Cheapest return flights from Calgary to London in September from $727

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

Return flights

30 Sep - 15 Oct Lufthansa
25 Sep - 30 Sep Air Canada
16 Sep - 30 Sep Air Canada

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.