pm - 8:57 pm
ORD
-
IAH
3h 28mnonstop
$136Frontier
Fri, Aug 28 - Wed, Sep 2
Frontier Logo
6:42 pm - 9:34 pm
IAH
-
ORD
2h 52mnonstop
Frontier Logo
2:46 pm - 5:47 pm
ORD
-
IAH
3h 01mnonstop
$137Frontier
Tue, Sep 29 - Thu, Oct 1
Frontier Logo
9:58 pm - 12:49 am
IAH
-
ORD
2h 51mnonstop
Frontier Logo
5:46 pm - 9:03 pm
ORD
-
IAH
3h 17mnonstop
$138Frontier
Sat, Jul 11 - Fri, Jul 17
Frontier Logo
6:30 am - 8:53 pm
IAH
-
ORD
14h 23m
1 stop
Frontier Logo
2:46 pm - 5:47 pm
ORD
-
IAH
3h 01mnonstop
$139Frontier
Wed, Aug 19 - Wed, Sep 9
Frontier Logo
12:16 pm - 7:53 pm
IAH
-
ORD
7h 37m
1 stop
Frontier Logo
5:29 pm - 8:57 pm
ORD
-
IAH
3h 28mnonstop
$140Frontier
Wed, Aug 12 - Wed, Aug 19
Frontier Logo
9:52 pm - 12:42 am
IAH
-
ORD
2h 50mnonstop
Frontier Logo
5:29 pm - 8:57 pm
ORD
-
IAH
3h 28mnonstop
$141Frontier
Tue, Aug 25 - Sun, Sep 6
Frontier Logo
9:52 pm - 12:42 am
IAH
-
ORD
2h 50mnonstop
Frontier Logo
5:29 pm - 8:57 pm
ORD
-
IAH
3h 28mnonstop
$142Frontier
Wed, Aug 26 - Thu, Sep 3
Delta Logo
1:13 pm - 8:55 pm
HOU
-
ORD
7h 42m
1 stop
Delta Logo
3:25 pm - 10:05 pm
ORD
-
HOU
6h 40m
1 stop
$199Delta
Tue, Aug 4 - Tue, Aug 11
Delta Logo
1:13 pm - 6:49 pm
HOU
-
ORD
5h 36m
1 stop
Delta Logo
12:29 pm - 10:05 pm
ORD
-
HOU
9h 36m
2 stops
$204Delta
Wed, Aug 26 - Tue, Sep 1

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Frontier flights from Houston to Chicago O'Hare Intl Airport

Our best Frontier deals on Houston to Chicago O'Hare Intl Airport flight tickets
Frontier
Jul 21
IAH9:58 pmHouston George Bush Intcntl
2h 51m
ORD12:49 amChicago O'Hare Intl
Jul 23
ORD5:46 pmChicago O'Hare Intl
3h 17m
IAH9:03 pmHouston George Bush Intcntl
$133
Frontier
Aug 15
IAH9:42 pmHouston George Bush Intcntl
2h 51m
ORD12:33 amChicago O'Hare Intl
Aug 18
ORD5:29 pmChicago O'Hare Intl
3h 28m
IAH8:57 pmHouston George Bush Intcntl
$135
Frontier
Aug 28
IAH9:52 pmHouston George Bush Intcntl
2h 50m
ORD12:42 amChicago O'Hare Intl
Sep 2
ORD5:29 pmChicago O'Hare Intl
3h 28m
IAH8:57 pmHouston George Bush Intcntl
$136

American Airlines flights from Houston to Chicago O'Hare Intl Airport

Our best American Airlines deals on Houston to Chicago O'Hare Intl Airport flight tickets
American Airlines
Aug 4
IAH6:13 amHouston George Bush Intcntl
2h 54m
ORD9:07 amChicago O'Hare Intl
Aug 4
ORD3:07 pmChicago O'Hare Intl
2h 54m
IAH6:01 pmHouston George Bush Intcntl
$179
American Airlines
Aug 22
HOU3:57 pmHouston Hobby
5h 19m
1 stop
ORD9:16 pmChicago O'Hare Intl
Sep 9
ORD11:00 amChicago O'Hare Intl
4h 43m
1 stop
HOU3:43 pmHouston Hobby
$275
American Airlines
Aug 27
HOU5:41 amHouston Hobby
5h 30m
1 stop
ORD11:11 amChicago O'Hare Intl
Aug 29
ORD10:45 amChicago O'Hare Intl
4h 41m
1 stop
HOU3:26 pmHouston Hobby
$287

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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 June 11, 2026.
Use the filters below to find and compare flights from Houston 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

Sat 8/15

9:42 pm-12:33 am

Nonstop2h 51m

Chicago O'Hare Intl

Tue 8/18

5:29 pm-8:57 pm

Nonstop3h 28m

$135

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 8/28

9:52 pm-12:42 am

Nonstop2h 50m

Chicago O'Hare Intl

Wed 9/2

5:29 pm-8:57 pm

Nonstop3h 28m

$136
Quickest round-trip

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 9/29

6:42 pm-9:34 pm

Nonstop2h 52m

Chicago O'Hare Intl

Thu 10/1

2:46 pm-5:47 pm

Nonstop3h 01m

$137

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sat 7/11

9:58 pm-12:49 am

Nonstop2h 51m

Chicago O'Hare Intl

Fri 7/17

5:46 pm-9:03 pm

Nonstop3h 17m

$138

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 8/19

6:30 am-8:53 pm

1 stop14h 23m

Chicago O'Hare Intl

Wed 9/9

2:46 pm-5:47 pm

Nonstop3h 01m

$139

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 8/12

12:16 pm-7:53 pm

1 stop7h 37m

Chicago O'Hare Intl

Wed 8/19

5:29 pm-8:57 pm

Nonstop3h 28m

$140

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 8/25

9:52 pm-12:42 am

Nonstop2h 50m

Chicago O'Hare Intl

Sun 9/6

5:29 pm-8:57 pm

Nonstop3h 28m

$141

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 8/26

9:52 pm-12:42 am

Nonstop2h 50m

Chicago O'Hare Intl

Thu 9/3

5:29 pm-8:57 pm

Nonstop3h 28m

$142

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Tue 8/4

1:13 pm-8:55 pm

1 stop7h 42m

Chicago O'Hare Intl

Tue 8/11

3:25 pm-10:05 pm

1 stop6h 40m

$199

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Wed 8/26

1:13 pm-6:49 pm

1 stop5h 36m

Chicago O'Hare Intl

Tue 9/1

12:29 pm-10:05 pm

2 stops9h 36m

$204

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Houston 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 and Chicago O'Hare Intl Airport?

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

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Houston averaging around $38.

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 in the evening is the least expensive time of day to depart. momondo users have found prices as low as $235 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $815. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Houston 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 for as low as $141 on momondo.

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

There are 4 cabin classes available to choose from on Houston 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.

Cheap Houston to Chicago O'Hare Intl Airport flight deals and tips

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

Fastest flight time

2h 30m

Direct flights

Every day
The fastest flight from Houston to Chicago O'Hare Intl Airport takes 2h 30m
Direct flights go from Houston to Chicago O'Hare Intl Airport every day.
Search flight deals

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

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

    There are 940.6 mi between Houston and Chicago O'Hare Intl. In terms of flight time, this usually takes a little over 2h 30m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston 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 you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Compare and see reviews for airlines that fly from Houston to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $58Free CancellationRating
5.6
2,898 reviews
Search Frontier flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,808 reviews
Search United Airlines flights
American AirlinesPriceFrom $172Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights

Traveling to a place near Chicago?

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

Why use momondo?

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

It is quick and easy to find Houston to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

All flight searches from Houston to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Houston to Chicago 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 Houston to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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