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

01 Sep - 08 Sep United
08 Sep - 15 Sep Air France
09 Sep - 24 Sep Air Canada
14 Sep - 21 Sep British Airways
22 Sep - 29 Sep Air France
15 Sep - 22 Sep Air France
29 Sep - 06 Oct Air France
22 Sep - 06 Oct Air France
16 Sep - 23 Sep KLM
30 Sep - 07 Oct KLM
07 Sep - 14 Sep British Airways
11 Sep - 18 Sep KLM
21 Sep - 28 Sep British Airways
28 Sep - 05 Oct British Airways
27 Sep - 04 Oct Air France
24 Sep - 01 Oct KLM
25 Sep - 02 Oct KLM
24 Sep - 01 Oct Scandinavian Airlines direct
29 Sep - 06 Oct Scandinavian Airlines direct
30 Sep - 07 Oct Scandinavian Airlines direct

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

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