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Cheap flights from Windsor, Ontario to London Heathrow Airport from £305

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
YQG — LHR
16 Jul — 23 Jul1
1 adult

Cheap 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 11 July 2025.

Round-trip from

£614

One-way from

£305

Popular in

December

Cheapest in

November

Average price

£720
Air Canada
  • Air Canada
  • 14/10-28/10
  • 3 total stops
  • 33h 14m total
  • Windsor to London
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7/8
  • 7/8
  • 2 total stops
  • 14h 00m total
  • Windsor to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£16 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Windsor to Heathrow

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 11 July 2025.

Tue 14/1010:05YQG - LHR
1 stop18h 55mAir Canada
Tue 28/1008:55LHR - YQG
2 stops14h 19mAir Canada
Deal found 10/7£614
Fri 8/814:30YQG - LHR
3 stops43h 05mMultiple Airlines
Fri 15/807:05LHR - YQG
3 stops35h 45mMultiple Airlines
Deal found 11/7£779
Sat 13/916:00YQG - LHR
2 stops12h 40mLufthansa
Sat 20/920:25LHR - YQG
3 stops23h 47mLufthansa
Deal found 11/7£1,158

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 11 July 2025.
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

Tue 14/10

10:05-10:00

1 stop18h 55m

London Heathrow

Tue 28/10

08:55-19:14

2 stops14h 19m

£614

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Fri 8/8

14:30-14:35

3 stops43h 05m

London Heathrow

Fri 15/8

07:05-13:50

3 stops35h 45m

£779

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sat 13/9

16:00-09:40

2 stops12h 40m

London Heathrow

Sat 20/9

20:25-15:12

3 stops23h 47m

£1,158

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Thu 7/8

14:30-09:30

2 stops14h 00m

£305

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sun 24/8

16:00-08:35

1 stop11h 35m

£371

WindsorLondon

YQG - LHR

YQGLHR

Windsor

Sun 24/8

16:00-07:55

2 stops34h 55m

£753

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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 return 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, January is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of £112). Flying from Windsor, Ontario to London Heathrow Airport in August is currently the most expensive (average of £164). 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 for a return flight 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 11 July 2025.
See what other customers who have flown with SWISS, Air Canada, andLufthansa 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.
SWISS
7.5
Good
1,655 reviews
Check prices

Crew

8.2

Food

7.0

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
SWISS
7.5
Good
1,655 reviews
SWISS
7.5
Good
1,655 reviews
Check prices

Crew

8.2

Food

7.0

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Air Canada
7.1
Good
9,696 reviews
SWISS
7.5
Good
1,655 reviews
Check prices

Crew

8.2

Food

7.0

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Lufthansa
6.8
Okay
7,200 reviews
SWISS
7.5
Good
1,655 reviews
Check prices

Crew

8.2

Food

7.0

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

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?

    Located just 5.0 mi from the city center, Windsor is the airport most travelers will use when flying to London Heathrow from Windsor. Booking flights from Windsor (YQG) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

  • What are the cheapest airlines flying from Windsor, Ontario to London Heathrow Airport round-trip?

    Currently priced at £614, Air Canada will fly you from Windsor, Ontario to London Heathrow Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Lufthansa for as low as £1,158. Air Canada is 9% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Windsor, Ontario to London Heathrow Airport (average of £112). Flying from Windsor, Ontario to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Windsor?

Book flights to Windsor if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Swindon
Maidstone

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

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Can Cheapflights find flights from Windsor to Heathrow with no change fees?

Yes, we can. To see specific flights from Windsor to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Windsor to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Windsor to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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