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Cheap flights from Ottawa to London

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Find the cheapest flights from Ottawa to London

Cheap return flights

These are some of the best return flight deals from Ottawa to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ottawa to London.

Cheap last-minute flights

Planning a quick getaway from Ottawa to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Ottawa to London

Find recent round-trip train or bus tickets from Ottawa to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
YOW-LHR
6h 50mdirect
LHR-YOW
7h 40mdirect
Aegean Airlines
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YOW-LHR
6h 50mdirect
LHR-YOW
7h 40mdirect
Air Canada
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YOW-LHR
6h 50mdirect
LHR-YOW
7h 40mdirect
Austrian Airlines
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YOW-LHR
6h 50mdirect
LHR-YOW
7h 40mdirect
SriLankan Airlines
Find Deal
YOW-LHR
6h 50mdirect
LHR-YOW
7h 40mdirect
Lufthansa
Find Deal
YOW-LHR
6h 50mdirect
LHR-YOW
7h 40mdirect
TAP AIR PORTUGAL
Find Deal
YOW-LHR
6h 50mdirect
LHR-YOW
7h 40mdirect
United Airlines
Find Deal
YOW-LHR
6h 50mdirect
Aegean Airlines
Find Deal
YOW-LHR
6h 50mdirect
Air Canada
Find Deal
YOW-LHR
6h 50mdirect
Austrian Airlines
Find Deal
YOW-LHR
6h 50mdirect
SriLankan Airlines
Find Deal
YOW-LHR
6h 50mdirect
Lufthansa
Find Deal
YOW-LHR
6h 50mdirect
TAP AIR PORTUGAL
Find Deal
YOW-LHR
6h 50mdirect
United Airlines
Find Deal

How to get the cheapest flight ticket from Ottawa to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Ottawa to London?

January. The cheapest time of year to fly to London from Ottawa is January. The most expensive is December.

How far in advance should you book Ottawa to London flights?

11 days before. The cheapest time to buy a flight from Ottawa to London is approximately 11 days to departure

How have Ottawa to London flight prices changed over time?

As of November 2024, prices for Ottawa to London flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Ottawa to London

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Ottawa to London (YOW to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to London

Direct flights

None
There are no direct flights from Ottawa to London. There are no popular flight routes from Ottawa to London.

  • How far is Ottawa to London by plane?

    Ottawa and London are 5358,1 km apart from one another.

  • When did momondo last update prices for flights from Ottawa Airport to London?

    Prices for flights from Ottawa Airport to London are updated daily.

  • How old do you have to be to fly from Ottawa Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ottawa to London?


Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to London for you.

Can I find flights from Ottawa to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ottawa to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Ottawa to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Ottawa.

I’m not ready to book a flight from Ottawa to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Ottawa and alert you when they change.


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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 49.5 km from London