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Cheap flights from London Heathrow Airport to St. John's from £394

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYT
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

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 21 November 2025.

Thu 11/1206:50LHR - YYT
2 stops21h 36mAir Canada
Thu 15/106:35YYT - LHR
2 stops21h 05mAir Canada
Deal found 20/11£557
Thu 11/1206:00LHR - YYT
2 stops38h 51mMultiple Airlines
Thu 15/106:35YYT - LHR
2 stops21h 05mMultiple Airlines
Deal found 20/11£581
Wed 10/1209:00LHR - YYT
1 stop18h 00mAir Canada
Tue 20/120:55YYT - LHR
1 stop20h 10mAir Canada
Deal found 20/11£590
Tue 9/1209:00LHR - YYT
1 stop14h 45mAir Canada
Sun 18/120:55YYT - LHR
1 stop20h 10mAir Canada
Deal found 20/11£598
Tue 16/1209:00LHR - YYT
2 stops19h 26mAir Canada
Mon 5/120:55YYT - LHR
2 stops30h 45mAir Canada
Deal found 19/11£607
Thu 11/1209:00LHR - YYT
2 stops20h 23mAir Canada
Fri 16/113:25YYT - LHR
2 stops14h 15mAir Canada
Deal found 20/11£609
Tue 16/1213:25LHR - YYT
1 stop15h 01mAir Canada
Tue 6/120:55YYT - LHR
1 stop20h 10mAir Canada
Deal found 20/11£613
Mon 15/1209:00LHR - YYT
1 stop18h 00mAir Canada
Mon 19/107:30YYT - LHR
1 stop9h 35mAir Canada
Deal found 20/11£615
Sat 13/1209:00LHR - YYT
2 stops20h 23mAir Canada
Sun 18/105:05YYT - LHR
2 stops36h 00mAir Canada
Deal found 20/11£618
Thu 11/1209:00LHR - YYT
1 stop18h 00mAir Canada
Wed 21/107:30YYT - LHR
1 stop9h 35mAir Canada
Deal found 20/11£620

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 21 November 2025.

Round-trip from

£536

One-way from

£394

Popular in

December

Cheapest in

February

Average price

£594
Air Canada
  • Air Canada
  • 19/1-25/1
  • 4 total stops
  • 57h 28m total
  • London to St. John's
Search Deals
9/5
  • 9/5
  • 1 total stop
  • 20h 50m total
  • London to St. John's
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 21 November 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

Mon 19/1

13:25-12:38

2 stops26h 43m

St John's

Sun 25/1

20:55-07:10

2 stops30h 45m

£536

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Thu 23/4

06:50-23:13

2 stops19h 53m

St John's

Mon 27/4

06:35-06:30

2 stops20h 25m

£558

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 10/12

09:00-23:30

1 stop18h 00m

St John's

Tue 20/1

20:55-20:35

1 stop20h 10m

£590

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 16/12

09:00-00:56

2 stops19h 26m

St John's

Mon 5/1

20:55-07:10

2 stops30h 45m

£607

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Mon 15/12

09:00-23:30

1 stop18h 00m

St John's

Mon 19/1

07:30-20:35

1 stop9h 35m

£615

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Sat 13/12

09:00-01:53

2 stops20h 23m

St John's

Sun 18/1

20:55-20:35

1 stop20h 10m

£618

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 16/12

13:25-12:45

2 stops26h 50m

St John's

Tue 6/1

18:15-09:20

2 stops35h 35m

£625

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Fri 8/5

18:00-22:55

1 stop32h 25m

£395

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Thu 7/5

18:00-22:55

1 stop32h 25m

£395

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 6/5

18:00-22:55

1 stop32h 25m

£395

Flights are sorted by cheapest return flights first.

Deals found on 19/11

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 £428). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of £573). 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 21 November 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 21 November 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.
WestJet
7.2
Good
3,169 reviews
Check prices

Entertainment

6.1

Crew

7.9

Boarding

7.4

Food

6.2

Comfort

7.1

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

YQU - YYC

After first flight cancelled they barely accommodated our flight to get to our destination, after 36 hours of travel and long layovers we arrived but the worst experience ever! I will definitely put claims in of the lost upgrades and lost time and money we had!!!
WestJet
7.2
Good
3,169 reviews
WestJet
7.2
Good
3,169 reviews
Check prices

Entertainment

6.1

Crew

7.9

Boarding

7.4

Food

6.2

Comfort

7.1

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

YQU - YYC

After first flight cancelled they barely accommodated our flight to get to our destination, after 36 hours of travel and long layovers we arrived but the worst experience ever! I will definitely put claims in of the lost upgrades and lost time and money we had!!!
Air Canada
7.1
Good
10,463 reviews
WestJet
7.2
Good
3,169 reviews
Check prices

Entertainment

6.1

Crew

7.9

Boarding

7.4

Food

6.2

Comfort

7.1

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

YQU - YYC

After first flight cancelled they barely accommodated our flight to get to our destination, after 36 hours of travel and long layovers we arrived but the worst experience ever! I will definitely put claims in of the lost upgrades and lost time and money we had!!!
Lufthansa
6.8
Okay
7,579 reviews
WestJet
7.2
Good
3,169 reviews
Check prices

Entertainment

6.1

Crew

7.9

Boarding

7.4

Food

6.2

Comfort

7.1

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

YQU - YYC

After first flight cancelled they barely accommodated our flight to get to our destination, after 36 hours of travel and long layovers we arrived but the worst experience ever! I will definitely put claims in of the lost upgrades and lost time and money we had!!!

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 26h 43m. 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 £316 on this airline. Additional options worth looking into are Lufthansa and Air Canada, starting at £499 and £519 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 £428). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of £573). 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
London City to St. John's flights
Luton to St. John's flights
Heathrow to Deer Lake flights
Stansted to St. John's flights

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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£316Average£571FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapest£499Average£602FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£519Average£617FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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