AirHint found the following cheapest return flights from Montreal (YUL) to Warsaw (WAW) in April 2026 (see full year).

Return flights

09 Apr - 16 Apr	SWISS
14 Apr - 21 Apr	Air Canada
07 Apr - 14 Apr	Air Canada
06 Apr - 13 Apr	British Airways
13 Apr - 20 Apr	British Airways
20 Apr - 27 Apr	British Airways
25 Apr - 02 May	British Airways
26 Apr - 03 May	British Airways
29 Apr - 06 May	British Airways
30 Apr - 07 May	British Airways
13 Apr - 05 May	British Airways
05 Apr - 18 Apr	Air Canada
01 Apr - 08 Apr	Air Canada
02 Apr - 09 Apr	Lufthansa
04 Apr - 11 Apr	Air Canada
24 Apr - 01 May	Lufthansa

Also check the deals for one-way flights from Montreal to Warsaw in April.

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 Warsaw in April from $578

Return flights