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Cheap flights from St. John's to London Heathrow Airport from C$ 541

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — LHR
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. John's to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from St. John's (YYT) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 October 2025.

Round-trip from

C$ 961

One-way from

C$ 541

Popular in

December

Cheapest in

March

Average price

C$ 1,225
Lufthansa
  • Lufthansa
  • 22/11-26/11
  • 3 total stops
  • 31h 26m total
  • St. John's to London
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15/1
  • 15/1
  • 3 total stops
  • 27h 00m total
  • St. John's to London
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Highest demand for flights based on searches. 2% potential increase in price (C$ 38 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 51 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from St. John's to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from St. John's to Heathrow
Explore the most affordable flight options available from St. John's to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.

Sat 22/117:30 a.m.YYT - LHR
1 stop9h 35mMultiple Airlines
Wed 26/116:35 a.m.LHR - YYT
2 stops21h 51mMultiple Airlines
Deal found 26/10C$ 961
Sat 22/1110:15 a.m.YYT - LHR
1 stop30h 50mAir Canada
Fri 28/119:00 a.m.LHR - YYT
2 stops19h 26mAir Canada
Deal found 28/10C$ 973
Mon 24/117:30 a.m.YYT - LHR
2 stops20h 10mMultiple Airlines
Mon 1/126:35 a.m.LHR - YYT
2 stops21h 51mMultiple Airlines
Deal found 27/10C$ 976
Mon 24/118:55 p.m.YYT - LHR
1 stop20h 10mAir Canada
Mon 1/129:00 a.m.LHR - YYT
1 stop18h 00mAir Canada
Deal found 27/10C$ 978
Sat 22/117:30 a.m.YYT - LHR
1 stop9h 35mMultiple Airlines
Fri 28/111:25 p.m.LHR - YYT
1 stop31h 26mMultiple Airlines
Deal found 28/10C$ 989
Wed 26/117:30 a.m.YYT - LHR
2 stops20h 10mAir Canada
Wed 3/121:25 p.m.LHR - YYT
1 stop15h 01mAir Canada
Deal found 27/10C$ 997
Sat 6/1210:15 a.m.YYT - LHR
2 stops17h 25mAir Canada
Sat 13/129:00 a.m.LHR - YYT
1 stop14h 45mAir Canada
Deal found 28/10C$ 999
Thu 11/127:30 a.m.YYT - LHR
1 stop9h 35mAir Canada
Thu 18/129:00 a.m.LHR - YYT
1 stop28h 05mAir Canada
Deal found 27/10C$ 1,073
Fri 12/127:30 a.m.YYT - LHR
1 stop9h 35mAir Canada
Tue 16/121:25 p.m.LHR - YYT
2 stops23h 40mAir Canada
Deal found 26/10C$ 1,165

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. John's 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 28 October 2025.
Use the filters below to find and compare flights from St. John's to London Heathrow Airport that are best for you.

Fly from

St. John's

Fly to

Heathrow

Route

Depart

Return

Price

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 22/11

7:30 a.m.-7:10 a.m.

2 stops20h 10m

London Heathrow

Wed 26/11

6:50 a.m.-5:21 p.m.

2 stops14h 01m

C$ 969

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 22/11

1:25 p.m.-7:10 a.m.

2 stops38h 15m

London Heathrow

Fri 28/11

9:00 a.m.-12:56 a.m.

2 stops19h 26m

C$ 973

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 6/12

7:30 a.m.-8:35 p.m.

1 stop9h 35m

London Heathrow

Sat 13/12

9:00 a.m.-8:15 p.m.

1 stop14h 45m

C$ 978

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 7/12

5:05 a.m.-7:10 a.m.

1 stop22h 35m

London Heathrow

Sun 14/12

9:00 a.m.-11:30 p.m.

1 stop18h 00m

C$ 997

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 26/11

7:30 a.m.-7:10 a.m.

2 stops20h 10m

London Heathrow

Wed 3/12

1:25 p.m.-12:56 a.m.

1 stop15h 01m

C$ 997

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 12/1

1:30 p.m.-6:30 a.m.

1 stop13h 30m

London Heathrow

Mon 19/1

8:45 a.m.-12:56 a.m.

2 stops19h 41m

C$ 999

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 11/12

1:25 p.m.-7:10 a.m.

2 stops14h 15m

London Heathrow

Thu 18/12

9:00 a.m.-11:30 p.m.

1 stop18h 00m

C$ 1,073

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 12/1

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

2 stops21h 25m

London Heathrow

Tue 20/1

10:25 a.m.-1:33 a.m.

2 stops18h 38m

C$ 1,127

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 15/1

6:20 a.m.-12:50 p.m.

3 stops27h 00m

C$ 541

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 10/12

6:00 a.m.-12:50 p.m.

3 stops27h 20m

C$ 565

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 16 results
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2

Best time to book a flight from St. John's to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from St. John's 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 St. John's to London Heathrow Airport

What is the cheapest month to book a flight from St. John's to London Heathrow Airport?

Currently, June is the cheapest month in which you can book a flight from St. John's to London Heathrow Airport (average of C$ 607). Flying from St. John's to London Heathrow Airport in December is currently the most expensive (average of C$ 1,259). 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 YYT to LHR?

Find hourly flight availability from St. John's 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 28 October 2025.

A simple way to save on the total cost of your ticket is to fly from St. John's to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 28 October 2025.
Read reviews from past customers who have flown Air Canada from St. John's to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,370 reviews
Check prices

Food

6.3

Boarding

7.3

Crew

7.8

Entertainment

6.8

Comfort

7.1

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.
Air Canada
7.1
Good
10,370 reviews
Air Canada
7.1
Good
10,370 reviews
Check prices

Food

6.3

Boarding

7.3

Crew

7.8

Entertainment

6.8

Comfort

7.1

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.

Related info for your journey

Find useful and relevant information for your journey from St. John's to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. John's to London Heathrow?

    Most people fly from St John's (YYT) if they book a flight from St. John's to London Heathrow. On average, St John's has 0 outbound flights to London Heathrow per day from 1 airline. St John's is conveniently located just 6.7 km from St. John's’s city centre.

  • How long is the flight from St. John's to London Heathrow Airport?

    Air Canada can get you from St. John's to London Heathrow Airport in just under 38h 15m. Your travel time can differ by up to . There are 3713 km between St. John's and London Heathrow Airport.

  • What is the cheapest airline to fly from St. John's to London Heathrow Airport round-trip?

    Flying on Air Canada is currently your cheapest option to London Heathrow Airport, with prices starting at C$ 922. Air Canada is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from St. John's to Heathrow that include hotel bookings?

    Yes. In addition to deals on St. John's to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. John's to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. John's to Heathrow.

  • Can I find deals for business class flights from St. John's to Heathrow?

    Yes. Cheapflights offers flight deals from St. John's 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 St. John's to London Heathrow Airport?

    Currently, June is the cheapest month in which you can book a flight from St. John's to London Heathrow Airport (average of C$ 607). Flying from St. John's to London Heathrow Airport in December is currently the most expensive (average of C$ 1,259). 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
Sutton
Hounslow
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bedford
Luton
Stratford-upon-Avon
Southall
Gatwick

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. John's to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
St. John's to Gatwick flights
St. John's to London City flights
St. John's to Luton flights

Top airline flying from St. John's to Heathrow

Discover the top airline that operate flights from St. John's 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 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 922AverageC$ 1,112FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from St. John's to Heathrow?

Cheapflights helps you search for flights from St. John's to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. John's to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from St. John's to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from St. John's to Heathrow with no change fees?

Yes, we can. To see specific flights from St. John's 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 St. John's to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on St. John's to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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