Direct (nonstop) flights from Calgary to London
2 airlines fly nonstop from Calgary International (YYC) to Heathrow (LHR). It's 4,371 miles (7,035 km), about 8h 45m in the air. Operated by Air Canada, WestJet.
Air Canada
WestJet
Route data last updated: May 28, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Calgary to London with one stop · direct emits 668 kg CO₂ per passenger
Looking for the return flight?
LHR → YYC: Flights from London to CalgaryOther direct flights from Calgary
Direct flights from London (LHR)
Frequently Asked Questions
How long is the direct flight from Calgary to London?
A nonstop flight from Calgary (YYC) to London (LHR) takes approximately 8 hours and 45 minutes. The distance is 4,371 miles (7,035 km).
Which airlines fly nonstop from Calgary to London?
2 airlines: Air Canada, WestJet.
Is there a nonstop flight from Calgary to London?
Yes. 2 airlines: Air Canada, WestJet.
How far is Calgary from London?
The flight distance from Calgary to London is 4,371 miles (7,035 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Rome.
What is the time difference between Calgary and London?
London is 7 hours ahead of Calgary. (America/Edmonton vs Europe/London.)
Will I experience jet lag flying from Calgary to London?
Probably — 7-hour time difference means moderate jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.
What type of aircraft flies from Calgary to London?
At 8h 45m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from Canada to United Kingdom?
Depends on your passport. Check with the United Kingdom embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Calgary to London?
Roughly 668 kg CO2 per passenger one-way. That's about the same as driving 3,340 km.
Is the return flight from London to Calgary also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Calgary to London?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Calgary International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.