What are the cheapest airlines to fly from United Kingdom to London, Ontario one-way?

The cheapet airlines for a one-way flight from United Kingdom to London, Ontario are Avianca (£665), Lufthansa (£686), and WestJet (£852).

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

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

What is the cheapest month to fly from United Kingdom to London, Ontario?

The best pricing can be found in the month of February. Prices to London, Ontario from United Kingdom average £659. You can even find prices in February for less than £659, as users have found deals to London, Ontario from as low as £512. The month of December appears to be one of the more expensive times to travel to London, Ontario from United Kingdom. Flying in the targeted month can save you up to 62%.

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.

£822+ Flights from the United Kingdom to London, Ontario

Cheap flight deals from United Kingdom to London

Round-trip from	£454
One-way from	£307
Popular in	December
Cheapest in	February
Average price	£526

Air Canada
24/4-27/4
4 total stops
45h 24m total
United Kingdom to London

Search Deals

27/2
1 total stop
26h 20m total
United Kingdom to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£93 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from United Kingdom to London

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 21 February 2025.

Thu 24/419:30LHR - YXU

2 stops29h 49mAir Canada

Sun 27/409:55YXU - LHR

2 stops15h 35mAir Canada

Deal found 20/2£454

Tue 25/309:30LHR - YXU

2 stops38h 50mLufthansa

Wed 23/409:55YXU - LHR

2 stops30h 05mLufthansa

Deal found 20/2£470

Mon 7/420:05LHR - YXU

2 stops29h 14mMultiple Airlines

Mon 14/409:55YXU - LHR

2 stops19h 05mMultiple Airlines

Deal found 20/2£522

Thu 27/214:00LGW - YXU

1 stop26h 20mMultiple Airlines

Mon 3/312:20YXU - LGW

1 stop16h 40mMultiple Airlines

Deal found 19/2£545

Tue 22/416:40LHR - YXU

2 stops27h 08mUnited Airlines

Mon 28/415:25YXU - LHR

2 stops12h 55mUnited Airlines

Deal found 20/2£577

Tue 25/310:00LCY - YXU

2 stops38h 20mLufthansa

Wed 23/409:55YXU - LCY

2 stops25h 30mLufthansa

Deal found 20/2£590

Thu 24/417:50STN - YXU

2 stops31h 28mMultiple Airlines

Sun 27/415:25YXU - STN

2 stops19h 05mMultiple Airlines

Deal found 20/2£600

Tue 16/911:50MAN - YXU

1 stop13h 57mMultiple Airlines

Tue 23/909:55YXU - MAN

2 stops31h 50mMultiple Airlines

Deal found 20/2£669

Tue 16/911:50MAN - YXU

1 stop32h 07mLufthansa

Mon 22/909:55YXU - MAN

1 stop19h 05mLufthansa

Deal found 20/2£676

Fri 21/209:25LCY - YXU

2 stops15h 55mMultiple Airlines

Tue 1/409:55YXU - LCY

2 stops17h 15mMultiple Airlines

Deal found 20/2£793

Fri 19/911:50MAN - YXU

1 stop13h 57mAir Canada

Sun 21/915:35YXU - MAN

2 stops13h 50mAir Canada

Deal found 20/2£795

Mon 21/421:50GLA - YXU

2 stops27h 29mMultiple Airlines

Fri 25/405:15YXU - GLA

2 stops28h 55mMultiple Airlines

Deal found 20/2£906

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 21 February 2025.

Thu 24/419:30LHR - YXU

2 stops29h 49mAir Canada

Sun 27/409:55YXU - LHR

2 stops15h 35mAir Canada

Deal found 20/2£454

Tue 25/310:30LHR - YXU

2 stops37h 50mLufthansa

Wed 23/415:25YXU - LHR

1 stop13h 10mLufthansa

Deal found 20/2£470

Mon 7/420:05LHR - YXU

2 stops29h 14mMultiple Airlines

Mon 14/409:55YXU - LHR

2 stops19h 05mMultiple Airlines

Deal found 20/2£522

Tue 22/415:20LHR - YXU

2 stops22h 53mUnited Airlines

Fri 2/515:35YXU - LHR

2 stops14h 50mUnited Airlines

Deal found 20/2£577

Sun 6/414:10LHR - YXU

1 stop34h 03mWestJet

Sun 13/420:00YXU - LHR

1 stop35h 05mWestJet

Deal found 20/2£1,098

Tue 25/310:00LCY - YXU

2 stops38h 20mLufthansa

Wed 23/409:55YXU - LCY

2 stops25h 30mLufthansa

Deal found 20/2£590

Thu 24/417:50STN - YXU

2 stops31h 28mMultiple Airlines

Sun 27/415:25YXU - STN

2 stops19h 05mMultiple Airlines

Deal found 20/2£600

Thu 17/706:00LHR - YXU

2 stops16h 07mSWISS

Sun 20/717:45YXU - LHR

3 stops19h 45mSWISS

Deal found 20/2£1,328

Thu 24/418:55LGW - YXU

2 stops30h 23mMultiple Airlines

Sun 27/415:25YXU - LGW

2 stops24h 30mMultiple Airlines

Deal found 20/2£608

Sat 26/422:05LHR - YXU

2 stops45h 43mAvianca

Wed 30/405:15YXU - LHR

2 stops29h 20mAvianca

Deal found 20/2£1,688

Sun 6/407:00MAN - YXU

2 stops18h 18mMultiple Airlines

Sun 13/415:25YXU - MAN

3 stops27h 20mMultiple Airlines

Deal found 20/2£765

Sun 6/419:15LCY - YXU

3 stops30h 04mMultiple Airlines

Sun 13/420:00YXU - LCY

3 stops33h 05mMultiple Airlines

Deal found 20/2£862

Last-minute flights from United Kingdom to London
Discover last-minute flight deals from United Kingdom to London. Data last updated 21 February 2025 and is based on user searches.

Fri 21/209:25LCY - YXU

2 stops15h 55mMultiple Airlines

Tue 1/409:55YXU - LCY

2 stops17h 15mMultiple Airlines

Deal found 20/2£793

Sat 22/207:10LHR - YXU

3 stops18h 10mUnited Airlines

Tue 1/415:25YXU - LHR

2 stops13h 45mUnited Airlines

Deal found 20/2£644

Thu 27/215:00LHR - YXU

2 stops23h 15mAir Canada

Mon 3/315:25YXU - LHR

1 stop10h 05mAir Canada

Deal found 19/2£486

Thu 27/214:00LGW - YXU

1 stop26h 20mMultiple Airlines

Mon 3/312:20YXU - LGW

1 stop16h 40mMultiple Airlines

Deal found 19/2£545

Thu 27/211:10LHR - YXU

1 stop14h 10mMultiple Airlines

Mon 3/315:25YXU - LHR

1 stop10h 05mMultiple Airlines

Deal found 19/2£553

Thu 27/209:25LCY - YXU

2 stops15h 55mMultiple Airlines

Mon 3/315:25YXU - LCY

2 stops13h 00mMultiple Airlines

Deal found 19/2£1,809

Thu 20/306:00MAN - YXU

2 stops41h 13mWestJet

Thu 27/320:00YXU - MAN

2 stops45h 30mWestJet

Deal found 20/2£2,180

Tue 25/310:30LHR - YXU

2 stops37h 50mLufthansa

Wed 23/415:25YXU - LHR

1 stop13h 10mLufthansa

Deal found 20/2£470

Tue 25/310:00LCY - YXU

2 stops38h 20mLufthansa

Wed 23/409:55YXU - LCY

2 stops25h 30mLufthansa

Deal found 20/2£590

Tue 25/307:25STN - YXU

3 stops40h 55mMultiple Airlines

Wed 23/415:25YXU - STN

2 stops16h 20mMultiple Airlines

Deal found 20/2£992

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 21 February 2025.

Thu 27/214:00LGW - YXU

1 stop26h 20mMultiple Airlines

Deal found 20/2£307

Wed 26/211:00STN - YXU

3 stops53h 20mMultiple Airlines

Deal found 20/2£414

Thu 27/209:50LHR - YXU

2 stops30h 30mMultiple Airlines

Deal found 20/2£572

Wed 26/221:40LHR - YXU

2 stops40h 35mAvianca

Deal found 20/2£665

Tue 25/214:30LHR - YXU

1 stop23h 45mLufthansa

Deal found 20/2£686

Wed 26/214:50LHR - YXU

1 stop33h 23mWestJet

Deal found 20/2£852

Thu 27/218:40LGW - YXU

2 stops30h 40mSWISS

Deal found 20/2£1,405

Wed 26/209:25LCY - YXU

2 stops15h 55mSWISS

Deal found 20/2£1,416

Tue 25/207:10LHR - YXU

3 stops18h 10mUnited Airlines

Deal found 20/2£1,435

Find flights from United Kingdom to London within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 24/4

19:30-20:19

2 stops29h 49m

London

Sun 27/4

09:55-06:30

2 stops15h 35m

£454

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Tue 25/3

09:30-20:20

2 stops38h 50m

London

Wed 23/4

09:55-21:00

2 stops30h 05m

£470

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 7/4

20:05-20:19

2 stops29h 14m

London

Mon 14/4

09:55-10:00

2 stops19h 05m

£522

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Tue 22/4

16:40-14:48

2 stops27h 08m

London

Mon 28/4

15:25-09:20

2 stops12h 55m

£577

LondonLondon

LCY - YXU

LCYYXU

London City

Tue 25/3

10:00-20:20

2 stops38h 20m

London

Wed 23/4

09:55-16:25

2 stops25h 30m

£590

LondonLondon

STN - YXU

STNYXU

London Stansted

Thu 24/4

17:50-20:18

2 stops31h 28m

London

Sun 27/4

15:25-15:30

2 stops19h 05m

£600

LondonLondon

LGW - YXU

LGWYXU

London Gatwick

Thu 24/4

18:55-20:18

2 stops30h 23m

London

Sun 27/4

15:25-20:55

2 stops24h 30m

£608

ManchesterLondon

MAN - YXU

MANYXU

Manchester

Sun 6/4

07:00-20:18

2 stops18h 18m

London

Sun 13/4

15:25-23:45

3 stops27h 20m

£765

LondonLondon

LCY - YXU

LCYYXU

London City

Sun 6/4

19:15-20:19

3 stops30h 04m

London

Sun 13/4

20:00-10:05

3 stops33h 05m

£862

GlasgowLondon

GLA - YXU

GLAYXU

Glasgow Intl

Mon 21/4

21:50-20:19

2 stops27h 29m

London

Fri 25/4

05:15-15:10

2 stops28h 55m

£906

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 24 results

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 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.

Travel insights for flights from United Kingdom to London

Get recent, data-driven insights about flights from United Kingdom to London including ideal travel times, pricing trends, and more.

Rainfall in London by month

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.

Temperature in London by month

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).

Reviews of airlines servicing London

Read through reviews of airlines operating flights from United Kingdom to London, such as SWISS, United Airlines and WestJet. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.5

Good

1,568 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

SWISS

7.5

Good

1,568 reviews

SWISS

7.5

Good

1,568 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

United Airlines

7.4

Good

8,759 reviews

SWISS

7.5

Good

1,568 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

WestJet

7.2

Good

2,801 reviews

SWISS

7.5

Good

1,568 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

Air Canada

7.0

Good

8,756 reviews

SWISS

7.5

Good

1,568 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

Avianca

6.8

Okay

2,430 reviews

SWISS

7.5

Good

1,568 reviews

Check prices

Reviews

1 / 20

6.0

Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

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.
What are the cheapest airlines to fly from United Kingdom to London, Ontario one-way?
The cheapet airlines for a one-way flight from United Kingdom to London, Ontario are Avianca (£665), Lufthansa (£686), and WestJet (£852).
What are the most popular routes from United Kingdom to London, Ontario?
Most travelers choose London Heathrow - London, London Gatwick - London or London City - 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 for United Kingdom to London

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Gatwick to Pearson Intl flights

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Manchester to Pearson Intl flights

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Edinburgh to Pearson Intl flights

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Manchester to Toronto Island flights

Heathrow to Ottawa flights

Birmingham to Pearson Intl flights

Manchester to Pierre Elliott Trudeau Intl flights

Stansted to Pierre Elliott Trudeau Intl flights

Gatwick to Ottawa flights

Glasgow Intl to Pearson Intl flights

Charles de Gaulle to Pierre Elliott Trudeau Intl flights

London City to Ottawa flights

Edinburgh to Toronto Island flights

Birmingham to Toronto Island flights

Istanbul to Pearson Intl flights

Edinburgh to Pierre Elliott Trudeau Intl flights

Heathrow to London flights

Birmingham to Pierre Elliott Trudeau Intl flights

Southampton to Pearson Intl flights

Gatwick to London flights

Leeds to Pearson Intl flights

Manchester to Ottawa flights

Heathrow to Windsor flights

Newcastle upon Tyne to Pearson Intl flights

Bruxelles-National to Pearson Intl flights

Dublin to Toronto Island flights

Bristol to Pearson Intl flights

Dublin to Pearson Intl flights

Glasgow Intl to Hamilton flights

Aberdeen to Pearson Intl flights

Top airline flying from United Kingdom to London

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£474	Average£737	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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.

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

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.

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

Of course! You can now track prices for flights from United Kingdom to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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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 the United Kingdom to London, Ontario from £307

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/2. 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

Keep the following information in mind while searching for United Kingdom to London flight deals. Data was last updated 21 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 21 February 2025.

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 21 February 2025.

Find flights from United Kingdom to London within your budget

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.

Travel insights for flights from United Kingdom to London

Get recent, data-driven insights about flights from United Kingdom to London including ideal travel times, pricing trends, and more.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Read through reviews of airlines operating flights from United Kingdom to London, such as SWISS, United Airlines and WestJet. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines to fly from United Kingdom to London, Ontario one-way?

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.

Top airline flying from United Kingdom to London

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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?

100% Free

Book with Flexibility

Travel Smart

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 21 February 2025.