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Cheap flights from Windsor, ON to London Heathrow Airport from C$ 625

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
YQG — LHR
18 May — 25 May1
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 18 April 2026.

Mon 1/610:05 a.m.
YQG
-
LHR
2 stops15h 25m
Air Canada
Mon 8/68:40 a.m.
LHR
-
YQG
2 stops15h 29m
Air Canada
Deal found 17/4C$ 1,215
Mon 14/910:05 a.m.
YQG
-
LHR
1 stop17h 30m
Multiple Airlines
Mon 28/96:50 a.m.
LHR
-
YQG
2 stops13h 32m
Multiple Airlines
Deal found 16/4C$ 1,231
Tue 15/910:05 a.m.
YQG
-
LHR
1 stop17h 30m
Multiple Airlines
Tue 22/96:50 a.m.
LHR
-
YQG
2 stops13h 32m
Multiple Airlines
Deal found 14/4C$ 1,233
Sun 31/57:45 p.m.
YQG
-
LHR
1 stop11h 05m
Air Canada
Thu 4/66:00 a.m.
LHR
-
YQG
2 stops32h 24m
Air Canada
Deal found 13/4C$ 1,246
Fri 5/64:05 p.m.
YQG
-
LHR
1 stop12h 30m
Air Canada
Wed 17/66:00 a.m.
LHR
-
YQG
2 stops18h 09m
Air Canada
Deal found 14/4C$ 1,249
Thu 28/510:05 a.m.
YQG
-
LHR
2 stops18h 55m
Air Canada
Sat 6/68:45 a.m.
LHR
-
YQG
2 stops15h 24m
Air Canada
Deal found 14/4C$ 1,250
Mon 1/610:05 a.m.
YQG
-
LHR
2 stops18h 55m
Air Canada
Wed 10/68:40 a.m.
LHR
-
YQG
2 stops29h 44m
Air Canada
Deal found 15/4C$ 1,252
Sun 14/67:45 p.m.
YQG
-
LHR
1 stop11h 05m
Air Canada
Mon 22/66:50 a.m.
LHR
-
YQG
2 stops13h 32m
Air Canada
Deal found 14/4C$ 1,256

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 18 April 2026.

Round-trip from

C$ 1,215

One-way from

C$ 625

Popular in

December

Cheapest in

March

Average price

C$ 1,188
Air Canada
  • Air Canada
  • 1/6-8/6
  • 4 total stops
  • 30h 54m total
  • Windsor to London
Search Deals
Air Canada
  • Air Canada
  • 15/10
  • 1 total stop
  • 18h 30m total
  • Windsor to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 18 April 2026.
Use the filters below to find and compare flights from Windsor to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Mon 1/6

4:05 p.m.-8:35 a.m.

1 stop11h 30m

London Heathrow

Mon 8/6

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

2 stops15h 29m

C$ 1,227

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Mon 1/6

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

2 stops18h 55m

London Heathrow

Wed 10/6

8:40 a.m.-9:24 a.m.

2 stops29h 44m

C$ 1,252

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 16/9

10:05 a.m.-9:00 p.m.

2 stops29h 55m

London Heathrow

Wed 23/9

6:00 a.m.-7:07 p.m.

2 stops18h 07m

C$ 1,253

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sun 31/5

4:05 p.m.-9:35 a.m.

1 stop12h 30m

London Heathrow

Thu 4/6

8:45 a.m.-3:24 p.m.

2 stops35h 39m

C$ 1,253

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Fri 9/10

4:05 p.m.-9:00 p.m.

2 stops23h 55m

London Heathrow

Tue 13/10

7:30 p.m.-9:22 a.m.

2 stops42h 52m

C$ 1,257

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Tue 9/6

10:05 a.m.-6:35 a.m.

1 stop15h 30m

London Heathrow

Mon 29/6

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

1 stop11h 52m

C$ 1,268
Cheapest one-way

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Thu 15/10

7:45 p.m.-6:30 a.m.

2 stops29h 45m

C$ 629
Quickest one-way

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Thu 28/5

4:00 p.m.-12:05 p.m.

1 stop15h 05m

C$ 711

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Thu 28/5

4:30 p.m.-4:00 p.m.

3 stops42h 30m

C$ 758

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sun 17/5

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

1 stop17h 30m

C$ 762

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/4

Showing 1-10 of 12 resultsSorted by cheapest first
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, March is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of C$ 1,001). Flying from Windsor, Ontario to London Heathrow Airport in December is currently the most expensive (average of C$ 1,653). 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 18 April 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
10,935 reviews
Check prices

Overall

7.1

Food

6.3

Crew

7.8

Entertainment

6.8

Comfort

7.1

Boarding

7.3

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good
Air Canada
7.1
Good
10,935 reviews
Air Canada
7.1
Good
10,935 reviews
Check prices

Overall

7.1

Food

6.3

Crew

7.8

Entertainment

6.8

Comfort

7.1

Boarding

7.3

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good

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 15h 30m. 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$ 980, 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, March is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of C$ 1,001). Flying from Windsor, Ontario to London Heathrow Airport in December is currently the most expensive (average of C$ 1,653). 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
Gatwick
Twickenham
Bromley
Sutton
Slough
Marlow
Cobham
Leamington Spa
Watford
Luton
High Wycombe
Stratford-upon-Avon
Hounslow
Moreton-in-Marsh

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 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 980AverageC$ 1,197FlexibilityNo 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?

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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