Find flights
When to book
Airlines
FAQs

Cheap flights from Windsor, ON to London Heathrow Airport from C$ 684

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
YQG — LHR
3 Sep — 10 Sep1
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 4 August 2026.

Wed 7/1010:05 a.m. -
1 stop18h 30m
Thu 15/106:00 a.m. -
2 stops18h 07m
Deal found 3/8C$ 1,348
Thu 3/94:30 p.m. -
3 stops33h 00m
Sat 19/92:05 p.m. -
3 stops30h 41m
Deal found 30/7C$ 1,373
Tue 15/910:05 a.m. -
1 stop17h 30m
Mon 28/96:50 a.m. -
2 stops13h 32m
Deal found 3/8C$ 1,376
Sat 21/1110:35 a.m. -
2 stops15h 35m
Fri 27/116:00 a.m. -
2 stops17h 45m
Deal found 2/8C$ 1,377
Wed 30/97:45 p.m. -
1 stop11h 05m
Mon 12/106:50 a.m. -
2 stops13h 32m
Deal found 1/8C$ 1,386
Mon 14/910:05 a.m. -
2 stops15h 25m
Mon 21/96:50 a.m. -
2 stops13h 32m
Deal found 31/7C$ 1,391
Wed 18/1110:35 a.m. -
1 stop16h 55m
Tue 24/116:00 a.m. -
2 stops17h 45m
Deal found 2/8C$ 1,393
Thu 3/94:05 p.m. -
1 stop9h 30m
Sat 19/98:30 a.m. -
1 stop15h 32m
Deal found 30/7C$ 1,402

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 4 August 2026.

Round-trip from

C$ 1,339

One-way from

C$ 684

Popular in

December

Cheapest in

March

Average price

C$ 1,501
Air Canada
  • Air Canada
  • 31/10-17/11
  • 3 total stops
  • 26h 45m total
  • Windsor to London
Search Deals
16/9
  • 16/9
  • 1 total stop
  • 31h 50m total
  • Windsor to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 4 August 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

Wed 7/10

10:05 a.m.-9:35 a.m.

1 stop18h 30m

London Heathrow

Thu 15/10

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

2 stops18h 07m

C$ 1,348

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Thu 3/9

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

3 stops33h 00m

London Heathrow

Sat 19/9

2:05 p.m.-3:46 p.m.

3 stops30h 41m

C$ 1,373

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Mon 23/11

10:35 a.m.-8:30 a.m.

1 stop16h 55m

London Heathrow

Mon 30/11

9:00 a.m.-9:55 a.m.

2 stops29h 55m

C$ 1,393

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Mon 14/9

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

1 stop9h 30m

London Heathrow

Mon 21/9

5:15 p.m.-7:02 p.m.

2 stops30h 47m

C$ 1,393

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Thu 3/9

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

1 stop9h 30m

London Heathrow

Sat 19/9

8:30 a.m.-7:02 p.m.

1 stop15h 32m

C$ 1,402
Quickest round-trip

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Tue 15/9

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

1 stop9h 30m

London Heathrow

Tue 22/9

8:45 a.m.-7:02 p.m.

2 stops15h 17m

C$ 1,422

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 2/9

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

1 stop20h 45m

London Heathrow

Sun 6/9

12:05 p.m.-7:02 p.m.

1 stop11h 57m

C$ 1,429

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sat 12/9

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

1 stop12h 30m

London Heathrow

Sun 20/9

6:00 a.m.-7:02 p.m.

2 stops18h 02m

C$ 1,430
Cheapest one-way

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 16/9

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

1 stop31h 50m

C$ 684

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Wed 16/9

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

2 stops29h 45m

C$ 686

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 13 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

How much does it cost to fly round-trip from Windsor, Ontario to London Heathrow Airport?

Airfare is below average for this route at the moment.

Windsor, Ontario to London Heathrow Airport flights typically cost between C$ 1,435 and C$ 1,512 in October.
The cheapest round-trip price found within the last 5 days was C$ 1,348 on Air Canada (7 Oct-15 Oct).

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 4 August 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
11,425 reviews
Check prices

Food

6.3

Entertainment

6.8

Comfort

7.1

Overall

7.1

Crew

7.8

Boarding

7.3

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
11,425 reviews
Air Canada
7.1
Good
11,425 reviews
Check prices

Food

6.3

Entertainment

6.8

Comfort

7.1

Overall

7.1

Crew

7.8

Boarding

7.3

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 12h. 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$ 991, 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 25% 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.

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
Luton
Slough
Marlow
Cobham
Hounslow
Leamington Spa
Northampton
Watford
High Wycombe
Stratford-upon-Avon
Moreton-in-Marsh

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 991AverageC$ 1,219FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.