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

Return flights

15 Mar - 29 Mar	SWISS
03 Mar - 10 Mar	Icelandair
13 Mar - 20 Mar	Icelandair
03 Mar - 10 Mar	Scandinavian Airlines	direct
13 Mar - 20 Mar	Scandinavian Airlines	direct
23 Mar - 30 Mar	Icelandair
23 Mar - 30 Mar	Scandinavian Airlines	direct
15 Mar - 29 Mar	Scandinavian Airlines	direct

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

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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Cheapest return flights from Boston to Copenhagen in March from 378€

Return flights