AirHint found the following cheapest return flights from Waterloo (YKF) to Copenhagen (CPH) in August 2025 (see full year).

Return flights

14 Aug - 05 Sep	WestJet
12 Aug - 19 Aug	WestJet
28 Aug - 04 Sep	WestJet
19 Aug - 04 Sep	WestJet
28 Aug - 11 Sep	WestJet
29 Aug - 07 Sep	WestJet
08 Aug - 12 Aug	WestJet
08 Aug - 18 Aug	WestJet
06 Aug - 15 Aug	WestJet
08 Aug - 15 Aug	WestJet
29 Aug - 12 Sep	WestJet
16 Aug - 23 Aug	WestJet
17 Aug - 23 Aug	WestJet

Also check the deals for one-way flights from Waterloo to Copenhagen in August.

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 Waterloo to Copenhagen in August from $913

Return flights