Cheapest return flights from San Francisco to Copenhagen in September from $506

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

Return flights

14 Sep - 23 Sep SWISS
17 Sep - 22 Sep Air Canada
16 Sep - 24 Sep SWISS
16 Sep - 23 Sep Air Canada
15 Sep - 23 Sep Air Canada
17 Sep - 24 Sep Air Canada
23 Sep - 14 Oct SWISS
10 Sep - 16 Sep Air Canada
22 Sep - 24 Sep Lufthansa
14 Sep - 20 Sep Lufthansa
24 Sep - 30 Sep TAP
24 Sep - 01 Oct Lufthansa
28 Sep - 05 Oct Delta
25 Sep - 02 Oct Lufthansa
09 Sep - 04 Oct Lufthansa
19 Sep - 11 Oct Turkish Airlines
29 Sep - 06 Oct Lufthansa
16 Sep - 11 Oct Turkish Airlines
09 Sep - 04 Oct 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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