C$ 451 Find Cheap Flights from Ottawa to London – Compare and Save

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

• Earliest: departs at 9:15 am and lands at 3:58 pm
• Latest: departs at 9:40 pm and lands at 4:23 am.

The flight takes about 6h 43m.

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

• Economy Class
• Premium Economy Class
• Business Class

A direct flight from Ottawa to London takes 6h 43m, covering 8,630 km.

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 range from C$ 875 to C$ 1,244, with an average of C$ 1,055 over the past 12 months. Anything below C$ 875 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 3% above the C$ 1,055 route average. Book 11 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 954 round-trip via Toronto Pearson Intl (YYZ), compared to C$ 1,101 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 80–C$ 140 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 891 to C$ 6,005. That means the highest observed fare was about 7x higher than the lowest one.

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

One-way fares from Ottawa to London are currently higher than usual. Average one-way flight prices are about C$ 836, which is 23% above the typical average for this route.

Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near London Heathrow Airport (LHR) – daily rates averaging C$ 54:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Rentacar

Near London Gatwick Airport (LGW) – daily rates averaging C$ 55:

• GREEN MOTION
• DRIVALIA
• U-Save
• Europcar
• Alamo

Near London City Airport (LCY) – daily rates averaging C$ 55:

• GREEN MOTION
• Budget
• Hertz
• Avis
• Sixt

Near London Stansted Airport (STN) – daily rates averaging C$ 54:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• U-Save

Near London Luton Airport (LTN) – daily rates averaging C$ 58:

• GREEN MOTION
• DRIVALIA
• Alamo
• Europcar
• U-Save

Flights from Ottawa to London usually depart from Ottawa (YOW) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

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 route, 28% of flights were delayed in the past three months, with delays averaging 1h 59m.

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

• Toronto Pearson Intl (YYZ) – 52% of one-stop connections
• Paris Charles de Gaulle (CDG) – 27% of one-stop connections
• Montreal Pierre Elliott Trudeau Intl (YUL) – 19% of one-stop connections
• Newark (EWR) – 1% of one-stop connections

Yes. Flexible dates can save you up to 16% on flights from Ottawa to London. Friday is the cheapest departure day at C$ 976 round-trip on average, while Saturday is the most expensive at C$ 1,158, a difference of C$ 182.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Only Air Canada operates flights between Ottawa and London.

Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 10h 20m, compared with 11h 31m via Paris Charles de Gaulle (CDG) and 11h 31m via Washington, D.C. Dulles Intl (IAD).

London 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 are Trafalgar Square, Hyde Park, and London Eye. These are among the most viewed places in London on KAYAK.

Among airlines operating Ottawa to London 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 carry-on bag and a checked bag in Economy Class
• Air Transat: a carry-on bag and a checked bag in Economy Class
• Lufthansa: a carry-on bag and a checked bag in Economy Class

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

Yes, there are breastfeeding rooms at YOW. The easily accessible breastfeeding room at Ottawa airport is located at Pre-security, Level 1, and is open 24 hours a day. This room is designed for mothers who need to breastfeed their infants or pump breast milk. It is equipped with a sink, a changing table, a comfortable chair, and a tv.

Gatwick Airport is committed to providing the highest possible standards of customer care and assistance to all passengers. The hidden disability services include the use of assistive technology to help passengers with hidden disabilities navigate the airport, as well as special assistance during the check-in, security, and boarding processes. There is a sensory room at the North terminal available for passengers who may need a calm and quiet space to relax before their flight.

If you want a faster way to get out of London Heathrow Airport, a taxi is usually the best deal. Every terminal has its taxi drop-off and pick-up area, so you can hop out of the plane and be inside a cab in a matter of minutes. Drivers are well-versed in the areas you wish to visit and are fully licensed by the appropriate authorities.

Several airlines offer flights with stops from Ottawa to London. This is especially important if you want more control over your itinerary, as you can choose your own layovers. You can check out Air Canada or Air Canada Express. These airlines offer flights with one or more stops between Ottawa and one of the London airports.