Cheapest return flights from Calgary to London in April from $624

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

Return flights

08 Apr - 08 May Delta
20 Apr - 05 May Delta
08 Apr - 23 Apr Delta
07 Apr - 18 Apr Delta
17 Apr - 20 Apr Air France
08 Apr - 19 Apr Air France
07 Apr - 14 Apr Delta
13 Apr - 30 Apr Virgin Atlantic
22 Apr - 26 Apr Delta
08 Apr - 18 Apr KLM
08 Apr - 17 Apr KLM
21 Apr - 05 May KLM
17 Apr - 01 May Air France
29 Apr - 05 May Delta
25 Apr - 02 May Air France
21 Apr - 06 May KLM
01 Apr - 09 Apr Air France
29 Apr - 08 May Delta
28 Apr - 08 May Virgin Atlantic
24 Apr - 02 May Virgin Atlantic

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

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