AirHint found the following cheapest return flights from San Diego (SAN) to Zurich (ZRH) in October 2025 (see full year).

Return flights

06 Oct - 21 Oct	Condor
31 Oct - 18 Nov	Delta
13 Oct - 24 Oct	Scandinavian Airlines
27 Oct - 03 Nov	United
30 Oct - 06 Nov	United
08 Oct - 22 Oct	Air Canada
07 Oct - 14 Oct	United
15 Oct - 22 Oct	United
21 Oct - 28 Oct	United
01 Oct - 15 Oct	Spirit Airlines
14 Oct - 19 Oct	Condor
01 Oct - 25 Oct	Frontier Airlines
09 Oct - 16 Oct	United

Also check the deals for one-way flights from San Diego to Zurich in October.

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 San Diego to Zurich in October from $607

Return flights