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Cheap flights from Quebec to London Heathrow Airport from £243

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
25 Apr — 2 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 26 March 2026.

Mon 1/622:45
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Wed 10/611:20
LHR
-
YUL
1 stop14h 25m
TAP AIR PORTUGAL
Deal found 21/3£410
Mon 25/522:45
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Tue 2/619:50
LHR
-
YUL
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 22/3£412
Mon 1/622:45
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Mon 8/613:45
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 21/3£415
Mon 25/522:45
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Sun 7/616:35
LHR
-
YUL
1 stop33h 35m
TAP AIR PORTUGAL
Deal found 22/3£416
Mon 8/622:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Tue 16/618:45
LHR
-
YUL
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 21/3£417
Mon 25/522:45
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Mon 15/611:20
LHR
-
YUL
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 22/3£418
Sun 24/522:45
YUL
-
LHR
1 stop33h 00m
TAP AIR PORTUGAL
Tue 16/619:50
LHR
-
YUL
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 22/3£421
Mon 8/622:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Mon 22/611:20
LHR
-
YUL
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 23/3£422
Mon 1/622:45
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Sun 14/619:50
LHR
-
YUL
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 25/3£423
Fri 5/622:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Mon 15/613:45
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 24/3£424
Mon 25/506:05
YOW
-
LHR
2 stops19h 50m
United Airlines
Mon 8/608:40
LHR
-
YOW
2 stops20h 14m
United Airlines
Deal found 25/3£509
Sat 30/515:10
YOW
-
LHR
1 stop11h 05m
United Airlines
Sat 6/608:45
LHR
-
YOW
2 stops20h 09m
United Airlines
Deal found 23/3£510

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 26 March 2026.

Round-trip from

£410

One-way from

£243

Popular in

December

Cheapest in

May

Average price

£514

Good round-trip deal

£590 or less

Good one-way deal

£481 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 1/6-10/6
  • 2 total stops
  • 33h 35m 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 (£7 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 March 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 26 March 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 - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

23:45-09:10

1 stop28h 25m

London Heathrow

Wed 6/5

20:50-17:20

1 stop25h 30m

£512

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 1/6

15:10-10:40

2 stops14h 30m

London Heathrow

Sun 7/6

07:25-23:54

2 stops21h 29m

£514

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 18/5

12:00-08:20

2 stops15h 20m

London Heathrow

Wed 3/6

10:50-22:05

2 stops16h 15m

£520

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 10/6

17:10-07:55

1 stop9h 45m

London Heathrow

Sun 28/6

08:55-15:00

1 stop11h 05m

£539

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Mon 14/9

13:40-06:30

1 stop11h 50m

London Heathrow

Fri 18/9

14:05-09:31

1 stop24h 26m

£550

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Wed 8/4

12:45-05:55

1 stop12h 10m

London Heathrow

Tue 14/4

12:15-22:41

2 stops15h 26m

£553

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Tue 19/5

06:00-21:25

1 stop10h 25m

London Heathrow

Sat 30/5

16:40-12:02

2 stops24h 22m

£556

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Thu 4/6

06:00-21:35

1 stop10h 35m

London Heathrow

Mon 8/6

07:45-16:00

1 stop13h 15m

£556
Fastest return journey

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

22:00-09:40

Nonstop6h 40m

London Heathrow

Wed 23/9

18:05-20:15

Nonstop7h 10m

£568

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 2/5

14:40-09:20

2 stops13h 40m

London Heathrow

Sun 31/5

08:45-23:54

2 stops20h 09m

£590

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 58 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 £334). Flying from Quebec to London Heathrow Airport in July is currently the most expensive (average of £511). 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 26 March 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.

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 £539, United Airlines can have you in London Heathrow Airport from Quebec in 9h 45m. 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 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 £586 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: Aegean Airlines (81%), Egyptair (75%), Thai Airways (75%).

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

    On average you can expect to pay £599 for a flight from Quebec to London Heathrow Airport. The cheapest flight overall is £448 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, November is the cheapest month in which you can book a flight from Quebec to London Heathrow Airport (average of £334). Flying from Quebec to London Heathrow Airport in July is currently the most expensive (average of £511). 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
Northampton
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Eastbourne
Guildford
Watford
Kingston upon Thames
Romford
Ipswich
Swindon
Bedford

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 26 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£400Average£487FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£412Average£604FlexibilityNo 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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