Cheap Flights from London to Ottawa

Compare London to Ottawa flight deals

Find the cheapest month or even day of the year to fly to Ottawa

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Flight deals from London to Ottawa

Looking for a cheap last-minute deal or the best return flight from London to Ottawa? Find the lowest prices on one-way and return tickets right here.

Ottawa.Rs66,314 per passenger.Departing Thu, 5 Jun.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 5 Jun, arriving in Ottawa International.Price includes taxes and charges.From Rs66,314, select.

Ottawa.Rs76,816 per passenger.Departing Sat, 3 May.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Sat, 3 May, arriving in Ottawa International.Price includes taxes and charges.From Rs76,816, select.

Ottawa.Rs94,854 per passenger.Departing Wed, 30 Apr.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Wed, 30 Apr, arriving in Ottawa International.Price includes taxes and charges.From Rs94,854, select.

Ottawa.Rs99,060 per passenger.Departing Wed, 2 Jul.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 2 Jul, arriving in Ottawa International.Price includes taxes and charges.From Rs99,060, select.

Ottawa.Rs117,342 per passenger.Departing Tue, 19 Aug.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 19 Aug, arriving in Ottawa International.Price includes taxes and charges.From Rs117,342, select.

Ottawa.Rs119,922 per passenger.Departing Wed, 3 Sep.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 3 Sep, arriving in Ottawa International.Price includes taxes and charges.From Rs119,922, select.

Ottawa.Rs135,253 per passenger.Departing Sun, 19 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Sun, 19 Oct, arriving in Ottawa International.Price includes taxes and charges.From Rs135,253, select.

Ottawa.Rs157,031 per passenger.Departing Mon, 9 Feb.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Gatwick on Mon, 9 Feb, arriving in Ottawa International.Price includes taxes and charges.From Rs157,031, select.

Find the cheapest month to fly from London to Ottawa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Ottawa flights are currently cheapest in June.

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Direct flights from London to Ottawa

Alternative London to Ottawa routes

Looking for the cheapest, fastest or easiest route from London to Ottawa? You could fly into the following airports instead.

London to Ottawa: Flight information

The things to know before you go.

Cheapest flight found	Rs66,314
Cheapest month to fly	June
Average flight time	7 hrs, 25 mins
Average flights per week	104

Finding cheap flights from London to Ottawa: Frequently asked questions

How many airports are there in Ottawa?

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.

How much are return flights from London to Ottawa?

The best price we found for a return flight from London to Ottawa is Rs106,877. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from London to Ottawa?

United, Aegean Airlines and TAP Air Portugal fly direct from London to Ottawa.

How many flights are there a week from London to Ottawa?

As of April 2025, there are no flights flying from London to Ottawa.

When is the cheapest time to fly from London to Ottawa?

The cheapest month to fly from London to Ottawa is usually April 2025.

Which is the cheapest airport to fly into in Ottawa?

If you're flying from London, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the centre of Ottawa. We've found flights into this airport from Rs106,877.

Which upcoming date is cheapest to fly from London to Ottawa on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Ottawa on Monday, 21 April 2025.

Can I get a direct flight from London to Ottawa?

Yes – the average flight time is 7 hours and 25 minutes.

How can I get the best flight deal from London to Ottawa?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ottawa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Ottawa?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Ottawa?

In April, the average temperature is usually around 6°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.

Which is the cheapest airline to fly from London to Ottawa with?

The cheapest airline that flies to Ottawa is SWISS. And the cheapest airline that flies to Ottawa Gatineau Airport is Lufthansa.

Travelling from London to Ottawa: what you need to know

London has plenty of airports where you can take off on adventures. Check out your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when organising your flight from London to Ottawa. Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the city's other main bases.
Hop off the plane at Ottawa/Macdonald-Cartier International Airport (YOW), the primary gateway of Ottawa.
Give yourself enough time to make your flight from London to Ottawa. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.
Travelling over a peak time such as July? Major public holidays and other high seasons can mean longer queues at security. Play it safe and get there up to four hours before international flights and two hours before domestic departures.
When travelling to Canada for tourism purposes, you will require an ETA if you have a passport from United Kingdom. However, visa rules can change and you may need additional documents depending on the purpose and duration of your trip. Always check the most recent guidelines before reserving your cheap flight from London to Ottawa.

Flying from London

London Heathrow Airport (LHR)

A stopover is the ideal opportunity to break up your trip — and maybe even explore another city. When searching for flights from London to Ottawa departing from London Heathrow Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Popular options include:
- Montreal-Pierre Elliott Trudeau International Airport (YUL)
- Halifax Stanfield International Airport (YHZ)
- Pearson International Airport (YYZ)
LHR is about 31 kilometres from central London. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 57 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be around 1 hour and 1 minute.
Catching an early flight from London to Ottawa? Avoid the stress of rushing to the terminal (and catch some extra z's) by choosing one of these stays near London Heathrow Airport:

London Gatwick Airport (LGW)

Get the most out of your holiday with a stopover on your flight from London to Ottawa. Visit friends or family or tick a new city off your bucket list. Whatever you decide to do, check out these stops between London Heathrow Airport and Ottawa:
- Montreal-Pierre Elliott Trudeau International Airport (YUL)
- Halifax Stanfield International Airport (YHZ)
- Pearson International Airport (YYZ)
You can get to LGW from central London in about 1 hour and 19 minutes by car (depending on traffic conditions). The ride by public transport takes roughly 1 hour and 26 minutes to travel the 80 kilometres or so.
You're off on holiday, so why not book an extra night away from home? Think about staying at one of these hotels near London Gatwick Airport the day before your flight from London to Ottawa:

Arriving in Ottawa

Ottawa Gatineau Airport (YND)

Ottawa Gatineau Airport (YND) is around 24 kilometres from the centre of Ottawa. With a cab or in your own car rental, the drive is about 22 minutes.
It takes around 1 hour and 41 minutes if you're travelling by public transport.
Reserve a hotel close to YND if you have a late flight from London to Ottawa. Select one of these accommodation options and skip the long transfer:

Ottawa/Macdonald-Cartier International Airport (YOW)

Central Ottawa is around 13 kilometres from Ottawa/Macdonald-Cartier International Airport (YOW). Once your flight from London to Ottawa has hit the runway and you've made your way to arrivals, the drive should be around 19 minutes.
You can also travel by public transport, which will take roughly 43 minutes.
Place the 'Do not disturb' sign on your door and rest at a hotel close to YOW. Here are a few options where you can settle in after your flight from London to Ottawa:

How to find the cheapest flights from London to Ottawa

Right now, Rs66,314 is the best price we've seen for a one-way ticket from London to Ottawa. The cheapest price for a return flight is Rs106,877. Bear in mind fares can change due to availability at the time of booking.
Don't wait until the last moment. You're more likely to get cheap tickets from London to Ottawa if you book early. Airlines often offer some great early bird discounts.
The 'Whole month' search tool shows you the cheapest tickets from London to Ottawa across the month. It's a great way to snap up a bargain if your dates are flexible.
Create a Price Alert for cheap tickets from London to Ottawa. There's no need to look every day to see whether fares have dropped. We'll tell you as soon as there's a change in price.
Use filters to tailor your flights from London to Ottawa. Simply select your preferred arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to get the best deals.

Best time to go to Ottawa

Visit Ottawa in high season if you prefer a busy atmosphere, but remember that hotel prices are typically higher. Or, book flights from London to Ottawa in the low season when prices are cheaper and crowds are smaller.
The warmest month in Ottawa is July, with the temperature ranging between 13ºC and 27ºC. Lock in your flights from London to Ottawa in this month if this is the kind of weather you like.
January sees average temperatures of between -19ºC and -2ºC. Search for cheap tickets from London to Ottawa around that time if you'd rather travel in cooler conditions.

More about Ottawa

Start your Ottawa trip right by choosing the ideal place to stay. As soon as you've booked your flight from London to Ottawa, browse our range of hotels including:
Every great holiday has to include a little sightseeing. Parliament Hill, Rideau Canal and National Gallery of Canada are attractions you won't want to skip in Ottawa.

Complete your Ottawa trip with a car rental

Finding you a cheap flight from London to Ottawa isn't the only thing we're good at. Check out our car rentals in Ottawa and explore on your own terms. We search for deals from trusted car rental providers and put them all in one place. Instantly compare rates and then book with no fees.