Cheapest one-way flights from Calgary to London in May from $343

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

AirHint found the following cheapest one-way flights from Calgary (YYC) to London (LHR) in May 2025 (see full year).

One-Way flights

27 May Lufthansa direct
25 May Air Canada direct
29 May Lufthansa direct
22 May Air Canada direct
26 May Air Canada direct
21 May Air Canada direct
19 May Air Canada direct
23 May Air Canada direct
24 May Air Canada direct
20 May Air Canada direct

Also check the deals for return flights from Calgary to London in May.

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