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Cheap flights from Houston to Chicago from $86

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 9/10. 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
6:08 am - 6:23 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
12h 15m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:28 pm - 7:17 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
11h 49m1 stop Atlanta Hartsfield-Jackson
$155Frontier
Sat, Sep 12 - Mon, Sep 14
Frontier Logo
6:08 am - 11:51 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
5h 43m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:28 pm - 7:17 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
11h 49m1 stop Atlanta Hartsfield-Jackson
$155Frontier
Sat, Sep 26 - Mon, Sep 28
Frontier Logo
9:04 pm - 11:51 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
14h 47m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:28 pm - 7:17 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
11h 49m1 stop Atlanta Hartsfield-Jackson
$155Frontier
Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
6:50 pm - 9:39 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 49mnonstop
Multiple Airlines Logo
6:00 am - 3:47 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
9h 47m1 stop Fort Lauderdale
$174Multiple Airlines
Fri, Sep 11 - Sun, Sep 13
Multiple Airlines Logo
6:50 pm - 9:39 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 49mnonstop
Multiple Airlines Logo
3:00 pm - 9:55 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
6h 55m1 stop Fort Lauderdale
$174Multiple Airlines
Fri, Sep 11 - Sun, Sep 13
Multiple Airlines Logo
6:50 pm - 9:39 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 49mnonstop
Multiple Airlines Logo
6:00 am - 3:47 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
9h 47m1 stop Fort Lauderdale
$174Multiple Airlines
Fri, Sep 11 - Sun, Sep 13
United Airlines Logo
5:00 am - 7:55 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 55mnonstop
United Airlines Logo
9:35 pm - 12:27 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 52mnonstop
$185United Airlines
Mon, Sep 7 - Tue, Sep 8
United Airlines Logo
3:34 pm - 6:30 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 56mnonstop
United Airlines Logo
7:30 am - 10:23 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 53mnonstop
$185United Airlines
Sat, Sep 5 - Wed, Sep 9
American Airlines Logo
6:52 pm - 9:49 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 57mnonstop
American Airlines Logo
7:21 am - 10:14 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 53mnonstop
$185American Airlines
Wed, Oct 7 - Tue, Oct 13
American Airlines Logo
2:32 pm - 5:29 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 57mnonstop
American Airlines Logo
6:55 pm - 9:55 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
3h 00mnonstop
$185American Airlines
Tue, Dec 15 - Thu, Dec 31

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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
Sep 11
IAH9:04 pmHouston George Bush Intcntl
14h 47m
1 stop
ORD11:51 amChicago O'Hare Intl
Sep 14
ORD7:28 pmChicago O'Hare Intl
11h 49m
1 stop
IAH7:17 amHouston George Bush Intcntl
$155
Frontier
Aug 26
IAH12:53 pmHouston George Bush Intcntl
3h 06m
ORD3:59 pmChicago O'Hare Intl
Sep 1
ORD8:45 amChicago O'Hare Intl
3h 11m
IAH11:56 amHouston George Bush Intcntl
$156
Frontier
Sep 5
IAH4:19 pmHouston George Bush Intcntl
26h 20m
1 stop
ORD6:39 pmChicago O'Hare Intl
Sep 9
ORD7:25 amChicago O'Hare Intl
3h 05m
IAH10:30 amHouston George Bush Intcntl
$157

Delta flights from Houston to Chicago O'Hare Intl Airport

Our best Delta deals on Houston to Chicago O'Hare Intl Airport flight tickets
Delta
Sep 9
HOU11:01 amHouston Hobby
5h 36m
1 stop
ORD4:37 pmChicago O'Hare Intl
Sep 12
ORD3:40 pmChicago O'Hare Intl
6h 59m
1 stop
HOU10:39 pmHouston Hobby
$205
Delta
Sep 9
HOU11:01 amHouston Hobby
5h 36m
1 stop
ORD4:37 pmChicago O'Hare Intl
Sep 12
ORD2:00 pmChicago O'Hare Intl
8h 39m
2 stops
HOU10:39 pmHouston Hobby
$210
Delta
Sep 9
HOU11:01 amHouston Hobby
9h 29m
2 stops
ORD8:30 pmChicago O'Hare Intl
Sep 16
ORD1:55 pmChicago O'Hare Intl
8h 44m
2 stops
HOU10:39 pmHouston Hobby
$215

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 August 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 Houston George Bush Intcntl - ORD Chicago O'Hare Intl

IAHORD

Houston George Bush Intcntl

Sat 9/12

6:08 am-6:23 pm

1 stop12h 15m

Chicago O'Hare Intl

Mon 9/14

7:28 pm-7:17 am

1 stop11h 49m

$155

HoustonChicago

IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl

IAHORD

Houston George Bush Intcntl

Sat 9/26

6:08 am-11:51 am

1 stop5h 43m

Chicago O'Hare Intl

Mon 9/28

7:28 pm-7:17 am

1 stop11h 49m

$155

HoustonChicago

IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl

IAHORD

Houston George Bush Intcntl

Fri 9/11

9:04 pm-11:51 am

1 stop14h 47m

Chicago O'Hare Intl

Mon 9/14

7:28 pm-7:17 am

1 stop11h 49m

$155

HoustonChicago

IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl

IAHORD

Houston George Bush Intcntl

Fri 9/11

6:50 pm-9:39 pm

Nonstop2h 49m

Chicago O'Hare Intl

Sun 9/13

6:00 am-3:47 pm

1 stop9h 47m

$174

HoustonChicago

IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl

IAHORD

Houston George Bush Intcntl

Fri 9/11

6:50 pm-9:39 pm

Nonstop2h 49m

Chicago O'Hare Intl

Sun 9/13

3:00 pm-9:55 pm

1 stop6h 55m

$174

HoustonChicago

IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl

IAHORD

Houston George Bush Intcntl

Fri 9/11

6:50 pm-9:39 pm

Nonstop2h 49m

Chicago O'Hare Intl

Sun 9/13

6:00 am-3:47 pm

1 stop9h 47m

$174
Quickest round-trip

HoustonChicago

IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl

IAHORD

Houston George Bush Intcntl

Mon 9/7

5:00 am-7:55 am

Nonstop2h 55m

Chicago O'Hare Intl

Tue 9/8

9:35 pm-12:27 am

Nonstop2h 52m

$185

HoustonChicago

IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl

IAHORD

Houston George Bush Intcntl

Sat 9/5

3:34 pm-6:30 pm

Nonstop2h 56m

Chicago O'Hare Intl

Wed 9/9

7:30 am-10:23 am

Nonstop2h 53m

$185

HoustonChicago

IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl

IAHORD

Houston George Bush Intcntl

Wed 10/7

6:52 pm-9:49 pm

Nonstop2h 57m

Chicago O'Hare Intl

Tue 10/13

7:21 am-10:14 am

Nonstop2h 53m

$185

HoustonChicago

IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl

IAHORD

Houston George Bush Intcntl

Tue 12/15

2:32 pm-5:29 pm

Nonstop2h 57m

Chicago O'Hare Intl

Thu 12/31

6:55 pm-9:55 pm

Nonstop3h 00m

$185

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?

Prices are currently low for flights on this route.

Typical prices usually range from $181 to $307.
The lowest price recently found on this route was $155.

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 $213.

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 $240 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $817. 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 $243 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 $189 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

Mon, Tue, Fri, Sat and Sun
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 on Monday, Tuesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
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 $63Free CancellationRating
5.6
2,703 reviews
Search Frontier flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights
American AirlinesPriceFrom $177Free CancellationRating
7.1
11,908 reviews
Search American Airlines flights
JetBluePriceFrom $268Free CancellationRating
7.1
3,034 reviews
Search JetBlue flights

Traveling to a place near Chicago?

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

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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