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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 69 and round-trip from CAD 144. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      ORD 14:46
      3h 1m
      Direct
      IAH 17:47
      Chicago - Houston | Mon, Nov 2 | Frontier Airlines
      CAD 69 CAD 177
      61% off
      61% off
      CAD 177 CAD 69
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Mon, Nov 9 | Frontier Airlines
      CAD 88 CAD 177
      50% off
      50% off
      CAD 177 CAD 88
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      CAD 88 CAD 320
      73% off
      73% off
      CAD 320 CAD 88
    • ORD 22:37
      13h 9m
      1 stop
      IAH 11:46
      Chicago - Houston | Sun, Dec 6 | Frontier Airlines
      CAD 95
      46% off
      CAD 177 CAD 95
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Mon, Nov 23 | Frontier Airlines
      CAD 96
      46% off
      CAD 177 CAD 96
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Tue, Nov 24 | Frontier Airlines
      CAD 97
      45% off
      CAD 177 CAD 97
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Mon, Nov 16 | Frontier Airlines
      CAD 101
      43% off
      CAD 177 CAD 101
    • ORD 19:35
      26h 18m
      1 stop
      IAH 21:53
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      CAD 101
      43% off
      CAD 177 CAD 101
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Sun, Dec 6 | Frontier Airlines
      CAD 102
      68% off
      CAD 320 CAD 102
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Fri, Oct 30 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      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 144 CAD 270
      47% off
      47% off
      CAD 270 CAD 144
    • 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 166 CAD 270
      39% off
      39% off
      CAD 270 CAD 166
    • 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 | Mon, Dec 7 | Frontier Airlines
      CAD 166 CAD 270
      39% off
      39% off
      CAD 270 CAD 166
    • 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 171
      37% off
      CAD 270 CAD 171
    • 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 177
      34% off
      CAD 270 CAD 177
    • 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
      34% off
      CAD 270 CAD 177
    • ORD 14:46
      3h 1m
      Direct
      IAH 17:47
      Chicago - Houston | Mon, Nov 9 | Frontier Airlines
      IAH 18:42
      2h 52m
      Direct
      ORD 21:34
      Houston - Chicago | Wed, Nov 11 | Frontier Airlines
      CAD 178
      34% off
      CAD 270 CAD 178
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 10 | Frontier Airlines
      IAH 18:16
      2h 54m
      Direct
      ORD 21:10
      Houston - Chicago | Sat, Nov 14 | Frontier Airlines
      CAD 178
      34% off
      CAD 270 CAD 178
    • 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
      41% off
      CAD 270 CAD 160
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Fri, Oct 30 | Normal Airline
      HOU 15:00
      6h
      Direct
      CHI 16:00
      Houston - Chicago | Sun, Nov 1 | Normal Airline
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    • Cheapest nonstop
      ORD 14:46
      3h 1m
      Direct
      IAH 17:47
      Chicago - Houston | Mon, Nov 2 | Frontier Airlines
      CAD 69 CAD 177
      61% off
      61% off
      CAD 177 CAD 69
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Mon, Nov 9 | Frontier Airlines
      CAD 88 CAD 177
      50% off
      50% off
      CAD 177 CAD 88
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      CAD 88 CAD 320
      73% off
      73% off
      CAD 320 CAD 88
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Mon, Nov 23 | Frontier Airlines
      CAD 96
      46% off
      CAD 177 CAD 96
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Tue, Nov 24 | Frontier Airlines
      CAD 97
      45% off
      CAD 177 CAD 97
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Mon, Nov 16 | Frontier Airlines
      CAD 101
      43% off
      CAD 177 CAD 101
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Sun, Dec 6 | Frontier Airlines
      CAD 102
      68% off
      CAD 320 CAD 102
    • ORD 16:34
      3h 9m
      Direct
      IAH 19:43
      Chicago - Houston | Thu, Jan 7 | Frontier Airlines
      CAD 118
      63% off
      CAD 320 CAD 118
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      CAD 120
      63% off
      CAD 320 CAD 120
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Fri, Oct 30 | Normal Airline
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    • Cheapest nonstop
      ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      CAD 88 CAD 335
      74% off
      74% off
      CAD 335 CAD 88
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Sun, Dec 6 | Frontier Airlines
      CAD 102 CAD 335
      70% off
      70% off
      CAD 335 CAD 102
    • ORD 16:34
      3h 9m
      Direct
      IAH 19:43
      Chicago - Houston | Thu, Jan 7 | Frontier Airlines
      CAD 118 CAD 335
      65% off
      65% off
      CAD 335 CAD 118
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      CAD 120
      64% off
      CAD 335 CAD 120
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Thu, Nov 26 | Frontier Airlines
      CAD 128
      62% off
      CAD 335 CAD 128
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Mon, Dec 7 | Frontier Airlines
      CAD 133
      60% off
      CAD 335 CAD 133
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 4 | Frontier Airlines
      CAD 136
      59% off
      CAD 335 CAD 136
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Sat, Nov 7 | Frontier Airlines
      CAD 136
      59% off
      CAD 335 CAD 136
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 18 | Frontier Airlines
      CAD 140
      57% off
      CAD 335 CAD 140
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Fri, Oct 30 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      ORD 13:04
      3h 5m
      Direct
      IAH 16:09
      Chicago - Houston | Mon, Nov 2 | Frontier Airlines
      CAD 69 CAD 611
      89% off
      89% off
      CAD 611 CAD 69
    • ORD 07:21
      2h 54m
      Direct
      IAH 10:15
      Chicago - Houston | Mon, Nov 2 | American Airlines
      CAD 131 CAD 611
      79% off
      79% off
      CAD 611 CAD 131
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 4 | Frontier Airlines
      CAD 136 CAD 611
      78% off
      78% off
      CAD 611 CAD 136
    • ORD 13:04
      3h 5m
      Direct
      IAH 16:09
      Chicago - Houston | Sun, Nov 1 | Frontier Airlines
      CAD 183
      70% off
      CAD 611 CAD 183
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Sat, Oct 31 | Frontier Airlines
      CAD 207
      66% off
      CAD 611 CAD 207
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Oct 29 | Frontier Airlines
      CAD 211
      65% off
      CAD 611 CAD 211
    • ORD 07:21
      2h 54m
      Direct
      IAH 10:15
      Chicago - Houston | Wed, Nov 4 | American Airlines
      CAD 233
      62% off
      CAD 611 CAD 233
    • ORD 21:35
      2h 55m
      Direct
      IAH 00:30
      Chicago - Houston | Sun, Nov 1 | United Airlines
      CAD 310
      49% off
      CAD 611 CAD 310
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Fri, Oct 30 | Frontier Airlines
      CAD 342
      44% off
      CAD 611 CAD 342
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Fri, Oct 30 | Normal Airline
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    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Thu, Jan 7 | American Airlines
      CAD 147 CAD 853
      83% off
      83% off
      CAD 853 CAD 147
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Fri, Jan 8 | American Airlines
      CAD 149 CAD 853
      83% off
      83% off
      CAD 853 CAD 149
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Wed, Jan 6 | American Airlines
      CAD 210 CAD 853
      75% off
      75% off
      CAD 853 CAD 210
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Thu, Oct 29 | American Airlines
      CAD 330
      61% off
      CAD 853 CAD 330
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Sat, Oct 31 | American Airlines
      CAD 371
      56% off
      CAD 853 CAD 371
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Fri, Oct 30 | American Airlines
      CAD 622
      27% off
      CAD 853 CAD 622
    • ORD 21:05
      2h 52m
      Direct
      IAH 23:57
      Chicago - Houston | Mon, Nov 2 | American Airlines
      CAD 131
      85% off
      CAD 853 CAD 131
    • ORD 21:05
      2h 52m
      Direct
      IAH 23:57
      Chicago - Houston | Thu, Dec 10 | American Airlines
      CAD 211
      75% off
      CAD 853 CAD 211
    • ORD 21:05
      2h 52m
      Direct
      IAH 23:57
      Chicago - Houston | Fri, Dec 11 | American Airlines
      CAD 227
      73% off
      CAD 853 CAD 227
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Fri, Oct 30 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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

Which month has the cheapest one-way flights from O'Hare International Airport to George Bush Intercontinental Airport?

The data is based on Trip.com data from the past 12 months and shows the average one-way fares by month from O'Hare International Airport to George Bush Intercontinental Airport.

Based on Trip.com 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. October sees the highest fares, around CAD 333.

CAD 333
CAD 254
CAD 175
CAD 96
    Cheapest
  • CAD 333
    Oct
  • CAD 175
    Nov
  • CAD 225
    Dec
  • CAD 241
    Jan
  • CAD 181
    Feb
  • CAD 333
    Mar
  • CAD 203
    Apr
  • CAD 235
    May
  • CAD 298
    Jun
  • CAD 247
    Jul
  • CAD 250
    Aug
  • CAD 268
    Sep

Which day of the week has the cheapest flights from O'Hare International Airport to George Bush Intercontinental Airport?

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

Based on Trip.com data from the past 12 months, the cheapest day for flights from O'Hare International Airport to George Bush Intercontinental Airport is Tuesday, with average prices lower than other days. Try to avoid departing on Friday, as fares are typically the highest.

CAD 282
CAD 251
CAD 219
CAD 188
  • CAD 248
    Mon
  • CAD 219
    Tue
  • CAD 234
    Wed
  • CAD 243
    Thu
  • CAD 282
    Fri
  • CAD 277
    Sat
  • CAD 279
    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 69) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From CAD 69
American Airlines
From CAD 131
Delta Air Lines
From CAD 138
Jetblue Airways
From CAD 172
United Airlines
From CAD 181
Alaska Airlines
From CAD 6,991

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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 - - W T F S
    Search

  3. F92198

    O'Hare International Airport

    19:50

    ORD

    2h 16m

    Direct

    23:06

    ATL

    S M T W T F S
    Search

  4. F94075

    Hartsfield–Jackson Atlanta International Airport

    21:05

    ATL

    2h 26m

    Direct

    22:31

    IAH

    S M T W T F S

  5. F91596

    O'Hare International Airport

    07:15

    ORD

    2h 15m

    Direct

    10:30

    ATL

    S - - 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

    07:15

    ORD

    2h 15m

    Direct

    10:30

    ATL

    S - - 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

    08:00

    ORD

    3h 10m

    Direct

    12:10

    FLL

    S - - W T F S
    Search

  10. F91495

    Fort Lauderdale-Hollywood International Airport

    12:44

    FLL

    3h

    Direct

    14:44

    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
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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 69
Cheapest return ticket price CAD 144

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 25 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 336 in October, the most expensive month to book this route.
  • The earliest flight departs from O'Hare International Airport (ORD) at 06:00 and arrives in George Bush Intercontinental Airport (IAH) at 08:57.
  • The latest flight departs from O'Hare International Airport (ORD) at 21:29 and arrives in George Bush Intercontinental Airport (IAH) at 00:30.
  • 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 69, and round-trip fares start from CAD 144. The current lowest fare is a Frontier Airlines flight departing on Mon, Nov 2; 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 CAD 361. 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 69. 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 lowest estimated prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to 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 based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.