Direct (nonstop) flights from London to Ottawa
1 airline flys nonstop from Gatwick (LGW) to Ottawa Macdonald Cartier International (YOW). It's 3,352 miles (5,394 km), about 8h in the air. Operated by Air Transat.
Air Transat
Route data last updated: May 28, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from London to Ottawa with one stop · direct emits 512 kg CO₂ per passenger
Looking for the return flight?
YOW → LGW: Flights from Ottawa to LondonOther direct flights from London
Direct flights from Ottawa (YOW)
Frequently Asked Questions
How long is the direct flight from London to Ottawa?
A nonstop flight from London (LGW) to Ottawa (YOW) takes approximately 8 hours. The distance is 3,352 miles (5,394 km).
Which airlines fly nonstop from London to Ottawa?
Just Air Transat.
Is there a nonstop flight from London to Ottawa?
Yes. 1 airline: Air Transat.
How far is London from Ottawa?
The flight distance from London to Ottawa is 3,352 miles (5,394 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 London and Ottawa?
Ottawa is 5 hours behind London. (Europe/London vs America/Toronto.)
Will I experience jet lag flying from London to Ottawa?
Maybe mild — 5-hour difference. Most people adjust in a day or two.
What type of aircraft flies from London to Ottawa?
At 8h, 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 United Kingdom to Canada?
Depends on your passport. Check with the Canada embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from London to Ottawa?
Roughly 512 kg CO2 per passenger one-way. That's about the same as driving 2,560 km.
Is the return flight from Ottawa to London 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 London to Ottawa?
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 Gatwick for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.