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Direct flights from Houston to Ontario

Airlines Schedules Nearby airports that offer flights to ONT

IAH - ONT route map All flights from IAH to ONT non-stop. There are direct flights from George Bush Intcntl Houston (IAH), Texas, USA to Ontario International Airport (ONT), California, USA with United Airlines and Frontier Airlines. 7 weekly departures are currently scheduled on this route. Departure times range from 15:44 to 20:34 depending on the schedule period. The flight distance is 1339 miles (2154 km). Flight time ranges from 3 hours and 21 minutes to 3 hours and 41 minutes.

IAH
George Bush Intcntl Houston
USAHouston , USA
ONT
Ontario Airport
USAOntario , USA
IAH
George Bush Intcntl Houston
USAHouston , USA
Ontario Airport
USAOntario , USA
ONT
Flight time 3h 21min to 3h 41min
Updated Oct 22, 2026
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Airlines with non-stop routes:

United Airlines Star Alliance

Departure times vary between 18:10 and 20:34 • From Terminal C
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M
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7 flights/week
7 flights/week

Frontier Airlines Low-cost carrier

Departs at 15:44 • From Terminal A
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M
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From 20/11
From 20/11
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
View all flight dates
Flight schedule from Houston to Ontario 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
UA1563
20:05
20:05
20:05
20:05
20:05
20:05
20:06

The timetable & schedule information was updated at 2026-10-22

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Flight schedule from Houston to Ontario 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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Houston to Ontario scheduled departures

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

Friday
Fri
Nov 20
2 flights(2)
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)
Time
Airline
Flight
15:44
Frontier Airlines Frontier Airlines
F93131
20:05
United Airlines United Airlines
UA1563
15:44
Frontier Airlines Frontier Airlines
F93131
20:05
United Airlines United Airlines
UA1563
15:44
Frontier Airlines Frontier Airlines
F93131
20:06
United Airlines United Airlines
UA1563
15:44
Frontier Airlines Frontier Airlines
F93131
20:05
United Airlines United Airlines
UA1563
15:44
Frontier Airlines Frontier Airlines
F93131
20:05
United Airlines United Airlines
UA1563
15:44
Frontier Airlines Frontier Airlines
F93131
20:05
United Airlines United Airlines
UA1563
15:44
Frontier Airlines Frontier Airlines
F93131
18:10
United Airlines United Airlines
UA1563
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IAH-ONT flight route
Route map from Houston, IAH to Ontario, ONT. The distance is 1339 miles or 2154 km.
Houston - Ontario direct flight map
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IAH - ONT route facts

  • Distance
    1339 miles (2154 km)
  • Flight time
    3 hours and 21 minutes to 3 hours and 41 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 C
    Frontier Airlines: Terminal A
  • Arrival terminals
    United Airlines: Terminal 2
  • Aircraft
    United Airlines: Boeing 737-800 Passenger, Airbus A320, Boeing 737-900 Passenger, Boeing 737MAX 9 Passenger, Boeing 737-700 Passenger and Airbus A319
    Frontier Airlines: Airbus A320neo

Route FAQ

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

Scheduled flight time from IAH to ONT ranges from 3 hours and 21 minutes to 3 hours and 41 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 15:44 to 20:34 depending on the schedule period.

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

Economy and First are currently scheduled on non-stop flights for this route.
Nearby airports that offer flights to Ontario (ONT)
From Hobby Airport (HOU)

6 flights per week

Direct flights from Houston to CA, USA
From Houston to San Francisco

SFO San Francisco International
From Houston to Sacramento

SMF Sacramento International
From Houston to Los Angeles

LAX Los Angeles International
From Houston to Palm Springs

PSP Palm Springs International
From Houston to Santa Ana

SNA John Wayne Arpt Orange Co
From Houston to San Diego

SAN San Diego International Airport
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