Cheapest return flights from London to Calgary in May from $625

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

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

Return flights

18 May - 04 Jun Scandinavian Airlines
21 May - 29 May SWISS
22 May - 29 May SWISS
18 May - 25 May British Airways
14 May - 26 May Aer Lingus
18 May - 23 May British Airways
18 May - 24 May British Airways
16 May - 04 Jun Aer Lingus
21 May - 28 May SWISS
14 May - 23 May Delta
22 May - 27 May SWISS
14 May - 20 May Delta
29 May - 11 Jun Delta
29 May - 04 Jun Delta
27 May - 02 Jun Delta
21 May - 04 Jun SWISS
27 May - 10 Jun Delta
29 May - 05 Jun Delta
26 May - 04 Jun Delta
28 May - 16 Jun Delta

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

Cheap car rent in Calgary