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

Click a month below to see all dates for that month.

All destinations from Washington (IAD)

Lowest fare by month
Month Price
August 2026 $ 404
October 2026 $ 363
November 2026 $ 356
December 2026 $ 491
January 2027 $ 366
April 2027 $ 384
July 2027 $ 779
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Updated Aug 26, 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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