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Cheap flights from Windsor, ON to London Heathrow Airport from C$ 574

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
YQG — LHR
11 Mar — 18 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 9 February 2026.

Wed 25/37:50 p.m.
YQG
-
LHR
1 stop11h 30m
Lufthansa
Mon 30/39:30 a.m.
LHR
-
YQG
2 stops14h 39m
Lufthansa
Deal found 9/2C$ 1,115
Sun 8/27:50 p.m.
YQG
-
LHR
1 stop29h 40m
Air Canada
Mon 23/21:45 p.m.
LHR
-
YQG
2 stops48h 19m
Air Canada
Deal found 7/2C$ 1,133
Wed 25/29:45 a.m.
YQG
-
LHR
1 stop20h 35m
Lufthansa
Wed 4/311:10 a.m.
LHR
-
YQG
1 stop13h 04m
Lufthansa
Deal found 6/2C$ 1,140
Sun 8/27:50 p.m.
YQG
-
LHR
2 stops43h 45m
Multiple Airlines
Mon 23/29:10 a.m.
LHR
-
YQG
2 stops15h 05m
Multiple Airlines
Deal found 7/2C$ 1,151
Wed 25/37:50 p.m.
YQG
-
LHR
1 stop11h 30m
Lufthansa
Wed 1/412:05 p.m.
LHR
-
YQG
1 stop12h 04m
Lufthansa
Deal found 8/2C$ 1,156
Wed 2/94:05 p.m.
YQG
-
LHR
1 stop9h 30m
Air Canada
Wed 9/98:40 a.m.
LHR
-
YQG
2 stops15h 27m
Air Canada
Deal found 7/2C$ 1,162
Wed 2/910:05 a.m.
YQG
-
LHR
2 stops15h 25m
Air Canada
Sun 6/96:00 a.m.
LHR
-
YQG
2 stops18h 07m
Air Canada
Deal found 7/2C$ 1,166
Tue 17/29:45 a.m.
YQG
-
LHR
2 stops29h 50m
Air Canada
Tue 24/29:00 a.m.
LHR
-
YQG
2 stops29h 04m
Air Canada
Deal found 6/2C$ 1,167
Mon 23/27:50 p.m.
YQG
-
LHR
1 stop10h 30m
Air Canada
Mon 2/39:00 a.m.
LHR
-
YQG
2 stops29h 04m
Air Canada
Deal found 6/2C$ 1,169
Sun 8/29:45 a.m.
YQG
-
LHR
1 stop15h 45m
Lufthansa
Mon 23/21:00 p.m.
LHR
-
YQG
1 stop11h 15m
Lufthansa
Deal found 7/2C$ 1,170

Find 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 9 February 2026.

Round-trip from

C$ 1,115

One-way from

C$ 574

Popular in

December

Cheapest in

May

Average price

C$ 1,186
Lufthansa
  • Lufthansa
  • 25/3-30/3
  • 3 total stops
  • 26h 09m total
  • Windsor to London
Search Deals
Lufthansa
  • Lufthansa
  • 23/3
  • 2 total stops
  • 44h 45m total
  • Windsor to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 9 February 2026.
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

Wed 25/3

7:50 p.m.-11:20 a.m.

1 stop11h 30m

London Heathrow

Mon 30/3

8:30 a.m.-7:09 p.m.

1 stop15h 39m

C$ 1,136

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 25/3

7:50 p.m.-11:20 a.m.

1 stop11h 30m

London Heathrow

Wed 1/4

12:05 p.m.-7:09 p.m.

1 stop12h 04m

C$ 1,156

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 25/2

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

1 stop17h 45m

London Heathrow

Wed 4/3

9:00 a.m.-7:14 p.m.

2 stops15h 14m

C$ 1,169

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Mon 23/2

7:50 p.m.-11:20 a.m.

1 stop10h 30m

London Heathrow

Mon 2/3

9:00 a.m.-9:04 a.m.

2 stops29h 04m

C$ 1,169

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 20/5

4:05 p.m.-11:50 a.m.

1 stop14h 45m

London Heathrow

Thu 28/5

8:40 a.m.-7:09 p.m.

2 stops15h 29m

C$ 1,173

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Tue 9/6

10:05 a.m.-8:35 a.m.

1 stop17h 30m

London Heathrow

Mon 29/6

8:30 a.m.-7:07 p.m.

1 stop15h 37m

C$ 1,185

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 25/3

9:40 a.m.-9:20 a.m.

2 stops19h 40m

London Heathrow

Wed 1/4

6:55 a.m.-7:09 p.m.

2 stops17h 14m

C$ 1,188

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sun 31/5

4:05 p.m.-6:35 a.m.

1 stop9h 30m

London Heathrow

Wed 10/6

12:05 p.m.-7:09 p.m.

1 stop12h 04m

C$ 1,188

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Mon 23/3

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

2 stops44h 45m

C$ 574

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 25/3

9:40 a.m.-9:20 a.m.

2 stops19h 40m

C$ 574

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 13 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, May is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of C$ 928). Flying from Windsor, Ontario to London Heathrow Airport in April is currently the most expensive (average of C$ 1,238). 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 9 February 2026.
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
10,700 reviews
Check prices

Comfort

7.1

Overall

7.1

Food

6.3

Entertainment

6.8

Boarding

7.3

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
10,700 reviews
Air Canada
7.1
Good
10,700 reviews
Check prices

Comfort

7.1

Overall

7.1

Food

6.3

Entertainment

6.8

Boarding

7.3

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 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 Lufthansa and Air Canada fly from Windsor, Ontario to London Heathrow Airport in about 11h 30m. The time it takes to get you to your destination can typically vary by up to 6h 15m. Windsor, Ontario and London Heathrow Airport are separated by a distance of 6013 km. This flight may include one or multiple stops.

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

    Air Canada, at C$ 965, 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 23% 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, May is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of C$ 928). Flying from Windsor, Ontario to London Heathrow Airport in April is currently the most expensive (average of C$ 1,238). 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
Gatwick
Slough
Marlow
Cobham
Milton Keynes
Leamington Spa
Romford
Watford
Bedford
Luton
High Wycombe
Stratford-upon-Avon
Hounslow

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 9 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 965AverageC$ 1,217FlexibilityNo 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?

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 Heathrow from Windsor today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Windsor to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Windsor to Heathrow for you. Better yet — we are completely free to use.

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?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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