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

Return flights

26 Aug - 30 Aug	WestJet
26 Aug - 01 Sep	WestJet
01 Aug - 08 Aug	WestJet
05 Aug - 13 Aug	WestJet
11 Aug - 18 Aug	WestJet
15 Aug - 17 Aug	WestJet
26 Aug - 08 Sep	WestJet
04 Aug - 06 Aug	WestJet
26 Aug - 10 Sep	WestJet
08 Aug - 10 Aug	WestJet
30 Aug - 20 Sep	WestJet
11 Aug - 20 Aug	WestJet
01 Aug - 05 Aug	WestJet
16 Aug - 19 Aug	WestJet
31 Aug - 29 Sep	WestJet
18 Aug - 09 Sep	WestJet
30 Aug - 27 Sep	WestJet

Also check the deals for one-way flights from Waterloo to Prague 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 Prague in August from 1361€

Return flights