Trip.com
>
Flights
>
United States
>
Texas
>
Flights to Houston
>
Chicago to Houston flight
>
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 S$ 63 and round-trip from S$ 131. 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
      S$ 63 S$ 134
      53% off
      53% off
      S$ 134 S$ 63
    • ORD 08:15
      24h 21m
      1 stop
      IAH 08:36
      Chicago - Houston | Tue, Dec 1 | Frontier Airlines
      S$ 65 S$ 134
      51% off
      51% off
      S$ 134 S$ 65
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      S$ 80 S$ 134
      40% off
      40% off
      S$ 134 S$ 80
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Mon, Nov 9 | Frontier Airlines
      S$ 80
      40% off
      S$ 134 S$ 80
    • ORD 08:30
      8h 59m
      1 stop
      IAH 17:29
      Chicago - Houston | Wed, Dec 16 | Frontier Airlines
      S$ 100
      25% off
      S$ 134 S$ 100
    • ORD 22:37
      10h 8m
      1 stop
      IAH 08:45
      Chicago - Houston | Fri, Dec 11 | Frontier Airlines
      S$ 106
      21% off
      S$ 134 S$ 106
    • ORD 16:34
      3h 9m
      Direct
      IAH 19:43
      Chicago - Houston | Thu, Jan 7 | Frontier Airlines
      S$ 108
      55% off
      S$ 239 S$ 108
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      S$ 110
      18% off
      S$ 134 S$ 110
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Fri, Dec 11 | Frontier Airlines
      S$ 112
      53% off
      S$ 239 S$ 112
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Sat, Oct 31 | Normal Airline
      Find more flights
      Find more flights
    • 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
      S$ 131 S$ 203
      35% off
      35% off
      S$ 203 S$ 131
    • 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
      S$ 132 S$ 203
      35% off
      35% off
      S$ 203 S$ 132
    • 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
      S$ 156 S$ 203
      23% off
      23% off
      S$ 203 S$ 156
    • 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
      S$ 157
      23% off
      S$ 203 S$ 157
    • 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
      S$ 162
      20% off
      S$ 203 S$ 162
    • 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
      S$ 162
      20% off
      S$ 203 S$ 162
    • 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
      S$ 163
      20% off
      S$ 203 S$ 163
    • 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
      S$ 180
      11% off
      S$ 203 S$ 180
    • 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
      S$ 146
      28% off
      S$ 203 S$ 146
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Sat, Oct 31 | Normal Airline
      HOU 15:00
      6h
      Direct
      CHI 16:00
      Houston - Chicago | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 14:46
      3h 1m
      Direct
      IAH 17:47
      Chicago - Houston | Mon, Nov 2 | Frontier Airlines
      S$ 63 S$ 134
      53% off
      53% off
      S$ 134 S$ 63
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Tue, Nov 17 | Frontier Airlines
      S$ 80 S$ 134
      40% off
      40% off
      S$ 134 S$ 80
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Mon, Nov 9 | Frontier Airlines
      S$ 80 S$ 134
      40% off
      40% off
      S$ 134 S$ 80
    • ORD 16:34
      3h 9m
      Direct
      IAH 19:43
      Chicago - Houston | Thu, Jan 7 | Frontier Airlines
      S$ 108
      55% off
      S$ 239 S$ 108
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      S$ 110
      18% off
      S$ 134 S$ 110
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Fri, Dec 11 | Frontier Airlines
      S$ 112
      53% off
      S$ 239 S$ 112
    • ORD 18:19
      3h 6m
      Direct
      IAH 21:25
      Chicago - Houston | Mon, Dec 21 | Frontier Airlines
      S$ 118
      12% off
      S$ 134 S$ 118
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Fri, Dec 25 | Frontier Airlines
      S$ 119
      11% off
      S$ 134 S$ 119
    • ORD 21:05
      2h 52m
      Direct
      IAH 23:57
      Chicago - Houston | Mon, Nov 2 | American Airlines
      S$ 120
      84% off
      S$ 751 S$ 120
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Sat, Oct 31 | 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
      S$ 80 S$ 443
      82% off
      82% off
      S$ 443 S$ 80
    • ORD 16:34
      3h 9m
      Direct
      IAH 19:43
      Chicago - Houston | Thu, Jan 7 | Frontier Airlines
      S$ 108 S$ 443
      76% off
      76% off
      S$ 443 S$ 108
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 19 | Frontier Airlines
      S$ 110 S$ 443
      75% off
      75% off
      S$ 443 S$ 110
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Fri, Dec 11 | Frontier Airlines
      S$ 112
      75% off
      S$ 443 S$ 112
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Mon, Dec 7 | Frontier Airlines
      S$ 122
      72% off
      S$ 443 S$ 122
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 4 | Frontier Airlines
      S$ 124
      72% off
      S$ 443 S$ 124
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Sat, Nov 7 | Frontier Airlines
      S$ 124
      72% off
      S$ 443 S$ 124
    • ORD 16:08
      3h
      Direct
      IAH 19:08
      Chicago - Houston | Mon, Dec 14 | Frontier Airlines
      S$ 145
      67% off
      S$ 443 S$ 145
    • ORD 16:08
      3h 9m
      Direct
      IAH 19:17
      Chicago - Houston | Sun, Dec 6 | Frontier Airlines
      S$ 165
      63% off
      S$ 443 S$ 165
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Sat, Oct 31 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      ORD 13:04
      3h 5m
      Direct
      IAH 16:09
      Chicago - Houston | Mon, Nov 2 | Frontier Airlines
      S$ 63 S$ 386
      84% off
      84% off
      S$ 386 S$ 63
    • ORD 07:21
      2h 54m
      Direct
      IAH 10:15
      Chicago - Houston | Mon, Nov 2 | American Airlines
      S$ 120 S$ 386
      69% off
      69% off
      S$ 386 S$ 120
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Wed, Nov 4 | Frontier Airlines
      S$ 124 S$ 386
      68% off
      68% off
      S$ 386 S$ 124
    • ORD 13:04
      3h 5m
      Direct
      IAH 16:09
      Chicago - Houston | Sun, Nov 1 | Frontier Airlines
      S$ 166
      56% off
      S$ 386 S$ 166
    • ORD 13:06
      3h 5m
      Direct
      IAH 16:11
      Chicago - Houston | Fri, Oct 30 | Frontier Airlines
      S$ 193
      50% off
      S$ 386 S$ 193
    • ORD 13:04
      3h 7m
      Direct
      IAH 16:11
      Chicago - Houston | Thu, Nov 5 | Frontier Airlines
      S$ 207
      46% off
      S$ 386 S$ 207
    • ORD 17:10
      2h 59m
      Direct
      IAH 20:09
      Chicago - Houston | Wed, Nov 4 | American Airlines
      S$ 213
      45% off
      S$ 386 S$ 213
    • ORD 21:35
      2h 55m
      Direct
      IAH 00:30
      Chicago - Houston | Sun, Nov 1 | United Airlines
      S$ 283
      27% off
      S$ 386 S$ 283
    • ORD 14:11
      3h 10m
      Direct
      IAH 17:21
      Chicago - Houston | Sat, Oct 31 | Frontier Airlines
      S$ 294
      24% off
      S$ 386 S$ 294
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Sat, Oct 31 | Normal Airline
      Find more flights
      Find more flights
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Thu, Jan 7 | American Airlines
      S$ 134 S$ 751
      82% off
      82% off
      S$ 751 S$ 134
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Fri, Jan 8 | American Airlines
      S$ 136 S$ 751
      82% off
      82% off
      S$ 751 S$ 136
    • ORD 20:46
      2h 45m
      Direct
      IAH 23:31
      Chicago - Houston | Wed, Jan 6 | American Airlines
      S$ 192 S$ 751
      74% off
      74% off
      S$ 751 S$ 192
    • ORD 15:26
      2h 51m
      Direct
      IAH 18:17
      Chicago - Houston | Sun, Jan 10 | American Airlines
      S$ 225
      70% off
      S$ 751 S$ 225
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Sat, Oct 31 | American Airlines
      S$ 301
      60% off
      S$ 751 S$ 301
    • ORD 11:00
      2h 51m
      Direct
      IAH 13:51
      Chicago - Houston | Fri, Oct 30 | American Airlines
      S$ 668
      11% off
      S$ 751 S$ 668
    • ORD 21:05
      2h 52m
      Direct
      IAH 23:57
      Chicago - Houston | Mon, Nov 2 | American Airlines
      S$ 120
      84% off
      S$ 751 S$ 120
    • ORD 21:05
      2h 52m
      Direct
      IAH 23:57
      Chicago - Houston | Fri, Nov 6 | American Airlines
      S$ 171
      77% off
      S$ 751 S$ 171
    • ORD 21:05
      2h 52m
      Direct
      IAH 23:57
      Chicago - Houston | Thu, Dec 10 | American Airlines
      S$ 193
      74% off
      S$ 751 S$ 193
    • CHI 13:00
      17h 25m
      1 stop
      HOU 14:00
      Chicago - Houston | Sat, Oct 31 | Normal Airline
      Find more flights
      Find more flights

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 S$ 160. March sees the highest fares, around S$ 304.

S$ 304
S$ 232
S$ 160
S$ 88
    Cheapest
  • S$ 303
    Oct
  • S$ 160
    Nov
  • S$ 205
    Dec
  • S$ 219
    Jan
  • S$ 165
    Feb
  • S$ 304
    Mar
  • S$ 185
    Apr
  • S$ 214
    May
  • S$ 271
    Jun
  • S$ 225
    Jul
  • S$ 228
    Aug
  • S$ 244
    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.

S$ 257
S$ 229
S$ 200
S$ 172
  • S$ 226
    Mon
  • S$ 200
    Tue
  • S$ 213
    Wed
  • S$ 221
    Thu
  • S$ 257
    Fri
  • S$ 253
    Sat
  • S$ 254
    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 S$ 63) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From S$ 63
American Airlines
From S$ 120
Delta Air Lines
From S$ 126
United Airlines
From S$ 165
Jetblue Airways
From S$ 165
Alaska Airlines
From S$ 6,451

Find more flights and airlines

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. F93217

    Hartsfield–Jackson Atlanta International Airport

    13:25

    ATL

    2h 25m

    Direct

    14:50

    IAH

    - - T - - - -

  7. F92205

    O'Hare International Airport

    08:00

    ORD

    3h 10m

    Direct

    12:10

    FLL

    S - - W T F S
    Search

  8. F91495

    Fort Lauderdale-Hollywood International Airport

    12:44

    FLL

    3h

    Direct

    14:44

    IAH

    S M - W T F S

  9. F92198

    O'Hare International Airport

    19:50

    ORD

    2h 16m

    Direct

    23:06

    ATL

    S M T W T F S
    Search

  10. F91403

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    2h 19m

    Direct

    07:19

    IAH

    S M - W T F S

  11. F91596

    O'Hare International Airport

    07:15

    ORD

    2h 15m

    Direct

    10:30

    ATL

    S - - 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
Find more flights and airlines

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 S$ 63
Cheapest return ticket price S$ 131

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 22:15, with about 41 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 S$ 288 in November, 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 S$ 63, and round-trip fares start from S$ 131. 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 S$ 362. 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 S$ 63. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • O'Hare International Airport to George Bush Intercontinental Airport operates around 170 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.

Popular Destinations & Recommendations

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

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.