Cheap flights from London Heathrow Airport to St. John's from £341

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYT
7 Nov — 14 Nov1
1 adult
1 adult, Economy

Find flight deals from Heathrow to St. John's

Enter your travel dates to find the best prices.

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 8 October 2025.

Wed 5/1106:50LHR - YYT
2 stops21h 36mAir Canada
Wed 12/1118:10YYT - LHR
2 stops22h 55mAir Canada
Deal found 8/10£510
Wed 5/1109:00LHR - YYT
2 stops20h 03mMultiple Airlines
Wed 12/1113:30YYT - LHR
1 stop18h 20mMultiple Airlines
Deal found 8/10£516
Tue 11/1107:40LHR - YYT
2 stops19h 03mMultiple Airlines
Tue 25/1106:35YYT - LHR
2 stops21h 05mMultiple Airlines
Deal found 7/10£520
Thu 20/1109:00LHR - YYT
2 stops19h 26mAir Canada
Thu 27/1106:35YYT - LHR
2 stops21h 05mAir Canada
Deal found 6/10£533
Mon 3/1109:00LHR - YYT
2 stops20h 03mAir Canada
Mon 10/1107:30YYT - LHR
2 stops20h 10mAir Canada
Deal found 6/10£538
Tue 4/1106:35LHR - YYT
2 stops20h 08mMultiple Airlines
Tue 11/1105:00YYT - LHR
2 stops22h 40mMultiple Airlines
Deal found 7/10£541
Thu 6/1106:50LHR - YYT
2 stops14h 01mAir Canada
Thu 13/1106:35YYT - LHR
2 stops21h 05mAir Canada
Deal found 7/10£545

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 8 October 2025.

Round-trip from

£517

One-way from

£341

Popular in

August

Cheapest in

February

Average price

£656
Air Canada
  • Air Canada
  • 5/11-12/11
  • 4 total stops
  • 41h 08m total
  • London to St. John's
3/12
  • 3/12
  • 2 total stops
  • 34h 15m total
  • London to St. John's
Highest demand for flights based on searches. 1% potential increase in price (£9 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in October 2025

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 8 October 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

Wed 5/11

06:50-00:56

2 stops21h 36m

St John's

Wed 12/11

18:10-20:35

2 stops22h 55m

£510

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 5/11

09:00-01:33

2 stops20h 03m

St John's

Wed 12/11

13:30-11:20

1 stop18h 20m

£516

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 11/11

07:40-23:13

2 stops19h 03m

St John's

Tue 25/11

06:35-07:10

2 stops21h 05m

£520

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Mon 3/11

13:25-12:38

2 stops26h 43m

St John's

Mon 10/11

07:30-20:35

1 stop9h 35m

£540

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 4/11

06:35-23:13

2 stops20h 08m

St John's

Tue 11/11

05:00-07:10

2 stops22h 40m

£541

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Thu 20/11

13:25-12:38

2 stops26h 43m

St John's

Thu 27/11

07:30-20:35

1 stop9h 35m

£543

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Thu 6/11

06:50-17:21

2 stops14h 01m

St John's

Thu 13/11

06:35-07:10

2 stops21h 05m

£545

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Thu 13/11

07:40-23:13

2 stops19h 03m

St John's

Thu 20/11

06:35-07:10

2 stops21h 05m

£545

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Sat 22/11

06:50-17:21

2 stops14h 01m

St John's

Sat 29/11

05:00-07:10

2 stops22h 40m

£546

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 3/12

08:50-15:35

2 stops34h 15m

£341

Flights are sorted by cheapest return flights first.

Deals found on 7/10

Showing 1-10 of 18 results
1
2

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 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 London Heathrow Airport to St. John's

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to St. John's (average of £423). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of £597). 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 LHR to YYT?

Find hourly flight availability from Heathrow to St. John's. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 October 2025.

When flying from London Heathrow Airport to St. John's, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 14% versus a flight in the evening.

How much does it cost for a return flight from London Heathrow Airport to St. John's?

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 8 October 2025.
See what other customers who have flown with WestJet, Air Canada, andLufthansa 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.

Boarding

7.4

Food

6.2

Crew

7.9

Overall

7.2

Comfort

7.1

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Abdulhamid,Sept 2025

LHR - YYC

Amazing!! It was great. It would be great to have some deals on these flights. Sitting is a little tight, especially for someone who is large built.

Boarding

7.4

Food

6.2

Crew

7.9

Overall

7.2

Comfort

7.1

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Abdulhamid,Sept 2025

LHR - YYC

Amazing!! It was great. It would be great to have some deals on these flights. Sitting is a little tight, especially for someone who is large built.

Boarding

7.4

Food

6.2

Crew

7.9

Overall

7.2

Comfort

7.1

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Abdulhamid,Sept 2025

LHR - YYC

Amazing!! It was great. It would be great to have some deals on these flights. Sitting is a little tight, especially for someone who is large built.

Boarding

7.4

Food

6.2

Crew

7.9

Overall

7.2

Comfort

7.1

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Abdulhamid,Sept 2025

LHR - YYC

Amazing!! It was great. It would be great to have some deals on these flights. Sitting is a little tight, especially for someone who is large built.

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?

    Located just 4.2 mi from the city center, St John's is the airport most travelers will use when flying to St. John's from London Heathrow. Booking flights from London Heathrow to St John's (YYT) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 3 different airlines.

  • 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 21h 36m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2307 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to St. John's round-trip?

    Our cheapest airline available from London Heathrow Airport to St. John's is WestJet. Our recent data shows that you can find tickets from as low as £307 on this airline. Additional options worth looking into are Air Canada and Lufthansa, starting at £475 and £485 round-trip. These flights start at 49% lower than the current average price 3 months from now.

  • 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 holiday 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to St. John's (average of £423). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of £597). 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.

Top 3 airlines flying from Heathrow to St. John's

Discover the top 3 airlines 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 858,174 searches. Data last updated 8 October 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£307Average£555FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£475Average£603FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£485Average£593FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to St. John's flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to St. John's become cheaper?

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

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