Airlines with flights from Ontario to Houston
There are four airlines with scheduled flights between ONT and IAH. Both Frontier and United operates non-stop flights from Ontario International Airport to Houston Airport and the flight time is 3 hours and 23 minutes.
There are four airlines with scheduled flights between ONT and IAH. Both Frontier and United operates non-stop flights from Ontario International Airport to Houston Airport and the flight time is 3 hours and 23 minutes. Choose airline
Schedules
Non-stop with Frontier Airlines
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Total flight time: 3 hours and 23 minutes
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Low-cost airline
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8 flights per week
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Airbus A321Airbus A321neo
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with United Airlines
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Total flight time: 3 hours and 15 minutes
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Houston is a United Airlines hub.
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7 flights per week
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Boeing 737-900 PassengerBoeing 737-800 Passenger
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-21
Via Phoenix with American Airlines
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Total flight time: 4h 25m - 6h 30m.
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One World Alliance
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63 flights per week
Flight
AA2710
AA2357
The timetable & schedule information was updated at 2026-04-21
Via Dallas with American Airlines
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Total flight time: 5h 06m - 7h 25m.
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One World Alliance
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119 flights per week
Flight
AA2512
AA3533
AA3583
AA4923
AA1929
AA3555
AA1392
AA2209
AA3193
The timetable & schedule information was updated at 2026-04-21
Via Las Vegas with Frontier Airlines
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Total flight time: 5h 24m - 6h 44m.
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Low-cost airline
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5 flights per week
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Airbus A321Airbus A321neo
Flight
F91966
The timetable & schedule information was updated at 2026-04-21
Via Salt Lake City with Delta Air Lines
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Total flight time: 5h 29m - 7h 19m.
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Sky Team Alliance
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36 flights per week
Flight
DL1299
DL1299
DL2514
The timetable & schedule information was updated at 2026-04-21
