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

Return flights

06 Apr - 13 Apr	Air Canada
18 Apr - 25 Apr	SWISS
20 Apr - 27 Apr	Air Canada
05 Apr - 12 Apr	SWISS
07 Apr - 14 Apr	Air Canada
09 Apr - 16 Apr	SWISS
11 Apr - 18 Apr	SWISS
13 Apr - 20 Apr	SWISS
25 Apr - 02 May	SWISS
27 Apr - 04 May	SWISS
21 Apr - 28 Apr	Air Canada
08 Apr - 15 Apr	Air Canada
30 Apr - 07 May	Air Canada
28 Apr - 05 May	Air France
26 Apr - 03 May	KLM
29 Apr - 06 May	KLM
29 Apr - 13 May	Delta
24 Apr - 01 May	KLM

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.

Book a cheap hotel in Warsaw

Cheap car rent in Warsaw

Cheapest return flights from Montreal to Warsaw in April from $679

Return flights