Cheap Flights To Ontario, CA

  • TipJanuary is the cheapest month to fly to Ontario, California

Best Deals to Ontario, California Last modified: Feb 17, 2019 4:43 -05:00

We've scanned 48,195,047,545 round trip itineraries and found the cheapest flights to Ontario, California. American & United frequently offer the best deals to Ontario, California flights, or select your preferred carrier below to see the cheapest days to fly.

American
SFOONT
Wed 3/13
1 stop
ONTSFO
Sat 3/16
1 stop
$142
American
LASONT
Sat 3/2
1 stop
ONTLAS
Sat 3/16
1 stop
$146
American
PHXONT
Mon 3/11
nonstop
ONTPHX
Tue 3/12
nonstop
$167
United
DFWONT
Tue 2/19
1 stop
ONTDFW
Sat 2/23
1 stop
$176
United
BOSONT
Thu 2/21
1 stop
ONTBOS
Thu 2/28
1 stop
$274

Cheap Flights from Ontario, California (ONT)

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Cheap Flights to Ontario, California from $127 round trip (ONT) - FareCompare