Cheapest one-way flights from Calgary to London in May from $252

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

One-Way flights

03 May WestJet direct
31 May WestJet direct
04 May WestJet direct
30 May WestJet direct
07 May WestJet direct
11 May WestJet
22 May Flair Airlines
06 May Flair Airlines
10 May Flair Airlines
11 May WestJet direct

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

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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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