Cheapest return flights from San Francisco to Copenhagen in September from 420€

AirHint found the following cheapest return flights from San Francisco (SFO) to Copenhagen (CPH) in September 2025 (see full year).

Return flights

01 Sep - 08 Sep TAP
10 Sep - 15 Sep SWISS
09 Sep - 16 Sep Air Canada
10 Sep - 16 Sep Air Canada
29 Sep - 06 Oct Scandinavian Airlines
14 Sep - 21 Sep United
17 Sep - 24 Sep United
11 Sep - 18 Sep United
05 Sep - 12 Sep United
26 Sep - 03 Oct Scandinavian Airlines direct
20 Sep - 27 Sep Scandinavian Airlines

Also check the deals for one-way flights from San Francisco to Copenhagen 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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