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Cheap flights from Quebec to London Heathrow Airport from £248

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
23 May — 30 May1
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 23 April 2026.

Mon 28/922:00
YUL
-
LHR
Nonstop6h 40m
British Airways
Sun 4/1018:05
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 22/4£432
Wed 30/922:00
YUL
-
LHR
Nonstop6h 40m
British Airways
Mon 5/1018:05
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 18/4£434
Fri 22/521:20
YUL
-
LHR
1 stop18h 40m
Air Canada
Fri 29/508:40
LHR
-
YUL
1 stop11h 20m
Air Canada
Deal found 19/4£454
Thu 21/516:30
YUL
-
LHR
1 stop9h 00m
Air Canada
Wed 27/506:00
LHR
-
YUL
1 stop12h 50m
Air Canada
Deal found 20/4£456
Wed 20/516:40
YUL
-
LHR
1 stop10h 15m
SWISS
Wed 27/506:00
LHR
-
YUL
1 stop14h 00m
SWISS
Deal found 22/4£459
Fri 1/521:20
YUL
-
LHR
1 stop18h 40m
Air Canada
Thu 7/508:45
LHR
-
YUL
1 stop11h 15m
Air Canada
Deal found 18/4£460
Mon 4/516:40
YUL
-
LHR
1 stop10h 15m
SWISS
Mon 11/506:00
LHR
-
YUL
1 stop14h 00m
SWISS
Deal found 19/4£461
Sat 6/617:50
YOW
-
LHR
1 stop11h 10m
Air Canada
Sat 13/612:40
LHR
-
YOW
1 stop11h 13m
Air Canada
Deal found 22/4£468
Fri 22/517:30
YOW
-
LHR
1 stop22h 30m
Air Canada
Fri 29/512:40
LHR
-
YOW
1 stop11h 13m
Air Canada
Deal found 22/4£468
Mon 18/518:55
YOW
-
LHR
Nonstop6h 35m
Air Canada
Wed 27/514:10
LHR
-
YOW
Nonstop7h 55m
Air Canada
Deal found 22/4£469
Tue 2/608:50
YOW
-
LHR
1 stop31h 10m
Multiple Airlines
Tue 9/619:30
LHR
-
YOW
2 stops26h 41m
Multiple Airlines
Deal found 22/4£471
Mon 8/619:30
YOW
-
LHR
1 stop9h 30m
Air Canada
Mon 15/612:40
LHR
-
YOW
1 stop11h 13m
Air Canada
Deal found 22/4£471

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 23 April 2026.

Round-trip from

£432

One-way from

£248

Popular in

December

Cheapest in

September

Average price

£557

Good round-trip deal

£592 or less

Good one-way deal

£448 or less
British Airways
  • British Airways
  • 28/9-4/10
  • Nonstop
  • 13h 50m total
  • Quebec to London
Search Deals
26/5
  • 26/5
  • 3 total stops
  • 20h 55m total
  • Quebec to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Quebec to London Heathrow.
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Price to beat on a one-way flight from Quebec to London Heathrow.
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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 23 April 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

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Tue 15/9

14:48-05:55

1 stop10h 07m

London Heathrow

Tue 22/9

12:10-14:17

2 stops55h 07m

£509

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 5/6

15:10-07:15

1 stop11h 05m

London Heathrow

Fri 12/6

06:55-18:48

2 stops16h 53m

£512

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Thu 11/6

12:35-06:30

1 stop12h 55m

London Heathrow

Mon 15/6

09:30-11:51

1 stop31h 21m

£516

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Sat 10/10

13:40-08:35

1 stop13h 55m

London Heathrow

Wed 14/10

14:10-13:03

1 stop27h 53m

£516

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 1/6

15:10-07:15

1 stop11h 05m

London Heathrow

Tue 9/6

09:30-16:38

1 stop12h 08m

£522

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

17:00-07:55

1 stop9h 55m

London Heathrow

Wed 27/5

09:40-18:53

2 stops14h 13m

£537

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Wed 27/5

16:55-09:20

1 stop11h 25m

London Heathrow

Fri 5/6

15:20-22:41

1 stop12h 21m

£554

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Sat 13/6

18:00-10:40

1 stop11h 40m

London Heathrow

Wed 24/6

07:45-16:00

1 stop13h 15m

£554

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Wed 3/6

16:55-09:20

1 stop11h 25m

London Heathrow

Mon 22/6

07:45-16:00

1 stop13h 15m

£555

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Thu 14/5

06:00-21:20

1 stop10h 20m

London Heathrow

Mon 25/5

07:45-16:00

1 stop13h 15m

£555

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Showing 1-10 of 60 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, July is the cheapest month in which you can book a flight from Quebec to London Heathrow Airport (average of £101). Flying from Quebec to London Heathrow Airport in September is currently the most expensive (average of £1,324). 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 23 April 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 23 April 2026.

The most flights from CAQC to LHR are scheduled on a Tuesday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).

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

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 £537, United Airlines can have you in London Heathrow Airport from Quebec in 9h 55m. The distance from Quebec to London Heathrow Airport is about 3239 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Quebec to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at £173. British Airways flights start at £358 while deals on Lufthansa start at £581 one-way.

  • 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: Thai Airways (85%), American Airlines (83%), Aer Lingus (83%).

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

    On average you can expect to pay £606 for a flight from Quebec to London Heathrow Airport. The cheapest flight overall is £441 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at £432.

  • 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, July is the cheapest month in which you can book a flight from Quebec to London Heathrow Airport (average of £101). Flying from Quebec to London Heathrow Airport in September is currently the most expensive (average of £1,324). 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
Milton Keynes
Wembley
Croydon
Hounslow
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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 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 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£402Average£482FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£408Average£598FlexibilityNo 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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