Air Canada
Star Alliance
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Canada
Ottawa/Macdonald-Cartier International Airport
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United Kingdom
London Heathrow Airport
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Scan through all non-stop flights from Ottawa to London Heathrow. The full flight schedule below gives an overview of all non-stop flights from YOW to LHR, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
London Heathrow is an oceanic/maritime destination, known for its mild summer temperatures, which are usually between 15°C and 25°C (59°F to 77°F). The winters here are refreshingly cool, without the harshness of freezing temperatures. Visitors can enjoy the green surroundings and plenty of outdoor adventures in the nearby areas, making it an excellent choice for those who enjoy temperate weather.
The best time to visit London Heathrow is during the summer months, spanning from May to August. During this period, visitors can expect pleasant to warm temperatures, while rainfall tends to occur more frequently in the autumn and winter months, from September to February.
Currently, there is only one airline operating non-stop flights from Ottawa YOW to London Heathrow LHR, which is Air Canada. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their YOW LHR flight schedule.
Flights from YOW to LHR are operated 4 times a week, with an average of 1 flight per day. Departure times vary between 18:55 - 22:55. The earliest flight departs at 18:55, the last flight departs at 22:55. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy, Premium Economy and Business Class. First Class is not available on this route (at least not as a non-stop flight).
The fastest direct flight from Ottawa to London Heathrow takes 6 hours and 35 minutes. The flight distance between Ottawa and London Heathrow is 3,320 miles (or 5,343 km).
There are 6 airports in London Heathrow: London Heathrow Airport (LHR), London City Airport (LCY), London Gatwick Airport (LGW), London Luton Airport (LTN), London Stansted Airport (STN) and London Southend Airport (SEN).
There are 4 flights per week flying from Ottawa to London Heathrow (as of April 2026).
6 hours and 35 minutes is the average flight time from Ottawa to London Heathrow.
The distance from Ottawa to London Heathrow is 3,320 miles (5,343 kilometers).
Air Canada is the only airline flying nonstop from Ottawa to London Heathrow.
Star Alliance is currently the only alliance flying nonstop from Ottawa to London Heathrow.
You can fly non-stop in Economy, Premium Economy and Business Class.
Aircraft types that fly from Ottawa to London Heathrow:
The earliest flight departs at 18:55 from Ottawa and arrives at 06:30 at London Heathrow.
The latest flight departs at 22:55 from Ottawa and arrives at 09:20 at London Heathrow.
3,320 miles (5,343 km) · 6h 35m
18:55
06:30
Air Canada
Star Alliance
AC 888
Air Canada
Airbus A330-300
Y
W
J
F
18:55
06:30
Air Canada
Star Alliance
AC 888
Air Canada
Airbus A330-300
Y
W
J
F
21:00
08:35
Air Canada
Star Alliance
AC 888
Air Canada
Airbus A330-300
Y
W
J
F
21:00
08:35
Air Canada
Star Alliance
AC 888
Air Canada
Airbus A330-300
Y
W
J
F
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