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Cheap flights from Quebec to London Heathrow Airport from £249

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
20 Jun — 27 Jun1
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 21 May 2026.

Fri 16/1022:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Sun 1/1112:25
LHR
-
YUL
1 stop12h 30m
TAP AIR PORTUGAL
Deal found 20/5£458
Wed 30/922:45
YUL
-
LHR
1 stop11h 50m
TAP AIR PORTUGAL
Wed 14/1013:45
LHR
-
YUL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 19/5£462
Thu 8/1022:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Wed 14/1013:45
LHR
-
YUL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 18/5£462
Mon 15/612:15
YOW
-
LHR
1 stop27h 45m
Multiple Airlines
Mon 22/608:40
LHR
-
YOW
2 stops17h 31m
Multiple Airlines
Deal found 18/5£464
Tue 26/520:40
YUL
-
LHR
1 stop15h 25m
Lufthansa
Tue 2/610:50
LHR
-
YUL
1 stop13h 00m
Lufthansa
Deal found 19/5£464
Sun 24/516:40
YUL
-
LHR
1 stop10h 15m
SWISS
Thu 28/508:45
LHR
-
YUL
1 stop11h 15m
SWISS
Deal found 17/5£465
Fri 22/517:30
YOW
-
LHR
1 stop22h 30m
Air Canada
Fri 29/509:30
LHR
-
YOW
2 stops17h 21m
Air Canada
Deal found 16/5£466
Wed 7/1022:45
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Tue 13/1018:45
LHR
-
YUL
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 19/5£466
Fri 22/522:10
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Tue 2/606:00
LHR
-
YUL
1 stop12h 50m
Multiple Airlines
Deal found 19/5£467
Mon 18/518:55
YOW
-
LHR
Nonstop6h 35m
Air Canada
Wed 27/509:30
LHR
-
YOW
2 stops15h 21m
Air Canada
Deal found 16/5£467
Thu 21/513:10
YUL
-
LHR
1 stop12h 20m
Air Canada
Fri 29/509:30
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 17/5£467
Wed 3/621:05
YOW
-
LHR
Nonstop6h 30m
Air Canada
Sun 7/609:30
LHR
-
YOW
1 stop17h 41m
Air Canada
Deal found 18/5£468

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 21 May 2026.

Round-trip from

£458

One-way from

£249

Popular in

December

Cheapest in

September

Average price

£476

Good round-trip deal

£472 or less

Good one-way deal

£485 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 16/10-1/11
  • 2 total stops
  • 27h 35m total
  • Quebec to London
Search Deals
7/6
  • 7/6
  • 3 total stops
  • 41h 55m total
  • Quebec to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£0 potential increase over avg. return price).
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 May 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 21 May 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
Fastest return journey

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 1/6

18:55-06:30

Nonstop6h 35m

London Heathrow

Mon 15/6

09:30-12:25

Nonstop7h 55m

£484

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

19:00-10:30

1 stop10h 30m

London Heathrow

Sun 7/6

06:30-16:55

1 stop15h 25m

£508

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

09:30-06:20

1 stop15h 50m

London Heathrow

Fri 19/6

11:45-16:55

1 stop10h 10m

£509

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Tue 2/6

17:50-10:25

1 stop11h 35m

London Heathrow

Tue 9/6

08:45-23:54

2 stops20h 09m

£510

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 14/6

18:50-10:45

1 stop10h 55m

London Heathrow

Sun 28/6

06:30-16:55

1 stop15h 25m

£512

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Tue 2/6

06:05-21:25

1 stop10h 20m

London Heathrow

Tue 16/6

06:50-22:05

2 stops20h 15m

£514

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 8/6

15:10-10:40

2 stops14h 30m

London Heathrow

Wed 24/6

06:50-16:38

2 stops14h 48m

£514

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

13:10-10:40

2 stops16h 30m

London Heathrow

Tue 9/6

09:30-17:25

1 stop12h 55m

£522

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

17:00-10:40

1 stop12h 40m

London Heathrow

Mon 8/6

09:30-00:13

2 stops19h 43m

£522

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

15:30-10:40

2 stops14h 10m

London Heathrow

Sun 14/6

09:30-16:10

1 stop11h 40m

£522

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 56 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 January is currently the most expensive (average of £409). 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 21 May 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 21 May 2026.

The most flights from CAQC to LHR are scheduled on a Monday (22 on average). You will have fewer flight options on Thursday, 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?

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 £508, SWISS can have you in London Heathrow Airport from Quebec in 10h 30m. 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 £175. British Airways flights start at £361 while deals on Lufthansa start at £585 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 cheapest flights from Quebec to London Heathrow Airport?

    On average you can expect to pay £564 for a flight from Quebec to London Heathrow Airport. The cheapest flight overall is £451 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at £403.

  • 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 January is currently the most expensive (average of £409). 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
Croydon
Northampton
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Romford
Kingston upon Thames
Eastbourne
Ipswich
Swindon
Guildford
Southall

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 21 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£411Average£603FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£429Average£486FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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