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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 route| 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 |
United Airlines and Frontier Airlines operate 1-2/day flights from ONT to IAH. Terminal assignments in the captured sample are not confirmed for your flight; check the airline before travel.
| Airline | Captured frequency | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 1/day | Boeing 737 · Airline terminal guide (confirm for your flight) · Seat map | 05:45 |
| Frontier Airlines | 1/day | Airbus A320 family · Seat map | 17:4318:4320:06 |
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.
The estimated flight time from Ontario (ONT) to Houston (IAH) is about 3h 20m, based on the 1,331-mile flying distance.
Ontario (ONT) to Houston (IAH) is about 1,331 miles by air.
Yes. United Airlines and Frontier Airlines fly nonstop from Ontario (ONT) to Houston (IAH), with 1-2/day departures.
United Airlines and Frontier Airlines fly nonstop from Ontario (ONT) to Houston (IAH).
The ONT–IAH route is flown with Airbus A320 family, Boeing 737.