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

20 dates in December, from $ 386. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
4 Dec 10 Dec Copa
10 Dec 15 Dec Copa
3 Dec 7 Dec Copa
12 Dec 17 Jan 2027 American Airlines
31 Dec 14 Jan 2027 Avianca
28 Dec 17 Jan 2027 Avianca
11 Dec 19 Dec GOL Linhas Aéreas
12 Dec 13 Jan 2027 Avianca
25 Dec 31 Dec Avianca
22 Dec 19 Jan 2027 Avianca
22 Dec 20 Jan 2027 Avianca
22 Dec 29 Dec American Airlines
16 Dec 21 Dec Avianca
23 Dec 20 Jan 2027 Avianca
27 Dec 30 Dec American Airlines
24 Dec 21 Jan 2027 Frontier Airlines
25 Dec 15 Jan 2027 Avianca
31 Dec 3 Jan 2027 Avianca
19 Dec 26 Dec American Airlines
18 Dec 20 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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