Alaska Airlines has a one day flash sale today for flights from September 12 to November 7, 2018. Many short haul flights around western states are priced from $49 to $69 one way. Cross country flights are as low as $119 one way from San Jose and $134 from Seattle to New York JFK. West coast airports LAX, SJC, SFO, PDX and SEA to Newark EWR are priced $149 to $169 one way.
Alaska Airlines New York JFK – San Jose SJC – New York JFK
$236.39 round trip Sat Sep 8 – Sat Sep 15