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Cheap flights from Quebec to London Heathrow Airport from £218

YUL — LHR
23 Sep — 30 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

Mon 14/920:40 -
1 stop30h 35m
Thu 17/906:00 -
1 stop14h 00m
Deal found 20/8£406
Mon 12/1022:45 -
1 stop15h 05m
Wed 28/1008:15 -
1 stop16h 40m
Deal found 19/8£408
Sun 22/1121:45 -
1 stop19h 55m
Sun 29/1108:15 -
1 stop16h 40m
Deal found 21/8£410
Sat 21/1118:30 -
1 stop20h 35m
Sat 28/1120:50 -
1 stop20h 40m
Deal found 23/8£412
Wed 14/1022:45 -
1 stop11h 50m
Wed 21/1011:20 -
1 stop14h 25m
Deal found 20/8£413
Mon 12/1022:45 -
1 stop19h 10m
Tue 27/1018:30 -
1 stop30h 25m
Deal found 19/8£413
Fri 27/1121:45 -
1 stop18h 50m
Sun 13/1208:15 -
1 stop16h 40m
Deal found 19/8£414
Mon 14/920:40 -
2 stops16h 10m
Wed 16/917:15 -
1 stop26h 45m
Deal found 22/8£415
Wed 14/1022:45 -
1 stop19h 10m
Wed 28/1008:15 -
1 stop16h 40m
Deal found 20/8£416
Sun 20/919:30 -
2 stops16h 10m
Tue 22/912:10 -
2 stops40h 44m
Deal found 19/8£439
Sat 3/1021:00 -
Nonstop6h 35m
Sat 10/1014:10 -
Nonstop7h 55m
Deal found 19/8£455
Wed 7/1017:30 -
1 stop22h 30m
Wed 14/1012:40 -
1 stop31h 05m
Deal found 22/8£456

Find flight deals from Quebec to Heathrow

Round-trip from

£406

One-way from

£218

Popular in

December

Cheapest in

November

Average price

£536

Good round-trip deal

£453 or less

Good one-way deal

£366 or less
SWISS
  • SWISS
  • 14/9-17/9
  • 2 total stops
  • 44h 35m total
  • Quebec to London
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 19/10
  • 1 total stop
  • 19h 10m total
  • Quebec to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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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

 
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 Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Sun 20/9

19:30-16:40

2 stops16h 10m

London Heathrow

Tue 22/9

12:10-23:54

2 stops40h 44m

£439
Fastest return journey

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

18:40-06:30

Nonstop6h 50m

London Heathrow

Mon 14/9

09:30-15:43

1 stop11h 13m

£478

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 6/11

07:00-11:15

2 stops23h 15m

London Heathrow

Sun 8/11

11:05-11:38

2 stops53h 33m

£478

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 19/11

17:00-10:30

1 stop12h 30m

London Heathrow

Fri 4/12

11:45-17:15

1 stop10h 30m

£492

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

17:10-12:05

2 stops13h 55m

London Heathrow

Thu 22/10

08:40-16:55

1 stop13h 15m

£499

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Thu 10/9

15:10-10:40

2 stops14h 30m

London Heathrow

Mon 14/9

08:40-23:54

2 stops20h 14m

£503

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

13:15-09:20

2 stops15h 05m

London Heathrow

Fri 25/9

06:50-17:19

2 stops15h 29m

£508

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

19:05-10:30

1 stop10h 25m

London Heathrow

Wed 11/11

06:30-23:26

2 stops21h 56m

£509

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Mon 7/9

17:20-21:25

2 stops23h 05m

London Heathrow

Mon 28/9

07:45-22:35

1 stop19h 50m

£511

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

06:00-10:40

2 stops23h 40m

London Heathrow

Sun 18/10

16:40-17:23

1 stop29h 43m

£511

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 55 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

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 £478). Flying from Quebec to London Heathrow Airport in December is currently the most expensive (average of £703). 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?

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

The most flights from CAQC to LHR are scheduled on a Tuesday (18 on average). You will have fewer flight options on Thursday, 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 £499 and £650 in September.
The cheapest return price found within the last 5 days was £406 on SWISS (14 Sept–17 Sept).

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

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

    For as low as £478, United Airlines can have you in London Heathrow Airport from Quebec in 6h 50m. 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 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 (68%), MEA (59%), Air Canada (58%).

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

    On average you can expect to pay £455 for a flight from Quebec to London Heathrow Airport. The cheapest flight overall is £303 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at £412.

  • 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 £478). Flying from Quebec to London Heathrow Airport in December is currently the most expensive (average of £703). 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
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Southend-on-Sea
Barnet
Enfield
Swindon
Kingston upon Thames
Southall
Salisbury

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Quebec to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£426Average£552FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£429Average£593FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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