Cheapest return SFO–CPH flights, September

AirHint found the following cheapest return flights from San Francisco (SFO) to Copenhagen (CPH) in September 2026 (see full year).

Return flights

21 Sep - 26 Oct Turkish Airlines
07 Sep - 22 Sep Delta
09 Sep - 16 Sep British Airways
08 Sep - 15 Sep United
14 Sep - 21 Sep British Airways
07 Sep - 14 Sep British Airways
03 Sep - 10 Sep United
15 Sep - 22 Sep Air France
22 Sep - 29 Sep Air France
16 Sep - 23 Sep KLM
30 Sep - 07 Oct KLM
21 Sep - 28 Sep British Airways
28 Sep - 05 Oct British Airways
30 Sep - 07 Oct Scandinavian Airlines direct
24 Sep - 01 Oct Air France
27 Sep - 04 Oct British Airways
25 Sep - 02 Oct KLM
24 Sep - 01 Oct Scandinavian Airlines direct
26 Sep - 03 Oct KLM
21 Sep - 26 Oct Scandinavian Airlines direct

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

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