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Cheap flights from Windsor, ON to London Heathrow Airport from C$ 668

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
YQG — LHR
11 Apr — 18 Apr1
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 12 March 2026.

Wed 22/49:45 a.m.
YQG
-
LHR
1 stop21h 05m
Air Canada
Wed 29/48:40 a.m.
LHR
-
YQG
2 stops29h 24m
Air Canada
Deal found 8/3C$ 1,208
Mon 4/54:05 p.m.
YQG
-
LHR
1 stop11h 30m
Air Canada
Fri 8/56:00 a.m.
LHR
-
YQG
2 stops18h 09m
Air Canada
Deal found 6/3C$ 1,211
Mon 20/49:45 a.m.
YQG
-
LHR
1 stop15h 50m
Multiple Airlines
Mon 27/46:55 a.m.
LHR
-
YQG
2 stops17h 14m
Multiple Airlines
Deal found 9/3C$ 1,215
Fri 24/49:45 a.m.
YQG
-
LHR
2 stops15h 45m
Air Canada
Fri 1/59:30 a.m.
LHR
-
YQG
2 stops14h 39m
Air Canada
Deal found 10/3C$ 1,217
Mon 11/57:45 p.m.
YQG
-
LHR
1 stop11h 05m
Air Canada
Fri 15/55:15 p.m.
LHR
-
YQG
2 stops30h 54m
Air Canada
Deal found 8/3C$ 1,218
Tue 9/64:05 p.m.
YQG
-
LHR
2 stops12h 55m
Air Canada
Mon 29/66:50 a.m.
LHR
-
YQG
2 stops17h 17m
Air Canada
Deal found 6/3C$ 1,222
Wed 2/94:05 p.m.
YQG
-
LHR
1 stop9h 30m
Air Canada
Sun 6/99:30 a.m.
LHR
-
YQG
2 stops14h 37m
Air Canada
Deal found 7/3C$ 1,236

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 12 March 2026.

Round-trip from

C$ 1,208

One-way from

C$ 668

Popular in

December

Cheapest in

May

Average price

C$ 994
Air Canada
  • Air Canada
  • 22/4-29/4
  • 3 total stops
  • 50h 29m total
  • Windsor to London
Search Deals
23/4
  • 23/4
  • 2 total stops
  • 17h 15m total
  • Windsor to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 160 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 March 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 12 March 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

Mon 4/5

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

1 stop11h 30m

London Heathrow

Fri 8/5

6:00 a.m.-7:09 p.m.

2 stops18h 09m

C$ 1,211

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Mon 11/5

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

1 stop11h 05m

London Heathrow

Fri 15/5

5:15 p.m.-7:09 p.m.

2 stops30h 54m

C$ 1,218
Quickest round-trip

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 2/9

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

1 stop11h 05m

London Heathrow

Sun 6/9

12:05 p.m.-7:07 p.m.

1 stop12h 02m

C$ 1,230
Cheapest one-way

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Thu 23/4

7:35 a.m.-5:50 a.m.

2 stops17h 15m

C$ 668

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Tue 21/4

7:35 a.m.-9:00 p.m.

3 stops32h 25m

C$ 721

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Mon 20/4

7:45 p.m.-10:00 p.m.

2 stops21h 15m

C$ 740

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sat 25/4

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

2 stops18h 35m

C$ 740

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sun 6/9

4:30 p.m.-10:20 a.m.

3 stops36h 50m

C$ 771
Quickest one-way

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Mon 7/9

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

1 stop15h 05m

C$ 1,050

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sun 17/5

7:45 p.m.-8:35 a.m.

1 stop31h 50m

C$ 1,191

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Sorted by cheapest first

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$ 922). Flying from Windsor, Ontario to London Heathrow Airport in September is currently the most expensive (average of C$ 1,222). 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 12 March 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
10,800 reviews
Check prices

Comfort

7.1

Crew

7.8

Entertainment

6.8

Overall

7.1

Food

6.3

Boarding

7.3

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
10,800 reviews
Air Canada
7.1
Good
10,800 reviews
Check prices

Comfort

7.1

Crew

7.8

Entertainment

6.8

Overall

7.1

Food

6.3

Boarding

7.3

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 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 . 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$ 958, 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, May is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of C$ 922). Flying from Windsor, Ontario to London Heathrow Airport in September is currently the most expensive (average of C$ 1,222). 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
Twickenham
Sutton
Gatwick
Slough
Marlow
Cobham
Leamington Spa
Romford
Watford
Bedford
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 12 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 958AverageC$ 1,208FlexibilityNo 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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