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

Book the best Ottawa fare with no extra fees

Flight deals from London to Ottawa

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

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 March.

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$600
Cheapest month to flyNovember
Average flight time7 hrs, 40 mins
Most popular airlineAegean Airlines
Average flights per week32

Finding cheap flights from London to Ottawa: Frequently asked questions

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
The best price we found for a round-trip flight from London to Ottawa is $601. 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.
7 hours and 40 minutes is the average flight time from London to Ottawa.
Aegean Airlines, TAP Air Portugal and Air Canada fly direct from London to Ottawa.
There are 32 flights per week flying from London to Ottawa, as of October 2024.
The cheapest month to fly from London to Ottawa is usually October 2024.
If you're flying from London, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the center of Ottawa. We've found flights to this airport from $601.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Ottawa on Thursday, November 7, 2024.
Yes – the average flight time is 7 hours and 40 minutes.
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.
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.
In October, the average temperature is usually around 8°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.
The cheapest airline that flies to Ottawa is Air France, and the cheapest airline that flies to Ottawa Gatineau Airport is Air Canada.

How to find cheap flights from London to Ottawa

Looking for a cheap flight from London to Ottawa? Whether you are flying one-way or return, here are a few tips on how to score the best price and make your flight journey as smooth as possible.

  • Simply hit 'search'. We've compared flights from all major airlines and online travel agents to find the cheapest flight tickets from London to Ottawa. And with us there are no hidden fees - what you see is what you pay.

  • Flex your dates to secure the best fares for your London to Ottawa flight. If your travel dates are flexible, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly from London to Ottawa from your chosen departure location.

  • Set up a Price Alert. We price check with over 1000 travel companies so you don't have to. You can easily track the price of your airline tickets from London to Ottawa by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.

  • Look for direct flights. Only interested in direct flights from London to Ottawa? Make sure to tick 'Non-stop flights only' when performing a search. If there are direct London to Ottawa flights available, these will appear in the results.

  • Find the cheapest Business class flights from London to Ottawa Check the difference in price of your plane ticket from London to Ottawa when travelling in Economy, Premium economy, Business or First class. Note that not all cabin classes are available for every destination or airline.

  • Include nearby airports in your search. Widen your search for London to Ottawa flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure and destination point and could help you save money.

  • Search for flights on the go. To get the best flight booking experience on the go, download our app and search for cheap flight tickets from London to Ottawa when out and about.

Book a flight from London to Ottawa with extra peace of mind

  • Find flexible flights from London to Ottawa. Your airline might be offering flexible air tickets from London to Ottawa which means you won't lose out if your flight has to be changed or canceled.

  • Add travel cost protection. Avoid travel pitfalls and choose travel cost protection - it's available at the checkout as you book your flight from London to Ottawa with us.

  • Reduce your carbon footprint by selecting a greener London to Ottawa flight option. To check whether there are any lower emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box which will be available once you have moved on from this page.

Combine your flight from London to Ottawa with hotels and car hire

Once you've secured your plane ticket we will also help you discover the best prices and exclusive rates for hotels in Ottawa or close by. Compare hundreds of car hire companies in one go so that you get the best car hire deals for your trip.

Compare London to Ottawa air tickets with other destinations using the everywhere search

Not entirely set on flying to London to Ottawa yet? You can easily browse other destinations by searching flights to 'Everywhere' - this will allow you to find the cheapest place to travel from your origin.


Prices shown on this page are estimated lowest prices only. Found in the last 45 days.