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Cheap flights from Quebec to London Heathrow Airport from £213

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
8 Sep — 15 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Quebec to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Quebec to Heathrow
Explore the most affordable flight options available from Quebec to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 August 2026.

Wed 19/818:30 -
1 stop12h 25m
Fri 21/811:05 -
1 stop28h 55m
Deal found 7/8£393
Tue 10/1118:30 -
1 stop33h 40m
Tue 17/1120:50 -
1 stop20h 40m
Deal found 8/8£408
Mon 5/1018:35 -
2 stops32h 20m
Thu 8/1006:00 -
1 stop14h 00m
Deal found 4/8£408
Sun 6/906:10 -
1 stop24h 45m
Tue 8/911:05 -
2 stops49h 43m
Deal found 5/8£409
Wed 11/1121:45 -
1 stop12h 45m
Sun 22/1108:15 -
1 stop16h 40m
Deal found 5/8£412
Fri 27/1121:45 -
1 stop18h 50m
Sun 13/1208:15 -
1 stop16h 40m
Deal found 4/8£413
Wed 4/1121:45 -
1 stop12h 45m
Tue 10/1118:30 -
1 stop30h 25m
Deal found 7/8£417
Sat 7/1118:30 -
1 stop33h 40m
Sat 14/1120:50 -
1 stop20h 40m
Deal found 8/8£421
Fri 6/1121:45 -
1 stop16h 10m
Tue 10/1118:30 -
1 stop30h 25m
Deal found 5/8£422
Wed 16/921:00 -
Nonstop6h 35m
Thu 24/906:00 -
2 stops21h 10m
Deal found 5/8£448
Fri 25/919:30 -
1 stop30h 00m
Wed 30/914:10 -
Nonstop7h 55m
Deal found 6/8£453
Sun 13/912:15 -
1 stop27h 45m
Sun 20/909:30 -
1 stop9h 28m
Deal found 5/8£455

Find flight deals from Quebec to Heathrow

Keep the following information in mind while searching for Quebec to Heathrow flight deals. Data was last updated 9 August 2026.

Round-trip from

£393

One-way from

£213

Popular in

December

Cheapest in

November

Average price

£568

Good round-trip deal

£469 or less

Good one-way deal

£318 or less
Air Canada
  • Air Canada
  • 19/8-21/8
  • 2 total stops
  • 41h 20m total
  • Quebec to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 4/10
  • 1 total stop
  • 19h 10m total
  • Quebec to London
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Quebec to London Heathrow.
Search Deals
Price to beat on a one-way flight from Quebec to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Quebec 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 9 August 2026.
Use the filters below to find and compare flights from Quebec to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

06:00-08:50

2 stops21h 50m

London Heathrow

Wed 14/10

08:40-16:55

1 stop13h 15m

£490

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 7/10

06:00-06:20

2 stops19h 20m

London Heathrow

Sat 24/10

06:30-16:55

1 stop15h 25m

£491

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

12:47-10:40

2 stops16h 53m

London Heathrow

Fri 4/9

06:30-16:55

1 stop15h 25m

£491

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Fri 23/10

17:10-16:35

1 stop18h 25m

London Heathrow

Fri 30/10

06:20-16:00

1 stop13h 40m

£493

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 31/10

17:10-07:45

1 stop10h 35m

London Heathrow

Sun 8/11

08:55-15:20

1 stop11h 25m

£497

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Sun 20/9

17:57-10:25

1 stop11h 28m

London Heathrow

Sun 27/9

06:50-23:54

2 stops22h 04m

£505

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

09:15-05:55

2 stops15h 40m

London Heathrow

Sun 30/8

06:50-19:45

2 stops17h 55m

£505

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

16:25-10:40

2 stops13h 15m

London Heathrow

Sat 10/10

06:50-17:23

2 stops15h 33m

£505

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Thu 3/9

19:30-20:40

2 stops20h 10m

London Heathrow

Sun 20/9

06:50-22:35

2 stops20h 45m

£505

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

14:20-06:55

1 stop11h 35m

London Heathrow

Mon 28/9

06:50-22:06

2 stops20h 16m

£506

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 52 resultsSorted by cheapest first
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Best time to book a flight from Quebec to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Quebec 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 Quebec to London Heathrow Airport

What is the cheapest month to book a flight from Quebec to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Quebec to London Heathrow Airport (average of £474). Flying from Quebec to London Heathrow Airport in December is currently the most expensive (average of £702). 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.

What is the cheapest time of day to fly from QC to LHR?

Find hourly flight availability from Quebec to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Quebec to London Heathrow Airport as you normally would.

Weekly flight availability from Quebec to London Heathrow Airport

Explore weekly flight availability from Quebec to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 9 August 2026.

The most flights from CAQC to LHR are scheduled on a Friday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost for a return flight from Quebec to London Heathrow Airport?

Airfare is below average for this route at the moment.
Quebec to London Heathrow Airport flights typically cost between £540 and £703 in August.
The cheapest return price found within the last 5 days was £393 on Air Canada (19 Aug–21 Aug).

How far ahead should I book a flight from Quebec to London Heathrow Airport?

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Quebec to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from Quebec to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Quebec to London Heathrow Airport?

    For as low as £505, Delta can have you in London Heathrow Airport from Quebec in 11h 28m. The distance from Quebec to London Heathrow Airport is about 3320 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Quebec to London Heathrow Airport?

    While some choose either Ottawa - London Heathrow or Québec City - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Heathrow is the most popular route from Quebec to London Heathrow Airport.

  • What are the most reliable airlines from Quebec to London Heathrow Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Quebec to London Heathrow Airport on time: Egyptair (65%), American Airlines (61%), Aer Lingus (61%).

  • What are the cheapest flights from Quebec to London Heathrow Airport?

    On average you can expect to pay £420 for a flight from Quebec to London Heathrow Airport. The cheapest flight overall is £306 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at £413.

  • Can I find deals for flights from Quebec to Heathrow that include hotel bookings?

    Yes. In addition to deals on Quebec to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Quebec to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Quebec to Heathrow.

  • Can I find deals for business class flights from Quebec to Heathrow?

    Yes. Cheapflights offers flight deals from Quebec 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 Quebec to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Quebec to London Heathrow Airport (average of £474). Flying from Quebec to London Heathrow Airport in December is currently the most expensive (average of £702). 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
Hounslow
Milton Keynes
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Poole

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Quebec to Heathrow

Discover the top 2 airlines that operate flights from Quebec 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 858,174 searches. Data last updated 9 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£421Average£499FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£434Average£599FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

How does Cheapflights help users find flights from Quebec to Heathrow?

Deals for Quebec to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Quebec to Heathrow.

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

Yes, we can. To see specific flights from Quebec 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 Quebec to Heathrow become cheaper?

Yes! Start tracking prices for Quebec to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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