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Cheap flights from London, Ontario to London from £287

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LON
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to London

Enter your travel dates to find the best prices.

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

Mon 11/509:30
YXU
-
LHR
2 stops19h 55m
United Airlines
Fri 15/515:20
LHR
-
YXU
2 stops25h 23m
United Airlines
Deal found 5/4£578
Sun 3/512:20
YXU
-
LHR
2 stops17h 05m
United Airlines
Sun 17/516:40
LHR
-
YXU
2 stops21h 13m
United Airlines
Deal found 6/4£579
Thu 21/518:10
YXU
-
LHR
1 stop31h 25m
Air Canada
Thu 28/506:00
LHR
-
YXU
2 stops20h 38m
Air Canada
Deal found 5/4£582
Sun 18/1015:30
YXU
-
LHR
1 stop13h 05m
Multiple Airlines
Sat 31/1006:00
LHR
-
YXU
2 stops19h 46m
Multiple Airlines
Deal found 4/4£595
Mon 11/518:10
YXU
-
LHR
1 stop12h 40m
Air Canada
Fri 15/508:40
LHR
-
YXU
2 stops17h 58m
Air Canada
Deal found 5/4£602
Thu 9/409:25
YXU
-
LHR
2 stops17h 55m
United Airlines
Fri 24/415:20
LHR
-
YXU
2 stops30h 44m
United Airlines
Deal found 7/4£606
Sat 2/509:30
YXU
-
LHR
1 stop19h 05m
Air Canada
Sat 9/508:30
LHR
-
YXU
1 stop29h 23m
Air Canada
Deal found 4/4£613
Tue 26/518:10
YXU
-
LHR
1 stop12h 40m
Air Canada
Sat 30/508:30
LHR
-
YXU
1 stop14h 03m
Air Canada
Deal found 4/4£614
Wed 29/417:40
YXU
-
LHR
1 stop13h 10m
Air Canada
Thu 7/508:30
LHR
-
YXU
1 stop14h 03m
Air Canada
Deal found 4/4£615
Tue 5/518:10
YXU
-
LHR
1 stop10h 25m
Air Canada
Sat 16/512:40
LHR
-
YXU
2 stops13h 58m
Air Canada
Deal found 6/4£615
Sat 23/518:10
YXU
-
LGW
2 stops22h 00m
Multiple Airlines
Sat 30/506:35
LGW
-
YXU
3 stops20h 03m
Multiple Airlines
Deal found 8/4£684
Thu 7/518:10
YXU
-
LCY
2 stops18h 20m
SWISS
Sat 16/509:00
LCY
-
YXU
2 stops37h 33m
SWISS
Deal found 7/4£714

Find flight deals from London to London

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 April 2026.

Round-trip from

£578

One-way from

£287

Popular in

August

Cheapest in

July

Average price

£623
United Airlines
  • United Airlines
  • 11/5-15/5
  • 4 total stops
  • 45h 18m total
  • London to London
Search Deals
WestJet
  • WestJet
  • 22/5
  • 3 total stops
  • 37h 45m total
  • London to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 858,174 searches. Data last updated 9 April 2026.
Use the filters below to find and compare flights from London to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLondon

YXU - LHR

YXULHR

London

Sun 3/5

05:10-05:55

2 stops19h 45m

London Heathrow

Sun 10/5

11:05-08:53

2 stops26h 48m

£578

LondonLondon

YXU - LHR

YXULHR

London

Mon 11/5

09:30-06:45

2 stops16h 15m

London Heathrow

Fri 15/5

11:05-17:33

2 stops35h 28m

£578

LondonLondon

YXU - LHR

YXULHR

London

Fri 8/5

12:20-07:15

2 stops13h 55m

London Heathrow

Sun 17/5

16:40-08:53

2 stops21h 13m

£579

LondonLondon

YXU - LHR

YXULHR

London

Wed 6/5

09:30-07:15

2 stops16h 45m

London Heathrow

Fri 15/5

08:00-21:38

2 stops18h 38m

£579
Fastest return journey

LondonLondon

YXU - LHR

YXULHR

London

Fri 8/5

12:20-08:20

2 stops15h 00m

London Heathrow

Sat 16/5

11:05-21:38

2 stops15h 33m

£579

LondonLondon

YXU - LHR

YXULHR

London

Mon 4/5

09:30-06:55

2 stops16h 25m

London Heathrow

Sat 16/5

08:00-21:38

2 stops18h 38m

£579

LondonLondon

YXU - LHR

YXULHR

London

Sat 9/5

09:30-08:20

2 stops17h 50m

London Heathrow

Sat 16/5

11:05-21:38

2 stops15h 33m

£579

LondonLondon

YXU - LHR

YXULHR

London

Fri 8/5

12:20-10:40

2 stops17h 20m

London Heathrow

Mon 18/5

07:45-17:33

2 stops14h 48m

£579

LondonLondon

YXU - LHR

YXULHR

London

Mon 11/5

09:30-08:35

1 stop18h 05m

London Heathrow

Fri 15/5

08:40-21:38

2 stops17h 58m

£602

LondonLondon

YXU - LGW

YXULGW

London

Sat 23/5

18:10-21:10

2 stops22h 00m

London Gatwick

Sat 30/5

06:35-21:38

3 stops20h 03m

£684

Flights are sorted by cheapest return flights first.

Deals found on 7/4

Showing 1-10 of 50 resultsSorted by cheapest first
1
2
3
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5

Best time to book a flight from London to London

Have a flexible travel schedule? Discover the best time to fly to London from London 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.

Cheapflights Insights

Everything you need to know about your flight from London to London

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

Currently, June is the cheapest month in which you can book a flight from London, Ontario to London (average of £355). Flying from London, Ontario to London in July is currently the most expensive (average of £445). 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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 9 April 2026.
Read reviews from past customers who have flown with Air Canada from London 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
10,907 reviews
Check prices

Comfort

7.1

Food

6.3

Boarding

7.3

Overall

7.1

Entertainment

6.8

Crew

7.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,907 reviews
Air Canada
7.1
Good
10,907 reviews
Check prices

Comfort

7.1

Food

6.3

Boarding

7.3

Overall

7.1

Entertainment

6.8

Crew

7.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

Related info for your journey

Find useful and relevant information for your journey from London 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 from for flights from London to London?

    For a flight from London to London, you will be flying from London. London (YXU) is just 5.3 mi from the center of the city. London is the only London airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from London on a regular basis.

  • How long is the flight from London, Ontario to London?

    There are many flights that can get you from London, Ontario to London in 18h 20m. Fly via United Airlines, SWISS, or WestJet to get the fastest option. The distance between London, Ontario and London is about 3650 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    When deciding which route to take from London, Ontario to London consider London - London Heathrow, London - London Gatwick or London - London Stansted as they are the most popular.

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

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

  • How can I find direct flights from London to London?

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

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

    Yes. Cheapflights offers flight deals from London 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 London, Ontario to London?

    Currently, June is the cheapest month in which you can book a flight from London, Ontario to London (average of £355). Flying from London, Ontario to London in July is currently the most expensive (average of £445). 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
Milton Keynes
Wembley
Croydon
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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

Yes, Cheapflights offers price alerts on London 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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