Book Cheap Flights from Ottawa to London starting from C$424

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Cheapest time to fly from Ottawa to London

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.
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week: Feb 9 - Feb 15
$1,272
$1,684
$1,495
$1,403
$1,064
$999
$1,008
$955
$1,057
$945
$948
$961
DecemberJanuaryFebruary

Currency and cost comparison

TrainLocal, one-way ticket
62%Trains are 62% more expensive in London than in Ottawa.
Ottawa$4.00
London$6.46
MealMid-priced restaurant
50%The average meal is 50% more expensive in London than in Ottawa.
Ottawa$25.00
London$36.90
TaxiStandard daytime start rate
104%Taxis are 104% more expensive in London than in Ottawa.
Ottawa$3.80
London$7.75
CoffeeRegular cappuccino
40%Coffee is 40% more expensive in London than in Ottawa.
Ottawa$5.28
London$7.41
Exchange rate
1 CAD = 0.55 GBP
1 GBP = 1.85 CAD
Last revised on Fri, 12-05
Distance: 5367 kms
Ottawa airports
Ottawa International (YOW)How far from city centre: 6 kms
London airports
Heathrow (LHR)How far from city centre: 23 kms
Gatwick (LGW)How far from city centre: 40 kms
Luton International (LTN)How far from city centre: 43 kms
Stansted (STN)How far from city centre: 49 kms
London City (LCY)How far from city centre: 12 kms
Southend (SEN)How far from city centre: 57 kms

How to find cheap flights from Ottawa to London

London offers a diverse journey through history, art, and natural beauty. From ancient sites to contemporary galleries, and the quiet calm of its parks, the city draws travellers eager to explore its storied past and dynamic present. Whether you are interested in grand historical narratives or seeking out local traditions, London provides a rich tapestry of experiences.

Flights from Ottawa to London generally take about 7 hours and 30 minutes. For the best prices, consider flying during the off-peak season, which typically runs from November to March, excluding the Christmas and New Year holidays. Travelling in these months often presents more economical fares and fewer crowds, allowing for a more relaxed exploration of the city.

Useful information about Ottawa airports

Begin your journey from Ottawa, where two key airports facilitate travel to destinations like London and beyond. These hubs are crucial starting points for your flight, connecting you to global networks.

Ottawa Macdonald-Cartier International Airport (YOW)

Ottawa Macdonald-Cartier International Airport serves as the primary gateway for the National Capital Region. Located approximately 10 kilometres south of downtown Ottawa, this airport handles the vast majority of commercial flights, offering a range of services for domestic and international travellers. It is well-connected by public transit and car rental options, making it accessible for departures.

Gatineau-Ottawa Executive Airport (YND)

Situated in Gatineau, Quebec, across the Ottawa River, Gatineau-Ottawa Executive Airport primarily supports general aviation and regional charter services. While it does not host major commercial airline operations like its larger counterpart, it offers specialized flight services for travellers seeking alternative departure points for specific routes or private flights.

Airports in London: good to know

London is a primary destination for flights arriving from Ottawa, served by several major airports. Choosing the right arrival point can influence the start of your discovery.

London Heathrow Airport (LHR)

London Heathrow Airport is the largest airport in London and a primary hub for international journeys. Located 23 kilometres west of Central London, it offers extensive transportation links, including the Heathrow Express train service, connecting travellers directly to Paddington Station. This airport handles a significant volume of long-haul flights, making it a frequent point of entry for those on a transatlantic flight.

London Gatwick Airport (LGW)

Situated 45 kilometres south of Central London, London Gatwick Airport is the second busiest airport by passenger traffic. Its North and South terminals facilitate a wide array of flights, and the Gatwick Express train provides a non-stop journey to London Victoria Station. This airport often serves travellers arriving from various global origins, including many connecting services.

London City Airport (LCY)

London City Airport is located just 10 kilometres east of Central London, making it the most central airport. Known for its single runway and focus on business travel, it caters to flights with specific aircraft types due to its urban location and steeper approach. The airport is directly accessible via the Docklands Light Railway (DLR), offering efficient connections to the city’s financial districts.

Secure the best flight deals from Ottawa to London

Planning your next adventure is simpler than you think when you have the right tools at hand. Designing a journey that suits your exact needs, from flights to car rental, means smart comparisons and great flexibility. With eDreams, you can effortlessly browse options from multiple airlines side-by-side, ensuring you find the best fit for your travel style and budget. Need to keep your plans adaptable? Our flexible fare choices offer that extra peace of mind. Plus, eDreams Prime members unlock exclusive discounts, making every trip even more rewarding. Let us simplify the search, so you can focus on the excitement of what’s ahead.

FAQs about flights between Ottawa and London

Can I choose a flexible fare for my flight from Ottawa to London?
At eDreams, we want to give you peace of mind in case your flight is cancelled or if Royaume-Uni applies new travel restrictions when flying from Ottawa. If your plans change, you’re covered! With our flexible ticket, you can rebook another flight with no rebooking fee or request a complete refund.
What’s the best way to find cheap flights from Ottawa to London on eDreams?
The lowest current fare from Ottawa to London is $ 424. Thanks to our system, we identify the best options across different airlines and itineraries to combine value and flexibility for your journey.
Is London more expensive than Ottawa?
In London, a taxi averages 7.75 CAD, which is 104% higher than the 3.80 CAD in Ottawa.
In London, train tickets can cost about 62% more, averaging 6.46 CAD compared to 4.00 CAD in Ottawa.
In other cases, eating out in London may cost 48% more, at about 36.90 CAD, while in Ottawa meals average 25.00 CAD.
In London, coffee is about 40% more expensive, with an average price of 7.41 CAD, compared with 5.28 CAD in Ottawa.
How many hours is the flight from Ottawa to London?
Flying between Ottawa and London generally takes about 07:06 hours, for a distance of approximately 5,421 km. Times may vary depending on whether you choose a direct flight or one with layovers.
What’s the weather like in London vs. Ottawa?
In summer, Ottawa experiences average highs of 31.33 ºC with rainfall around 9 mm. At the same time, London can reach 29.01 ºC and record about 9 mm of rainfall. In winter, the climate is cooler, averaging -24.7 ºC in Ottawa compared to -3.09 ºC in London. Rainfall levels reach 3 mm in Ottawa and 6 mm in London.
Which airports connect Ottawa and London?
The main airport link between Ottawa and London is Ottawa International (YOW) to Gatwick (LGW), operated by the following airline(s):
Air Transat
You may also fly from Ottawa to London via Ottawa International (YOW) to Heathrow (LHR), with airlines such as Air Canada serving the route.

Plan your trip

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