Cheapest return flights from Calgary to London in May from $656

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

Return flights

11 May - 18 May WestJet direct
04 May - 25 May WestJet direct
12 May - 26 May WestJet direct
24 May - 31 May WestJet direct
12 May - 24 May WestJet direct
08 May - 18 May WestJet direct
09 May - 19 May WestJet direct
22 May - 25 May WestJet direct
09 May - 25 May WestJet direct
15 May - 24 May WestJet direct
22 May - 13 Jun WestJet direct
26 May - 20 Jun WestJet direct

Also check the deals for one-way 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.

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