Houston (HOU) to Ontario (ONT) flights
One airline flies nonstop from Houston (HOU) to Ontario (ONT): Southwest Airlines. The two airports are 1,342 miles (2,160 km) apart. There are also 13 ways to fly it with one stop, through Phoenix, Austin and Las Vegas and more.
Airlines flying nonstop from HOU to ONT
- Southwest AirlinesNot in an allianceWho books it
HOU to ONT with one stop
13 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Phoenix (PHX)Southwest Airlines the whole way
- Via Austin (AUS)Southwest Airlines the whole way
- Via Las Vegas (LAS)Southwest Airlines the whole way
- Via Dallas (DFW)American Airlines the whole way
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Denver (DEN)Southwest Airlines the whole way
- Via Salt Lake City (SLC)Southwest Airlines, then Delta Air Lines
- Via San Jose (SJC)Southwest Airlines the whole way
- Via Oakland (OAK)Southwest Airlines the whole way
- Via Sacramento (SMF)Southwest Airlines the whole way
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Chicago (MDW)Southwest Airlines the whole way
HOU to ONT: common questions
Which airlines fly nonstop from HOU to ONT?
Southwest Airlines flies nonstop from Houston (HOU) to Ontario (ONT).
How far is Houston from Ontario by plane?
Houston (HOU) and Ontario (ONT) are 1,342 miles (2,160 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does HOU to ONT cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for HOU to ONT with taxes and fees.
Where can I connect between Houston and Ontario?
The most direct connections are through Phoenix (PHX), Austin (AUS), Las Vegas (LAS), Dallas (DFW) and Dallas (DAL). On 12 of them the same airline flies both flights, for example Southwest Airlines through Phoenix.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.