AirHint found the following cheapest return flights from Quebec (YQB) to London (LTN) in March 2026 (see full year).

Return flights

04 Mar - 18 Mar	Air Transat
16 Mar - 23 Mar	Air Transat
18 Mar - 25 Mar	Air Transat
04 Mar - 25 Mar	Air Transat
18 Mar - 08 Apr	Air Transat
23 Mar - 08 Apr	Air Transat
25 Mar - 08 Apr	Air Transat
22 Mar - 12 Apr	Air Transat
23 Mar - 12 Apr	Air Transat
22 Mar - 08 Apr	Air Transat
25 Mar - 15 Apr	Air Transat
18 Mar - 29 Mar	Air Transat
23 Mar - 30 Mar	Air Transat
20 Mar - 30 Mar	Air Transat
25 Mar - 01 Apr	Air Transat
23 Mar - 01 Apr	Air Transat
11 Mar - 01 Apr	Air Transat
10 Mar - 22 Mar	PAL Airlines
17 Mar - 29 Mar	Air Transat
03 Mar - 25 Mar	PAL Airlines

Also check the deals for one-way flights from Quebec to London in March.

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 Quebec to London in March from $564

Return flights