Fares usually tumble during the slower fall and winter months.
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RELATED: Southwest Airlines increasing flights to Hawaii from Oakland, San Jose and Sacramento
Southwest is adding on with deals Wednesday and Thursday.
We researched what their round trip fares might look like.
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It's $100 from the Bay Area to anywhere in California, or Vegas and Portland and $300 for cross country trips like Atlanta, Nashville and Baltimore.
Flights have to be between mid-November and February.
They can't be during the Thanksgiving or Christmas holidays.