OntariotoHoustonFlight Time
ONT–IAH · Nonstop
Ontario (Ontario International Airport) to Houston (George Bush Intercontinental Airport).
The estimated flight time from Ontario (ONT) to Houston (IAH) is about 3h 20m, covering 1,331 miles. United Airlines and Frontier Airlines fly the route nonstop with 1-2/day departures, from 05:45 to 20:06 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~3h 20m Estimated from great-circle distance — no tracked flights yet. | 1,331 mi | Nonstop | 1-2/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Nonstop airlines from Ontario to Houston
United Airlines and Frontier Airlines operate 1-2/day flights from ONT to IAH. Departures leave from Terminal 2 at ONT.
- First departure
- 05:45
- Last departure
- 20:06
- Cadence
- 4 departures/day
- Scheduled departure times
- 4
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 1/day | Boeing 737 · Terminal 2 · Seat map | 05:45 |
Aircraft on this route
Flying the other way?
IAH to ONT flights — 2/day on 2 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from a full week of published airline schedules for ONT, refreshed on a rolling basis. Frequency uses 13 scheduled departures across 7 observed days; flight time is estimated from flying distance until this route has enough tracked flights for an observed average.
Route FAQ
How long is the flight from Ontario to Houston?
The estimated flight time from Ontario (ONT) to Houston (IAH) is about 3h 20m, based on the 1,331-mile flying distance.
How far is Ontario from Houston?
Ontario (ONT) to Houston (IAH) is about 1,331 miles by air.
Are there nonstop flights from Ontario to Houston?
Yes. United Airlines and Frontier Airlines fly nonstop from Ontario (ONT) to Houston (IAH), with 1-2/day departures.
Which airlines fly from Ontario to Houston?
United Airlines and Frontier Airlines fly nonstop from Ontario (ONT) to Houston (IAH).
What aircraft fly from Ontario to Houston?
The ONT–IAH route is flown with Airbus A320 family, Boeing 737.
Route hubs
Nearby airport options
Near Ontario
- SNA - Santa AnaJohn Wayne/Orange County Airport · 30 mi from ONTFlights from SNA
- BUR - BurbankBob Hope Airport · 44 mi from ONTFlights from BUR
- LAX - Los AngelesLos Angeles International Airport · 47 mi from ONTFlights from LAX
Near Houston
- HOU - HoustonWilliam P Hobby Airport · 24 mi from IAHFlights to HOU