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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 Frontier Airlines and United Airlines. 11 weekly departures are currently scheduled on this route. Departure times range from 05:45 to 18:45 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 24 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 24min
Updated Aug 31, 2026
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Airlines with non-stop routes:

Frontier Airlines Low-cost carrier

Departure times vary between 09:33 and 18:45
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
7 flights/week
7 flights/week

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
4 flights/week
4 flights/week
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
View all flight dates
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
Sep 28
Tue
Sep 29
Wed
Sep 30
Thu
Oct 1
Fri
Oct 2
Sat
Oct 3
Sun
Oct 4
F93132
18:45
----
----
18:45
18:45
----
18:45

The timetable & schedule information was updated at 2026-08-31

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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
Sep 28
Tue
Sep 29
Wed
Sep 30
Thu
Oct 1
Fri
Oct 2
Sat
Oct 3
Sun
Oct 4
UA2267
06:00
06:00
----
06:00
06:00
06:00
06:00

The timetable & schedule information was updated at 2026-08-31

RETURN SCHEDULE
CHECK PRICES
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Ontario to Houston scheduled departures

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

Tuesday
Tue
Sep 29
1 flights(1)
Wednesday
Wed
Sep 30
0 flights(0)
Thursday
Thu
Oct 01
2 flights(2)
Friday
Fri
Oct 02
2 flights(2)
Saturday
Sat
Oct 03
1 flights(1)
Sunday
Sun
Oct 04
2 flights(2)
Monday
Mon
Oct 05
2 flights(2)
Time
Airline
Flight
06:00
United Airlines United Airlines
UA2267
06:00
United Airlines United Airlines
UA2267
18:45
Frontier Airlines Frontier Airlines
F93132
06:00
United Airlines United Airlines
UA2267
18:45
Frontier Airlines Frontier Airlines
F93132
06:00
United Airlines United Airlines
UA2267
06:00
United Airlines United Airlines
UA2267
18:45
Frontier Airlines Frontier Airlines
F93132
06:00
United Airlines United Airlines
UA2267
18:45
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 24 minutes
  • Airlines
    Frontier Frontier
    United United
  • Airline alliances
    Low-cost carrier Star Alliance
  • Cabins
    Economy Business First
  • Hub airports
    United Airlines: IAH
  • Departure terminals
    United Airlines: Terminal 2
  • Arrival terminals
    Frontier Airlines: Terminal A
    United Airlines: Terminal C
  • Aircraft
    Frontier Airlines: Airbus A321, Airbus A320neo and Airbus A321neo
    United Airlines: Boeing 737-800 Passenger, Boeing 737-900 Passenger, Airbus A320, Boeing 737MAX 9 Passenger and Boeing 737-700 Passenger

Route FAQ

Frontier Airlines and United Airlines operate non-stop flights from ONT to IAH with 11 weekly departures.

Scheduled flight time from ONT to IAH ranges from 3 hours and 8 minutes to 3 hours and 24 minutes. The route covers 1339 miles (2154 km).

11 weekly departures are currently scheduled on this route, with published departure times ranging from 05:45 to 18:45 depending on the schedule period.

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

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

65 flights per week

From (AUS)

56 flights per week

From (IND)

26 flights per week

From (XPL)

7 flights per week

From (HEZ)

5 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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