Cheapest return flights from Calgary to London in April from $647

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

Return flights

21 Apr - 28 Apr Air Canada
10 Apr - 16 Apr Air Canada
13 Apr - 22 Apr WestJet direct
10 Apr - 17 Apr Air Canada
13 Apr - 19 Apr WestJet direct
11 Apr - 27 Apr Air Canada
21 Apr - 12 May Air Canada
22 Apr - 08 May WestJet
14 Apr - 28 Apr Flair Airlines
22 Apr - 29 Apr Flair Airlines
10 Apr - 12 Apr Air Canada
20 Apr - 27 Apr WestJet
26 Apr - 07 May WestJet
21 Apr - 05 May Air Canada
20 Apr - 11 May WestJet
22 Apr - 12 May WestJet
21 Apr - 08 May WestJet
19 Apr - 05 May WestJet direct
29 Apr - 13 May WestJet
22 Apr - 06 May Iberia

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

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