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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
€56
Frontier Airlines Frontier Airlines 3h · Direct Tue, Jan 12
Book Now
Cheapest return
€123
Frontier Airlines Frontier Airlines 2h 57m · Direct Wed, Nov 25 - Fri, Nov 27
Book Now
Best time to book
February
Cheapest
Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From €56 American Airlines American 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 €56 and round-trip from €123. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Tue, Jan 12 | Frontier Airlines
      €56 €102
      45% off
      45% off
      €102 €56
    • Cheapest
      ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Mon, Jan 11 | Frontier Airlines
      €56 €102
      45% off
      45% off
      €102 €56
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Mon, Dec 14 | Frontier Airlines
      €65 €102
      36% off
      36% off
      €102 €65
    • ORD 08:30
      8h 59m
      1 stop
      IAH 17:29
      Chicago - Houston | Wed, Dec 16 | Frontier Airlines
      €66
      35% off
      €102 €66
    • ORD 06:00
      8h 37m
      1 stop
      IAH 14:37
      Chicago - Houston | Sat, Jan 9 | Frontier Airlines
      €67
      34% off
      €102 €67
    • ORD 08:30
      8h 59m
      1 stop
      IAH 17:29
      Chicago - Houston | Wed, Dec 9 | Frontier Airlines
      €68
      33% off
      €102 €68
    • ORD 08:30
      24h 15m
      1 stop
      IAH 08:45
      Chicago - Houston | Tue, Dec 8 | Frontier Airlines
      €85
      17% off
      €102 €85
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      €85
      42% off
      €146 €85
    • ORD 16:10
      3h
      Direct
      IAH 19:10
      Chicago - Houston | Thu, Dec 24 | Frontier Airlines
      €86
      16% off
      €102 €86
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Nov 16 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Wed, Nov 25 | Frontier Airlines
      IAH 09:17
      2h 54m
      Direct
      ORD 12:11
      Houston - Chicago | Fri, Nov 27 | Frontier Airlines
      €123 €321
      62% off
      62% off
      €321 €123
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Fri, Dec 11 | Frontier Airlines
      IAH 20:12
      2h 54m
      Direct
      ORD 23:06
      Houston - Chicago | Fri, Dec 18 | Frontier Airlines
      €246 €321
      23% off
      23% off
      €321 €246
    • 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 | Tue, Dec 8 | Frontier Airlines
      €247 €321
      23% off
      23% off
      €321 €247
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Sat, Dec 12 | Frontier Airlines
      IAH 20:12
      2h 54m
      Direct
      ORD 23:06
      Houston - Chicago | Mon, Dec 14 | Frontier Airlines
      €263
      18% off
      €321 €263
    • ORD 15:55
      3h 9m
      Direct
      IAH 19:04
      Chicago - Houston | Sat, Dec 5 | Frontier Airlines
      IAH 20:12
      2h 54m
      Direct
      ORD 23:06
      Houston - Chicago | Sat, Dec 12 | Frontier Airlines
      €275
      14% off
      €321 €275
    • ORD 05:25
      2h 57m
      Direct
      IAH 08:22
      Chicago - Houston | Sun, Nov 22 | Frontier Airlines
      IAH 09:17
      2h 54m
      Direct
      ORD 12:11
      Houston - Chicago | Tue, Nov 24 | Frontier Airlines
      €275
      14% off
      €321 €275
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Fri, Nov 20 | Frontier Airlines
      IAH 09:17
      2h 54m
      Direct
      ORD 12:11
      Houston - Chicago | Tue, Nov 24 | Frontier Airlines
      €279
      13% off
      €321 €279
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Tue, Dec 8 | Frontier Airlines
      IAH 21:24
      9h 56m
      1 stop
      ORD 07:20
      Houston - Chicago | Thu, Dec 10 | Frontier Airlines
      €124
      61% off
      €321 €124
    • ORD 09:40
      8h 10m
      1 stop
      IAH 17:50
      Chicago - Houston | Sun, Jan 10 | Frontier Airlines
      IAH 12:01
      12h 17m
      1 stop
      ORD 00:18
      Houston - Chicago | Sun, Jan 17 | Frontier Airlines
      €152
      53% off
      €321 €152
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Nov 16 | Normal Airline
      HOU 15:00
      6h
      Direct
      CHI 16:00
      Houston - Chicago | Wed, Nov 18 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Tue, Jan 12 | Frontier Airlines
      €56 €102
      45% off
      45% off
      €102 €56
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Mon, Jan 11 | Frontier Airlines
      €56 €102
      45% off
      45% off
      €102 €56
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Mon, Dec 14 | Frontier Airlines
      €65 €102
      36% off
      36% off
      €102 €65
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      €85
      42% off
      €146 €85
    • ORD 16:10
      3h
      Direct
      IAH 19:10
      Chicago - Houston | Thu, Dec 24 | Frontier Airlines
      €86
      16% off
      €102 €86
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Mon, Dec 7 | Frontier Airlines
      €86
      16% off
      €102 €86
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Fri, Jan 22 | Frontier Airlines
      €86
      41% off
      €146 €86
    • ORD 16:10
      3h
      Direct
      IAH 19:10
      Chicago - Houston | Tue, Dec 29 | Frontier Airlines
      €88
      14% off
      €102 €88
    • ORD 16:10
      3h
      Direct
      IAH 19:10
      Chicago - Houston | Thu, Dec 31 | Frontier Airlines
      €88
      40% off
      €146 €88
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Nov 16 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Mon, Dec 14 | Frontier Airlines
      €65 €321
      80% off
      80% off
      €321 €65
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      €85 €321
      74% off
      74% off
      €321 €85
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Mon, Dec 7 | Frontier Airlines
      €86 €321
      73% off
      73% off
      €321 €86
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Fri, Jan 22 | Frontier Airlines
      €86
      73% off
      €321 €86
    • ORD 16:10
      3h
      Direct
      IAH 19:10
      Chicago - Houston | Thu, Dec 31 | Frontier Airlines
      €88
      73% off
      €321 €88
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Fri, Jan 29 | Frontier Airlines
      €88
      73% off
      €321 €88
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 18 | Frontier Airlines
      €90
      72% off
      €321 €90
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Thu, Dec 17 | Frontier Airlines
      €93
      71% off
      €321 €93
    • ORD 08:24
      3h 5m
      Direct
      IAH 11:29
      Chicago - Houston | Thu, Jan 14 | Frontier Airlines
      €93
      71% off
      €321 €93
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Nov 16 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 07:21
      2h 54m
      Direct
      IAH 10:15
      Chicago - Houston | Sun, Nov 15 | American Airlines
      €219 €292
      25% off
      25% off
      €292 €219
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Sun, Nov 15 | Frontier Airlines
      €183 €292
      37% off
      37% off
      €292 €183
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Mon, Nov 16 | Frontier Airlines
      €131 €292
      55% off
      55% off
      €292 €131
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      €85
      71% off
      €292 €85
    • ORD 14:22
      3h 3m
      Direct
      IAH 17:25
      Chicago - Houston | Tue, Nov 17 | United Airlines
      €254
      13% off
      €292 €254
    • ORD 12:40
      3h
      Direct
      IAH 15:40
      Chicago - Houston | Wed, Nov 18 | United Airlines
      €250
      14% off
      €292 €250
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 18 | Frontier Airlines
      €90
      69% off
      €292 €90
    • ORD 07:21
      3h 1m
      Direct
      IAH 10:22
      Chicago - Houston | Thu, Nov 19 | American Airlines
      €227
      22% off
      €292 €227
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      €152
      48% off
      €292 €152
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Nov 16 | 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 €252
      46% off
      46% off
      €252 €136
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Thu, Jan 7 | American Airlines
      €150 €252
      40% off
      40% off
      €252 €150
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Fri, Jan 8 | American Airlines
      €160 €252
      37% off
      37% off
      €252 €160
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Thu, Jan 14 | American Airlines
      €135
      46% off
      €252 €135
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Mon, Jan 18 | American Airlines
      €139
      45% off
      €252 €139
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Wed, Jan 13 | American Airlines
      €139
      45% off
      €252 €139
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Fri, Jan 22 | American Airlines
      €168
      33% off
      €252 €168
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Fri, Jan 29 | American Airlines
      €173
      31% off
      €252 €173
    • ORD 20:46
      2h 51m
      Direct
      IAH 23:37
      Chicago - Houston | Sun, Jan 10 | American Airlines
      €177
      30% off
      €252 €177
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Mon, Nov 16 | Normal Airline
      Find more flights
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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.

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 €56) among 2 carriers operating this route. Based on Trip.com's latest 7-day flight data.
IndiGo logo IndiGo Air India logo Air India Air India Express logo Air India Express Akasa Air logo Akasa Air Spicejet logo Spicejet
American Airlines logo American Airlines United Airlines logo United 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
  • €163
    Mon
  • €142
    Tue
  • €151
    Wed
  • €159
    Thu
  • €182
    Fri
  • €179
    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 - S
    Search

  2. F92198

    O'Hare International Airport

    13:33

    ORD

    2h 13m

    Direct

    16:46

    ATL

    S M T W - F S
    Search

  3. F94075

    Hartsfield–Jackson Atlanta International Airport

    20:29

    ATL

    2h 24m

    Direct

    21:53

    IAH

    S M T W - F S

  4. F92198

    O'Hare International Airport

    13:33

    ORD

    2h 13m

    Direct

    16:46

    ATL

    S M T W - F S
    Search

  5. F93217

    Hartsfield–Jackson Atlanta International Airport

    13:19

    ATL

    2h 25m

    Direct

    14:44

    IAH

    - - T - T - -

  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 - -

  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. F91442

    O'Hare International Airport

    22:29

    ORD

    2h 8m

    Direct

    01:37

    ATL

    - - - W T - -
    Search

  13. F91403

    Hartsfield–Jackson Atlanta International Airport

    13:10

    ATL

    2h 27m

    Direct

    14:37

    IAH

    S M - W T F S

  14. F91596

    O'Hare International Airport

    10:19

    ORD

    2h 13m

    Direct

    13:32

    ATL

    S - - W T F S
    Search

  15. F94075

    Hartsfield–Jackson Atlanta International Airport

    20:29

    ATL

    2h 24m

    Direct

    21:53

    IAH

    S M T W - F S

  16. B6864

    O'Hare International Airport

    14:59

    ORD

    3h 11m

    Direct

    19:10

    FLL

    S M T W T F S
    Search

  17. F91495

    Fort Lauderdale-Hollywood International Airport

    12:44

    FLL

    3h

    Direct

    14:44

    IAH

    S M - W T F S
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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 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 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 €244 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 €56, and round-trip fares start from €123. The current lowest fare is a Frontier Airlines flight departing on Tue, Jan 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 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 €56. 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.

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