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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 23, 2017 0:31 -05:00Prices shown were found by travelers like you over the past 30 days

We've scanned 28,669,780,732 round trip itineraries and found the cheapest flights to Ontario, California. American & Alaska frequently offer the best deals to Ontario, California flights, or select your preferred carrier below to see the cheapest days to fly.

American
SMFONT
Wed 3/15
nonstop
ONTSMF
Fri 3/17
nonstop
$142
American
DFWONT
Fri 3/17
nonstop
ONTDFW
Tue 3/28
nonstop
$175
American
DENONT
Wed 3/8
nonstop
ONTDEN
Sun 3/12
nonstop
$193
Alaska
SLCONT
Mon 3/27
1 stop
ONTSLC
Tue 3/28
1 stop
$239
Alaska
SJCONT
Mon 4/17
1 stop
ONTSJC
Sat 4/22
1 stop
$257

Cheap Flights from Ontario, California (ONT)

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