AirHint found the following cheapest return flights from Duesseldorf (DUS) to San Jose (SJO) in March 2026 (see full year).

Return flights

07 Mar - 25 Mar	Ryanair
03 Mar - 24 Mar	Ryanair
09 Mar - 24 Mar	Ryanair
06 Mar - 24 Mar	Ryanair
11 Mar - 23 Mar	Ryanair
09 Mar - 19 Mar	Ryanair
10 Mar - 23 Mar	Ryanair
09 Mar - 26 Mar	easyJet
07 Mar - 23 Mar	Ryanair
06 Mar - 23 Mar	Ryanair
14 Mar - 06 Apr	Air France
21 Mar - 06 Apr	Ryanair
14 Mar - 03 Apr	Eurowings
20 Mar - 03 Apr	Iberia
21 Mar - 05 Apr	Ryanair
28 Mar - 11 Apr	LOT

Also check the deals for one-way flights from Duesseldorf to San Jose in March.

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 Duesseldorf to San Jose in March from 668€

Return flights