£203 Find Cheap Flights from Ottawa to London Heathrow Airport – Compare and Save

Among airlines operating Ottawa to London Heathrow Airport flights:

• Air Canada: offers extra legroom; offers free seat selection
• Lufthansa: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Air Canada operates flights between Ottawa and London Heathrow Airport.

Flights from Ottawa to London Heathrow Airport usually depart from Ottawa (YOW) and arrive at London Heathrow (LHR).

Here are some options for this route, based on selected ticket types and cabin classes:

• Air Canada: a cabin bag and a checked bag in Economy class
• Lufthansa: a cabin bag and a checked bag in Economy class
• Austrian Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Ottawa to London Heathrow Airport.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £575 return via Montreal Pierre Elliott Trudeau Intl (YUL), compared with £604 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £56–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A330-300 family is used most often on this route, operated mainly by Austrian Airlines and Air Canada. Other aircraft seen on the route include Airbus A321neo variants.

One-stop flights from Ottawa to London Heathrow Airport most commonly connect through:

• Montreal Pierre Elliott Trudeau Intl (YUL) – 29% of one-stop connections
• Paris Charles de Gaulle (CDG) – 29% of one-stop connections
• Toronto Pearson Intl (YYZ) – 28% of one-stop connections
• Halifax Intl (YHZ) – 7% of one-stop connections

Montreal Pierre Elliott Trudeau Intl (YUL) handles the largest share of one-stop connections on this route.

On the Ottawa to London Heathrow Airport route, being flexible with your departure day can save you up to 10%. Sunday is the cheapest day at £558 return on average, while Saturday is the most expensive at £613 – a £56 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Ottawa to London Heathrow Airport route, 32% of flights were delayed in the past 3 months, with delays averaging 2 hours 22 minutes.

Some of the most popular sights in London Heathrow Airport are London Victoria Station, London Euston Railway Station, and Hyde Park. These are among the most viewed places in London Heathrow Airport on KAYAK.

These are the earliest and latest flight times available from Ottawa to London Heathrow Airport:

• Earliest: departs at 18:50 and lands at 01:28
• Latest: departs at 22:40 and lands at 05:18.

The flight takes about 6h 38m.

Last-minute fares on this route (booked within 2 weeks of departure) run 2% above the route average of £577. Book 7 weeks before departure for the lowest fares.

A direct flight from Ottawa to London Heathrow Airport takes 6h 38m, covering 3,320 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £444 to £3,598. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Ottawa to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about £272, which is 48% below the typical average for this route.

Air Canada is the only airline operating Ottawa to London Heathrow Airport flights. 68% of its flights are on time.

Evening flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time of 10h 34m, compared to 11h 01m via Paris Charles de Gaulle (CDG) and 11h 11m via Halifax Intl (YHZ).

London Heathrow Airport is 5 hours ahead of Ottawa (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates starting from around £5 for economy cars. Top options include:
• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz

Return flights from Ottawa to London Heathrow Airport range from £511 to £669, with an average of £577 over the past 12 months. Anything below £511 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Ottawa to London Heathrow Airport flights:

• • Air Canada
• • Lufthansa