AirHint found the following cheapest return flights from Basel (BSL) to Montreal (YUL) in July 2025 (see full year).

Return flights

12 Jul - 27 Jul	Air Transat	direct
05 Jul - 09 Jul	Air Transat	direct
14 Jul - 20 Jul	Air Transat	direct
16 Jul - 23 Jul	Austrian Airlines
12 Jul - 16 Jul	Air Transat	direct
03 Jul - 06 Jul	Air Transat	direct
26 Jul - 02 Aug	Lufthansa
19 Jul - 31 Jul	Lufthansa
17 Jul - 30 Jul	Austrian Airlines
29 Jul - 11 Aug	Air Canada
11 Jul - 15 Jul	Lufthansa
13 Jul - 27 Jul	SWISS
28 Jul - 15 Aug	Air Transat	direct

Also check the deals for one-way flights from Basel to Montreal in July.

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 Montreal

Cheap car rent in Montreal

Cheapest return flights from Basel to Montreal in July from $610

Return flights