AirHint found the following cheapest return flights from Washington (DCA) to San Jose (SJO) in February 2026 (see full year).

Return flights

05 Feb - 10 Feb	Southwest Airlines
06 Feb - 09 Feb	Southwest Airlines
20 Feb - 24 Feb	Delta
19 Feb - 24 Feb	Delta
21 Feb - 25 Feb	Southwest Airlines
20 Feb - 23 Feb	Southwest Airlines
19 Feb - 23 Feb	Southwest Airlines
09 Feb - 15 Feb	Southwest Airlines
28 Feb - 07 Mar	Southwest Airlines
25 Feb - 28 Feb	Southwest Airlines
28 Feb - 08 Mar	Frontier Airlines
11 Feb - 15 Feb	Southwest Airlines

Also check the deals for one-way flights from Washington to San Jose in February.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Washington to San Jose in February from 234€

Return flights