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

Return flights

07 Oct - 23 Oct	WestJet
15 Oct - 22 Oct	WestJet
06 Oct - 20 Oct	WestJet
07 Oct - 20 Oct	WestJet
03 Oct - 20 Oct	WestJet
05 Oct - 20 Oct	WestJet
02 Oct - 09 Oct	WestJet
02 Oct - 20 Oct	WestJet
02 Oct - 10 Oct	WestJet
01 Oct - 20 Oct	WestJet
04 Oct - 12 Nov	WestJet
09 Oct - 09 Nov	WestJet
09 Oct - 10 Nov	WestJet
04 Oct - 05 Nov	WestJet
09 Oct - 07 Nov	WestJet

Also check the deals for one-way flights from Waterloo to Warsaw in October.

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 October from 701€

Return flights