Cheapest one-way flights from Calgary to London in September from $289

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

AirHint found the following cheapest one-way flights from Calgary (YYC) to London (LHR) in September 2025 (see full year).

One-Way flights

23 Sep WestJet direct
30 Sep WestJet direct
22 Sep WestJet direct
20 Sep WestJet direct
17 Sep WestJet direct
02 Sep WestJet direct
03 Sep WestJet direct
12 Sep WestJet direct
08 Sep WestJet
26 Sep WestJet

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

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 London

Cheap car rent in London