Cheapest return BOS–CPH flights, May

AirHint found the following cheapest return flights from Boston (BOS) to Copenhagen (CPH) in May 2026 (see full year).

Return flights

21 May - 25 May Air Canada
26 May - 02 Jun KLM
29 May - 12 Jun Air Canada
25 May - 01 Jun KLM
26 May - 31 May KLM
23 May - 30 May SWISS
24 May - 31 May Delta
30 May - 02 Jun Brussels Airlines
30 May - 06 Jun SWISS
20 May - 25 May SWISS
26 May - 31 May Scandinavian Airlines direct
21 May - 25 May Scandinavian Airlines direct
23 May - 30 May Scandinavian Airlines direct
21 May - 28 May Scandinavian Airlines direct
20 May - 25 May Scandinavian Airlines direct
29 May - 05 Jun Scandinavian Airlines direct
25 May - 01 Jun Scandinavian Airlines direct
31 May - 07 Jun Scandinavian Airlines direct

Also check the deals for one-way flights from Boston to Copenhagen in May.

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