Cheapest return flights from Calgary to London in September from 789€

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

Return flights

16 Sep - 14 Oct Flair Airlines
05 Sep - 15 Sep WestJet
18 Sep - 30 Sep WestJet
06 Sep - 20 Sep WestJet
16 Sep - 25 Sep WestJet
11 Sep - 13 Oct WestJet
09 Sep - 23 Sep WestJet
11 Sep - 29 Sep WestJet
05 Sep - 13 Sep WestJet
18 Sep - 26 Sep WestJet
18 Sep - 25 Sep WestJet
26 Sep - 04 Oct WestJet
15 Sep - 03 Oct WestJet
17 Sep - 27 Sep WestJet
11 Sep - 11 Oct WestJet
11 Sep - 09 Oct WestJet
11 Sep - 12 Oct WestJet
11 Sep - 10 Oct WestJet

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.