Cheapest return flights from San Francisco to Copenhagen in September from $608

Best time to book flights for San Francisco (SFO) to Copenhagen (CPH) flights at AirHint

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

Return flights

23 Sep - 01 Oct American Airlines
10 Sep - 17 Sep United
30 Sep - 07 Oct United
26 Sep - 29 Sep Finnair
23 Sep - 01 Oct Scandinavian Airlines direct
10 Sep - 17 Sep Scandinavian Airlines direct
30 Sep - 07 Oct Scandinavian Airlines direct
20 Sep - 27 Sep United
26 Sep - 29 Sep Scandinavian Airlines direct
20 Sep - 27 Sep Scandinavian Airlines direct

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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