Cheapest return flights from Calgary to London in September from 715€

Best time to book flights for Calgary (YYC) to London (LHR) flights at AirHint

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

Return flights

22 Sep - 02 Oct WestJet direct
24 Sep - 06 Oct WestJet direct
25 Sep - 06 Oct WestJet direct
25 Sep - 13 Oct WestJet direct
26 Sep - 11 Oct WestJet direct
26 Sep - 05 Oct WestJet direct
21 Sep - 29 Sep WestJet direct
07 Sep - 05 Oct WestJet direct
15 Sep - 29 Sep WestJet direct
03 Sep - 10 Sep WestJet direct
04 Sep - 10 Sep WestJet direct
04 Sep - 11 Sep WestJet direct
03 Sep - 13 Sep WestJet direct
17 Sep - 24 Sep WestJet direct
16 Sep - 29 Sep WestJet direct
15 Sep - 26 Sep WestJet direct
13 Sep - 29 Sep WestJet direct

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

Skyscanner

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 London

Cheap car rent in London