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O'Hare International Airport to George Bush Intercontinental Airport flight

Explore the cheapest one-way and round-trip flights from O'Hare International Airport to George Bush Intercontinental Airport over the next 90 days, with one-way fares from HK$474 and round-trip from HK$791. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      ORD 14:46
      3h 1m
      Direct
      IAH 17:47
      Chicago - Houston | Wed, Oct 28 | Frontier Airlines
      IAH 18:42
      2h 52m
      Direct
      ORD 21:34
      Houston - Chicago | Tue, Nov 3 | Frontier Airlines
      HK$791 HK$1,334
      41% off
      41% off
      HK$1,334 HK$791
    • ORD 14:46
      3h 1m
      Direct
      IAH 17:47
      Chicago - Houston | Wed, Nov 11 | Frontier Airlines
      IAH 18:42
      2h 52m
      Direct
      ORD 21:34
      Houston - Chicago | Sat, Nov 14 | Frontier Airlines
      HK$798 HK$1,334
      40% off
      40% off
      HK$1,334 HK$798
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      IAH 09:17
      2h 54m
      Direct
      ORD 12:11
      Houston - Chicago | Mon, Nov 23 | Frontier Airlines
      HK$921 HK$1,334
      31% off
      31% off
      HK$1,334 HK$921
    • ORD 15:55
      3h 9m
      Direct
      IAH 19:04
      Chicago - Houston | Fri, Dec 4 | Frontier Airlines
      IAH 20:12
      2h 54m
      Direct
      ORD 23:06
      Houston - Chicago | Fri, Dec 11 | Frontier Airlines
      HK$931
      30% off
      HK$1,334 HK$931
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 12 | Frontier Airlines
      IAH 17:06
      2h 53m
      Direct
      ORD 19:59
      Houston - Chicago | Mon, Nov 16 | Frontier Airlines
      HK$950
      28% off
      HK$1,334 HK$950
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Sat, Nov 21 | Frontier Airlines
      IAH 09:17
      2h 54m
      Direct
      ORD 12:11
      Houston - Chicago | Mon, Nov 23 | Frontier Airlines
      HK$985
      26% off
      HK$1,334 HK$985
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 3 | Frontier Airlines
      IAH 17:06
      2h 53m
      Direct
      ORD 19:59
      Houston - Chicago | Mon, Nov 9 | Frontier Airlines
      HK$986
      26% off
      HK$1,334 HK$986
    • ORD 07:15
      7h 35m
      1 stop
      IAH 14:50
      Chicago - Houston | Wed, Nov 4 | Frontier Airlines
      IAH 08:18
      7h 19m
      1 stop
      ORD 15:37
      Houston - Chicago | Sat, Nov 7 | Frontier Airlines
      HK$891
      33% off
      HK$1,334 HK$891
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 5 | Frontier Airlines
      IAH 08:18
      7h 19m
      1 stop
      ORD 15:37
      Houston - Chicago | Sat, Nov 7 | Frontier Airlines
      HK$934
      30% off
      HK$1,334 HK$934
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Oct 26 | Normal Airline
      HOU 15:00
      6h
      Direct
      CHI 16:00
      Houston - Chicago | Wed, Oct 28 | Normal Airline
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    • Cheapest
      ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 12 | Frontier Airlines
      HK$474 HK$1,860
      75% off
      75% off
      HK$1,860 HK$474
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      HK$486 HK$1,860
      74% off
      74% off
      HK$1,860 HK$486
    • ORD 19:32
      13h 4m
      1 stop
      IAH 08:36
      Chicago - Houston | Tue, Dec 8 | Frontier Airlines
      HK$489 HK$1,019
      52% off
      52% off
      HK$1,019 HK$489
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Tue, Dec 1 | Frontier Airlines
      HK$537
      47% off
      HK$1,019 HK$537
    • ORD 07:15
      14h 38m
      1 stop
      IAH 21:53
      Chicago - Houston | Sat, Nov 7 | Frontier Airlines
      HK$636
      38% off
      HK$1,019 HK$636
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Thu, Nov 26 | Frontier Airlines
      HK$657
      65% off
      HK$1,860 HK$657
    • ORD 19:35
      11h 48m
      1 stop
      IAH 07:23
      Chicago - Houston | Wed, Nov 11 | Frontier Airlines
      HK$666
      35% off
      HK$1,019 HK$666
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      HK$668
      64% off
      HK$1,860 HK$668
    • ORD 19:50
      11h 33m
      1 stop
      IAH 07:23
      Chicago - Houston | Mon, Nov 23 | Frontier Airlines
      HK$696
      32% off
      HK$1,019 HK$696
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Oct 26 | Normal Airline
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    • Cheapest nonstop
      ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 12 | Frontier Airlines
      HK$474 HK$1,860
      75% off
      75% off
      HK$1,860 HK$474
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      HK$486 HK$1,860
      74% off
      74% off
      HK$1,860 HK$486
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Tue, Dec 1 | Frontier Airlines
      HK$537 HK$1,019
      47% off
      47% off
      HK$1,019 HK$537
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Thu, Nov 26 | Frontier Airlines
      HK$657
      65% off
      HK$1,860 HK$657
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      HK$668
      64% off
      HK$1,860 HK$668
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 24 | Frontier Airlines
      HK$730
      28% off
      HK$1,019 HK$730
    • ORD 21:05
      2h 52m
      Direct
      IAH 23:57
      Chicago - Houston | Mon, Nov 2 | American Airlines
      HK$730
      84% off
      HK$4,702 HK$730
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Sat, Nov 14 | Frontier Airlines
      HK$737
      28% off
      HK$1,019 HK$737
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Sat, Nov 7 | Frontier Airlines
      HK$737
      60% off
      HK$1,860 HK$737
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Oct 26 | Normal Airline
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    • Cheapest nonstop
      ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 12 | Frontier Airlines
      HK$474 HK$1,860
      75% off
      75% off
      HK$1,860 HK$474
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      HK$486 HK$1,860
      74% off
      74% off
      HK$1,860 HK$486
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Thu, Nov 26 | Frontier Airlines
      HK$657 HK$1,860
      65% off
      65% off
      HK$1,860 HK$657
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      HK$668
      64% off
      HK$1,860 HK$668
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Sat, Nov 7 | Frontier Airlines
      HK$737
      60% off
      HK$1,860 HK$737
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Mon, Dec 7 | Frontier Airlines
      HK$741
      60% off
      HK$1,860 HK$741
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 4 | Frontier Airlines
      HK$755
      59% off
      HK$1,860 HK$755
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 18 | Frontier Airlines
      HK$779
      57% off
      HK$1,860 HK$779
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Tue, Nov 24 | Frontier Airlines
      HK$837
      55% off
      HK$1,860 HK$837
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Oct 26 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Oct 28 | Frontier Airlines
      HK$474 HK$5,994
      92% off
      92% off
      HK$5,994 HK$474
    • ORD 07:21
      2h 53m
      Direct
      IAH 10:14
      Chicago - Houston | Wed, Oct 28 | American Airlines
      HK$826 HK$5,994
      86% off
      86% off
      HK$5,994 HK$826
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Oct 27 | Frontier Airlines
      HK$1,072 HK$5,994
      82% off
      82% off
      HK$5,994 HK$1,072
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Sat, Oct 31 | Frontier Airlines
      HK$1,179
      80% off
      HK$5,994 HK$1,179
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Oct 29 | Frontier Airlines
      HK$1,427
      76% off
      HK$5,994 HK$1,427
    • ORD 07:40
      2h 59m
      Direct
      IAH 10:39
      Chicago - Houston | Mon, Oct 26 | Frontier Airlines
      HK$1,449
      76% off
      HK$5,994 HK$1,449
    • ORD 07:40
      2h 59m
      Direct
      IAH 10:39
      Chicago - Houston | Sun, Oct 25 | Frontier Airlines
      HK$1,498
      75% off
      HK$5,994 HK$1,498
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Fri, Oct 30 | Frontier Airlines
      HK$1,887
      69% off
      HK$5,994 HK$1,887
    • ORD 07:21
      2h 53m
      Direct
      IAH 10:14
      Chicago - Houston | Tue, Oct 27 | American Airlines
      HK$2,066
      66% off
      HK$5,994 HK$2,066
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Oct 26 | Normal Airline
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    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Fri, Jan 8 | American Airlines
      HK$828 HK$4,702
      82% off
      82% off
      HK$4,702 HK$828
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Thu, Jan 7 | American Airlines
      HK$1,169 HK$4,702
      75% off
      75% off
      HK$4,702 HK$1,169
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Wed, Jan 6 | American Airlines
      HK$1,169 HK$4,702
      75% off
      75% off
      HK$4,702 HK$1,169
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Wed, Oct 28 | American Airlines
      HK$826
      82% off
      HK$4,702 HK$826
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Tue, Oct 27 | American Airlines
      HK$2,066
      56% off
      HK$4,702 HK$2,066
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Sat, Oct 31 | American Airlines
      HK$2,086
      56% off
      HK$4,702 HK$2,086
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Mon, Oct 26 | American Airlines
      HK$2,444
      48% off
      HK$4,702 HK$2,444
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Thu, Oct 29 | American Airlines
      HK$2,487
      47% off
      HK$4,702 HK$2,487
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Sun, Oct 25 | American Airlines
      HK$2,829
      40% off
      HK$4,702 HK$2,829
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Oct 26 | Normal Airline
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Displayed flight fares from Chicago to Houston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from O'Hare International Airport to George Bush Intercontinental Airport

What is the cheapest month to fly from O'Hare International Airport to George Bush Intercontinental Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from O'Hare International Airport to George Bush Intercontinental Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from O'Hare International Airport to George Bush Intercontinental Airport are usually in November, with an average price of HK$975. It is best to avoid March, when the average price can reach HK$1,854.

HK$1,854
HK$1,415
HK$975
HK$536
    Cheapest
  • HK$1,688
    Oct
  • HK$975
    Nov
  • HK$1,250
    Dec
  • HK$1,340
    Jan
  • HK$1,008
    Feb
  • HK$1,854
    Mar
  • HK$1,132
    Apr
  • HK$1,309
    May
  • HK$1,658
    Jun
  • HK$1,373
    Jul
  • HK$1,393
    Aug
  • HK$1,492
    Sep

What is the cheapest day of the week to fly from O'Hare International Airport to George Bush Intercontinental Airport?

The data is based on the past 12 months and shows the average ticket prices from O'Hare International Airport to George Bush Intercontinental Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from O'Hare International Airport to George Bush Intercontinental Airport is Tuesday, with average prices usually lower than other days. Avoid departing on Sunday as prices are typically highest on that day.

HK$1,583
HK$1,402
HK$1,221
HK$1,040
  • HK$1,368
    Mon
  • HK$1,221
    Tue
  • HK$1,287
    Wed
  • HK$1,344
    Thu
  • HK$1,531
    Fri
  • HK$1,544
    Sat
  • HK$1,583
    Sun

Which airline offers the cheapest flights from O'Hare International Airport to George Bush Intercontinental Airport?

The cheapest airline flying from O'Hare International Airport to George Bush Intercontinental Airport is Frontier Airlines (from HK$383) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From HK$383
American Airlines
From HK$730
Delta Air Lines
From HK$767
Jetblue Airways
From HK$957
United Airlines
From HK$1,006
Alaska Airlines
From HK$38,976

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What is the flight schedule from O'Hare International Airport to George Bush Intercontinental Airport?

Check the schedule for flights from Chicago to Houston and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA3144

    O'Hare International Airport

    21:33

    ORD

    2h 53m

    00:26

    IAH

    S M T W T F S
    Search

  2. F93135

    O'Hare International Airport

    16:10

    ORD

    3h

    19:10

    IAH

    S M T W T F S
    Search

  3. F91596

    O'Hare International Airport

    10:26

    ORD

    2h 8m

    Direct

    13:34

    ATL

    S M T W T F S
    Search

  4. F92399

    Hartsfield–Jackson Atlanta International Airport

    09:55

    ATL

    2h 27m

    Direct

    11:22

    IAH

    S M T W T F S

  5. F91596

    O'Hare International Airport

    10:26

    ORD

    2h 8m

    Direct

    13:34

    ATL

    S M T W T F S
    Search

  6. F91403

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    2h 19m

    Direct

    07:19

    IAH

    S M - W T F S

  7. F91596

    O'Hare International Airport

    10:26

    ORD

    2h 8m

    Direct

    13:34

    ATL

    S M T W T F S
    Search

  8. F93217

    Hartsfield–Jackson Atlanta International Airport

    18:35

    ATL

    2h 34m

    Direct

    20:09

    IAH

    - - T - - - -

  9. F92205

    O'Hare International Airport

    08:04

    ORD

    3h 8m

    Direct

    12:12

    FLL

    S - - W T F S
    Search

  10. F91495

    Fort Lauderdale-Hollywood International Airport

    12:47

    FLL

    3h 1m

    Direct

    14:48

    IAH

    S M - W T F S

  11. F92198

    O'Hare International Airport

    19:50

    ORD

    2h 16m

    Direct

    23:06

    ATL

    S M T W T F S
    Search

  12. F91403

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    2h 19m

    Direct

    07:19

    IAH

    S M - W T F S

  13. F91483

    O'Hare International Airport

    06:30

    ORD

    2h 56m

    Direct

    08:26

    DEN

    S M T W T F S
    Search

  14. F93206

    Denver International Airport

    07:47

    DEN

    2h 30m

    Direct

    11:17

    IAH

    S M T W T F S
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About O'Hare International Airport and George Bush Intercontinental Airport

Learn about O'Hare International Airport (ORD) and George Bush Intercontinental Airport (IAH) — including location, terminals, transportation, and travel tips.

Flight distance 1,492.21km
Cheapest one-way ticket price HK$474
Cheapest return ticket price HK$791

FAQs for O'Hare International Airport to George Bush Intercontinental Airport Flights

  • How long is the flight from O'Hare International Airport to George Bush Intercontinental Airport?

    O'Hare International Airport to George Bush Intercontinental Airport takes about 2 hours 30 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 18 daily flights from O'Hare International Airport (ORD) to George Bush Intercontinental Airport (IAH).
  • The earliest flight from O'Hare International Airport to George Bush Intercontinental Airport departs at 05:30, and the last departs at 22:14, with about 23 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from O'Hare International Airport (ORD) to George Bush Intercontinental Airport (IAH) is quite popular. Without considering departure times or holidays, tickets cost around HK$2,249 in October, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 6213 flights per month.
  • One-way flights from O'Hare International Airport to George Bush Intercontinental Airport currently start from HK$489, and round-trip fares start from HK$791. The current lowest fare is a Frontier Airlines flight departing on Tue, Dec 8; prices may vary depending on availability.
  • Yes. United Airlines, American Airlines and Frontier Airlines operate direct flights from O'Hare International Airport to George Bush Intercontinental Airport, with an average flight time of 2 hours 55 minutes, and around 157 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from O'Hare International Airport to George Bush Intercontinental Airport is HK$2,008. Prices may vary depending on the departure date, airline, and availability.
  • Frontier Airlines and Volaris are the most popular budget airlines flying from O'Hare International Airport to George Bush Intercontinental Airport, with one-way fares starting from HK$489. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • O'Hare International Airport to George Bush Intercontinental Airport operates around 159 weekly flights, mainly by United Airlines, American Airlines and Frontier Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter O'Hare International Airport and George Bush Intercontinental Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.