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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 CAD 83 and round-trip from CAD 142. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Thu, Nov 12 | Frontier Airlines
      CAD 83 CAD 161
      48% off
      48% off
      CAD 161 CAD 83
    • Cheapest
      ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Sat, Dec 12 | Frontier Airlines
      CAD 83 CAD 161
      48% off
      48% off
      CAD 161 CAD 83
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Sat, Nov 14 | Frontier Airlines
      CAD 84 CAD 161
      48% off
      48% off
      CAD 161 CAD 84
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Sat, Nov 21 | Frontier Airlines
      CAD 84
      48% off
      CAD 161 CAD 84
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 12 | Frontier Airlines
      CAD 85
      74% off
      CAD 333 CAD 85
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      CAD 87
      74% off
      CAD 333 CAD 87
    • ORD 19:50
      11h 33m
      1 stop
      IAH 07:23
      Chicago - Houston | Sat, Nov 28 | Frontier Airlines
      CAD 88
      45% off
      CAD 161 CAD 88
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Thu, Dec 10 | Frontier Airlines
      CAD 96
      40% off
      CAD 161 CAD 96
    • ORD 07:40
      2h 59m
      Direct
      IAH 10:39
      Chicago - Houston | Sat, Nov 7 | Frontier Airlines
      CAD 99
      39% off
      CAD 161 CAD 99
    • 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 14:46
      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
      CAD 142 CAD 240
      41% off
      41% off
      CAD 240 CAD 142
    • 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
      CAD 143 CAD 240
      40% off
      40% off
      CAD 240 CAD 143
    • 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
      CAD 165 CAD 240
      31% off
      31% off
      CAD 240 CAD 165
    • 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
      CAD 167
      30% off
      CAD 240 CAD 167
    • 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
      CAD 170
      28% off
      CAD 240 CAD 170
    • 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
      CAD 176
      27% off
      CAD 240 CAD 176
    • 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
      CAD 177
      26% off
      CAD 240 CAD 177
    • 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
      CAD 160
      33% off
      CAD 240 CAD 160
    • 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
      CAD 167
      30% off
      CAD 240 CAD 167
    • 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 nonstop
      ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Thu, Nov 12 | Frontier Airlines
      CAD 83 CAD 161
      48% off
      48% off
      CAD 161 CAD 83
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Sat, Dec 12 | Frontier Airlines
      CAD 83 CAD 161
      48% off
      48% off
      CAD 161 CAD 83
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Sat, Nov 14 | Frontier Airlines
      CAD 84 CAD 161
      48% off
      48% off
      CAD 161 CAD 84
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Sat, Nov 21 | Frontier Airlines
      CAD 84
      48% off
      CAD 161 CAD 84
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 12 | Frontier Airlines
      CAD 85
      74% off
      CAD 333 CAD 85
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      CAD 87
      74% off
      CAD 333 CAD 87
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Thu, Dec 10 | Frontier Airlines
      CAD 96
      40% off
      CAD 161 CAD 96
    • ORD 07:40
      2h 59m
      Direct
      IAH 10:39
      Chicago - Houston | Sat, Nov 7 | Frontier Airlines
      CAD 99
      39% off
      CAD 161 CAD 99
    • ORD 07:40
      2h 59m
      Direct
      IAH 10:39
      Chicago - Houston | Wed, Nov 4 | Frontier Airlines
      CAD 108
      33% off
      CAD 161 CAD 108
    • 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
      CAD 85 CAD 333
      74% off
      74% off
      CAD 333 CAD 85
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      CAD 87 CAD 333
      74% off
      74% off
      CAD 333 CAD 87
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Thu, Nov 26 | Frontier Airlines
      CAD 118 CAD 333
      65% off
      65% off
      CAD 333 CAD 118
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      CAD 120
      64% off
      CAD 333 CAD 120
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Sat, Nov 7 | Frontier Airlines
      CAD 132
      60% off
      CAD 333 CAD 132
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Mon, Dec 7 | Frontier Airlines
      CAD 133
      60% off
      CAD 333 CAD 133
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 4 | Frontier Airlines
      CAD 135
      59% off
      CAD 333 CAD 135
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 18 | Frontier Airlines
      CAD 140
      57% off
      CAD 333 CAD 140
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Tue, Nov 24 | Frontier Airlines
      CAD 150
      55% off
      CAD 333 CAD 150
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Oct 26 | Normal Airline
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    • Cheapest nonstop
      ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Oct 28 | Frontier Airlines
      CAD 85 CAD 1,072
      92% off
      92% off
      CAD 1,072 CAD 85
    • ORD 07:21
      2h 53m
      Direct
      IAH 10:14
      Chicago - Houston | Wed, Oct 28 | American Airlines
      CAD 148 CAD 1,072
      86% off
      86% off
      CAD 1,072 CAD 148
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Sat, Oct 31 | Frontier Airlines
      CAD 189 CAD 1,072
      82% off
      82% off
      CAD 1,072 CAD 189
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Oct 27 | Frontier Airlines
      CAD 192
      82% off
      CAD 1,072 CAD 192
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Oct 29 | Frontier Airlines
      CAD 255
      76% off
      CAD 1,072 CAD 255
    • ORD 07:40
      2h 59m
      Direct
      IAH 10:39
      Chicago - Houston | Mon, Oct 26 | Frontier Airlines
      CAD 259
      76% off
      CAD 1,072 CAD 259
    • ORD 07:40
      2h 59m
      Direct
      IAH 10:39
      Chicago - Houston | Sun, Oct 25 | Frontier Airlines
      CAD 268
      75% off
      CAD 1,072 CAD 268
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Fri, Oct 30 | Frontier Airlines
      CAD 336
      69% off
      CAD 1,072 CAD 336
    • ORD 07:21
      2h 53m
      Direct
      IAH 10:14
      Chicago - Houston | Tue, Oct 27 | American Airlines
      CAD 369
      66% off
      CAD 1,072 CAD 369
    • 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
      CAD 148 CAD 832
      82% off
      82% off
      CAD 832 CAD 148
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Thu, Jan 7 | American Airlines
      CAD 209 CAD 832
      75% off
      75% off
      CAD 832 CAD 209
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Wed, Jan 6 | American Airlines
      CAD 209 CAD 832
      75% off
      75% off
      CAD 832 CAD 209
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Wed, Oct 28 | American Airlines
      CAD 148
      82% off
      CAD 832 CAD 148
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Sat, Oct 31 | American Airlines
      CAD 345
      59% off
      CAD 832 CAD 345
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Tue, Oct 27 | American Airlines
      CAD 369
      56% off
      CAD 832 CAD 369
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Mon, Oct 26 | American Airlines
      CAD 437
      47% off
      CAD 832 CAD 437
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Thu, Oct 29 | American Airlines
      CAD 445
      47% off
      CAD 832 CAD 445
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Sun, Oct 25 | American Airlines
      CAD 506
      39% off
      CAD 832 CAD 506
    • 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 CAD 175. It is best to avoid March, when the average price can reach CAD 332.

CAD 332
CAD 254
CAD 175
CAD 97
    Cheapest
  • CAD 302
    Oct
  • CAD 175
    Nov
  • CAD 224
    Dec
  • CAD 240
    Jan
  • CAD 181
    Feb
  • CAD 332
    Mar
  • CAD 203
    Apr
  • CAD 234
    May
  • CAD 297
    Jun
  • CAD 246
    Jul
  • CAD 249
    Aug
  • CAD 267
    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.

CAD 283
CAD 251
CAD 219
CAD 187
  • CAD 245
    Mon
  • CAD 219
    Tue
  • CAD 230
    Wed
  • CAD 240
    Thu
  • CAD 274
    Fri
  • CAD 276
    Sat
  • CAD 283
    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 CAD 79) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From CAD 79
Delta Air Lines
From CAD 147
American Airlines
From CAD 148
Jetblue Airways
From CAD 171
United Airlines
From CAD 191
Alaska Airlines
From CAD 6,964

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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 CAD 83
Cheapest return ticket price CAD 142

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 CAD 402 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 CAD 83, and round-trip fares start from CAD 142. The current lowest fare is a Frontier Airlines flight departing on Thu, Nov 12; 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 3 hours 4 minutes, and around 160 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 CAD 359. 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 CAD 83. 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.

Find Cheap Flights with Trip.com

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 on 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, 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 were updated within the 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.