Cheapest return flights from Boston to Copenhagen in May from $428

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

Return flights

05 May - 12 May Scandinavian Airlines
10 May - 20 May SWISS
17 May - 26 May SWISS
17 May - 26 May Scandinavian Airlines direct
10 May - 20 May Scandinavian Airlines direct
28 May - 31 May Aer Lingus
28 May - 02 Jun British Airways
27 May - 30 May Scandinavian Airlines
29 May - 20 Jun Austrian Airlines
29 May - 06 Jun American Airlines
29 May - 06 Jun Scandinavian Airlines direct

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

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