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Cheap flights from Windsor, ON to London Heathrow Airport from C$ 595

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
YQG — LHR
26 Jun — 3 Jul1
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 27 May 2026.

Sat 10/1010:05 a.m.
YQG
-
LHR
2 stops17h 30m
Air Canada
Tue 13/1012:10 p.m.
LHR
-
YQG
2 stops35h 57m
Air Canada
Deal found 26/5C$ 1,254
Mon 16/119:45 a.m.
YQG
-
LHR
1 stop20h 35m
Air Canada
Mon 23/116:00 a.m.
LHR
-
YQG
2 stops18h 14m
Air Canada
Deal found 23/5C$ 1,276
Tue 1/129:45 a.m.
YQG
-
LHR
1 stop17h 45m
Air Canada
Fri 18/123:00 p.m.
LHR
-
YQG
1 stop23h 09m
Air Canada
Deal found 25/5C$ 1,332
Tue 7/74:05 p.m.
YQG
-
LHR
1 stop9h 30m
Air Canada
Tue 14/712:40 p.m.
LHR
-
YQG
2 stops25h 42m
Air Canada
Deal found 26/5C$ 1,367
Wed 15/74:05 p.m.
YQG
-
LHR
2 stops11h 30m
Lufthansa
Wed 22/79:30 a.m.
LHR
-
YQG
2 stops14h 32m
Lufthansa
Deal found 26/5C$ 1,368

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 27 May 2026.

Round-trip from

C$ 1,254

One-way from

C$ 595

Popular in

December

Cheapest in

March

Average price

C$ 1,197
Air Canada
  • Air Canada
  • 10/10-13/10
  • 3 total stops
  • 56h 42m total
  • Windsor to London
Search Deals
7/7
  • 7/7
  • 3 total stops
  • 43h 50m total
  • Windsor to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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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 27 May 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

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sat 10/10

10:05 a.m.-11:50 a.m.

1 stop20h 45m

London Heathrow

Tue 13/10

12:10 p.m.-7:07 p.m.

2 stops35h 57m

C$ 1,254

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Tue 21/7

7:45 p.m.-9:00 p.m.

2 stops20h 15m

London Heathrow

Tue 28/7

5:40 p.m.-7:02 p.m.

1 stop30h 22m

C$ 1,390

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Mon 3/8

7:45 p.m.-11:50 a.m.

1 stop11h 05m

London Heathrow

Mon 17/8

5:40 p.m.-3:22 p.m.

1 stop26h 42m

C$ 1,392
Quickest round-trip

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 8/7

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

1 stop9h 30m

London Heathrow

Wed 22/7

9:30 a.m.-7:02 p.m.

2 stops14h 32m

C$ 1,395

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 5/8

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

1 stop12h 30m

London Heathrow

Wed 19/8

9:30 a.m.-7:07 p.m.

2 stops14h 37m

C$ 1,396

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Tue 7/7

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

1 stop9h 30m

London Heathrow

Tue 14/7

5:40 p.m.-3:22 p.m.

1 stop26h 42m

C$ 1,399
Cheapest one-way

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Thu 15/10

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

1 stop12h 30m

C$ 609

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 29/7

4:30 p.m.-1:30 p.m.

3 stops40h 00m

C$ 708

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 29/7

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

1 stop15h 30m

C$ 729

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Thu 15/10

4:30 p.m.-6:50 p.m.

3 stops21h 20m

C$ 744

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/5

Showing 1-10 of 15 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$ 1,011). Flying from Windsor, Ontario to London Heathrow Airport in December is currently the most expensive (average of C$ 1,668). 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 27 May 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
11,092 reviews
Check prices

Food

6.3

Entertainment

6.8

Overall

7.1

Crew

7.8

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Air Canada
7.1
Good
11,092 reviews
Air Canada
7.1
Good
11,092 reviews
Check prices

Food

6.3

Entertainment

6.8

Overall

7.1

Crew

7.8

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!

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 20h 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$ 974, 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 24% 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$ 1,011). Flying from Windsor, Ontario to London Heathrow Airport in December is currently the most expensive (average of C$ 1,668). 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
Romford
Twickenham
Ilford
Bromley
Sutton
Hounslow
Slough
Marlow
Cobham
Leamington Spa
Northampton
Watford
Luton
High Wycombe
Stratford-upon-Avon
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 27 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 974AverageC$ 1,208FlexibilityNo 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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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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