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

Return flights

10 Aug - 19 Aug	Porter Airlines (Canada) Ltd
21 Aug - 03 Sep	WestJet
21 Aug - 08 Sep	WestJet
19 Aug - 07 Sep	WestJet
12 Aug - 26 Aug	WestJet
14 Aug - 02 Sep	WestJet
14 Aug - 30 Aug	WestJet
20 Aug - 29 Aug	WestJet
17 Aug - 02 Sep	WestJet
01 Aug - 05 Aug	WestJet
06 Aug - 10 Aug	WestJet
07 Aug - 10 Aug	WestJet
29 Aug - 20 Sep	WestJet
08 Aug - 29 Aug	WestJet
08 Aug - 20 Aug	WestJet
06 Aug - 03 Sep	WestJet
20 Aug - 30 Sep	WestJet
01 Aug - 11 Aug	WestJet
26 Aug - 27 Sep	WestJet

Also check the deals for one-way flights from Hamilton 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 Hamilton to Warsaw in August from 961€

Return flights