Cheapest return flights from Philadelphia to Copenhagen in April from $530

Best time to book flights for Philadelphia (PHL) to Copenhagen (CPH) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Copenhagen (CPH) in April 2025 (see full year).

Return flights

01 Apr - 08 Apr SWISS
16 Apr - 23 Apr Delta
22 Apr - 29 Apr Delta
26 Apr - 03 May Delta
28 Apr - 05 May Delta
08 Apr - 15 Apr Delta
04 Apr - 06 Apr Frontier Airlines
02 Apr - 09 Apr Delta
30 Apr - 07 May Delta
18 Apr - 21 Apr Finnair
24 Apr - 01 May Delta
18 Apr - 25 Apr SWISS
14 Apr - 21 Apr Delta
19 Apr - 22 Apr Air Canada

Also check the deals for one-way flights from Philadelphia to Copenhagen in April.

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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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