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Cheap flights from Quebec to London Heathrow Airport from C$ 420

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
26 Jun — 3 Jul1
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 27 May 2026.

Sun 18/1010:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Sun 1/1112:25 p.m.
LHR
-
YUL
1 stop12h 30m
TAP AIR PORTUGAL
Deal found 22/5C$ 811
Mon 21/910:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Mon 28/911:20 a.m.
LHR
-
YUL
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 25/5C$ 812
Mon 19/1010:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Sun 1/1112:25 p.m.
LHR
-
YUL
1 stop12h 30m
TAP AIR PORTUGAL
Deal found 22/5C$ 815
Mon 21/910:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Thu 8/101:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 26/5C$ 819
Sun 20/910:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Mon 28/91:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 25/5C$ 822
Fri 6/119:45 p.m.
YUL
-
LHR
1 stop19h 55m
TAP AIR PORTUGAL
Tue 10/116:30 p.m.
LHR
-
YUL
1 stop30h 25m
TAP AIR PORTUGAL
Deal found 22/5C$ 823
Wed 23/910:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Wed 7/106:45 p.m.
LHR
-
YUL
1 stop31h 25m
TAP AIR PORTUGAL
Deal found 26/5C$ 824
Thu 8/1010:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Tue 13/106:45 p.m.
LHR
-
YUL
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 25/5C$ 835
Wed 7/1010:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Wed 21/101:45 p.m.
LHR
-
YUL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 25/5C$ 840
Thu 8/1010:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Thu 22/101:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 22/5C$ 841
Thu 4/66:55 p.m.
YOW
-
LHR
Nonstop6h 35m
Austrian Airlines
Wed 17/66:00 a.m.
LHR
-
YOW
2 stops18h 46m
Austrian Airlines
Deal found 26/5C$ 848
Thu 8/1010:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Wed 21/101:45 p.m.
LHR
-
YUL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 25/5C$ 852

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 27 May 2026.

Round-trip from

C$ 853

One-way from

C$ 420

Popular in

December

Cheapest in

September

Average price

C$ 882

Good round-trip deal

C$ 1,057 or less

Good one-way deal

C$ 1,001 or less
Austrian Airlines
  • Austrian Airlines
  • 7/9-23/9
  • 2 total stops
  • 22h 45m 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 (C$ 3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 24 potential savings vs. average RT 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

 
Customize 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 629,999 searches. Data last updated 27 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 round-trip

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 7/6

2:35 p.m.-6:30 a.m.

1 stop10h 55m

London Heathrow

Sun 14/6

2:05 p.m.-9:11 p.m.

1 stop12h 06m

C$ 903

Québec CityLondon

YQB - LHR

YQBLHR

Québec City

Mon 14/9

1:54 p.m.-6:50 a.m.

1 stop11h 56m

London Heathrow

Mon 21/9

5:25 p.m.-1:47 p.m.

1 stop25h 22m

C$ 954

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

5:00 p.m.-7:55 a.m.

1 stop9h 55m

London Heathrow

Sun 14/6

8:40 a.m.-4:55 p.m.

1 stop13h 15m

C$ 956

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Tue 8/9

5:57 p.m.-10:25 a.m.

1 stop11h 28m

London Heathrow

Fri 18/9

4:40 p.m.-9:11 a.m.

2 stops21h 31m

C$ 962

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 13/6

6:05 a.m.-8:40 p.m.

1 stop9h 35m

London Heathrow

Mon 22/6

6:00 p.m.-10:03 a.m.

2 stops21h 03m

C$ 964

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 15/6

5:50 p.m.-9:20 a.m.

1 stop10h 30m

London Heathrow

Sun 21/6

6:00 p.m.-9:11 a.m.

1 stop20h 11m

C$ 964

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 2/10

5:10 a.m.-5:55 a.m.

2 stops19h 45m

London Heathrow

Sun 18/10

7:45 a.m.-9:11 a.m.

1 stop30h 26m

C$ 978

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 10/9

12:00 p.m.-6:55 a.m.

2 stops13h 55m

London Heathrow

Mon 14/9

11:05 a.m.-9:15 p.m.

2 stops15h 10m

C$ 989

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

10:25 p.m.-10:00 a.m.

Nonstop6h 35m

London Heathrow

Sun 28/6

9:30 a.m.-12:00 p.m.

Nonstop7h 30m

C$ 1,002
Quickest round-trip

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

10:00 p.m.-9:40 a.m.

Nonstop6h 40m

London Heathrow

Fri 18/9

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

C$ 1,019

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/5

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 round-trip 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 C$ 188). Flying from Quebec to London Heathrow Airport in January is currently the most expensive (average of C$ 758). 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 27 May 2026.

When flying from Quebec to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 27 May 2026.

The most flights from CAQC to LHR are scheduled on a Monday (20 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip 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?

    A quick flight from Quebec to London Heathrow Airport can take about 9h 55m. Lufthansa provides one of the quickest options available for as low as C$ 956. Quebec and London Heathrow Airport are separated by a distance of 5213 km. 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?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as C$ 391. Users have also found prices from C$ 436 and C$ 436 on Lufthansa and Air Canada, respectively.

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

    The most popular route from Quebec to London Heathrow Airport is Montreal Pierre Elliott Trudeau Intl - London Heathrow. You may also consider Ottawa - London Heathrow or Québec City - London Heathrow.

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

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

    Looking at all options, your cheapest flight can be booked for C$ 804. While the most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow) can be booked for C$ 812 on average, our data indicates C$ 1,610 when flying from Quebec to London Heathrow Airport.

  • 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 vacation 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 C$ 188). Flying from Quebec to London Heathrow Airport in January is currently the most expensive (average of C$ 758). 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
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Hounslow
Slough
Marlow
Cobham
Leamington Spa
Northampton
Watford
Luton
High Wycombe
Stratford-upon-Avon
Moreton-in-Marsh

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Quebec to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Heathrow flights
Vancouver Intl to Heathrow flights
Pearson Intl to Gatwick flights
Pearson Intl to Stansted flights
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Toronto Island to Gatwick flights
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Pierre Elliott Trudeau Intl to London City flights
Halifax to Heathrow flights
Pierre Elliott Trudeau Intl to Stansted flights
Ottawa to Heathrow flights
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Pierre Elliott Trudeau Intl to Luton flights
Calgary to London City flights
Calgary to Stansted flights
Pierre Elliott Trudeau Intl to Southend flights
Vancouver Intl to Luton flights
Edmonton to Heathrow flights
Halifax to Gatwick flights
Abbotsford to Gatwick flights
Ottawa to Gatwick flights
Edmonton to Gatwick flights
Calgary to Luton flights
Ottawa to Stansted flights
Halifax to Stansted flights
Halifax to London City flights
Ottawa to London City flights
Winnipeg to Heathrow flights
Edmonton to London City flights
Edmonton to Stansted flights
Winnipeg to Gatwick flights
Ottawa to Luton flights
Québec City to Heathrow flights
St. John's to Gatwick flights
Halifax to Luton flights
Québec City to Gatwick flights
Victoria to Heathrow flights
Kelowna to Heathrow flights
St. John's to Heathrow flights
Winnipeg to London City flights
Winnipeg to Stansted flights

Top 7 airlines flying from Quebec to Heathrow

Discover the top 7 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 629,999 searches. Data last updated 27 May 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapestC$ 681AverageC$ 738FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 693AverageC$ 992FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 757AverageC$ 1,158FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapestC$ 757AverageC$ 1,046FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapestC$ 760AverageC$ 1,069FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapestC$ 777AverageC$ 971FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapestC$ 862AverageC$ 1,115FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

When you search for this flight from Quebec to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Quebec to Heathrow for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Heathrow from Quebec shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Quebec to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Quebec to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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