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Cheap Flights To Ontario, CA

  • TipMay is the cheapest month to fly to Ontario, California
  • Tip$110 is the average round-trip fare price from PDX to ONT

Best Deals to Ontario, California Last modified: Feb 27, 2017 0:32 -05:00Prices shown were found by travelers like you over the past 30 days

We've scanned 27,918,778,223 round trip itineraries and found the cheapest flights to Ontario, California. United & Alaska frequently offer the best deals to Ontario, California flights, or select your preferred carrier below to see the cheapest days to fly.

United
SEAONT
Mon 3/27
1 stop
ONTSEA
Tue 3/28
1 stop
$134
Alaska
SLCONT
Tue 3/28
nonstop
ONTSLC
Fri 3/31
nonstop
$177
American
DFWONT
Tue 3/28
1 stop
ONTDFW
Tue 4/4
1 stop
$180
American
GDLONT
Mon 3/6
1 stop
ONTGDL
Mon 3/20
1 stop
$205
Alaska
OAKONT
Fri 4/28
1 stop
ONTOAK
Tue 5/2
1 stop
$259

Cheap Flights from Ontario, California (ONT)

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Cheap Flights to Ontario, California - Round trip airfares for Ontario, California flights (ONT)