Cheap flights to London from C$207

Compare London flights across hundreds of providers

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

Book the best London fare with no extra fees

Flight deals to London

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

London.C$207 per passenger.Departing Sun., Jan. 18.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sun., Jan. 18, arriving in London Heathrow.Price includes taxes and charges.From C$207, select.

London.C$207 per passenger.Departing Tue., Feb. 10.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Tue., Feb. 10, arriving in London Heathrow.Price includes taxes and charges.From C$207, select.

London.C$210 per passenger.Departing Wed., Oct. 22.One-way flight with WestJet.Outbound direct flight with WestJet departs from Halifax International on Wed., Oct. 22, arriving in London Gatwick.Price includes taxes and charges.From C$210, select.

London.C$212 per passenger.Departing Sun., Mar. 1.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Abbotsford on Sun., Mar. 1, arriving in London Heathrow.Price includes taxes and charges.From C$212, select.

London.C$213 per passenger.Departing Mon., Mar. 2.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Mon., Mar. 2, arriving in London Heathrow.Price includes taxes and charges.From C$213, select.

London.C$217 per passenger.Departing Sat., Dec. 6.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sat., Dec. 6, arriving in London Heathrow.Price includes taxes and charges.From C$217, select.

London.C$217 per passenger.Departing Sun., Nov. 16.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sun., Nov. 16, arriving in London Heathrow.Price includes taxes and charges.From C$217, select.

London.C$281 per passenger.Departing Wed., Apr. 8.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Vancouver International on Wed., Apr. 8, arriving in London Heathrow.Price includes taxes and charges.From C$281, select.

Find the cheapest time to fly to London

Flexible on travel dates? Find the cheapest month – or even day – to fly to London.

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Cheapest month:January

Most expensive month:July

Airports in London

Compare routes to London below. You may find an airport to fly into that's cheaper, faster, or easier.

Direct flights to London

Frequently asked questions

How long is the flight to London?

The average flight time to London is 6 hours and 36 minutes. We've calculated this based on journeys from Ottawa.

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

Which airlines offer direct flights to London?

United, Lufthansa, Austrian Airlines, Air Canada, MEA, Aegean Airlines, SriLankan Airlines and EgyptAir all fly direct to London.

When is the cheapest time to fly to London?

The cheapest month to fly to London is usually February.

How can I find the best flight deal to London?

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 London 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.

Can I get a direct flight to London?

Yes – you can fly direct to London Heathrow Airport or London Gatwick Airport, and the average flight time is 7 hours and 7 minutes.

How much are return flights to London?

The best price we found for a return flight to London is C$500. 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 is the cheapest airport in London?

The cheapest airport near London is London Heathrow – which is 22.9 km away from the centre of London. We've found flights into this airport from C$500.

Which upcoming date is cheapest to fly to London on?

After crunching the numbers on our flight calendar, we found that the cheapest date to fly to London is Friday, February 6, 2026.

When is the best time to book flights to London?

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

What’s the weather like in London?

The average temperature in London in September is around 15°C. The warmest month in London is typically August, which averages 22°C. The coolest month is January, with temperatures averaging 1°C. The rainiest month is October, and it usually rains the least in March.

Which is the cheapest airline to fly to London with?

Currently, WestJet offers the cheapest flight tickets to London.

Flying to London

The things to know before you go.

Cheapest flight found	C$207
Cheapest month to fly	February
Average flight time	7 hrs, 16 mins
Most popular airline	United
Average flights per week	2,248

Discover London

How to find cheap flights to London in 2025

Looking for cheap tickets to London? Round-trip tickets to London start from C$500 and one-way flights to London start from C$207.

Here are a few tips on how to score the best price and make your journey as smooth as possible.

Simply hit "search." We've compared plane tickets from all major online travel agents and airlines flying to London to find the cheapest flights. And with us, there are no hidden fees – what you see is what you pay.
Depart from the cheapest location. Look out for flights from Canada - this is the cheapest location to depart from when flying to London.
Fly to the cheapest airport. Search for flights to London Heathrow Airport - this is the cheapest airport to fly to when travelling to London.
Set up a Price Alert. You can easily track the fare of your flights to London by creating an alert. Whenever prices go up or down, you'll get a push notification or email to help you get the best flight deal.
Flex your dates to secure the best air ticket price for your London flight. If your travel dates are flexible, use Skyscanner's "Whole month" tool to find the cheapest time to fly to London.
Compare flight deals to London from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to London start from C$207 one-way.
Include nearby airports in your search. Widen your search for London 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 point and your destination and could help you save next time you travel. For reference, London City
London Heathrow
London Gatwick
London Luton
London Stansted
London Southend serve London.
Look for direct flights. Only interested in direct flights to London? Make sure to check "Direct flights only" when performing a search. Airlines that fly direct to London: United
Lufthansa
Austrian Airlines
Air Canada
MEA
Aegean Airlines
SriLankan Airlines
EgyptAir
Find the cheapest Business class flights to London. We scour the Internet for the best Business, Premium Economy and First Class flight fares to London, too. Check the difference in price as you search – you might just chance upon a last-minute low fare.
Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets to London whenever you want.
Flexible on when you travel? The cheapest month to fly to London is February.

Combine your flight to London with hotels and car rental

Once you've secured your cheap flight ticket to London, discover the best prices and exclusive rates for hotels in London or nearby. You can also compare hundreds of car rental companies all at once so you get the best car rental price for your trip.

Compare London plane tickets with other destinations using the everywhere search

Not quite set on flying to London just yet? You can easily browse other destinations by searching flights to "Everywhere" – this will allow you to find the cheapest place to travel.