Flights from Houston to Ontario
IAHONT
George Bush Intercontinental Airport (Houston, United States) → Ontario International Airport (Ontario, United States)
Also known as Houston.
- Nonstop
- 3h 35m
- Distance
- 2,142 km
- Frequency
- 7×/week
- One-way from
- $91
- Airlines
- ATI, United Airlines
Fares by month
One-way, per personLowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.
Weekly schedule
Monday
- UA156320:05→21:403h 35mUnited Airlines
Tuesday
- UA156320:05→21:403h 35mUnited Airlines
Wednesday
- UA156320:05→21:403h 35mUnited Airlines
Thursday
- UA156320:05→21:403h 35mUnited Airlines
Friday
- UA156320:05→21:403h 35mUnited Airlines
Saturday
- UA156320:05→21:403h 35mUnited Airlines
Sunday
- UA156320:06→21:413h 35mUnited Airlines
Houston to Ontario — frequently asked
- How long is the flight from Houston to Ontario?
- IAH–ONT is 3h 35m nonstop, covering 2,142 km (1,331 mi).
- Which airlines fly nonstop from Houston to Ontario?
- ATI, United Airlines operate this route nonstop.
- How much is a flight from Houston to Ontario?
- One-way fares on IAH–ONT recently started from $91. The lowest recent fare is for travel in December 2026. Fares change daily, so check current prices before booking.
- How often do flights run from Houston to Ontario?
- The route is served 7 days a week (7 scheduled departures).