Cheapest return flights from Washington (DCA) to San Jose (SJO), December

20 dates in December, from $ 466. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
9 Dec 16 Dec American Airlines
30 Dec 20 Jan 2027 American Airlines
11 Dec 14 Dec American Airlines
29 Dec 19 Jan 2027 American Airlines
28 Dec 17 Jan 2027 American Airlines
15 Dec 22 Dec United
17 Dec 24 Dec American Airlines
11 Dec 11 Jan 2027 Air Canada
17 Dec 23 Dec United
31 Dec 4 Jan 2027 American Airlines
28 Dec 16 Jan 2027 jetBlue
22 Dec 29 Dec American Airlines
18 Dec 26 Dec jetBlue
19 Dec 26 Dec Frontier Airlines
11 Dec 4 Jan 2027 American Airlines
25 Dec 15 Jan 2027 American Airlines
22 Dec 5 Jan 2027 American Airlines
17 Dec 26 Dec American Airlines
24 Dec 9 Jan 2027 jetBlue
22 Dec 31 Dec American Airlines
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Deals for one-way flights from Washington to San Jose in December.

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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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