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 - Edinburgh Turnhouse or London - London Gatwick, 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$ 518+ 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 6 November 2026.

Thu 12/113:25 p.m. -

2 stops12h 55m

Thu 19/119:00 a.m. -

2 stops16h 27m

Deal found 2/11C$ 1,010

Sun 29/113:25 p.m. -

1 stop14h 55m

Sun 6/127:40 a.m. -

2 stops19h 12m

Deal found 1/11C$ 1,024

Thu 3/123:20 p.m. -

2 stops24h 40m

Thu 10/127:40 a.m. -

2 stops19h 12m

Deal found 5/11C$ 1,030

Sun 8/119:05 p.m. -

1 stop9h 15m

Sun 15/116:00 a.m. -

2 stops19h 27m

Deal found 1/11C$ 1,033

Wed 18/119:05 p.m. -

2 stops44h 10m

Sat 21/115:20 p.m. -

2 stops26h 22m

Deal found 4/11C$ 1,505

Thu 17/128:20 a.m. -

2 stops23h 30m

Thu 24/127:30 a.m. -

3 stops36h 12m

Deal found 2/11C$ 1,984

Sat 19/128:20 a.m. -

2 stops24h 10m

Sat 26/1211:10 a.m. -

3 stops26h 27m

Deal found 4/11C$ 2,134

Thu 3/123:20 p.m. -

2 stops35h 35m

Mon 7/129:25 a.m. -

2 stops34h 17m

Deal found 5/11C$ 2,243

Wed 23/129:15 a.m. -

2 stops30h 25m

Fri 1/17:20 a.m. -

2 stops30h 17m

Deal found 1/11C$ 2,278

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 6 November 2026.

Sun 29/119:05 p.m. -

2 stops28h 25m

Sun 6/127:40 a.m. -

2 stops19h 12m

Deal found 1/11C$ 1,028

Fri 5/29:15 a.m. -

1 stop16h 15m

Tue 9/29:00 a.m. -

2 stops28h 37m

Deal found 1/11C$ 1,048

Wed 27/19:15 a.m. -

1 stop16h 15m

Tue 9/29:00 a.m. -

2 stops17h 52m

Deal found 2/11C$ 1,048

Mon 1/23:20 p.m. -

1 stop12h 10m

Fri 5/26:00 a.m. -

2 stops31h 37m

Deal found 3/11C$ 1,049

Thu 3/123:20 p.m. -

2 stops35h 35m

Mon 7/129:25 a.m. -

2 stops34h 17m

Deal found 5/11C$ 2,243

Sat 10/49:15 a.m. -

2 stops18h 20m

Wed 14/48:45 a.m. -

2 stops28h 44m

Deal found 5/11C$ 1,056

Wed 27/15:30 a.m. -

1 stop22h 00m

Tue 9/26:00 p.m. -

1 stop25h 42m

Deal found 2/11C$ 1,083

Fri 22/16:40 a.m. -

2 stops34h 05m

Mon 25/16:05 a.m. -

2 stops28h 30m

Deal found 2/11C$ 1,347

Mon 23/116:40 a.m. -

2 stops34h 35m

Fri 27/115:50 a.m. -

2 stops28h 45m

Deal found 2/11C$ 2,967

Thu 17/128:20 a.m. -

2 stops23h 30m

Thu 24/127:30 a.m. -

3 stops36h 12m

Deal found 2/11C$ 1,984

Wed 18/113:25 p.m. -

2 stops17h 45m

Sat 21/118:20 p.m. -

3 stops29h 07m

Deal found 4/11C$ 2,127

Sat 19/128:20 a.m. -

2 stops24h 10m

Sat 26/1211:10 a.m. -

3 stops26h 27m

Deal found 4/11C$ 2,134

Wed 23/129:15 a.m. -

2 stops30h 25m

Sat 2/17:35 a.m. -

2 stops30h 02m

Deal found 1/11C$ 2,686

Find flight deals from London to United Kingdom

Round-trip from	C$ 1,024
One-way from	C$ 518

Lufthansa
29/11-6/12
3 total stops
34h 07m total
London to United Kingdom

Search Deals

26/2-31/12
1 total stop
18h 15m 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

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Fri 19/2

9:15 a.m.-6:30 a.m.

1 stop16h 15m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 523

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Fri 19/2

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$ 524

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Fri 19/2

5:30 a.m.-9:20 p.m.

2 stops34h 50m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 574

LondonEdinburgh

YXU London - EDI Edinburgh Turnhouse

YXUEDI

London

Thu 17/12

8:20 a.m.-7:15 p.m.

2 stops29h 55m

Edinburgh Turnhouse

Wed 31/12

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

Nonstop0h 00m

C$ 929

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Fri 1/1

5:30 a.m.-8:05 a.m.

2 stops21h 35m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 1,003

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Sun 29/11

9:05 p.m.-6:30 a.m.

2 stops28h 25m

London Heathrow

Sun 6/12

7:40 a.m.-9:52 p.m.

2 stops19h 12m

C$ 1,028

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Fri 5/2

9:15 a.m.-6:30 a.m.

1 stop16h 15m

London Heathrow

Tue 9/2

9:00 a.m.-8:37 a.m.

2 stops28h 37m

C$ 1,048

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Wed 27/1

9:15 a.m.-6:30 a.m.

1 stop16h 15m

London Heathrow

Tue 9/2

9:00 a.m.-9:52 p.m.

2 stops17h 52m

C$ 1,048

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Mon 1/2

3:20 p.m.-8:30 a.m.

1 stop12h 10m

London Heathrow

Fri 5/2

6:00 a.m.-8:37 a.m.

2 stops31h 37m

C$ 1,049

LondonLondon

YXU London - LHR London Heathrow

YXULHR

London

Mon 28/12

6:15 a.m.-8:05 a.m.

3 stops44h 50m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 1,051

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/11

Showing 1-10 of 26 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

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

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.
What are the most popular routes from London, Ontario to United Kingdom?
While some choose either London - Edinburgh Turnhouse or London - London Gatwick, 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

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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!

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Cheap flights from London, ON to the United Kingdom from C$ 518

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 26/2. 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 6 November 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 6 November 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 6 November 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 6 November 2026.

Last-minute flights from London to United KingdomDiscover last-minute flight deals from London to United Kingdom. Data last updated 6 November 2026 and is based on user searches.

Discover last-minute flight deals from London to United Kingdom. Data last updated 6 November 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 6 November 2026.

Search for one-way flight options from London to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 6 November 2026.

Find flight deals from London to United Kingdom

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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

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Related info for your journey

What airport do you fly from for flights from London 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 6 November 2026.

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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 6 November 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 6 November 2026.

Last-minute flights from London to United Kingdom
Discover last-minute flight deals from London to United Kingdom. Data last updated 6 November 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 6 November 2026.