Cheapest return flights from Philadelphia to Copenhagen in April from $428

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

09 Apr - 22 Apr Frontier Airlines
09 Apr - 20 Apr Frontier Airlines
09 Apr - 17 Apr Frontier Airlines
02 Apr - 09 Apr Delta
29 Apr - 06 May Delta
08 Apr - 15 Apr Delta
23 Apr - 30 Apr Delta
26 Apr - 03 May Delta
17 Apr - 24 Apr Delta
14 Apr - 21 Apr Delta
11 Apr - 18 Apr Delta
20 Apr - 27 Apr Delta

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

Skyscanner

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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