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O'Hare International Airport to George Bush Intercontinental Airport flight
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O'Hare International Airport to George Bush Intercontinental Airport Flights Info

Cheapest one-way
€67
Frontier Airlines Frontier Airlines 16h 45m · 1 stop Thu, Dec 24
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Cheapest return
€93
Frontier Airlines Frontier Airlines 3h 1m · Direct Fri, Nov 20 - Mon, Nov 23
Book Now
Best time to book
February
Cheapest
Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From €67 Frontier Airlines Frontier AirlinesMost booked

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 €67 and round-trip from €93. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      ORD 16:00
      16h 45m
      1 stop
      IAH 08:45
      Chicago - Houston | Thu, Dec 24 | Frontier Airlines
      €67 €109
      39% off
      39% off
      €109 €67
    • ORD 22:29
      10h 16m
      1 stop
      IAH 08:45
      Chicago - Houston | Wed, Dec 16 | Frontier Airlines
      €74 €109
      32% off
      32% off
      €109 €74
    • ORD 16:00
      18h 11m
      1 stop
      IAH 10:11
      Chicago - Houston | Fri, Dec 25 | Frontier Airlines
      €75 €109
      31% off
      31% off
      €109 €75
    • ORD 22:37
      10h 8m
      1 stop
      IAH 08:45
      Chicago - Houston | Sun, Dec 20 | Frontier Airlines
      €75
      31% off
      €109 €75
    • ORD 08:15
      9h 16m
      1 stop
      IAH 17:31
      Chicago - Houston | Fri, Dec 11 | Frontier Airlines
      €84
      23% off
      €109 €84
    • ORD 15:55
      3h 9m
      Direct
      IAH 19:04
      Chicago - Houston | Sun, Dec 13 | Frontier Airlines
      €84
      23% off
      €109 €84
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Sun, Jan 3 | Frontier Airlines
      €84
      23% off
      €109 €84
    • ORD 06:10
      9h 56m
      1 stop
      IAH 16:06
      Chicago - Houston | Wed, Dec 23 | Frontier Airlines
      €85
      22% off
      €109 €85
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      €85
      45% off
      €155 €85
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 14:46
      3h 1m
      Direct
      IAH 17:47
      Chicago - Houston | Fri, Nov 20 | Frontier Airlines
      IAH 18:42
      2h 52m
      Direct
      ORD 21:34
      Houston - Chicago | Mon, Nov 23 | Frontier Airlines
      €93 €359
      74% off
      74% off
      €359 €93
    • ORD 15:55
      3h 9m
      Direct
      IAH 19:04
      Chicago - Houston | Sun, Dec 13 | Frontier Airlines
      IAH 20:12
      2h 54m
      Direct
      ORD 23:06
      Houston - Chicago | Wed, Dec 16 | Frontier Airlines
      €108 €359
      70% off
      70% off
      €359 €108
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Sat, Nov 21 | Frontier Airlines
      IAH 17:06
      2h 53m
      Direct
      ORD 19:59
      Houston - Chicago | Wed, Nov 25 | Frontier Airlines
      €110 €359
      69% off
      69% off
      €359 €110
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Sat, Nov 28 | Frontier Airlines
      IAH 09:17
      2h 54m
      Direct
      ORD 12:11
      Houston - Chicago | Wed, Dec 2 | Frontier Airlines
      €111
      69% off
      €359 €111
    • ORD 14:46
      3h 1m
      Direct
      IAH 17:47
      Chicago - Houston | Wed, Nov 18 | Frontier Airlines
      IAH 18:42
      2h 52m
      Direct
      ORD 21:34
      Houston - Chicago | Mon, Nov 23 | Frontier Airlines
      €115
      68% off
      €359 €115
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      IAH 18:16
      2h 54m
      Direct
      ORD 21:10
      Houston - Chicago | Mon, Nov 23 | Frontier Airlines
      €115
      68% off
      €359 €115
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Sun, Dec 20 | Frontier Airlines
      IAH 20:12
      2h 54m
      Direct
      ORD 23:06
      Houston - Chicago | Tue, Dec 22 | Frontier Airlines
      €121
      66% off
      €359 €121
    • ORD 15:55
      3h 9m
      Direct
      IAH 19:04
      Chicago - Houston | Sat, Dec 12 | Frontier Airlines
      IAH 20:12
      2h 54m
      Direct
      ORD 23:06
      Houston - Chicago | Tue, Dec 15 | Frontier Airlines
      €211
      41% off
      €359 €211
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Mon, Nov 30 | Frontier Airlines
      IAH 09:17
      2h 54m
      Direct
      ORD 12:11
      Houston - Chicago | Wed, Dec 2 | Frontier Airlines
      €294
      18% off
      €359 €294
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Tue, Nov 17 | Normal Airline
      HOU 15:00
      6h
      Direct
      CHI 16:00
      Houston - Chicago | Thu, Nov 19 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      ORD 15:55
      3h 9m
      Direct
      IAH 19:04
      Chicago - Houston | Sun, Dec 13 | Frontier Airlines
      €84 €109
      23% off
      23% off
      €109 €84
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Sun, Jan 3 | Frontier Airlines
      €84 €109
      23% off
      23% off
      €109 €84
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      €85 €155
      45% off
      45% off
      €155 €85
    • ORD 16:10
      3h
      Direct
      IAH 19:10
      Chicago - Houston | Sat, Jan 2 | Frontier Airlines
      €86
      21% off
      €109 €86
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Mon, Dec 7 | Frontier Airlines
      €86
      45% off
      €155 €86
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Fri, Jan 22 | Frontier Airlines
      €86
      45% off
      €155 €86
    • ORD 16:10
      3h
      Direct
      IAH 19:10
      Chicago - Houston | Thu, Dec 31 | Frontier Airlines
      €88
      43% off
      €155 €88
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Fri, Jan 29 | Frontier Airlines
      €88
      43% off
      €155 €88
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 18 | Frontier Airlines
      €90
      42% off
      €155 €90
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      €85 €341
      75% off
      75% off
      €341 €85
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Mon, Dec 7 | Frontier Airlines
      €86 €341
      75% off
      75% off
      €341 €86
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Fri, Jan 22 | Frontier Airlines
      €86 €341
      75% off
      75% off
      €341 €86
    • ORD 16:10
      3h
      Direct
      IAH 19:10
      Chicago - Houston | Thu, Dec 31 | Frontier Airlines
      €88
      74% off
      €341 €88
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Fri, Jan 29 | Frontier Airlines
      €88
      74% off
      €341 €88
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 18 | Frontier Airlines
      €90
      74% off
      €341 €90
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Thu, Dec 17 | Frontier Airlines
      €93
      73% off
      €341 €93
    • ORD 08:24
      3h 5m
      Direct
      IAH 11:29
      Chicago - Houston | Thu, Jan 14 | Frontier Airlines
      €93
      73% off
      €341 €93
    • ORD 16:34
      3h 9m
      Direct
      IAH 19:43
      Chicago - Houston | Thu, Jan 7 | Frontier Airlines
      €97
      72% off
      €341 €97
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Mon, Nov 16 | Frontier Airlines
      €140 €305
      54% off
      54% off
      €305 €140
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      €85 €305
      72% off
      72% off
      €305 €85
    • ORD 14:22
      3h 3m
      Direct
      IAH 17:25
      Chicago - Houston | Tue, Nov 17 | United Airlines
      €248 €305
      19% off
      19% off
      €305 €248
    • ORD 17:10
      2h 59m
      Direct
      IAH 20:09
      Chicago - Houston | Tue, Nov 17 | American Airlines
      €212
      30% off
      €305 €212
    • ORD 12:40
      3h
      Direct
      IAH 15:40
      Chicago - Houston | Wed, Nov 18 | United Airlines
      €250
      18% off
      €305 €250
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 18 | Frontier Airlines
      €90
      70% off
      €305 €90
    • ORD 07:21
      3h 1m
      Direct
      IAH 10:22
      Chicago - Houston | Thu, Nov 19 | American Airlines
      €227
      26% off
      €305 €227
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      €152
      50% off
      €305 €152
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Fri, Nov 20 | Frontier Airlines
      €147
      52% off
      €305 €147
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Tue, Nov 17 | Normal Airline
      Find more flights
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    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Wed, Jan 6 | American Airlines
      €136 €271
      50% off
      50% off
      €271 €136
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Thu, Jan 7 | American Airlines
      €151 €271
      44% off
      44% off
      €271 €151
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Fri, Jan 8 | American Airlines
      €160 €271
      41% off
      41% off
      €271 €160
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Tue, Jan 12 | American Airlines
      €100
      63% off
      €271 €100
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Thu, Jan 14 | American Airlines
      €135
      50% off
      €271 €135
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Mon, Jan 18 | American Airlines
      €139
      49% off
      €271 €139
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Wed, Jan 13 | American Airlines
      €140
      48% off
      €271 €140
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Thu, Jan 21 | American Airlines
      €168
      38% off
      €271 €168
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Fri, Jan 22 | American Airlines
      €168
      38% off
      €271 €168
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights

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.

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 €67) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
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Frontier Airlines logo Frontier Airlines

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 February, with an average price of €117. It is best to avoid March, when the average price can reach €215.

€215
€166
€117
€68
    Cheapest
  • €119
    Nov
  • €145
    Dec
  • €155
    Jan
  • €117
    Feb
  • €215
    Mar
  • €131
    Apr
  • €152
    May
  • €192
    Jun
  • €159
    Jul
  • €161
    Aug
  • €173
    Sep
  • €206
    Oct

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.

€183
€163
€142
€122
  • €164
    Mon
  • €142
    Tue
  • €151
    Wed
  • €159
    Thu
  • €182
    Fri
  • €180
    Sat
  • €183
    Sun

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. F93135

    O'Hare International Airport

    16:05

    ORD

    3h 15m

    19:20

    IAH

    S - - W T F S
    Search

  2. F92198

    O'Hare International Airport

    19:35

    ORD

    2h 16m

    Direct

    22:51

    ATL

    S M T W - - -
    Search

  3. F94075

    Hartsfield–Jackson Atlanta International Airport

    20:29

    ATL

    2h 24m

    Direct

    21:53

    IAH

    S M T W - - -

  4. F92198

    O'Hare International Airport

    19:35

    ORD

    2h 16m

    Direct

    22:51

    ATL

    S M T W - - -
    Search

  5. F93217

    Hartsfield–Jackson Atlanta International Airport

    13:19

    ATL

    2h 25m

    Direct

    14:44

    IAH

    - - T - T F S

  6. F91596

    O'Hare International Airport

    10:19

    ORD

    2h 13m

    Direct

    13:32

    ATL

    S - - W T F S
    Search

  7. F91403

    Hartsfield–Jackson Atlanta International Airport

    13:10

    ATL

    2h 27m

    Direct

    14:37

    IAH

    S M - W T F S

  8. F91596

    O'Hare International Airport

    10:19

    ORD

    2h 13m

    Direct

    13:32

    ATL

    S - - W T F S
    Search

  9. F93217

    Hartsfield–Jackson Atlanta International Airport

    13:19

    ATL

    2h 25m

    Direct

    14:44

    IAH

    - - T - T F S

  10. F92205

    O'Hare International Airport

    07:55

    ORD

    3h 7m

    Direct

    12:02

    FLL

    S - - W T F S
    Search

  11. F91495

    Fort Lauderdale-Hollywood International Airport

    12:44

    FLL

    3h

    Direct

    14:44

    IAH

    S M - W T F S

  12. F91596

    O'Hare International Airport

    10:19

    ORD

    2h 13m

    Direct

    13:32

    ATL

    S - - W T F S
    Search

  13. F94075

    Hartsfield–Jackson Atlanta International Airport

    20:29

    ATL

    2h 24m

    Direct

    21:53

    IAH

    S M T W - - -

  14. F92198

    O'Hare International Airport

    19:35

    ORD

    2h 16m

    Direct

    22:51

    ATL

    S M T W - - -
    Search

  15. F91403

    Hartsfield–Jackson Atlanta International Airport

    13:10

    ATL

    2h 27m

    Direct

    14:37

    IAH

    S M - W T F S
Find more flights and airlines

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 37 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 17 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 21:35, with about 30 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 €233 in November, 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 €67, and round-trip fares start from €93. The current lowest fare is a Frontier Airlines flight departing on Thu, Dec 24; 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 7 minutes, and around 180 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 €207. Prices may vary depending on the departure date, airline, and availability.
  • Porter Airlines, 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 €67. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • O'Hare International Airport to George Bush Intercontinental Airport operates around 181 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.