AirHint found the following cheapest return flights from Washington (IAD) to San Jose (SJO) in November 2025 (see full year).

Return flights

08 Nov - 11 Nov	Volaris El Salvador
09 Nov - 18 Nov	Volaris El Salvador
05 Nov - 09 Nov	Volaris El Salvador
06 Nov - 09 Nov	Volaris El Salvador
13 Nov - 16 Nov	Volaris El Salvador
08 Nov - 15 Nov	Copa
13 Nov - 17 Nov	Copa
19 Nov - 25 Nov	Copa
19 Nov - 26 Nov	Copa
29 Nov - 04 Dec	Volaris El Salvador
15 Nov - 22 Nov	United
25 Nov - 01 Dec	Copa
29 Nov - 12 Dec	Copa
26 Nov - 01 Dec	Copa

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

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 November from $226

Return flights