How long is the flight from London, Ontario to United Kingdom?

There are many flights that can get you from London, Ontario to United Kingdom in 12h 55m. Fly via Air Canada to get the fastest option. London, Ontario and United Kingdom are separated by a distance of 5844 km.

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from London, Ontario to United Kingdom?

While some choose either London - London Gatwick or London - Birmingham, London - London Heathrow is the most popular route from London, Ontario to United Kingdom.

What is the cheapest time of day to fly from YXU to GB?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to United Kingdom as you normally would.

What airport do you fly from for flights from London to United Kingdom?

London (YXU) is the airport you will fly out of if you book a flight from London to United Kingdom. It is only a 8.6 km journey to London (YXU) from London’s city centre.

Can I find deals for flights from London to United Kingdom that include hotel bookings?

Yes. In addition to deals on London to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from London to United Kingdom?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to United Kingdom.

Can I find deals for business class flights from London to United Kingdom?

Yes. Cheapflights offers flight deals from London to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 531+ Cheap Flights from London, ON to the United Kingdom

Cheap flight deals from London to United Kingdom

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to United Kingdom
Explore the most affordable flight options available from London to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.

Thu 12/113:25 p.m. -

1 stop14h 55m

Thu 19/119:00 a.m. -

2 stops16h 27m

Deal found 8/10C$ 983

Thu 5/113:25 p.m. -

1 stop10h 05m

Thu 12/116:00 a.m. -

2 stops19h 27m

Deal found 8/10C$ 987

Thu 5/113:25 p.m. -

2 stops12h 55m

Sun 22/116:00 a.m. -

2 stops19h 27m

Deal found 8/10C$ 989

Wed 4/119:15 a.m. -

1 stop16h 15m

Wed 11/119:00 a.m. -

2 stops16h 27m

Deal found 7/10C$ 990

Fri 20/119:15 a.m. -

2 stops16h 55m

Fri 27/116:00 a.m. -

2 stops19h 27m

Deal found 7/10C$ 992

Wed 4/119:15 a.m. -

2 stops16h 55m

Wed 11/116:00 a.m. -

2 stops19h 27m

Deal found 7/10C$ 994

Sat 7/119:05 p.m. -

1 stop28h 25m

Sat 14/116:00 p.m. -

1 stop31h 27m

Deal found 8/10C$ 1,003

Sat 17/109:05 a.m. -

1 stop19h 30m

Mon 2/113:00 p.m. -

1 stop22h 37m

Deal found 7/10C$ 1,006

Sun 11/108:20 p.m. -

2 stops19h 40m

Tue 27/106:00 p.m. -

1 stop24h 47m

Deal found 8/10C$ 1,014

Fri 20/113:25 p.m. -

2 stops17h 15m

Fri 27/116:10 p.m. -

3 stops32h 42m

Deal found 6/10C$ 1,134

Fri 20/113:25 p.m. -

2 stops24h 10m

Fri 27/116:50 p.m. -

3 stops32h 02m

Deal found 6/10C$ 1,155

Sun 18/108:20 p.m. -

1 stop30h 00m

Thu 22/109:40 a.m. -

2 stops39h 00m

Deal found 6/10C$ 1,175

Best flights from London to United Kingdom
Discover carefully curated flight deals from London to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Thu 12/113:25 p.m. -

2 stops12h 55m

Thu 19/117:40 a.m. -

2 stops17h 47m

Deal found 8/10C$ 984

Thu 5/113:25 p.m. -

2 stops12h 55m

Sun 22/116:00 a.m. -

2 stops19h 27m

Deal found 8/10C$ 989

Wed 18/113:25 p.m. -

2 stops14h 00m

Wed 25/1112:50 p.m. -

2 stops24h 42m

Deal found 4/10C$ 1,091

Thu 19/113:25 p.m. -

2 stops26h 55m

Thu 26/116:00 a.m. -

2 stops20h 52m

Deal found 5/10C$ 1,660

Sat 7/119:15 a.m. -

2 stops30h 45m

Sat 14/116:40 p.m. -

2 stops30h 47m

Deal found 8/10C$ 989

Sat 21/113:25 p.m. -

2 stops48h 35m

Sat 28/113:00 p.m. -

1 stop28h 42m

Deal found 7/10C$ 1,019

Thu 5/113:25 p.m. -

2 stops33h 55m

Thu 12/119:10 a.m. -

2 stops34h 32m

Deal found 8/10C$ 1,093

Mon 1/39:15 a.m. -

2 stops18h 10m

Mon 8/36:00 p.m. -

2 stops25h 39m

Deal found 5/10C$ 1,107

Fri 20/113:25 p.m. -

2 stops17h 15m

Fri 27/116:10 p.m. -

3 stops32h 42m

Deal found 6/10C$ 1,134

Fri 20/113:25 p.m. -

2 stops24h 10m

Fri 27/116:50 p.m. -

3 stops32h 02m

Deal found 6/10C$ 1,155

Thu 19/115:30 a.m. -

2 stops22h 40m

Thu 26/1112:00 p.m. -

2 stops25h 32m

Deal found 5/10C$ 1,201

Wed 18/119:15 a.m. -

2 stops17h 40m

Wed 25/119:25 a.m. -

2 stops17h 27m

Deal found 4/10C$ 1,447

Thu 19/116:40 a.m. -

2 stops27h 35m

Thu 26/115:50 a.m. -

2 stops28h 45m

Deal found 7/10C$ 1,483

Mon 23/113:25 p.m. -

2 stops26h 55m

Mon 30/116:10 a.m. -

2 stops37h 32m

Deal found 9/10C$ 1,540

Sat 21/113:25 p.m. -

2 stops23h 45m

Sat 28/116:00 a.m. -

3 stops37h 42m

Deal found 7/10C$ 1,704

Wed 18/113:25 p.m. -

3 stops22h 05m

Wed 25/116:30 a.m. -

2 stops31h 02m

Deal found 4/10C$ 1,846

Find flight deals from London to United Kingdom

Round-trip from	C$ 983
One-way from	C$ 531

Air Canada
12/11-19/11
3 total stops
31h 22m total
London to United Kingdom

Search Deals

19/11-31/12
1 total stop
10h 05m total
London to United Kingdom

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Thu 19/11

3:25 p.m.-6:30 a.m.

1 stop10h 05m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 531

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Wed 18/11

5:30 a.m.-8:30 a.m.

1 stop22h 00m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 533

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Wed 18/11

3:25 p.m.-9:00 p.m.

2 stops24h 35m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 540

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Fri 20/11

9:15 a.m.-9:00 p.m.

2 stops30h 45m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 540

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Sat 21/11

3:25 p.m.-9:00 p.m.

2 stops24h 35m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 541

LondonEdinburgh

YXU London - EDI Edinburgh Turnhouse

YXUEDI

London

Sun 22/11

3:25 p.m.-3:00 p.m.

2 stops18h 35m

Edinburgh Turnhouse

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 563

LondonEdinburgh

YXU London - EDI Edinburgh Turnhouse

YXUEDI

London

Wed 18/11

6:40 a.m.-3:45 p.m.

3 stops52h 05m

Edinburgh Turnhouse

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 625

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Thu 19/11

6:40 a.m.-12:50 p.m.

1 stop25h 10m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 672

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Thu 19/11

9:15 a.m.-9:10 a.m.

2 stops18h 55m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 727

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Sat 21/11

10:00 a.m.-8:05 p.m.

3 stops29h 05m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 851

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 27 resultsSorted by cheapest first

Best time to book a flight from London to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from London with our price prediction graph.

YXU-LHR

YXU-EDI

YXU-LPL

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to the United Kingdom

YXU-GB0

YXU-LHR

YXU-EDI

YXU-LPL

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from London to United Kingdom?
London (YXU) is the airport you will fly out of if you book a flight from London to United Kingdom. It is only a 8.6 km journey to London (YXU) from London’s city centre.
How long is the flight from London, Ontario to United Kingdom?
There are many flights that can get you from London, Ontario to United Kingdom in 12h 55m. Fly via Air Canada to get the fastest option. London, Ontario and United Kingdom are separated by a distance of 5844 km.
What are the most popular routes from London, Ontario to United Kingdom?
While some choose either London - London Gatwick or London - Birmingham, London - London Heathrow is the most popular route from London, Ontario to United Kingdom.
Can I find deals for flights from London to United Kingdom that include hotel bookings?
Yes. In addition to deals on London to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to United Kingdom?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to United Kingdom.
Can I find deals for business class flights from London to United Kingdom?
Yes. Cheapflights offers flight deals from London to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top destinations

Top regions

Alternative routes for London to United Kingdom

Pierre Elliott Trudeau Intl to Charles de Gaulle flights

Pearson Intl to Heathrow flights

Pearson Intl to Charles de Gaulle flights

Pearson Intl to Gatwick flights

Pearson Intl to Istanbul flights

Pearson Intl to Lisbon flights

Toronto Island to Heathrow flights

Pierre Elliott Trudeau Intl to Orly flights

Pearson Intl to London City flights

Pearson Intl to Dublin flights

Pierre Elliott Trudeau Intl to Heathrow flights

Pearson Intl to Stansted flights

Pearson Intl to Leonardo da Vinci/Fiumicino flights

Pearson Intl to Amsterdam flights

Pierre Elliott Trudeau Intl to Istanbul flights

Pearson Intl to Luton flights

Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights

Pierre Elliott Trudeau Intl to Lisbon flights

Pearson Intl to Orly flights

Pierre Elliott Trudeau Intl to Barcelona-El Prat flights

Pierre Elliott Trudeau Intl to Bruxelles-National flights

Toronto Island to Charles de Gaulle flights

Pearson Intl to Frankfurt flights

Pierre Elliott Trudeau Intl to Beauvais-Tille flights

Pierre Elliott Trudeau Intl to Madrid flights

Pierre Elliott Trudeau Intl to Málaga flights

Pearson Intl to Barcelona-El Prat flights

Pierre Elliott Trudeau Intl to Lyon flights

Toronto Island to Lisbon flights

Pearson Intl to Sabiha Gokcen flights

Pearson Intl to Madrid flights

Pierre Elliott Trudeau Intl to Gatwick flights

Pierre Elliott Trudeau Intl to Geneva flights

Pearson Intl to Keflavik Intl flights

Toronto Island to Leonardo da Vinci/Fiumicino flights

Pearson Intl to Munich flights

Pierre Elliott Trudeau Intl to London City flights

Toronto Island to Frankfurt flights

Pearson Intl to Athens flights

Pierre Elliott Trudeau Intl to Stansted flights

Pierre Elliott Trudeau Intl to Toulouse flights

Pearson Intl to Zurich flights

Toronto Island to Gatwick flights

Pierre Elliott Trudeau Intl to Frankfurt flights

Pierre Elliott Trudeau Intl to Sabiha Gokcen flights

Pierre Elliott Trudeau Intl to Luton flights

Pearson Intl to Beauvais-Tille flights

Toronto Island to Dublin flights

Pearson Intl to Frederic Chopin flights

Ottawa to Heathrow flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to United Kingdom?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to United Kingdom from London today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from London to United Kingdom?

Millions of users choose and trust Cheapflights to book the best flight deals from London to United Kingdom for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to United Kingdom with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to United Kingdom, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to United Kingdom become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London, ON to the United Kingdom from C$ 531

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to United Kingdom

Cheapest flights from London to United KingdomExplore the most affordable flight options available from London to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.

Explore the most affordable flight options available from London to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.

Best flights from London to United KingdomDiscover carefully curated flight deals from London to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Discover carefully curated flight deals from London to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Last-minute flights from London to United KingdomDiscover last-minute flight deals from London to United Kingdom. Data last updated 9 October 2026 and is based on user searches.

Discover last-minute flight deals from London to United Kingdom. Data last updated 9 October 2026 and is based on user searches.

One-way flights from London to United KingdomSearch for one-way flight options from London to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Search for one-way flight options from London to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Find flight deals from London to United Kingdom

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to the United Kingdom that are best for you.

Best time to book a flight from London to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from London with our price prediction graph.

Cheapflights Insights

Related info for your journey

What airport do you fly from for flights from London to United Kingdom?

How long is the flight from London, Ontario to United Kingdom?

What are the most popular routes from London, Ontario to United Kingdom?

Can I find deals for flights from London to United Kingdom that include hotel bookings?

How can I find direct flights from London to United Kingdom?

Can I find deals for business class flights from London to United Kingdom?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to United Kingdom by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from London to United Kingdom by cabin class

Find flights from London to United Kingdom, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and United Kingdom flights

Browse other London and United Kingdom flight options. Last updated on 9 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to United Kingdom flights

Consider these flights travelling from London to United Kingdom.

Fly to United Kingdom regions

Consider these flights travelling to United Kingdom regions.

Fly with Cheapflights

How does Cheapflights help users find flights from London to United Kingdom?

Why should you use Cheapflights to find cheap flight tickets from London to United Kingdom?

Can Cheapflights find flights from London to United Kingdom with no change fees?

Can Cheapflights notify me if prices for flights from London to United Kingdom become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to United Kingdom
Explore the most affordable flight options available from London to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.

Best flights from London to United Kingdom
Discover carefully curated flight deals from London to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Last-minute flights from London to United Kingdom
Discover last-minute flight deals from London to United Kingdom. Data last updated 9 October 2026 and is based on user searches.

One-way flights from London to United Kingdom
Search for one-way flight options from London to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.