IAH - CHI

$96 Find Cheap Flights from Houston George Bush Airport to Chicago - Compare and Save

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Everything you should know

Cheapest round-trip
$170
Typical prices: $162-$338
Frontier
Sat 2/3Mon 2/5
IAH - ORD • Non-stop
Cheapest one-way
$96
Typical prices: $119-$241
Frontier
Sun 12/9
IAH - ORD • 1 stop
Nonstop flights
You can fly direct with United Airlines, American Airlines and Frontier. Average duration is 2h 52m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 13% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 93% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 12 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 33% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $205 (round-trip)
Shortest trip • 4h 56m (one-way)
Insights
Insights
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We hope you love your trip to Chicago!

Cheap Flights from George Bush Intcntl to Chicago (IAH-CHI)

 

Cheap flights from George Bush Intcntl to Chicago with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Wed, Feb 3 - Fri, Feb 5
Frontier Logo
8:03 pm - 10:57 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 54mnonstop
Frontier Logo
4:08 pm - 7:08 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
3h 00mnonstop
$170Frontier
Thu, Dec 3 - Fri, Dec 4
Frontier Logo
9:24 pm - 7:15 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
9h 51m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
10:37 pm - 8:46 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
10h 09m1 stop Atlanta Hartsfield-Jackson
$170Frontier
Thu, Dec 17 - Mon, Jan 4
Multiple Airlines Logo
2:15 pm - 8:16 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
6h 01m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
7:00 am - 12:25 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
29h 25m1 stop Fort Lauderdale
$258Multiple Airlines
Fri, Oct 30 - Mon, Nov 2
Multiple Airlines Logo
7:05 am - 11:57 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
16h 52m1 stop Fort Lauderdale
Multiple Airlines Logo
7:50 pm - 7:23 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
11h 33m1 stop Atlanta Hartsfield-Jackson
$259Multiple Airlines
Fri, Nov 6 - Wed, Dec 2
American Airlines Logo
7:37 am - 10:30 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 53mnonstop
American Airlines Logo
1:49 pm - 4:43 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 54mnonstop
$293American Airlines
Sat, Nov 7 - Tue, Nov 10
American Airlines Logo
7:37 am - 10:30 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 53mnonstop
American Airlines Logo
9:05 pm - 11:57 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 52mnonstop
$293American Airlines
Sat, Dec 12 - Mon, Dec 14
United Airlines Logo
8:10 pm - 10:56 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 46mnonstop
United Airlines Logo
9:19 am - 12:22 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
3h 03mnonstop
$297United Airlines
Wed, Dec 2 - Sat, Dec 5
United Airlines Logo
11:55 am - 2:43 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 48mnonstop
United Airlines Logo
9:19 am - 12:22 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
3h 03mnonstop
$297United Airlines
Tue, Feb 2 - Tue, Feb 2
Delta Logo
6:30 am - 11:51 amIAH  Houston George Bush Intcntl-MDW Chicago Midway
5h 21m1 stop Minneapolis St Paul
Delta Logo
5:25 pm - 11:58 pmMDW  Chicago Midway-IAH Houston George Bush Intcntl
6h 33m1 stop Atlanta Hartsfield-Jackson
$317Delta
Wed, Dec 2 - Thu, Dec 3
Delta Logo
5:25 am - 10:28 amIAH  Houston George Bush Intcntl-MDW Chicago Midway
5h 03m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:24 am - 5:59 pmMDW  Chicago Midway-IAH Houston George Bush Intcntl
7h 35m1 stop Minneapolis St Paul
$317Delta

Price, demand and travel trends for Houston George Bush Intcntl Airport to Chicago flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Houston George Bush Intcntl Airport to Chicago?

Round-trip flights from Houston George Bush Intcntl Airport to Chicago typically range from $162 to $338. The lowest price found in the past 5 days was $170, on Frontier.

What is the cheapest Houston George Bush Intcntl Airport to Chicago flight route?

Houston George Bush Intcntl Airport (IAH) to Chicago Midway Airport (MDW) is the cheapest Houston George Bush Intcntl Airport to Chicago route, averaging $192 round-trip. Other Houston George Bush Intcntl Airport to Chicago routes average $248, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Chicago?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Chicago. It’s 11% cheaper than the average day, while Monday is the most expensive, with prices 27% higher.

What’s the cheapest month to fly from Houston George Bush Intcntl Airport to Chicago?

•January is the cheapest month to fly from Houston George Bush Intcntl Airport to Chicago at $164 round-trip.
•July ($290) and June ($285) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 76% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Houston George Bush Intcntl Airport to Chicago the cheapest?

Flights from Houston George Bush Intcntl Airport to Chicago are cheapest 12 weeks before departure. Booking in this window typically costs about 48% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice for your flight from George Bush Intcntl to Chicago

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, Frontier and ORD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

John Walton

John Walton

Expert on IAH

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Key details for Houston George Bush Intcntl Airport to Chicago flights

Low season

February

Cheapest flight

$96
Beat the crowds with an average 31% drop in travelers.
The most popular month to fly with an average 37% increase in travelers.
One-way flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

When to book flights from George Bush Intcntl to Chicago

Are your dates flexible? Find out the best times to travel from George Bush Intcntl to Chicago based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Houston George Bush Intcntl Airport to Chicago flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Houston George Bush Intcntl Airport to Chicago?

    These are the earliest and latest flight times available from Houston George Bush Intcntl Airport to Chicago:

    • Earliest: departs at 5:00 am and lands at 7:52 am
    • Latest: departs at 11:55 pm and lands at 2:47 am.

    The flight takes about 2h 52m.

  • What cabin classes can I book on flights from Houston George Bush Intcntl Airport to Chicago?

    Four cabin classes are available on flights from Houston George Bush Intcntl Airport to Chicago:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Houston George Bush Intcntl Airport to Chicago?

    A nonstop flight from Houston George Bush Intcntl Airport to Chicago takes 2h 52m, covering 926 miles.

  • Do I need a passport to fly from Houston George Bush Intcntl Airport to Chicago?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Houston George Bush Intcntl Airport to Chicago flight?

    Round-trip flights from Houston George Bush Intcntl Airport to Chicago range from $162 to $338, with an average of $244 over the past 12 months. Anything below $162 counts as a good deal.

  • How expensive are last-minute Houston George Bush Intcntl Airport to Chicago flights?

    Last-minute fares on this route (booked within two weeks of departure) run 34% above the $244 route average. Book 12 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Houston George Bush Intcntl Airport to Chicago?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $205 round-trip via Raleigh-Durham (RDU), compared to $245 for nonstop.

  • How does on-time performance compare across airlines flying from Houston George Bush Intcntl Airport to Chicago?

    United Airlines is slightly above the route average for timely arrivals, while American Airlines has a lower on-time arrival rate. On-time arrival rates on Houston George Bush Intcntl Airport to Chicago flights are:

    • United Airlines: 93% on time
    • American Airlines: 88% on time
    • Frontier: 81% on time

    Overall, flights on this route are punctual 91% of the time on average.

  • What is the standard checked-bag allowance on flights from Houston George Bush Intcntl Airport to Chicago?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • How are flight departures from Houston George Bush Intcntl Airport to Chicago spread across the day?

    Morning is the busiest departure period on Houston George Bush Intcntl Airport to Chicago flights, with 48% of flights leaving in that window. Evening departures account for 26%, afternoon flights for 21%, and night flights for 5%.

  • Have flight prices from Houston George Bush Intcntl Airport to Chicago changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $170 to $1,325. That means the highest observed fare was about 8x higher than the lowest one.

  • Which airlines offer Wi-Fi on Houston George Bush Intcntl Airport to Chicago flights?

    Two airlines offer in-flight Wi-Fi on Houston George Bush Intcntl Airport to Chicago flights:

    • American Airlines
    • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

  • How are flight prices from Houston George Bush Intcntl Airport to Chicago looking right now?

    One-way fares from Houston George Bush Intcntl Airport to Chicago are currently lower than usual. Average one-way flight prices are about $147, which is 17% below the typical average for this route.

  • What car rental options are available in Chicago?

    Since Chicago is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Chicago O'Hare Intl Airport (ORD) — daily rates from around $17:

    • Routes Car & Truck Rentals
    • Europcar
    • Hertz
    • Ace
    • Dollar

    Near Chicago Midway Airport (MDW) — daily rates from around $32:

    • Hertz
    • Dollar
    • Budget
    • Alamo
    • Rent-A-Wreck

    Near Chicago Greater Rockford Airport (RFD) — daily rates from around $28:

    • Alamo
    • Enterprise Rent-A-Car
    • Budget
    • Avis
    • National

  • Which airports can I use when flying from Houston George Bush Intcntl Airport to Chicago?

    Flights from Houston George Bush Intcntl Airport to Chicago usually depart from Houston George Bush Intcntl (IAH) and may arrive at several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD).

  • What time of day has the fewest delays on flights from Houston George Bush Intcntl Airport to Chicago?

    Night flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from Houston George Bush Intcntl Airport to Chicago?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Houston George Bush Intcntl Airport to Chicago route, 10% of flights were delayed in the past 3 months, with delays averaging 2h 38m.

  • Which airports do connecting flights from Houston George Bush Intcntl Airport to Chicago pass through?

    One-stop flights from Houston George Bush Intcntl Airport to Chicago most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 48% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 32% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 7% of one-stop connections
    • Raleigh-Durham (RDU) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Houston George Bush Intcntl Airport to Chicago?

    Yes. Flexible dates can save you up to 30% on flights from Houston George Bush Intcntl Airport to Chicago. Saturday is the cheapest departure day at $218 round-trip on average, while Monday is the most expensive at $311, a difference of $93.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Houston George Bush Intcntl Airport to Chicago?

    3 airlines operate flights between Houston George Bush Intcntl Airport and Chicago. The airlines offering nonstop flights on this route include:

    • United Airlines
    • American Airlines
    • Frontier

  • How much time can I save by choosing a different layover airport from Houston George Bush Intcntl Airport to Chicago?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 4h 56m, compared with 5h 44m via Detroit Metropolitan Wayne County (DTW) and 6h via Chicago O'Hare Intl (ORD).

  • What popular places can I visit in Chicago?

    Some of the most popular sights in Chicago are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Houston George Bush Intcntl Airport to Chicago flights?

    Among airlines operating Houston George Bush Intcntl Airport to Chicago flights:

    • Frontier: offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Houston George Bush Intcntl Airport to Chicago flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Frontier: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Houston George Bush Intcntl Airport to Chicago flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Monday. On this route, Saturday flights average $218, about $93 less than Monday fares (30% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 48% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Houston George Bush Intcntl Airport to Chicago trip for January. Fares historically average $164 round-trip in that month - typically $126 less than the most expensive month, which is July (based on the last 12 months).
  • For the best chance of arriving on time, fly with United Airlines. Over the past three months, 93% of United Airlines flights from Houston George Bush Intcntl Airport to Chicago arrived on time, slightly above the route average of 90%. When flights on this route arrive late, they're delayed by an average of 2h 38m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Raleigh-Durham Airport (RDU) can be cheaper than flying direct. The cheapest layover option averages $205 round-trip on this route - about $40 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Chicago Midway Airport.

    • DoubleTree by Hilton Chicago Midway Airport
    • Holiday Inn Chicago - Midway Airport S by IHG
    • Skylark Motel

Prefer to fly direct from Houston George Bush Airport to Chicago?

 
Find which airlines fly direct from Houston George Bush Intcntl Airport to Chicago, which days they fly and book direct flights.

Direct departures

Houston George Bush Intcntl to Chicago

Monday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Thursday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Saturday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Sunday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

See more direct flights

Direct returns

Chicago to Houston George Bush Intcntl

Monday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Frontier,United Airlines, +1 more

American Airlines,Frontier, +2 more

Thursday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Saturday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

Sunday

American Airlines,Frontier,United Airlines

American Airlines,Frontier, +1 more

See more direct flights

More options for your flight from George Bush Intcntl to Chicago

Complete your trip to Chicago with a hotel stay or car rental