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Cheap flights from Windsor, ON to London Heathrow Airport from C$ 559

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
YQG — LHR
8 Jul — 15 Jul1
1 adult

Cheap flight deals from Windsor to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Windsor (YQG) to Heathrow (LHR). 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 3 July 2025.

Round-trip from

C$ 1,143

One-way from

C$ 559

Popular in

December

Cheapest in

November

Average price

C$ 1,333
Air Canada
  • Air Canada
  • 14/10-28/10
  • 3 total stops
  • 33h 14m total
  • Windsor to London
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Air Canada
  • Air Canada
  • 16/8
  • 3 total stops
  • 18h 55m total
  • Windsor to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 37 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Windsor to Heathrow

Cheapest flights from Windsor to Heathrow
Explore the most affordable flight options available from Windsor to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Tue 14/1010:05 a.m.YQG - LHR
1 stop18h 55mAir Canada
Tue 28/108:55 a.m.LHR - YQG
2 stops14h 19mAir Canada
Deal found 1/7C$ 1,143
Wed 13/84:00 p.m.YQG - LHR
2 stops13h 00mLufthansa
Tue 26/87:25 a.m.LHR - YQG
2 stops36h 54mLufthansa
Deal found 3/7C$ 1,276
Fri 15/810:05 a.m.YQG - LHR
2 stops18h 55mMultiple Airlines
Fri 22/88:30 a.m.LHR - YQG
1 stop11h 52mMultiple Airlines
Deal found 1/7C$ 1,277

Cheapflights Fare Finder

Customize your flight search to find flights from Windsor to Heathrow 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 July 2025.
Use the filters below to find and compare flights from Windsor to London Heathrow Airport that are best for you.

Fly from

Windsor

Fly to

Heathrow

Route

Depart

Return

Price

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Tue 14/10

10:05 a.m.-10:00 a.m.

1 stop18h 55m

London Heathrow

Tue 28/10

8:55 a.m.-7:14 p.m.

2 stops14h 19m

C$ 1,143

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 13/8

4:00 p.m.-10:00 a.m.

2 stops13h 00m

London Heathrow

Tue 26/8

7:25 a.m.-3:19 p.m.

2 stops36h 54m

C$ 1,276

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Fri 15/8

10:05 a.m.-10:00 a.m.

2 stops18h 55m

London Heathrow

Fri 22/8

8:30 a.m.-3:22 p.m.

1 stop11h 52m

C$ 1,277

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sat 16/8

10:05 a.m.-10:00 a.m.

3 stops18h 55m

C$ 559

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 6/8

2:30 p.m.-9:30 a.m.

2 stops14h 00m

C$ 575

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sat 16/8

4:00 p.m.-9:45 p.m.

2 stops24h 45m

C$ 720

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Best time to book a flight from Windsor to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Windsor 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 Windsor to London Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of C$ 560). Flying from Windsor, Ontario to London Heathrow Airport in July is currently the most expensive (average of C$ 857). 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.

How much does it cost to fly round-trip from Windsor, Ontario to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 3 July 2025.
See what other customers who have flown with SWISS,Air Canada, andLufthansa from Windsor to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,654 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Comfort

7.4

Food

7.1

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
SWISS
7.5
Good
1,654 reviews
SWISS
7.5
Good
1,654 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Comfort

7.4

Food

7.1

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Air Canada
7.1
Good
9,681 reviews
SWISS
7.5
Good
1,654 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Comfort

7.4

Food

7.1

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Lufthansa
6.8
Okay
7,207 reviews
SWISS
7.5
Good
1,654 reviews
Check prices

Boarding

7.6

Entertainment

6.8

Comfort

7.4

Food

7.1

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Related info for your journey

Find useful and relevant information for your journey from Windsor to Heathrow. 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 Windsor to London Heathrow?

    Windsor (YQG), located 8.0 km from the city centre, is the airport you fly out of when you book flights from Windsor to London Heathrow. 1 airline have flights from Windsor to London Heathrow on a regular basis. Booking flights from Windsor to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • What are the cheapest airlines flying from Windsor, Ontario to London Heathrow Airport round-trip?

    Air Canada, at C$ 1,143, was found to be the cheapest airline from Windsor, Ontario to London Heathrow Airport. An alternate airline flying to your destination would be Lufthansa. You may be able to fly from Windsor, Ontario to London Heathrow Airport for 8% less than the average price by searching for these airlines.

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

    Yes. In addition to deals on Windsor to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Windsor to Heathrow?

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of C$ 560). Flying from Windsor, Ontario to London Heathrow Airport in July is currently the most expensive (average of C$ 857). 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 Windsor?

Book flights to Windsor if you plan to visit one of these locations
Brentford
Sutton
Hounslow
Slough
Leamington Spa
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Windsor to Heathrow

Discover the top airline that operate flights from Windsor to Heathrow. 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 629,999 searches. Data last updated 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,133AverageC$ 1,215FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Windsor to Heathrow?

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Can Cheapflights find flights from Windsor to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Windsor to Heathrow flexibly with Cheapflights today.

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

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