Direct flights from Ontario to Houston (ONT → IAH)

Distance 2,142 km (1,331 mi)
Est. duration 2h 31m
ONT
Ontario
Ontario International Airport, USA
IAH
Houston
George Bush Intcntl Houston, USA
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Live fares · ONT → IAH

Available flights

Frontier AirlinesNon-stop
from$224
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Frequently asked questions

How far is the flight from Ontario to Houston? The flight distance from ONT to IAH is approximately 2,142 km (1,331 miles).
How long is the flight from ONT to IAH? The estimated flight time from Ontario to Houston is approximately 2h 31m.
What airlines fly from ONT to IAH? Airlines operating direct flights from Ontario to Houston include: F9, UA.

Cheapest fares Ontario → Houston

Ontario ONT
Houston IAH
May from $122 June — July from $127 August from $74 September — October from $171

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Ontario → Houston.

Cheap flights from Ontario to Houston Cheapest month to fly to Houston Flights from USA Flights to USA Visa-free with USA passport All airports in USA F9 routes & destinations All routes by this carrier UA routes & destinations All routes by this carrier

Try a nearby airport to Ontario

Flights to Houston (IAH) from other airports within 350 km of Ontario. Often unlocks cheaper fares or better times.

SNA → IAH 48 km from ONT Santa Ana → Houston USA · 48 destinations LGB → IAH 57 km from ONT Long Beach → Houston USA · 18 destinations BUR → IAH 71 km from ONT Burbank → Houston USA · 31 destinations LAX → IAH 75 km from ONT Los Angeles → Houston USA · 181 destinations VNY → IAH 84 km from ONT Los Angeles → Houston USA · 9 destinations

Or try a nearby airport to Houston

Flights from Ontario (ONT) to other airports within 350 km of Houston.

ONT → HOU 38 km from IAH Ontario → Houston USA · 71 destinations ONT → AUS 225 km from IAH Ontario → Austin USA · 98 destinations ONT → SAT 307 km from IAH Ontario → San Antonio USA · 48 destinations ONT → SHV 310 km from IAH Ontario → Shreveport USA · 9 destinations ONT → DAL 349 km from IAH Ontario → Dallas USA · 79 destinations

Other flights from Ontario (ONT)

Atlanta (ATL) Austin (AUS) Baltimore (BWI) Boise (BOI) Charlotte (CLT) Chicago (MDW) Chicago (ORD) Dallas (DAL) All 31 destinations →

Other flights from Houston (IAH)

Abilene (ABI) Acapulco (ACA) Aguascalientes (AGU) Albuquerque (ABQ) Alexandria (AEX) Amarillo (AMA) Amsterdam (AMS) Anchorage (ANC) All 193 destinations →