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Direct flights from Ontario to Houston

Airlines Schedules Nearby airports that offer flights to IAH

ONT - IAH route map All flights from ONT to IAH non-stop. There are direct flights from Ontario International Airport (ONT), California, USA to George Bush Intcntl Houston (IAH), Texas, USA with United Airlines and Frontier Airlines. 7 weekly departures are currently scheduled on this route. Departure times range from 05:45 to 07:30 depending on the schedule period. The flight distance is 1339 miles (2154 km). Flight time ranges from 3 hours and 8 minutes to 3 hours and 15 minutes.

ONT
Ontario Airport
USAOntario , USA
IAH
George Bush Intcntl Houston
USAHouston , USA
ONT
Ontario Airport
USAOntario , USA
George Bush Intcntl Houston
USAHouston , USA
IAH
Flight time 3h 8min to 3h 15min
Updated Oct 26, 2026
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Airlines with non-stop routes:

United Airlines Star Alliance

Departure times vary between 05:45 and 06:00 • From Terminal 2
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
7 flights/week
7 flights/week

Frontier Airlines Low-cost carrier

Departs at 07:30
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
From 20/11
From 20/11
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
View all flight dates
Flight schedule from Ontario to Houston with United Airlines

This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Nov 2
Tue
Nov 3
Wed
Nov 4
Thu
Nov 5
Fri
Nov 6
Sat
Nov 7
Sun
Nov 8
UA2267
06:00
06:00
06:00
06:00
06:00
06:00
06:00

The timetable & schedule information was updated at 2026-10-26

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Flight schedule from Ontario to Houston with Frontier Airlines

This is a weekly direct flight schedule for Frontier Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Nov 2
Tue
Nov 3
Wed
Nov 4
Thu
Nov 5
Fri
Nov 6
Sat
Nov 7
Sun
Nov 8

The timetable & schedule information was updated at

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Ontario to Houston scheduled departures

Select a date to see every published non-stop departure between ONT and IAH.

Saturday
Sat
Nov 21
2 flights(2)
Sunday
Sun
Nov 22
2 flights(2)
Monday
Mon
Nov 23
2 flights(2)
Tuesday
Tue
Nov 24
2 flights(2)
Wednesday
Wed
Nov 25
2 flights(2)
Thursday
Thu
Nov 26
2 flights(2)
Friday
Fri
Nov 27
2 flights(2)
Time
Airline
Flight
06:00
United Airlines United Airlines
UA2267
07:30
Frontier Airlines Frontier Airlines
F93132
06:00
United Airlines United Airlines
UA2267
07:30
Frontier Airlines Frontier Airlines
F93132
06:00
United Airlines United Airlines
UA2267
07:30
Frontier Airlines Frontier Airlines
F93132
06:00
United Airlines United Airlines
UA2267
07:30
Frontier Airlines Frontier Airlines
F93132
06:00
United Airlines United Airlines
UA2267
07:30
Frontier Airlines Frontier Airlines
F93132
06:00
United Airlines United Airlines
UA2267
07:30
Frontier Airlines Frontier Airlines
F93132
06:00
United Airlines United Airlines
UA2267
07:30
Frontier Airlines Frontier Airlines
F93132
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ONT-IAH flight route
Route map from Ontario, ONT to Houston, IAH. The distance is 1339 miles or 2154 km.
Ontario - Houston direct flight map
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ONT - IAH route facts

  • Distance
    1339 miles (2154 km)
  • Flight time
    3 hours and 8 minutes to 3 hours and 15 minutes
  • Airlines
    United United
    Frontier Frontier
  • Airline alliances
    Star Alliance Low-cost carrier
  • Cabins
    Economy First
  • Hub airports
    United Airlines: IAH
  • Departure terminals
    United Airlines: Terminal 2
  • Arrival terminals
    United Airlines: Terminal C
    Frontier Airlines: Terminal A
  • Aircraft
    United Airlines: Airbus A319, Boeing 737-800 Passenger, Airbus A320, Boeing 737-900 Passenger, Boeing 737MAX 9 Passenger and Boeing 737-700 Passenger
    Frontier Airlines: Airbus A320neo and Airbus A321neo

Route FAQ

United Airlines and Frontier Airlines operate non-stop flights from ONT to IAH with 7 weekly departures (Nov 2 – Nov 8, 2026).

Scheduled flight time from ONT to IAH ranges from 3 hours and 8 minutes to 3 hours and 15 minutes. The route covers 1339 miles (2154 km).

7 weekly departures (Nov 2 – Nov 8, 2026) are currently scheduled on this route, with published departure times ranging from 05:45 to 07:30 depending on the schedule period.

Departure terminal: United Airlines: Terminal 2. Arrival terminals: United Airlines: Terminal C and Frontier Airlines: Terminal A.

Economy and First are currently scheduled on non-stop flights for this route.
Nearby airports that offer flights to Houston (IAH)
From (MEX)

77 flights per week

From (AUS)

54 flights per week

From (IND)

28 flights per week

From (XPL)

7 flights per week

From (HEZ)

6 flights per week

Direct flights from Ontario to TX, USA
From Ontario to Dallas

DFW Dallas Fort Worth International
From Ontario to Houston

HOU William P. Hobby Airport
From Ontario to Dallas

DAL Dallas Love Fld
From Ontario to Austin

AUS Austin-Bergstrom International Airport
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