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Cheap flights from London Heathrow Airport to St. John's from C$ 443

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYT
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London Heathrow to St John's are usually found in February or January, booked 59 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Heathrow to St. John's

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to St. John's (YYT). 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 11 September 2025.

Round-trip from

C$ 885

One-way from

C$ 443

Popular in

December

Cheapest in

February

Average price

C$ 1,110
4/10-11/10
  • 4/10-11/10
  • 3 total stops
  • 39h 05m total
  • London to St. John's
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20/10
  • 20/10
  • 2 total stops
  • 30h 51m total
  • London to St. John's
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Highest demand for flights based on searches. 8% potential increase in price (C$ 146 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 67 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Heathrow to St. John's

Cheapest flights from Heathrow to St. John's
Explore the most affordable flight options available from Heathrow to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sat 4/107:45 p.m.LHR - YYT
1 stop20h 55mMultiple Airlines
Sat 11/103:00 p.m.YYT - LHR
2 stops18h 10mMultiple Airlines
Deal found 11/9C$ 885
Thu 2/103:05 p.m.LHR - YYT
2 stops50h 38mMultiple Airlines
Mon 6/1012:30 a.m.YYT - LHR
1 stop8h 40mMultiple Airlines
Deal found 10/9C$ 890
Mon 1/126:50 a.m.LHR - YYT
2 stops14h 01mAir Canada
Mon 8/126:50 a.m.YYT - LHR
2 stops20h 50mAir Canada
Deal found 10/9C$ 963
Wed 1/106:50 a.m.LHR - YYT
2 stops13h 49mAir Canada
Mon 13/108:45 a.m.YYT - LHR
2 stops21h 20mAir Canada
Deal found 10/9C$ 980
Sun 21/96:15 a.m.LHR - YYT
1 stop10h 25mMultiple Airlines
Wed 1/1012:30 a.m.YYT - LHR
1 stop8h 40mMultiple Airlines
Deal found 11/9C$ 995

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to St. John's 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 11 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to St. John's that are best for you.

Fly from

Heathrow

Fly to

St. John's

Route

Depart

Return

Price

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Sat 4/10

7:45 p.m.-1:10 p.m.

1 stop20h 55m

St John's

Sat 11/10

3:00 p.m.-12:40 p.m.

2 stops18h 10m

C$ 885

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Thu 2/10

3:05 p.m.-2:13 p.m.

2 stops50h 38m

St John's

Mon 6/10

12:30 a.m.-12:40 p.m.

1 stop8h 40m

C$ 890

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 1/10

6:50 a.m.-5:09 p.m.

2 stops13h 49m

St John's

Mon 13/10

8:45 a.m.-9:35 a.m.

2 stops21h 20m

C$ 980

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Sun 21/9

6:15 a.m.-1:10 p.m.

1 stop10h 25m

St John's

Wed 1/10

12:30 a.m.-12:40 p.m.

1 stop8h 40m

C$ 995

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 10/3

9:00 a.m.-1:33 a.m.

2 stops19h 03m

St John's

Tue 17/3

8:55 p.m.-8:35 p.m.

1 stop21h 10m

C$ 1,019

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 23/9

9:30 a.m.-10:56 p.m.

2 stops16h 56m

St John's

Tue 30/9

3:00 p.m.-11:50 a.m.

1 stop17h 20m

C$ 1,039

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Thu 13/11

9:00 a.m.-1:33 a.m.

2 stops20h 03m

St John's

Thu 20/11

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

1 stop9h 35m

C$ 1,074

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Mon 20/10

7:35 p.m.-10:56 p.m.

2 stops30h 51m

C$ 443

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 23/9

3:50 p.m.-10:56 p.m.

3 stops34h 36m

C$ 668

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 17/9

7:40 a.m.-4:58 p.m.

2 stops12h 48m

C$ 751

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 17 results
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Best time to book a flight from Heathrow to St. John's

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

How far ahead should I book a flight from London Heathrow Airport to St. John's?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to St. John's. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to St. John's, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to St. John's (average of C$ 221). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of C$ 382). 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.

Reviews of airlines servicing St. John's

Get insights into the airlines that provide service to St. John's. 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 St. John's. Reviews last updated 11 September 2025.
See what other customers who have flown with Air Canada from London Heathrow Airport to St. John's have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,000 reviews
Check prices

Boarding

7.3

Crew

7.8

Entertainment

6.8

Overall

7.1

Comfort

7.1

Food

6.3

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Boarding

7.3

Crew

7.8

Entertainment

6.8

Overall

7.1

Comfort

7.1

Food

6.3

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to St. John's. 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 into for flights to St. John's from London Heathrow?

    St John's (YYT), located 6.7 km from the city centre, is the airport you fly into when you book flights from London Heathrow to St. John's. 1 airline have flights to St John's from London Heathrow on a regular basis. Booking flights from London Heathrow to St John's should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

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

    Airlines like Air Canada fly from London Heathrow Airport to St. John's in about 13h 49m. The time it takes to get you to your destination can typically vary by up to . London Heathrow Airport and St. John's are separated by a distance of 3713 km.

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

    Flying on Air Canada is currently your cheapest option to St. John's, with prices starting at C$ 1,115. You may be able to fly from London Heathrow Airport to St. John's for 5% less than the average price by searching for this airline.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to St. John's (average of C$ 221). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of C$ 382). 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

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Alternative routes for Heathrow to St. John's

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

Top airline flying from Heathrow to St. John's

Discover the top airline that operate flights from Heathrow to St. John's. 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,115AverageC$ 1,222FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Heathrow to St. John's?

Deals for Heathrow to St. John's 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 Heathrow to St. John's?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. John's from Heathrow.

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

Certainly. Search results for flights to St. John's from Heathrow 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 Heathrow to St. John's become cheaper?

Yes! Start tracking prices for Heathrow to St. John's 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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