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Cheap flights from Windsor, ON to London Heathrow Airport from C$ 604

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 21/3. Fares are subject to change and may not be available on all flights or dates of travel.
YQG — LHR
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

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 20 November 2025.

Round-trip from

C$ 999

One-way from

C$ 604

Popular in

December

Cheapest in

May

Average price

C$ 1,394
Air Canada
  • Air Canada
  • 15/2-19/2
  • 3 total stops
  • 46h 39m total
  • Windsor to London
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Lufthansa
  • Lufthansa
  • 21/3
  • 1 total stop
  • 18h 45m total
  • Windsor to London
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Highest demand for flights based on searches. 9% potential increase in price (C$ 179 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 53 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Windsor to Heathrow

Enter your travel dates to find the best prices.

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 20 November 2025.

Mon 8/129:45 a.m.YQG - LHR
1 stop17h 45mAir Canada
Wed 17/121:25 p.m.LHR - YQG
2 stops24h 39mAir Canada
Deal found 20/11C$ 1,915

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 20 November 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

Thu 22/1

9:45 a.m.-8:30 a.m.

1 stop17h 45m

London Heathrow

Mon 26/1

1:45 p.m.-7:14 p.m.

2 stops34h 29m

C$ 1,000

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sat 3/1

7:50 p.m.-7:10 a.m.

2 stops30h 20m

London Heathrow

Sat 10/1

1:25 p.m.-9:04 a.m.

2 stops24h 39m

C$ 1,092

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sun 4/1

7:50 p.m.-6:30 a.m.

1 stop29h 40m

London Heathrow

Sun 11/1

8:05 p.m.-7:14 p.m.

2 stops28h 09m

C$ 1,110

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sun 4/1

7:50 p.m.-6:30 a.m.

1 stop29h 40m

London Heathrow

Sun 11/1

11:10 a.m.-7:14 p.m.

1 stop13h 04m

C$ 1,118

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 6/5

10:05 a.m.-6:30 a.m.

2 stops15h 25m

London Heathrow

Thu 14/5

8:45 a.m.-9:27 a.m.

2 stops29h 42m

C$ 1,158

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sat 21/3

9:45 a.m.-7:10 a.m.

2 stops17h 25m

C$ 604

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sat 21/3

9:45 a.m.-8:30 a.m.

1 stop18h 45m

C$ 604

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Fri 13/3

7:50 p.m.-8:35 p.m.

2 stops44h 45m

C$ 643

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sat 21/3

7:35 a.m.-10:40 p.m.

3 stops35h 05m

C$ 827

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sun 4/1

7:50 p.m.-6:30 a.m.

1 stop29h 40m

C$ 1,169

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

Showing 1-10 of 12 results
1
2

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, June is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of C$ 955). Flying from Windsor, Ontario to London Heathrow Airport in November is currently the most expensive (average of C$ 1,369). 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 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 20 November 2025.
See what other customers who have flown with Air Canada 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.
Air Canada
7.1
Good
10,463 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Crew

7.8

Food

6.3

Overall

7.1

Boarding

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,463 reviews
Air Canada
7.1
Good
10,463 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Crew

7.8

Food

6.3

Overall

7.1

Boarding

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

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.

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

    Airlines like Air Canada fly from Windsor, Ontario to London Heathrow Airport in about 17h 45m. The time it takes to get you to your destination can typically vary by up to . Windsor, Ontario and London Heathrow Airport are separated by a distance of 6013 km.

  • What is the cheapest airline to fly from Windsor, Ontario to London Heathrow Airport round-trip?

    Air Canada, at C$ 1,007, was found to be the cheapest airline from Windsor, Ontario to London Heathrow Airport.. You may be able to fly from Windsor, Ontario to London Heathrow Airport for 22% less than the average price by searching for this airline.

  • 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, June is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of C$ 955). Flying from Windsor, Ontario to London Heathrow Airport in November is currently the most expensive (average of C$ 1,369). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Sutton
Twickenham
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bedford
Luton
Stratford-upon-Avon
Gatwick
Hounslow

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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 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,007AverageC$ 1,251FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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