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

Return flights

13 Aug - 27 Aug	WestJet
21 Aug - 30 Aug	WestJet
18 Aug - 25 Aug	WestJet
22 Aug - 25 Aug	WestJet
19 Aug - 31 Aug	WestJet
14 Aug - 02 Sep	WestJet
05 Aug - 27 Aug	WestJet
06 Aug - 27 Aug	WestJet
05 Aug - 20 Aug	WestJet
23 Aug - 08 Sep	WestJet
08 Aug - 31 Aug	WestJet
27 Aug - 26 Sep	WestJet
08 Aug - 24 Aug	WestJet

Also check the deals for one-way flights from Waterloo to Warsaw 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 Warsaw in August from 1806€

Return flights