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Cheap Flights from San Francisco to Ontario

Did You Know?

The most popular destination from San Francisco, CA is Los Angeles International.
Toronto, ON is the most popular connecting city from San Francisco, CA to Ontario.
There are 48 carriers flying into Ontario.
The shortest flight from San Francisco, CA to Ontario is 2,254 miles.
There are 50 connecting cities from San Francisco, CA to Ontario.
The longest flight from San Francisco, CA to Ontario is 2,254 miles.
Toronto, ON has the most direct flights to Ontario.
The earliest flight from San Francisco, CA leaves at 0:01 am.

Cheap International Flights from San Francisco - SFO

Flights
Airline
Lowest Price
American, US Airways, United, Alaska, WestJet, Delta, Air Canada
$421
United, Air Canada, WestJet
$555
United, Alaska, US Airways, American, WestJet, Delta, Air Canada
$577
WestJet, United, Delta, Air Canada
$457
WestJet, Air Canada
$867
Air Canada
$862
United, Air Canada
$865
Air Canada
$991
Air Canada
$1066
Cheap Flights from San Francisco to Ontario - from $421 Round trip from SFO to ON