Cheap flights from London Heathrow Airport to London, Ontario from £374
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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Heathrow to London
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to London (YXU). 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 11 July 2025.
Round-trip from | £551 |
---|---|
One-way from | £374 |
Popular in | November |
Cheapest in | January |
Average price | £683 |
Find flight deals from Heathrow to London
Cheapest flights from Heathrow to LondonExplore the most affordable flight options available from Heathrow to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Heathrow to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow 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 11 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonLondon
LHR - YXU
LHRYXU
London Heathrow
Mon 25/8
06:50-15:02
2 stops13h 12m
London
Mon 1/9
15:40-21:00
2 stops24h 20m
LondonLondon
LHR - YXU
LHRYXU
London Heathrow
Mon 25/8
06:50-15:02
2 stops13h 12m
London
Mon 1/9
17:45-06:35
1 stop31h 50m
LondonLondon
LHR - YXU
LHRYXU
London Heathrow
Fri 22/8
16:00-21:27
1 stop10h 27m
London
Sun 31/8
17:45-21:00
2 stops46h 15m
LondonLondon
LHR - YXU
LHRYXU
London Heathrow
Thu 7/8
11:05-21:27
2 stops15h 22m
London
Thu 14/8
15:40-10:10
2 stops13h 30m
LondonLondon
LHR - YXU
LHRYXU
London Heathrow
Mon 25/8
08:40-17:07
2 stops37h 27m
London
Mon 1/9
17:45-21:45
2 stops47h 00m
LondonLondon
LHR - YXU
LHRYXU
London Heathrow
Tue 26/8
07:05-05:14
3 stops51h 09m
LondonLondon
LHR - YXU
LHRYXU
London Heathrow
Sun 24/8
09:30-21:27
2 stops16h 57m
LondonLondon
LHR - YXU
LHRYXU
London Heathrow
Fri 22/8
14:10-05:14
1 stop20h 04m
LondonLondon
LHR - YXU
LHRYXU
London Heathrow
Sat 23/8
17:10-17:07
2 stops28h 57m
Best time to book a flight from Heathrow to London
Have a flexible travel schedule? Discover the best time to fly to London from Heathrow with our price prediction graph.
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 11 July 2025.
See what other customers who have flown with SWISS, United Airlines, andWestJet from London Heathrow Airport to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Jeff,Feb 2025
BER - ZRH
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Jeff,Feb 2025
BER - ZRH
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Jeff,Feb 2025
BER - ZRH
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Jeff,Feb 2025
BER - ZRH
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Jeff,Feb 2025
BER - ZRH
Overall
Food
Crew
Entertainment
Boarding
Comfort
Reviews
Jeff,Feb 2025
BER - ZRH
Related info for your journey
Find useful and relevant information for your journey from Heathrow to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Heathrow to London
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Heathrow to London
Discover the top airline that operate flights from Heathrow to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Heathrow to London?
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 London from Heathrow today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Heathrow to London?
Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to London 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 Heathrow to London with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to London with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to London become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Heathrow today and book when prices fit your budget.