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Cheap flights from the United Kingdom to London, ON from C$ 982

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YXU
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to London

Keep the following information in mind while searching for United Kingdom to London flight deals. Data was last updated 3 November 2025.

Round-trip from

C$ 982

Popular in

December

Cheapest in

April

Average price

C$ 1,053
Lufthansa
  • Lufthansa
  • 4/12-8/12
  • 3 total stops
  • 28h 10m total
  • United Kingdom to London
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Highest demand for flights based on searches. 3% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from United Kingdom to London

Enter your travel dates to find the best prices.

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 3 November 2025.

Thu 4/126:35 a.m.LHR - YXU
2 stops15h 30mLufthansa
Mon 8/125:40 p.m.YXU - LHR
1 stop12h 40mLufthansa
Deal found 3/11C$ 982
Mon 1/128:15 p.m.LHR - YXU
2 stops25h 50mLufthansa
Mon 8/125:40 p.m.YXU - LHR
1 stop12h 40mLufthansa
Deal found 3/11C$ 997
Thu 4/129:00 a.m.LHR - YXU
2 stops17h 21mAir Canada
Mon 8/129:25 a.m.YXU - LHR
2 stops16h 45mAir Canada
Deal found 3/11C$ 1,011
Thu 4/126:00 a.m.LHR - YXU
2 stops16h 05mMultiple Airlines
Mon 8/125:40 p.m.YXU - LHR
2 stops14h 20mMultiple Airlines
Deal found 3/11C$ 1,014
Mon 1/121:45 p.m.LHR - YXU
2 stops36h 36mAir Canada
Mon 8/125:40 p.m.YXU - LHR
1 stop12h 40mAir Canada
Deal found 3/11C$ 1,018
Tue 4/111:25 p.m.LHR - YXU
2 stops24h 21mAir Canada
Tue 11/119:25 a.m.YXU - LHR
2 stops16h 45mAir Canada
Deal found 3/11C$ 1,034
Thu 4/129:40 a.m.LCY - YXU
2 stops16h 41mLufthansa
Mon 8/129:25 a.m.YXU - LCY
2 stops18h 50mLufthansa
Deal found 3/11C$ 1,143
Mon 1/129:50 a.m.LCY - YXU
2 stops16h 31mLufthansa
Mon 8/129:25 a.m.YXU - LCY
2 stops18h 50mLufthansa
Deal found 3/11C$ 1,163
Mon 1/129:50 a.m.LCY - YXU
3 stops27h 56mMultiple Airlines
Mon 8/129:25 a.m.YXU - LCY
3 stops22h 30mMultiple Airlines
Deal found 3/11C$ 1,503
Thu 18/126:00 a.m.BRS - YXU
2 stops31h 46mMultiple Airlines
Thu 25/125:40 p.m.YXU - BRS
2 stops23h 30mMultiple Airlines
Deal found 3/11C$ 1,928
Thu 18/128:40 a.m.LCY - YXU
2 stops29h 06mMultiple Airlines
Thu 25/125:40 p.m.YXU - LCY
2 stops18h 40mMultiple Airlines
Deal found 3/11C$ 2,405
Tue 4/119:50 a.m.LCY - YXU
2 stops16h 31mMultiple Airlines
Tue 11/118:10 p.m.YXU - LCY
3 stops31h 55mMultiple Airlines
Deal found 3/11C$ 2,498

Cheapflights Fare Finder

 
Customize your flight search to find flights from United Kingdom to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from the United Kingdom to London that are best for you.

Fly from

United Kingdom

Fly to

London

Route

Depart

Return

Price

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 4/12

6:35 a.m.-5:05 p.m.

2 stops15h 30m

London

Mon 8/12

5:40 p.m.-11:20 a.m.

1 stop12h 40m

C$ 982

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 1/12

8:15 p.m.-5:05 p.m.

2 stops25h 50m

London

Mon 8/12

5:40 p.m.-11:20 a.m.

1 stop12h 40m

C$ 997

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 4/12

9:00 a.m.-9:21 p.m.

2 stops17h 21m

London

Mon 8/12

9:25 a.m.-7:10 a.m.

2 stops16h 45m

C$ 1,011

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 4/12

6:00 a.m.-5:05 p.m.

2 stops16h 05m

London

Mon 8/12

5:40 p.m.-1:00 p.m.

2 stops14h 20m

C$ 1,014

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 1/12

1:45 p.m.-9:21 p.m.

2 stops36h 36m

London

Mon 8/12

5:40 p.m.-11:20 a.m.

1 stop12h 40m

C$ 1,018

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 26/2

1:45 p.m.-9:21 p.m.

2 stops36h 36m

London

Mon 2/3

5:40 p.m.-11:20 a.m.

1 stop12h 40m

C$ 1,055

LondonLondon

LCY - YXU

LCYYXU

London City

Thu 26/2

9:40 a.m.-5:05 p.m.

2 stops36h 25m

London

Mon 2/3

5:40 p.m.-5:35 p.m.

2 stops42h 55m

C$ 1,108

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 26/2

6:00 p.m.-5:05 p.m.

1 stop28h 05m

London

Mon 2/3

5:40 p.m.-11:20 a.m.

1 stop12h 40m

C$ 1,108

LondonLondon

LCY - YXU

LCYYXU

London City

Thu 4/12

9:40 a.m.-9:21 p.m.

2 stops16h 41m

London

Mon 8/12

9:25 a.m.-9:15 a.m.

2 stops18h 50m

C$ 1,143

LondonLondon

LCY - YXU

LCYYXU

London City

Mon 1/12

9:50 a.m.-9:21 p.m.

2 stops16h 31m

London

Mon 8/12

9:25 a.m.-9:15 a.m.

2 stops18h 50m

C$ 1,163

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 16 results
1
2

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.
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 the United Kingdom to London

What is the cheapest month to book a flight from United Kingdom to London, Ontario?

Currently, August is the cheapest month in which you can book a flight from United Kingdom to London, Ontario (average of C$ 108). Flying from United Kingdom to London, Ontario in December is currently the most expensive (average of C$ 660). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    If you book a flight to London from United Kingdom, you will be flying to London, which is the city’s only airport. London (YXU) is located 8.6 km from the centre of London.

  • 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 15h 30m. Fly via Lufthansa or Air Canada to get the fastest option. There are 5844 km between United Kingdom and London, Ontario. 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?

    The most popular flight routes from United Kingdom to London, Ontario are London Heathrow - London, London City - London and Glasgow Intl - London.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from United Kingdom to London, Ontario?

    Currently, August is the cheapest month in which you can book a flight from United Kingdom to London, Ontario (average of C$ 108). Flying from United Kingdom to London, Ontario in December is currently the most expensive (average of C$ 660). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Port Stanley
Grand Bend

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Need flexible booking options for your flight to London from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on United Kingdom to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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