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

Return flights

19 May - 02 Jun	Finnair
21 May - 29 May	SWISS
11 May - 18 May	Scandinavian Airlines	direct
25 May - 29 May	Air Canada
19 May - 02 Jun	Scandinavian Airlines	direct
22 May - 05 Jun	TAP
21 May - 28 May	Scandinavian Airlines	direct
01 May - 08 May	Scandinavian Airlines	direct
25 May - 29 May	Scandinavian Airlines	direct
21 May - 29 May	Scandinavian Airlines	direct
22 May - 05 Jun	Scandinavian Airlines	direct

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

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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest return flights from Chicago to Copenhagen in May from $544

Return flights