Ontario (ONT) to Sacramento (SMF) flights
2 airlines fly nonstop from Ontario (ONT) to Sacramento (SMF): Frontier Airlines and Southwest Airlines. The two airports are 390 miles (627 km) apart. There are also 6 ways to fly it with one stop, through San Francisco, Las Vegas and Phoenix and more.
Airlines flying nonstop from ONT to SMF
- Frontier AirlinesNot in an allianceWho books it
- Southwest AirlinesNot in an allianceWho books it
ONT to SMF with one stop
6 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via San Francisco (SFO)United Airlines the whole way
- Via Las Vegas (LAS)Southwest Airlines and Frontier Airlines the whole way
- Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Boise (BOI)Alaska Airlines the whole way
- Via Portland (PDX)Alaska Airlines the whole way
ONT to SMF: common questions
Which airlines fly nonstop from ONT to SMF?
Frontier Airlines and Southwest Airlines fly nonstop from Ontario (ONT) to Sacramento (SMF).
How far is Ontario from Sacramento by plane?
Ontario (ONT) and Sacramento (SMF) are 390 miles (627 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does ONT to SMF cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ONT to SMF with taxes and fees.
Where can I connect between Ontario and Sacramento?
The most direct connections are through San Francisco (SFO), Las Vegas (LAS), Phoenix (PHX), Salt Lake City (SLC) and Boise (BOI). On 6 of them the same airline flies both flights, for example United Airlines through San Francisco.
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.