Cheapest return flights from Duesseldorf to San Jose in September from 541€

AirHint found the following cheapest return flights from Duesseldorf (DUS) to San Jose (SJO) in September 2025 (see full year).

Return flights

25 Sep - 11 Oct Air France
25 Sep - 10 Oct Air France
11 Sep - 25 Sep Air France
09 Sep - 30 Sep SWISS
02 Sep - 14 Sep SWISS
29 Sep - 16 Oct KLM
12 Sep - 03 Oct Air France
13 Sep - 26 Sep KLM
25 Sep - 02 Oct Lufthansa
25 Sep - 04 Oct Air France
30 Sep - 11 Oct Air France
01 Sep - 29 Sep KLM
12 Sep - 04 Oct Air France
09 Sep - 20 Sep SWISS
13 Sep - 20 Sep Lufthansa
01 Sep - 15 Sep Air France
27 Sep - 18 Oct KLM
27 Sep - 17 Oct KLM

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

Skyscanner

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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