AirHint found the following cheapest return flights from Winnipeg (YWG) to London (LGW) in September 2025 (see full year).

Return flights

02 Sep - 24 Sep	Air Transat
16 Sep - 07 Oct	Air Transat
02 Sep - 23 Sep	Air Transat
16 Sep - 29 Sep	Air Transat
02 Sep - 29 Sep	Air Transat
10 Sep - 23 Sep	Air Transat
02 Sep - 09 Sep	Air Transat
24 Sep - 29 Sep	Air Transat
09 Sep - 07 Oct	Air Transat
10 Sep - 06 Oct	Air Transat
03 Sep - 24 Sep	Air Transat
03 Sep - 22 Sep	Air Transat
12 Sep - 27 Sep	Air Transat
10 Sep - 05 Oct	Air Transat
17 Sep - 12 Oct	Air Transat
17 Sep - 08 Oct	Air Transat

Also check the deals for one-way flights from Winnipeg to London in September.

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 Winnipeg to London in September from $566

Return flights