Direct flights from Ontario to San Francisco
All flights from ONT to SFO non-stop. There are direct flights from Ontario International Airport (ONT), California, USA to San Francisco International (SFO), California, USA with United Airlines and Frontier Airlines. 28 weekly departures are currently scheduled on this route. Departure times range from 06:00 to 19:13 depending on the schedule period. The flight distance is 364 miles (586 km). Flight time ranges from 1 hour and 24 minutes to 1 hour and 47 minutes.
Ontario
, USA
Airlines with non-stop routes:
United Airlines
Frontier Airlines
Southwest Airlines
Flight schedule from Ontario to San Francisco with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-29
Flight schedule from Ontario to San Francisco with Frontier Airlines
This is a weekly direct flight schedule for Frontier Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-29
Ontario to San Francisco scheduled departures
Select a date to see every published non-stop departure between ONT and SFO.
ONT - SFO route facts
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Distance364 miles (586 km)
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Flight time1 hour and 24 minutes to 1 hour and 47 minutes
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Airlines United Frontier
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Airline alliancesStar Alliance Low-cost carrier
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CabinsEconomy Business First
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Hub airportsUnited Airlines: SFO
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Departure terminalsUnited Airlines: Terminal 2
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Arrival terminalsUnited Airlines: Terminal 3Frontier Airlines: Terminal 1
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AircraftUnited Airlines: Boeing 737MAX 9 Passenger, Airbus A319, Boeing 737MAX 8 Passenger, Boeing 737-800 Passenger, Boeing 737-900 Passenger, Airbus A320, Embraer 175 (Enhanced Winglets) and Canadair (Bombardier) Regional Jet 700 and Challenger 870Frontier Airlines: Airbus A320neo, Airbus A321neo, Airbus A320 and Airbus A321
Route FAQ
Nearby airports that offer flights to San Francisco (SFO)
From (AUS)
57 flights per week
From (MEX)
34 flights per week
From (IND)
12 flights per week
From (BIH)
7 flights per week
Domestic flights from Ontario (ONT)
From Ontario to Seattle
SEA Seattle Tacoma International
From Ontario to Denver
DEN Denver International
From Ontario to Phoenix
PHX Phoenix Sky Harbor International
From Ontario to Dallas
DFW Dallas Fort Worth International
From Ontario to Las Vegas
LAS Harry Reid International Airport
From Ontario to Sacramento
SMF Sacramento International
From Ontario to Salt Lake City
SLC Salt Lake City International
From Ontario to San Jose
SJC Norman Y Mineta San Jose International
From Ontario to Oakland
OAK Metropolitan Oakland International
From Ontario to Portland
PDX Portland International
