Cheapest return flights from London to Calgary in September from 647€

AirHint found the following cheapest return flights from London (LON) to Calgary (YYC) in September 2026 (see full year).

Return flights

15 Sep - 22 Sep Air Transat
06 Sep - 13 Sep Ryanair
11 Sep - 22 Sep Air Transat
13 Sep - 20 Sep Air Transat
11 Sep - 18 Sep Air Transat
04 Sep - 15 Sep Air Transat
04 Sep - 19 Sep Air Transat
04 Sep - 18 Sep Air Transat
13 Sep - 23 Sep Air Transat
10 Sep - 17 Sep Air Transat
27 Sep - 07 Oct KLM
30 Sep - 05 Oct Air France
23 Sep - 10 Oct KLM
26 Sep - 10 Oct KLM
19 Sep - 02 Oct KLM
25 Sep - 10 Oct KLM
15 Sep - 02 Oct KLM
25 Sep - 03 Oct KLM
28 Sep - 04 Oct KLM
21 Sep - 05 Oct KLM

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

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