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

16 dates in December, from $ 407. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
2 Dec 12 Dec American Airlines
5 Dec 11 Dec American Airlines
8 Dec 16 Dec Alaska Airlines
6 Dec 14 Dec Alaska Airlines
14 Dec 28 Dec American Airlines
31 Dec 10 Jan 2027 Frontier Airlines
12 Dec 26 Dec American Airlines
19 Dec 10 Jan 2027 jetBlue
22 Dec 5 Jan 2027 jetBlue
23 Dec 5 Jan 2027 jetBlue
20 Dec 10 Jan 2027 jetBlue
12 Dec 26 Dec United
Direct Flight
27 Dec 3 Jan 2027 Copa
22 Dec 1 Jan 2027 Volaris
26 Dec 2 Jan 2027 Frontier Airlines
26 Dec 2 Jan 2027 Alaska Airlines
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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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