$315 Find Cheap Flights from Ottawa to London - Compare and Save

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

• Earliest: departs at 9:15 am and lands at 3:55 pm
• Latest: departs at 10:40 pm and lands at 5:20 am.

The flight takes about 6h 40m.

Three cabin classes are available on flights from Ottawa to London Heathrow Airport:

• Economy Class
• Premium Economy Class
• Business Class

A nonstop flight from Ottawa to London Heathrow Airport takes 6h 40m, 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.

Round-trip flights from Ottawa to London Heathrow Airport range from $692 to $903, with an average of $785 over the past 12 months. Anything below $692 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) are 1% below the route average of $785. Booking late can sometimes save you money, but inventory is limited.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $733 round-trip via Paris Charles de Gaulle (CDG), compared to $823 for nonstop.

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

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $79–$100 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $656 to $5,826. That means the highest observed fare was about 9x higher than the lowest one.

Air Canada is the only airline on the Ottawa to London Heathrow Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Ottawa to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $461, which is 30% below the typical average for this route.

London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz

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

Evening flights have the fewest delays on this route, while night departures tend to have the most.

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 2h 21m.

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

• Paris Charles de Gaulle (CDG) - 38% of one-stop connections
• Montreal Pierre Elliott Trudeau Intl (YUL) - 33% of one-stop connections
• Toronto Pearson Intl (YYZ) - 25% of one-stop connections
• Newark (EWR) - 1% of one-stop connections

Yes. Flexible dates can save you up to 12% on flights from Ottawa to London Heathrow Airport. Sunday is the cheapest departure day at $740 round-trip on average, while Saturday is the most expensive at $838, a difference of $98.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 10h 18m, compared with 11h 04m via Paris Charles de Gaulle (CDG) and 11h 19m via Toronto Pearson Intl (YYZ).

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.

Some of the most popular sights in London Heathrow Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Heathrow Airport on KAYAK.

Among airlines operating Ottawa to London Heathrow Airport flights:

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

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

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
• MEA: a cabin bag and a checked bag in Business Class

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