Cheapest return flights from San Francisco to Copenhagen in September from $551

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

10 Sep - 17 Sep United
16 Sep - 16 Oct Air Canada
24 Sep - 07 Oct Air Canada
30 Sep - 07 Oct United
05 Sep - 12 Sep United
15 Sep - 22 Sep United
25 Sep - 02 Oct United
04 Sep - 28 Sep Air Canada
20 Sep - 27 Sep United
24 Sep - 07 Oct Scandinavian Airlines direct
25 Sep - 02 Oct Scandinavian Airlines direct
15 Sep - 22 Sep Scandinavian Airlines direct
04 Sep - 28 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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