Calgary to London
Calgary to London is cheapest from January through March, all at 166 €. September, the most expensive month we measured, costs about 578 € more.
Calgary to London is 7,015 km flown direct. Every fare we measured came from WS.
That comes from pricing 300 departure dates across 11 months. Every figure below is a fare we measured on the day shown, not a live quote. When we have nothing fresh to say about a route, its page stops existing.
What is a good price from Calgary to London?
Anything at or below the quarter mark beats three in four of the 300 one-way fares we measured here. Above the median, wait or move the date.
seen 28 Sep 2026
How far ahead do the cheap fares sit?
When we measured, the cheapest quarter of fares sat between 71 and 143 days before departure, closer in than the market as a whole. The cheap fares were on nearer dates, not months away, when we looked.
a snapshot of where the cheap seats sat, seen 28 Sep 2026
Which day of the week is cheapest?
On average, Monday departures came out lowest and Wednesday highest, a spread of about 45 €. The day matters less than the month here: pick the month first, then the day.