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George Bush Intercontinental Airport to O'Hare Intl. Airport flight

Explore the cheapest one-way and round-trip flights from George Bush Intercontinental Airport to O'Hare Intl. Airport over the next 90 days, with one-way fares from HK$403 and round-trip from HK$773. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      IAH 6:42 PM
      2h 52m
      Nonstop
      ORD 9:34 PM
      Houston - Chicago | Wed, Nov 11 | Frontier Airlines
      ORD 2:46 PM
      3h 1m
      Nonstop
      IAH 5:47 PM
      Chicago - Houston | Sat, Nov 14 | Frontier Airlines
      HK$773 HK$1,244
      38% off
      38% off
      HK$1,244 HK$773
    • IAH 6:42 PM
      2h 52m
      Nonstop
      ORD 9:34 PM
      Houston - Chicago | Wed, Nov 4 | Frontier Airlines
      ORD 2:46 PM
      3h 1m
      Nonstop
      IAH 5:47 PM
      Chicago - Houston | Wed, Nov 11 | Frontier Airlines
      HK$822 HK$1,244
      34% off
      34% off
      HK$1,244 HK$822
    • IAH 5:06 PM
      2h 53m
      Nonstop
      ORD 7:59 PM
      Houston - Chicago | Thu, Nov 19 | Frontier Airlines
      ORD 5:25 AM
      2h 57m
      Nonstop
      IAH 8:22 AM
      Chicago - Houston | Mon, Nov 23 | Frontier Airlines
      HK$915 HK$1,244
      26% off
      26% off
      HK$1,244 HK$915
    • IAH 5:06 PM
      2h 53m
      Nonstop
      ORD 7:59 PM
      Houston - Chicago | Thu, Nov 12 | Frontier Airlines
      ORD 1:04 PM
      3h 7m
      Nonstop
      IAH 4:11 PM
      Chicago - Houston | Mon, Nov 16 | Frontier Airlines
      HK$933
      25% off
      HK$1,244 HK$933
    • IAH 8:03 PM
      2h 51m
      Nonstop
      ORD 10:54 PM
      Houston - Chicago | Fri, Dec 4 | Frontier Airlines
      ORD 4:08 PM
      3h 9m
      Nonstop
      IAH 7:17 PM
      Chicago - Houston | Mon, Dec 7 | Frontier Airlines
      HK$933
      25% off
      HK$1,244 HK$933
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Fri, Dec 11 | Frontier Airlines
      ORD 4:08 PM
      3h 9m
      Nonstop
      IAH 7:17 PM
      Chicago - Houston | Mon, Dec 14 | Frontier Airlines
      HK$940
      24% off
      HK$1,244 HK$940
    • IAH 8:03 PM
      2h 51m
      Nonstop
      ORD 10:54 PM
      Houston - Chicago | Thu, Dec 3 | Frontier Airlines
      ORD 4:08 PM
      3h 9m
      Nonstop
      IAH 7:17 PM
      Chicago - Houston | Mon, Dec 7 | Frontier Airlines
      HK$941
      24% off
      HK$1,244 HK$941
    • IAH 6:42 PM
      2h 52m
      Nonstop
      ORD 9:34 PM
      Houston - Chicago | Tue, Nov 3 | Frontier Airlines
      ORD 2:46 PM
      3h 1m
      Nonstop
      IAH 5:47 PM
      Chicago - Houston | Wed, Nov 11 | Frontier Airlines
      HK$976
      22% off
      HK$1,244 HK$976
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Thu, Dec 10 | Frontier Airlines
      ORD 4:08 PM
      3h 9m
      Nonstop
      IAH 7:17 PM
      Chicago - Houston | Mon, Dec 14 | Frontier Airlines
      HK$982
      21% off
      HK$1,244 HK$982
    • HOU 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Houston - Chicago | Wed, Nov 4 | Normal Airline
      CHI 3:00 PM
      6h
      Nonstop
      HOU 4:00 PM
      Chicago - Houston | Fri, Nov 6 | Normal Airline
      Find more flights
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    • Cheapest
      IAH 8:38 PM
      2h 54m
      Nonstop
      ORD 11:32 PM
      Houston - Chicago | Fri, Jan 8 | Frontier Airlines
      HK$403 HK$1,712
      76% off
      76% off
      HK$1,712 HK$403
    • IAH 9:24 PM
      9h 56m
      1 stop
      ORD 7:20 AM
      Houston - Chicago | Wed, Dec 9 | Frontier Airlines
      HK$444 HK$818
      46% off
      46% off
      HK$818 HK$444
    • IAH 9:41 AM
      21h 36m
      1 stop
      ORD 7:17 AM
      Houston - Chicago | Wed, Dec 2 | Frontier Airlines
      HK$449 HK$818
      45% off
      45% off
      HK$818 HK$449
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Mon, Dec 7 | Frontier Airlines
      HK$476
      42% off
      HK$818 HK$476
    • IAH 6:16 PM
      2h 54m
      Nonstop
      ORD 9:10 PM
      Houston - Chicago | Sat, Nov 14 | Frontier Airlines
      HK$481
      72% off
      HK$1,712 HK$481
    • IAH 9:24 PM
      9h 51m
      1 stop
      ORD 7:15 AM
      Houston - Chicago | Thu, Dec 3 | Frontier Airlines
      HK$489
      40% off
      HK$818 HK$489
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Tue, Dec 22 | Frontier Airlines
      HK$491
      40% off
      HK$818 HK$491
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Sun, Dec 6 | Frontier Airlines
      HK$560
      32% off
      HK$818 HK$560
    • IAH 5:11 PM
      23h 48m
      1 stop
      ORD 4:59 PM
      Houston - Chicago | Mon, Dec 28 | Frontier Airlines
      HK$563
      31% off
      HK$818 HK$563
    • HOU 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Houston - Chicago | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      IAH 8:38 PM
      2h 54m
      Nonstop
      ORD 11:32 PM
      Houston - Chicago | Fri, Jan 8 | Frontier Airlines
      HK$403 HK$1,712
      76% off
      76% off
      HK$1,712 HK$403
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Mon, Dec 7 | Frontier Airlines
      HK$476 HK$818
      42% off
      42% off
      HK$818 HK$476
    • IAH 6:16 PM
      2h 54m
      Nonstop
      ORD 9:10 PM
      Houston - Chicago | Sat, Nov 14 | Frontier Airlines
      HK$481 HK$1,712
      72% off
      72% off
      HK$1,712 HK$481
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Tue, Dec 22 | Frontier Airlines
      HK$491
      40% off
      HK$818 HK$491
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Sun, Dec 6 | Frontier Airlines
      HK$560
      32% off
      HK$818 HK$560
    • IAH 9:17 AM
      2h 54m
      Nonstop
      ORD 12:11 PM
      Houston - Chicago | Thu, Nov 26 | Frontier Airlines
      HK$599
      27% off
      HK$818 HK$599
    • IAH 5:06 PM
      2h 53m
      Nonstop
      ORD 7:59 PM
      Houston - Chicago | Mon, Nov 9 | Frontier Airlines
      HK$607
      26% off
      HK$818 HK$607
    • IAH 8:03 PM
      2h 54m
      Nonstop
      ORD 10:57 PM
      Houston - Chicago | Wed, Jan 6 | Frontier Airlines
      HK$621
      64% off
      HK$1,712 HK$621
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Fri, Jan 1 | Frontier Airlines
      HK$675
      61% off
      HK$1,712 HK$675
    • HOU 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Houston - Chicago | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      IAH 8:38 PM
      2h 54m
      Nonstop
      ORD 11:32 PM
      Houston - Chicago | Fri, Jan 8 | Frontier Airlines
      HK$403 HK$2,359
      83% off
      83% off
      HK$2,359 HK$403
    • IAH 6:16 PM
      2h 54m
      Nonstop
      ORD 9:10 PM
      Houston - Chicago | Sat, Nov 14 | Frontier Airlines
      HK$481 HK$2,359
      80% off
      80% off
      HK$2,359 HK$481
    • IAH 9:17 AM
      2h 54m
      Nonstop
      ORD 12:11 PM
      Houston - Chicago | Thu, Nov 26 | Frontier Airlines
      HK$599 HK$2,359
      75% off
      75% off
      HK$2,359 HK$599
    • IAH 8:03 PM
      2h 54m
      Nonstop
      ORD 10:57 PM
      Houston - Chicago | Wed, Jan 6 | Frontier Airlines
      HK$621
      74% off
      HK$2,359 HK$621
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Fri, Jan 1 | Frontier Airlines
      HK$675
      71% off
      HK$2,359 HK$675
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Fri, Dec 11 | Frontier Airlines
      HK$688
      71% off
      HK$2,359 HK$688
    • IAH 10:20 PM
      2h 48m
      Nonstop
      ORD 1:08 AM
      Houston - Chicago | Mon, Dec 21 | Frontier Airlines
      HK$720
      69% off
      HK$2,359 HK$720
    • IAH 8:38 PM
      2h 54m
      Nonstop
      ORD 11:32 PM
      Houston - Chicago | Sat, Jan 9 | Frontier Airlines
      HK$740
      69% off
      HK$2,359 HK$740
    • IAH 8:12 PM
      2h 54m
      Nonstop
      ORD 11:06 PM
      Houston - Chicago | Thu, Dec 17 | Frontier Airlines
      HK$802
      66% off
      HK$2,359 HK$802
    • HOU 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Houston - Chicago | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      IAH 6:16 PM
      2h 54m
      Nonstop
      ORD 9:10 PM
      Houston - Chicago | Sat, Nov 7 | Frontier Airlines
      HK$481 HK$2,368
      80% off
      80% off
      HK$2,368 HK$481
    • IAH 6:16 PM
      2h 54m
      Nonstop
      ORD 9:10 PM
      Houston - Chicago | Tue, Nov 3 | Frontier Airlines
      HK$482 HK$2,368
      80% off
      80% off
      HK$2,368 HK$482
    • IAH 6:16 PM
      2h 54m
      Nonstop
      ORD 9:10 PM
      Houston - Chicago | Wed, Nov 4 | Frontier Airlines
      HK$758 HK$2,368
      68% off
      68% off
      HK$2,368 HK$758
    • IAH 5:06 PM
      2h 53m
      Nonstop
      ORD 7:59 PM
      Houston - Chicago | Thu, Nov 5 | Frontier Airlines
      HK$1,179
      50% off
      HK$2,368 HK$1,179
    • IAH 5:06 PM
      2h 53m
      Nonstop
      ORD 7:59 PM
      Houston - Chicago | Fri, Nov 6 | Frontier Airlines
      HK$1,215
      49% off
      HK$2,368 HK$1,215
    • IAH 5:06 PM
      2h 53m
      Nonstop
      ORD 7:59 PM
      Houston - Chicago | Mon, Nov 9 | Frontier Airlines
      HK$1,235
      48% off
      HK$2,368 HK$1,235
    • IAH 5:06 PM
      2h 53m
      Nonstop
      ORD 7:59 PM
      Houston - Chicago | Sun, Nov 8 | Frontier Airlines
      HK$1,258
      47% off
      HK$2,368 HK$1,258
    • IAH 7:37 AM
      2h 53m
      Nonstop
      ORD 10:30 AM
      Houston - Chicago | Thu, Nov 5 | American Airlines
      HK$1,841
      22% off
      HK$2,368 HK$1,841
    • IAH 7:37 AM
      2h 53m
      Nonstop
      ORD 10:30 AM
      Houston - Chicago | Sat, Nov 7 | American Airlines
      HK$1,841
      22% off
      HK$2,368 HK$1,841
    • HOU 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Houston - Chicago | Wed, Nov 4 | Normal Airline
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    • IAH 10:07 PM
      2h 38m
      Nonstop
      ORD 12:45 AM
      Houston - Chicago | Tue, Dec 8 | United Airlines
      HK$1,489 HK$2,460
      39% off
      39% off
      HK$2,460 HK$1,489
    • IAH 10:07 PM
      2h 38m
      Nonstop
      ORD 12:45 AM
      Houston - Chicago | Thu, Dec 3 | United Airlines
      HK$1,566 HK$2,460
      36% off
      36% off
      HK$2,460 HK$1,566
    • IAH 10:07 PM
      2h 38m
      Nonstop
      ORD 12:45 AM
      Houston - Chicago | Wed, Dec 16 | United Airlines
      HK$1,568 HK$2,460
      36% off
      36% off
      HK$2,460 HK$1,568
    • IAH 10:07 PM
      2h 38m
      Nonstop
      ORD 12:45 AM
      Houston - Chicago | Tue, Dec 1 | United Airlines
      HK$1,569
      36% off
      HK$2,460 HK$1,569
    • IAH 10:07 PM
      2h 38m
      Nonstop
      ORD 12:45 AM
      Houston - Chicago | Wed, Dec 9 | United Airlines
      HK$1,577
      36% off
      HK$2,460 HK$1,577
    • IAH 10:07 PM
      2h 38m
      Nonstop
      ORD 12:45 AM
      Houston - Chicago | Sun, Dec 13 | United Airlines
      HK$1,943
      21% off
      HK$2,460 HK$1,943
    • IAH 10:05 PM
      2h 39m
      Nonstop
      ORD 12:44 AM
      Houston - Chicago | Thu, Dec 24 | United Airlines
      HK$1,388
      44% off
      HK$2,460 HK$1,388
    • IAH 10:05 PM
      2h 39m
      Nonstop
      ORD 12:44 AM
      Houston - Chicago | Wed, Dec 30 | United Airlines
      HK$1,536
      38% off
      HK$2,460 HK$1,536
    • IAH 10:05 PM
      2h 39m
      Nonstop
      ORD 12:44 AM
      Houston - Chicago | Sat, Dec 26 | United Airlines
      HK$1,712
      30% off
      HK$2,460 HK$1,712
    • HOU 1:00 PM
      17h 25m
      1 stop
      CHI 2:00 PM
      Houston - Chicago | Wed, Nov 4 | Normal Airline
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Displayed flight fares from Houston to Chicago 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 George Bush Intercontinental Airport to O'Hare Intl. Airport

What is the cheapest month for one-way flights from George Bush Intercontinental Airport to O'Hare Intl. Airport?

Data is based on average one-way flight prices from George Bush Intercontinental Airport to O'Hare Intl. Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from George Bush Intercontinental Airport to O'Hare Intl. Airport, the best time to buy is in April, with an average price of HK$1,063. You’ll want to avoid July, when the average price can reach as high as HK$1,647.

HK$1,647
HK$1,355
HK$1,063
HK$771
    Cheapest
  • HK$1,435
    Nov
  • HK$1,106
    Dec
  • HK$1,200
    Jan
  • HK$1,196
    Feb
  • HK$1,580
    Mar
  • HK$1,063
    Apr
  • HK$1,140
    May
  • HK$1,534
    Jun
  • HK$1,647
    Jul
  • HK$1,475
    Aug
  • HK$1,347
    Sep
  • HK$1,631
    Oct

What’s the cheapest month to fly round-trip from George Bush Intercontinental Airport to O'Hare Intl. Airport?

The data is based on the past 12 months and shows the average monthly round-trip fares from George Bush Intercontinental Airport to O'Hare Intl. Airport in the Trip.com database.

Based on Trip.com’s data from the past 12 months, November is typically the cheapest month to find flights from George Bush Intercontinental Airport to O'Hare Intl. Airport, with an average price of HK$238. In contrast, May is usually the most expensive month, with average fares reaching HK$3,964.

HK$3,964
HK$2,101
HK$238
0
  • HK$238
    Nov
  • HK$2,128
    Dec
  • HK$1,774
    Jan
  • HK$1,171
    Feb
  • HK$2,217
    Mar
  • HK$2,675
    Apr
  • HK$3,964
    May
  • HK$3,045
    Jun
  • HK$1,472
    Jul
  • HK$2,469
    Aug
  • HK$1,999
    Sep
  • HK$2,824
    Oct

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

The data is based on the past 12 months and shows the average ticket prices from George Bush Intercontinental Airport to O'Hare Intl. 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 day to depart from George Bush Intercontinental Airport to O'Hare Intl. Airport is Thursday, with average fares typically lower than other days. You’ll want to avoid flying on Saturday, as ticket prices are usually the highest that day.

HK$1,558
HK$1,393
HK$1,227
HK$1,062
    Cheapest
  • HK$1,308
    Mon
  • HK$1,441
    Tue
  • HK$1,271
    Wed
  • HK$1,227
    Thu
  • HK$1,411
    Fri
  • HK$1,558
    Sat
  • HK$1,469
    Sun

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

The cheapest airline flying from George Bush Intercontinental Airport to O'Hare Intl. Airport is Frontier Airlines (from HK$444) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From HK$444
Delta Air Lines
From HK$796
American Airlines
From HK$824
Jetblue Airways
From HK$1,099
United Airlines
From HK$1,175

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. F91882

    George Bush Intercontinental Airport

    8:09 PM

    IAH

    2h 52m

    11:01 PM

    ORD

    - - - W - - S
    Search

  2. F94978

    George Bush Intercontinental Airport

    4:21 PM

    IAH

    2h 32m

    Nonstop

    7:53 PM

    MCO

    - M T - - - -
    Search

  3. F92791

    Orlando Intl. Airport

    2:52 PM

    MCO

    3h 15m

    Nonstop

    5:07 PM

    ORD

    - M T - - F -

  4. F94106

    George Bush Intercontinental Airport

    7:50 PM

    IAH

    2h 22m

    Nonstop

    11:12 PM

    ATL

    S - T W T - S
    Search

  5. F91441

    Hartsfield–Jackson Atlanta International Airport

    11:35 AM

    ATL

    2h 16m

    Nonstop

    12:51 PM

    ORD

    S - - W T F S

  6. F91404

    George Bush Intercontinental Airport

    7:19 AM

    IAH

    2h 24m

    Nonstop

    10:43 AM

    ATL

    S M T W T F S
    Search

  7. F91595

    Hartsfield–Jackson Atlanta International Airport

    5:15 PM

    ATL

    2h 30m

    Nonstop

    6:45 PM

    ORD

    S M T W T F S

  8. F91404

    George Bush Intercontinental Airport

    7:19 AM

    IAH

    2h 24m

    Nonstop

    10:43 AM

    ATL

    S M T W T F S
    Search

  9. F91441

    Hartsfield–Jackson Atlanta International Airport

    11:35 AM

    ATL

    2h 16m

    Nonstop

    12:51 PM

    ORD

    S - - W T F S

  10. F92400

    George Bush Intercontinental Airport

    7:50 PM

    IAH

    2h 22m

    Nonstop

    11:12 PM

    ATL

    - M - - - F -
    Search

  11. F91595

    Hartsfield–Jackson Atlanta International Airport

    5:15 PM

    ATL

    2h 30m

    Nonstop

    6:45 PM

    ORD

    S M T W T F S

  12. F91496

    George Bush Intercontinental Airport

    8:18 AM

    IAH

    2h 31m

    Nonstop

    11:49 AM

    FLL

    S M - W T F S
    Search

  13. F92206

    Fort Lauderdale-Hollywood International Airport

    2:17 PM

    FLL

    3h 35m

    Nonstop

    4:52 PM

    ORD

    S - - W T F S
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About George Bush Intercontinental Airport and O'Hare Intl. Airport

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

Flight distance 1,492.21 km
Cheapest one-way ticket price HK$403
Cheapest return ticket price HK$773

FAQs for George Bush Intercontinental Airport to O'Hare Intl. Airport Flights

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

    George Bush Intercontinental Airport to O'Hare Intl. Airport takes about 2 hours 21 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 18 daily flights from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD).
  • The earliest flight from George Bush Intercontinental Airport to O'Hare Intl. Airport departs at 05:00, and the last departs at 22:05, with about 31 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from George Bush Intercontinental Airport (IAH) to O'Hare Intl. Airport (ORD) is quite popular. Without considering departure times or holidays, tickets cost around HK$1,983 in November, the most expensive month to book this route.
  • The earliest flight departs from George Bush Intercontinental Airport (IAH) at 06:00 and arrives in O'Hare Intl. Airport (ORD) at 08:47.
  • The latest flight departs from George Bush Intercontinental Airport (IAH) at 21:54 and arrives in O'Hare Intl. Airport (ORD) at 00:26.
    • The distance from O'Hare International Airport to downtown is about 25 km. It takes about 40 minutes by taxi.
    • The distance from Midway International Airport to downtown is about 14 km. It takes about 30 minutes by taxi.
  • The closest airport to O'Hare Intl. Airport (ORD) is Midway International Airport. The distance is around 25 km.
  • United Airlines is a very popular airline operating an average of 7298 flights per month.
  • One-way flights from George Bush Intercontinental Airport to O'Hare Intl. Airport currently start from HK$444, and round-trip fares start from HK$773. The current lowest fare is a Frontier Airlines flight departing on Wed, Dec 9; prices may vary depending on availability.
  • Yes. United Airlines, American Airlines and Frontier Airlines operate direct flights from George Bush Intercontinental Airport to O'Hare Intl. Airport, with an average flight time of 2 hours 39 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 George Bush Intercontinental Airport to O'Hare Intl. Airport is HK$1,738. Prices may vary depending on the departure date, airline, and availability.
  • Frontier Airlines, Porter Airlines and Volaris are the most popular budget airlines flying from George Bush Intercontinental Airport to O'Hare Intl. Airport, with one-way fares starting from HK$444. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • George Bush Intercontinental Airport to O'Hare Intl. Airport operates around 153 weekly flights, mainly by United Airlines, American Airlines and Frontier Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter George Bush Intercontinental Airport and O'Hare Intl. 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 estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.