Cheapest one-way flights from San Francisco to Copenhagen in September from $378

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

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

One-Way flights

11 Sep Alaska Airlines
14 Sep Alaska Airlines
10 Sep SWISS
05 Sep Delta
12 Sep Delta
14 Sep Delta direct
10 Sep Delta direct
12 Sep Delta direct
11 Sep Delta direct
05 Sep Scandinavian Airlines direct

Also check the deals for return 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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