AirHint found the following cheapest return flights from Edmonton (YEG) to London (LHR) in September 2025 (see full year).

Return flights

30 Sep - 25 Oct	Air Canada
23 Sep - 30 Sep	WestJet
28 Sep - 18 Oct	Air Canada
29 Sep - 25 Oct	Air Canada
23 Sep - 18 Oct	Air Canada
22 Sep - 18 Oct	Air Canada
24 Sep - 18 Oct	Air Canada
24 Sep - 03 Oct	Air Canada
19 Sep - 11 Oct	Air Canada
23 Sep - 02 Oct	Air Canada
23 Sep - 03 Oct	Air Canada
19 Sep - 30 Sep	Flair Airlines
21 Sep - 28 Sep	Flair Airlines
21 Sep - 29 Sep	Air Canada
22 Sep - 26 Sep	WestJet
20 Sep - 25 Sep	WestJet
18 Sep - 30 Sep	Air Canada
18 Sep - 21 Sep	WestJet
27 Sep - 30 Sep	WestJet
22 Sep - 27 Sep	WestJet

Also check the deals for one-way flights from Edmonton 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 Edmonton to London in September from $691

Return flights