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

Return flights

01 Jul - 08 Jul	Air Canada
13 Jul - 23 Jul	Aer Lingus
20 Jul - 10 Aug	Aer Lingus
15 Jul - 05 Aug	Eurowings
28 Jul - 20 Aug	Aer Lingus
28 Jul - 11 Aug	Aer Lingus
20 Jul - 05 Aug	Aer Lingus
23 Jul - 12 Aug	Ryanair
21 Jul - 18 Aug	Aer Lingus
10 Jul - 21 Jul	LOT
12 Jul - 24 Jul	Eurowings
25 Jul - 15 Aug	Aer Lingus
15 Jul - 02 Aug	Eurowings
31 Jul - 24 Aug	Aer Lingus
11 Jul - 25 Jul	Eurowings
15 Jul - 31 Jul	Eurowings

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

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 July from $773

Return flights