Direct (nonstop) flights from Ottawa to London
1 airline flys nonstop from Ottawa Macdonald Cartier International (YOW) to Heathrow (LHR). It's 3,332 miles (5,362 km), about 6h 25m in the air. Operated by Air Canada.
Air Canada
Route data last updated: May 28, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Ottawa to London with one stop · direct emits 509 kg CO₂ per passenger
Looking for the return flight?
LHR → YOW: Flights from London to OttawaOther direct flights from Ottawa
Direct flights from London (LHR)
Frequently Asked Questions
How long is the direct flight from Ottawa to London?
A nonstop flight from Ottawa (YOW) to London (LHR) takes approximately 6 hours and 25 minutes. The distance is 3,332 miles (5,362 km).
Which airlines fly nonstop from Ottawa to London?
Just Air Canada.
Is there a nonstop flight from Ottawa to London?
Yes. 1 airline: Air Canada.
How far is Ottawa from London?
The flight distance from Ottawa to London is 3,332 miles (5,362 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to New York.
What is the time difference between Ottawa and London?
London is 5 hours ahead of Ottawa. (America/Toronto vs Europe/London.)
Will I experience jet lag flying from Ottawa to London?
Maybe mild — 5-hour difference. Most people adjust in a day or two.
What type of aircraft flies from Ottawa to London?
At 6h 25m, 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 Ottawa to London?
Roughly 509 kg CO2 per passenger one-way. That's about the same as driving 2,545 km.
Is the return flight from London to Ottawa 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 Ottawa 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 Ottawa Macdonald Cartier International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.