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Cheap Flights from Denver (DEN) to San Jose (SJO) from $479 Roundtrip, Including Taxes

Fly.com's fare calendars show the dates with the cheapest airline tickets over a wide travel period.  Fares displayed are roundtrip, including taxes and fees.

Update: Great news, we may have found you an even lower fare!
This calendar displays prices based on roundtrip travel, including taxes and fees, for an adult traveler. Prices shown are the lowest available based on recent searches by Fly.com users and may no longer be available.