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

There are many flights that can get you from United Kingdom to London, Ontario in 17h 52m. Fly via Air Canada, United Airlines, or Lufthansa to get the fastest option. Airlines will cover a distance of 3631 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in London, Ontario ranges from 70.0 - 100.0 inches per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London, Ontario when rainfall is around 70.0 mm.

If weather is an important factor for your trip to London, Ontario, 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 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

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

Most travelers choose London Heathrow - London, London City - London or London Gatwick - London when deciding on the best route from United Kingdom to London, Ontario.

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

When flying from United Kingdom to London, Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Located just 5.3 mi from the city center, London (YXU) is the airport most travelers will use when flying to London from United Kingdom.

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

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

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

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

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

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

£370+ Cheap Flights from the United Kingdom to London, Ontario

Cheap flight deals from United Kingdom to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from United Kingdom to London
Explore the most affordable flight options available from United Kingdom to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 November 2026.

Thu 3/1206:00 -

2 stops19h 27m

Thu 10/1215:20 -

2 stops20h 00m

Deal found 31/10£511

Sun 6/1206:00 -

2 stops20h 52m

Sat 12/1215:20 -

1 stop15h 00m

Deal found 29/10£526

Wed 25/1109:00 -

2 stops16h 27m

Wed 2/1215:20 -

2 stops20h 00m

Deal found 28/10£532

Wed 25/1106:00 -

2 stops19h 27m

Wed 2/1215:20 -

1 stop10h 10m

Deal found 28/10£534

Wed 25/1118:40 -

2 stops30h 47m

Wed 2/1215:20 -

2 stops21h 30m

Deal found 28/10£552

Sat 28/1108:30 -

2 stops40h 57m

Sat 5/1215:20 -

1 stop15h 00m

Deal found 28/10£557

Thu 3/1208:30 -

2 stops16h 57m

Thu 10/1209:15 -

2 stops27h 35m

Deal found 31/10£557

Sun 6/1207:30 -

2 stops19h 22m

Sat 12/1209:15 -

2 stops30h 45m

Deal found 28/10£568

Wed 9/1211:30 -

2 stops15h 22m

Mon 14/1215:20 -

2 stops14h 30m

Deal found 31/10£573

Sun 6/1208:40 -

2 stops18h 12m

Sat 12/1215:20 -

2 stops21h 30m

Deal found 29/10£677

Sun 13/1209:40 -

3 stops17h 12m

Sun 20/1209:15 -

3 stops29h 00m

Deal found 29/10£834

Thu 10/1207:15 -

2 stops27h 20m

Mon 14/1209:15 -

3 stops25h 30m

Deal found 31/10£913

Best flights from United Kingdom to London
Discover carefully curated flight deals from United Kingdom to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 November 2026.

Thu 25/209:00 -

2 stops17h 52m

Mon 1/305:30 -

2 stops26h 30m

Deal found 31/10£546

Thu 3/1208:30 -

2 stops16h 57m

Thu 10/1209:15 -

2 stops27h 35m

Deal found 31/10£557

Sat 28/1107:30 -

3 stops17h 57m

Sat 5/1215:20 -

2 stops15h 40m

Deal found 28/10£674

Tue 15/1206:00 -

2 stops31h 37m

Tue 22/1209:15 -

2 stops26h 45m

Deal found 31/10£1,107

Fri 15/109:00 -

2 stops28h 37m

Wed 27/115:20 -

1 stop10h 10m

Deal found 27/10£576

Wed 13/108:05 -

2 stops26h 30m

Tue 26/107:05 -

1 stop17h 45m

Deal found 27/10£678

Wed 25/1106:50 -

3 stops18h 37m

Wed 2/1215:20 -

2 stops14h 05m

Deal found 28/10£692

Sun 13/1218:00 -

1 stop25h 42m

Sun 20/1209:15 -

1 stop18h 15m

Deal found 29/10£712

Wed 16/1210:25 -

2 stops27h 07m

Wed 23/1215:25 -

2 stops48h 35m

Deal found 1/11£762

Wed 16/1215:00 -

1 stop22h 32m

Wed 23/1205:30 -

1 stop22h 00m

Deal found 1/11£799

Sat 12/1211:10 -

2 stops26h 22m

Sat 19/1209:15 -

2 stops30h 20m

Deal found 28/10£821

Sun 13/1209:40 -

3 stops17h 12m

Sun 20/1209:15 -

3 stops29h 00m

Deal found 29/10£834

Thu 25/206:00 -

2 stops28h 35m

Mon 1/306:40 -

2 stops31h 00m

Deal found 28/10£2,489

Thu 10/1207:15 -

2 stops27h 20m

Mon 14/1209:15 -

3 stops25h 30m

Deal found 31/10£913

Fri 18/1206:10 -

3 stops20h 42m

Fri 8/109:15 -

3 stops20h 05m

Deal found 29/10£1,222

Fri 18/1206:00 -

2 stops31h 37m

Fri 8/115:20 -

1 stop12h 25m

Deal found 29/10£1,493

Mon 14/1206:30 -

2 stops20h 22m

Mon 21/1209:15 -

3 stops30h 35m

Deal found 30/10£983

Wed 9/1209:00 -

2 stops17h 52m

Mon 14/1205:30 -

2 stops31h 20m

Deal found 31/10£1,023

Fri 11/1206:00 -

2 stops28h 35m

Fri 18/1206:40 -

2 stops28h 25m

Deal found 27/10£7,108

Find flight deals from United Kingdom to London

Round-trip from	£511
One-way from	£370

Air Canada
3/12-10/12
4 total stops
39h 27m total
United Kingdom to London

Search Deals

12/12-31/12
2 total stops
39h 55m total
United Kingdom to London

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLondon

LGW London Gatwick - YXU London

LGWYXU

London Gatwick

Sat 12/12

18:40-05:35

2 stops39h 55m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£370

EdinburghLondon

EDI Edinburgh Turnhouse - YXU London

EDIYXU

Edinburgh Turnhouse

Thu 26/11

05:50-05:35

2 stops28h 45m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£408

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sun 13/12

09:55-05:35

3 stops48h 40m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£422

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sat 12/12

11:10-14:42

2 stops32h 32m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£436

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Tue 29/12

18:00-08:32

1 stop19h 32m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£437

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 11/12

11:10-14:42

1 stop32h 32m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£438

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 11/12

20:15-21:52

2 stops30h 37m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£438

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Fri 11/12

11:10-08:32

1 stop26h 22m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£439

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Tue 15/12

13:00-08:37

2 stops24h 37m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£445

LondonLondon

LHR London Heathrow - YXU London

LHRYXU

London Heathrow

Sun 13/12

18:00-08:32

1 stop19h 32m

London

Wed 31/12

00:00-06:00

Nonstop0h 00m

£448

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 36 resultsSorted by cheapest first

Best time to book a flight from United Kingdom to London

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

LHR-YXU

LGW-YXU

MAN-YXU

EDI-YXU

Estimated return 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 the United Kingdom to London

GB0-YXU

LHR-YXU

LGW-YXU

MAN-YXU

EDI-YXU

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

Reviews of airlines servicing London

Read reviews from past customers who have flown with Air Canada from the United Kingdom to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

11,842 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sylvia,Aug 2026

YLW - YYZ

The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information

Air Canada

7.1

Good

11,842 reviews

Air Canada

7.1

Good

11,842 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sylvia,Aug 2026

YLW - YYZ

Related info for your journey

What airport do you fly into for flights to London from United Kingdom?
Located just 5.3 mi from the city center, London (YXU) is the airport most travelers will use when flying to London from United Kingdom.
How long is the flight from United Kingdom to London, Ontario?
There are many flights that can get you from United Kingdom to London, Ontario in 17h 52m. Fly via Air Canada, United Airlines, or Lufthansa to get the fastest option. Airlines will cover a distance of 3631 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from United Kingdom to London, Ontario?
Most travelers choose London Heathrow - London, London City - London or London Gatwick - London when deciding on the best route from United Kingdom to London, Ontario.
Can I find deals for flights from United Kingdom to London that include hotel bookings?
Yes. In addition to deals on United Kingdom to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to London.
Can I find deals for business class flights from United Kingdom to London?
Yes. Cheapflights offers flight deals from United Kingdom to London 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 Ontario

Flights by cabin class

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Alternative routes for United Kingdom to London

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Glasgow Intl to Ottawa flights

Southampton to Pearson Intl flights

Birmingham to Ottawa flights

Top airline flying from United Kingdom to London

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£593	Average£762	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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

Deals for United Kingdom to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to London for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from United Kingdom to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Cheap flights from the United Kingdom to London, Ontario from £370

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to London

Cheapest flights from United Kingdom to LondonExplore the most affordable flight options available from United Kingdom to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 November 2026.

Explore the most affordable flight options available from United Kingdom to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 November 2026.

Best flights from United Kingdom to LondonDiscover carefully curated flight deals from United Kingdom to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 November 2026.

Discover carefully curated flight deals from United Kingdom to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 November 2026.

Last-minute flights from United Kingdom to LondonDiscover last-minute flight deals from United Kingdom to London. Data last updated 1 November 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to London. Data last updated 1 November 2026 and is based on user searches.

One-way flights from United Kingdom to LondonSearch for one-way flight options from United Kingdom to London. Find affordable one-way fares based on user searches. Data last updated 1 November 2026.

Search for one-way flight options from United Kingdom to London. Find affordable one-way fares based on user searches. Data last updated 1 November 2026.

Find flight deals from United Kingdom to London

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

Best time to book a flight from United Kingdom to London

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

Cheapflights Insights

Reviews of airlines servicing London

Read reviews from past customers who have flown with Air Canada from the United Kingdom to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

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 United Kingdom to London

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

Complete your trip

Complete your trip to London by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Ontario

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

Search flights from United Kingdom to London by cabin class

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

United Kingdom and London flights

Browse other United Kingdom and London flight options. Last updated on 1 November 2026.

Popular flight searches

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United Kingdom to London flights

Consider these flights travelling from United Kingdom to London.

Top airline flying from United Kingdom to London

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

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

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Cheapest flights from United Kingdom to London
Explore the most affordable flight options available from United Kingdom to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 November 2026.

Best flights from United Kingdom to London
Discover carefully curated flight deals from United Kingdom to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 November 2026.

Last-minute flights from United Kingdom to London
Discover last-minute flight deals from United Kingdom to London. Data last updated 1 November 2026 and is based on user searches.

One-way flights from United Kingdom to London
Search for one-way flight options from United Kingdom to London. Find affordable one-way fares based on user searches. Data last updated 1 November 2026.