AirHint found the following cheapest return flights from Montreal (YUL) to Prague (PRG) in August 2026 (see full year).

Return flights

31 Aug - 07 Sep	FrenchBee
26 Aug - 02 Sep	FrenchBee
28 Aug - 04 Sep	FrenchBee
25 Aug - 01 Sep	Air Transat
24 Aug - 31 Aug	FrenchBee
29 Aug - 05 Sep	FrenchBee
30 Aug - 06 Sep	FrenchBee
18 Aug - 25 Aug	Air Transat
11 Aug - 18 Aug	Lufthansa
04 Aug - 11 Aug	Lufthansa
12 Aug - 19 Aug	Air Canada
17 Aug - 24 Aug	Lufthansa
19 Aug - 26 Aug	Lufthansa
05 Aug - 12 Aug	Air Canada
10 Aug - 17 Aug	Air Canada
03 Aug - 10 Aug	Air Canada
27 Aug - 03 Sep	Lufthansa

Also check the deals for one-way flights from Montreal 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 Montreal to Prague in August from 650€

Return flights