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Cheap flights from London Heathrow Airport to St. John's from £379

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYT
10 Jul — 17 Jul1
1 adult

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 5 July 2025.

Round-trip from

£526

One-way from

£379

Popular in

December

Cheapest in

February

Average price

£630
Air France
  • Air France
  • 5/9-22/9
  • 2 total stops
  • 48h 46m total
  • London to St. John's
13/8
  • 13/8
  • 1 total stop
  • 17h 59m total
  • London to St. John's
Highest demand for flights based on searches. 5% potential increase in price (£29 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 5 July 2025.

Fri 5/917:50LHR - YYT
1 stop32h 36mAir France
Mon 22/915:00YYT - LHR
1 stop16h 10mAir France
Deal found 4/7£526
Mon 8/906:50LHR - YYT
2 stops13h 49mAir Canada
Mon 29/916:35YYT - LHR
2 stops13h 30mAir Canada
Deal found 4/7£531
Fri 17/1006:50LHR - YYT
2 stops13h 49mMultiple Airlines
Sat 25/1014:00YYT - LHR
2 stops15h 35mMultiple Airlines
Deal found 4/7£532
Wed 3/918:40LHR - YYT
2 stops31h 13mSWISS
Sun 14/916:35YYT - LHR
2 stops20h 20mSWISS
Deal found 4/7£537
Tue 2/908:30LHR - YYT
2 stops19h 39mLufthansa
Sun 14/914:00YYT - LHR
1 stop16h 05mLufthansa
Deal found 4/7£540
Mon 8/917:50LHR - YYT
1 stop32h 36mKLM
Mon 29/915:00YYT - LHR
1 stop16h 10mKLM
Deal found 4/7£543
Mon 1/909:30LHR - YYT
2 stops18h 38mUnited Airlines
Sun 14/908:45YYT - LHR
2 stops19h 00mUnited Airlines
Deal found 4/7£663

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 5 July 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

Fri 5/9

17:50-22:56

1 stop32h 36m

St John's

Mon 22/9

15:00-10:40

1 stop16h 10m

£526

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Mon 8/9

06:50-17:09

2 stops13h 49m

St John's

Mon 29/9

16:35-09:35

2 stops13h 30m

£531

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Fri 17/10

06:50-17:09

2 stops13h 49m

St John's

Sat 25/10

14:00-09:05

2 stops15h 35m

£532

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 3/9

18:40-22:23

2 stops31h 13m

St John's

Sun 14/9

16:35-16:25

2 stops20h 20m

£537

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 2/9

09:30-00:39

2 stops18h 39m

St John's

Tue 16/9

14:00-09:35

1 stop16h 05m

£540

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Mon 8/9

17:50-22:56

1 stop32h 36m

St John's

Mon 29/9

15:00-10:40

1 stop16h 10m

£543

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Mon 1/9

09:30-00:38

2 stops18h 38m

St John's

Sun 14/9

08:45-07:15

2 stops19h 00m

£663

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 13/8

21:10-11:39

1 stop17h 59m

£379

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 13/8

06:15-06:20

2 stops27h 35m

£545

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Sun 17/8

12:05-01:31

1 stop16h 56m

£834

Flights are sorted by cheapest return flights first.

Deals found on 4/7

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, October is the cheapest month in which you can book a flight from London Heathrow Airport to St. John's (average of £437). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of £806). 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 5 July 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 5% versus a flight in the morning.

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 5 July 2025.
See what other customers who have flown with KLM, Air France, andSWISS 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.

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 2 different airlines.

  • 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 Air France. Our recent data shows that you can find tickets from as low as £526 on this airline. Additional options worth looking into are Air Canada and SWISS, starting at £531 and £537 round-trip. These flights start at 16% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London Heathrow Airport to St. John's one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £545. However, be on the lookout for offers from Lufthansa and TAP AIR PORTUGAL, as they are both options that can get you from London Heathrow Airport to St. John's for a low price.

  • 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to St. John's (average of £437). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of £806). 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 2 airlines flying from Heathrow to St. John's

Discover the top 2 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 5 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£470Average£596FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£539Average£599FlexibilityNo 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?

Cheapflights helps you search for flights from Heathrow to St. John's 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 Heathrow to St. John's?

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

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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