Cheapest return flights from Calgary to London in August from $775

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 August 2025 (see full year).

Return flights

05 Aug - 12 Aug Air Canada
11 Aug - 25 Aug Air Canada
12 Aug - 19 Aug Air Canada
11 Aug - 26 Aug Air Canada
20 Aug - 11 Sep Air Canada
18 Aug - 31 Aug Air Canada
07 Aug - 13 Aug Lufthansa direct
20 Aug - 30 Aug Air Canada
06 Aug - 16 Aug Air Canada
07 Aug - 11 Aug Lufthansa direct
20 Aug - 29 Aug Lufthansa direct
15 Aug - 01 Sep Air Canada
22 Aug - 08 Sep Air Canada
23 Aug - 08 Sep Air Canada
21 Aug - 08 Sep Air Canada
18 Aug - 19 Sep Air Canada
25 Aug - 08 Sep Air Canada
26 Aug - 08 Sep Air Canada
27 Aug - 09 Sep Air Canada
27 Aug - 10 Sep Air Canada

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

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