IAH - ORD

$85 Find Cheap Flights from Houston George Bush Airport to Chicago O'Hare Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$147
Typical prices: $154-$329
Frontier
Tue 9/25Sat 9/29
IAH - ORD • Non-stop
Cheapest one-way
$85
Typical prices: $109-$234
Frontier
Tue 9/25
IAH - ORD • Non-stop
Nonstop flights
You can fly direct with United Airlines, American Airlines and Frontier. Average duration is 2h 54m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 92% 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 45% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 35% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $218 (round-trip)
Shortest trip • 4h 53m (one-way)
Insights
Insights
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We hope you love your trip to Chicago O'Hare Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from George Bush Intcntl to O'Hare Intl (IAH-ORD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from George Bush Intcntl to O'Hare Intl

Fri, Sep 25 - Tue, Sep 29
Frontier Logo
6:50 pm - 9:39 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 49mnonstop
Frontier Logo
7:25 am - 10:30 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
3h 05mnonstop
$147Frontier
Fri, Oct 16 - Mon, Oct 19
Frontier Logo
11:36 am - 2:25 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 49mnonstop
Frontier Logo
7:40 am - 10:39 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 59mnonstop
$147Frontier
Tue, Oct 6 - Thu, Oct 8
Frontier Logo
11:25 am - 2:17 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 52mnonstop
Frontier Logo
7:40 am - 10:39 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 59mnonstop
$148Frontier
Wed, Oct 21 - Wed, Oct 21
American Airlines Logo
7:34 am - 10:30 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 56mnonstop
American Airlines Logo
5:10 pm - 8:06 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 56mnonstop
$209American Airlines
Thu, Oct 15 - Mon, Oct 19
American Airlines Logo
7:34 am - 10:30 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 56mnonstop
American Airlines Logo
9:42 pm - 12:36 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 54mnonstop
$209American Airlines
Thu, Sep 24 - Thu, Oct 1
American Airlines Logo
6:05 am - 9:05 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
3h 00mnonstop
American Airlines Logo
1:19 pm - 4:07 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 48mnonstop
$209American Airlines
Fri, Oct 2 - Mon, Oct 5
United Airlines Logo
5:00 am - 7:55 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 55mnonstop
United Airlines Logo
6:25 am - 9:14 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 49mnonstop
$222United Airlines
Fri, Oct 9 - Tue, Oct 13
United Airlines Logo
9:45 pm - 12:23 amIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
2h 38mnonstop
United Airlines Logo
9:38 pm - 12:30 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 52mnonstop
$222United Airlines
Sat, Sep 26 - Tue, Sep 29
Delta Logo
3:20 pm - 8:30 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
5h 10m1 stop Detroit Metropolitan Wayne County
Delta Logo
11:17 am - 5:54 pmORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
6h 37m1 stop Detroit Metropolitan Wayne County
$229Delta
Tue, Oct 6 - Sat, Oct 10
Multiple Airlines Logo
6:15 am - 11:10 pmIAH  Houston George Bush Intcntl-ORD Chicago O'Hare Intl
16h 55m1 stop Fort Lauderdale
Multiple Airlines Logo
7:40 am - 10:39 amORD  Chicago O'Hare Intl-IAH Houston George Bush Intcntl
2h 59mnonstop
$229Multiple Airlines
Booking Insights

Price, demand and travel trends for Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport with more confidence.

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

Round-trip flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport start at $147. Prices are below average for this route right now, with typical round-trip fares ranging from $154 to $329. The lowest price found in the past 5 days was $147 on Frontier.

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

Wednesday is the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport, it is 9% cheaper than the average day. Monday is the most expensive day with flight prices 27% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

  • January is the cheapest month to fly from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport at $152 round-trip.
  • July ($290) and June ($284) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 90% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport the cheapest?

Flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport are cheapest 12 weeks before departure. Booking in this window typically costs about 45% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from George Bush Intcntl to O'Hare Intl

 
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 O'Hare Intl Airport flights

Low season

February

Cheapest flight

$85
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly with an average 21% increase in price.
Flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

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

Are your dates flexible? Find out the best times to travel from George Bush Intcntl to O'Hare Intl 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 O'Hare Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • How can I get downtown from Chicago International Airport?

    There are several means of transport to downtown from ORD. You can take a train at O'Hare Blue Line station at the Lower Level, of the Parking Garage. If you have bulky luggage, use a taxi which will offer you convenience and comfort although it is relatively expensive. Hotel shuttles are also available which can take you to your desired destination. Alternatively, rental cars are available outside the Baggage Claim Area.

  • Can I park my car at IAH airport?

    IAH has several parking options if you plan to leave your car at the airport. Parking options range from short-term, long-term, economy, and valet parking. However, offsite parking lots are available near the airport which is relatively cheaper and offers free shuttle service to the terminals.

  • How early should I get at Houston George Intercontinental Airport?

    IAH is the busiest airport in the region. This being the case, the airport usually has long security lines and insane traffic. To navigate through these lines, ensure you get to the airport 2-3h before your scheduled departure time.

  • Are there onsite hotels at ORD?

    If you alight late at ORD, get a room at Hilton Chicago O'Hare Airport Hotel located at Terminal 2. DoubleTree by Hilton Hotel Chicago O'Hare Airport Rosemont, Embassy Suites Chicago O'Hare Rosemont, and Aloft Chicago O'Hare are nearby hotels with free shuttle service.

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

    Among airlines operating Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport 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.

  • What airlines are available from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

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

    • United Airlines
    • American Airlines
    • Frontier

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

    Flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport usually depart from Houston George Bush Intcntl (IAH) and arrive at Chicago O'Hare Intl (ORD).

  • Which airlines include bags at no extra cost on Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport 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 travelers should check the fare details before booking.

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

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

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

    Prices vary by airline.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $218 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $237 for nonstop.

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

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $32–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    The Airbus A321neo family is used most often on this route, operated mainly by United Airlines and Frontier. Other aircraft seen on the route include Boeing 737-800 variants.

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

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

    • Detroit Metropolitan Wayne County (DTW) - 50% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 38% of one-stop connections
    • Raleigh-Durham (RDU) - 13% of one-stop connections

    Detroit Metropolitan Wayne County (DTW) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 29% on the Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport route. Wednesday is the cheapest departure day at $214 round-trip on average, while Monday is the most expensive at $300, a difference of $86. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    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 O'Hare Intl Airport route, 10% of flights were delayed in the past 3 months, with delays averaging 2 hours 32 minutes.

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

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

  • What popular places can I visit in Chicago O'Hare Intl Airport?

    Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and River North. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

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

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

    • Earliest: departs at 5:00 am and lands at 7:54 am
    • Latest: departs at 11:55 pm and lands at 2:49 am.

    The flight takes about 2h 54m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 31% above the route average of $235. Book 12 weeks before departure for the lowest fares.

  • How long is a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    A nonstop flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport takes 2h 54m, covering 926 miles.

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

    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 are flight prices from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport looking right now?

    One-way fares from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $103, which is 40% below the typical average for this route.

  • How does United Airlines’s on-time performance compare to other airlines on Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flights?

    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 O'Hare Intl Airport flights are:

    • United Airlines: 92% on time
    • American Airlines: 87% on time
    • Spirit Airlines: 81% on time

    Overall, flights on this route are on time 90% of the time on average.

  • How do delay rates compare for morning and evening flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

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

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 53m, compared with 6h 09m via Raleigh-Durham (RDU) and 17h 15m via Atlanta Hartsfield-Jackson (ATL).

  • What car rental options are available at Chicago O'Hare Intl Airport (ORD)?

    Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:
    · Routes Car & Truck Rentals
    · Europcar
    · Hertz
    · Dollar
    · Ace

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

    Round-trip flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport range from $154 to $329, with an average of $235 over the past 12 months. Anything below $154 counts as a good deal.

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

    Two airlines offer in-flight Wi-Fi on Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport 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.

Your guide to booking Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $214 - about $86 less than Monday (29% 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 45% 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 O'Hare Intl Airport trip for January. Fares historically average $152 round-trip in that month - typically $138 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, United Airlines is the strongest pick on this route. 92% of United Airlines flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 90%. When flights on this route do arrive late, the average delay is 2 hours 32 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Atlanta Hartsfield-Jackson Airport (ATL) can be cheaper than flying direct. The cheapest layover option averages $218 round-trip on this route - about $19 less than direct flights (based on the last 12 months).
  • If you have an early flight at Houston George Intercontinental Airport (IAH), consider speeding up your night at a nearby hotel with a free shuttle service. Accessible by free underground service to all Terminals is The Houston Marriott Hotel. SpringHill Suites hotel, The La Quinta Inn & Suites, and The DoubleTree by Hilton Hotel are among the recommended hotels.
  • American Airlines is the airline to fly with if you would love to fly with an airline with a lounge from IAH to ORD. The Admirals Club is located in Terminal A at the airside near Gate A25. United Airlines is another airline with a lounge with five locations: Terminal A along the airside near Gate A9; Terminal B along the Airside on the South Mezzanine, North Terminal C along the airside across gate from C1 and Terminals C and E.
  • Chicago O'Hare Airport (ORD) has several nursing rooms for mothers traveling with their toddlers. If you are in Terminal 1 use the nursing suites in gates B4, B10, C20, and the Baggage Claim area. There are also suites in Terminals 2, 3, and 5. These rooms have lockable breastfeeding units, changing tables, a sink, and a power output. Nursing pumps are available in Terminal 1 at gates B7, C23, and C11, T2 at gates E1 and F, and Terminal 3; at gates G12, K5, and K19.
  • If you have any questions or concerns, there are Information Desks at Chicago O'Hare Airport. In Terminal 1 you can get assistance at; gates B7 and C18. Terminal 2 has a desk at Gate F1D. Terminal 3 and 5 also have Information Desks.
  • Chicago O'Hare Airport has shower facilities if you would love to freshen up before your appointment. Hilton Athletic Club, Admirals Club, and United Polaris Lounge have shower facilities.

Prefer to fly direct from Houston George Bush Airport to Chicago O'Hare Airport?

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

Direct departures

Houston George Bush Intcntl to Chicago O'Hare Intl

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 O'Hare Intl 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

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

Everything you need to know for your flight from George Bush Intcntl to O'Hare Intl

Information on your arrival and departure airports