Cheapest return flights from Denver (DEN) to San Jose (SJO)

Cheapest month: January 2027, from $ 402. Book in one tap, or open a month for every date.

All destinations from Denver (DEN)

One-wayReturn

  • November 2026

    3 Nov – 12 Jan 2027 70 nights
    $ 578 return
    Alaska Airlines
    Price seen 11 Oct
    November dates

  • December 2026

    31 Dec – 31 Jan 2027 31 nights
    $ 467 return
    American Airlines
    Price seen 10 Oct
    December dates

  • January 2027

    21 Jan – 4 Feb 2027 14 nights
    $ 402 return Cheapest month
    United
    Price seen 10 Oct
    January dates

  • July 2027

    10–17 Jul 2027 7 nights
    $ 557 return
    American Airlines
    Price seen 10 Oct
    July dates
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Updated Oct 11, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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