Route · YYC → LHR
Flights from Calgary to London
Calgary to London Heathrow covers roughly 7,014 km and clocks in at about eight and a half hours westbound to eastbound, making it a manageable overnight run that deposits passengers at Heathrow in the early morning. Air Canada is the dominant carrier on this pairing and typically operates the route with widebody equipment such as the Boeing 787 Dreamliner, while codeshare arrangements with partners like Lufthansa and American Airlines mean connecting itineraries through Frankfurt or Dallas are common alternatives. A practical note worth remembering: most transatlantic arrivals at Heathrow land at Terminal 2 or Terminal 5 depending on carrier, so confirming your terminal before booking an onward connection or pre-arranged transfer into central London saves real headaches. For fares, shoulder seasons around late January through March and again in October tend to offer the most competitive economy pricing, while business-class award availability on Air Canada's Aeroplan program is often strongest midweek.
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Cheapest dates to fly
Live prices · powered by AviasalesThe calendar below pulls live fares from our search partner for Calgary (YYC) → London (LHR). Use the year view… to spot the cheapest week to fly, the day-of-week patterns most travellers miss, and any shoulder-season dips worth shifting your trip around. Prices refresh every few hours, so what you see is what your booking page should look like a moment later — click any date to jump straight to the fare on Aviasales.
Airlines on this route
5 carriersThe 5 carriers we currently track on the Calgary–London route, from full-service flag carriers to low-cost competitors. Tap any airline for its full profile, baggage… rules, fleet context, and a live fare search pre-filtered to that carrier — useful if you're loyal to a frequent-flyer programme, want to compare onboard product on the same dates, or are weighing a cheaper one-stop against a pricier nonstop.
Flights from Calgary to London
Live schedule · powered by AviasalesBelow is the published weekly schedule for nonstop and one-stop services from Calgary to London — the actual flight numbers, departure and arrival times your… booking page will pull from. Use it to plan around departure preferences (early morning vs late evening), see which carriers fly on which weekdays, or pick a connection that lets you sleep in your own bed before a long-haul leg. Click any row to load it directly in the search.
Airport guides
Quick links into the airport profiles at both ends of the route. Each guide covers terminal layout, the airlines that base hubs at YYC and… LHR, the other routes those airports serve, and the ground-transit options most travellers wish they'd read about before landing — the practical context you only really need to know once you've booked, but want to skim before you do.