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

Our cheapest airline available from London Heathrow Airport to St. John's is Air Canada. Our recent data shows that you can find tickets from as low as £538 on this airline. This flight start at 18% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in St. John's ranges from 92.0 - 165.0 inches per month. December is typically the wettest month, when rainfall can reach 165.0 mm. July is typically the driest time to visit St. John's when rainfall is around 92.0 mm.

If weather is an important factor for your trip to St. John's, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest time of day to fly from LHR to YYT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to St. John's as you normally would.

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 1 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 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.

£344+ Cheap Flights from London Heathrow Airport to St. John's

Cheap flight deals from Heathrow to St. John's

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 30 August 2026.

Fri 2/1008:30 -

2 stops19h 55m

Fri 9/1020:25 -

2 stops21h 05m

Deal found 29/8£538

Tue 13/1006:00 -

3 stops22h 25m

Tue 20/1006:05 -

2 stops21h 00m

Deal found 29/8£542

Sun 27/909:30 -

3 stops18h 55m

Sun 4/1006:00 -

2 stops23h 05m

Deal found 28/8£553

Fri 25/917:50 -

1 stop32h 35m

Wed 30/915:00 -

1 stop16h 40m

Deal found 25/8£561

Mon 21/919:50 -

2 stops20h 58m

Wed 30/900:30 -

1 stop12h 00m

Deal found 26/8£564

Fri 25/908:30 -

1 stop17h 55m

Mon 28/906:00 -

3 stops21h 00m

Deal found 28/8£570

Find flight deals from Heathrow to St. John's

Round-trip from	£538
One-way from	£344
Popular in	August
Cheapest in	February
Average price	£1,083

2/10-9/10
4 total stops
41h 00m total
London to St. John's

Search Deals

11/9
2 total stops
30h 20m total
London to St. John's

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£73 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£32 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to St. John's that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Sun 27/9

09:30-00:55

3 stops18h 55m

St John's

Sun 4/10

06:00-08:35

2 stops23h 05m

£553

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Fri 25/9

08:50-00:55

3 stops19h 35m

St John's

Wed 30/9

06:00-11:10

3 stops25h 40m

£594

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Mon 12/10

17:15-00:55

3 stops35h 10m

St John's

Sat 24/10

05:00-13:50

2 stops29h 20m

£598

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Tue 13/10

12:05-22:55

1 stop14h 20m

St John's

Mon 19/10

00:30-20:20

1 stop16h 20m

£615

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Thu 17/9

12:10-23:33

2 stops14h 53m

St John's

Mon 21/9

08:30-10:00

2 stops22h 00m

£657

Fastest return journey

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Tue 15/9

09:30-01:46

2 stops19h 46m

St John's

Tue 13/10

07:30-21:00

1 stop10h 00m

£657

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Fri 25/9

12:40-16:31

2 stops31h 21m

St John's

Mon 28/9

20:40-21:00

1 stop20h 50m

£681

Cheapest one-way

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Sun 13/9

19:50-21:35

2 stops29h 15m

£346

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Fri 11/9

18:45-21:35

2 stops30h 20m

£353

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Mon 26/10

06:00-13:30

2 stops34h 00m

£430

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 14 resultsSorted by cheapest first

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.

LHR-YYT

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’s the top stopover airport for flights from London Heathrow Airport to St. John's?

Halifax (YHZ) – chosen by Cheapflights users on 70% of one-stop itineraries from London Heathrow Airport to St. John's on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to St. John's?

Halifax (YHZ) is the most affordable one-stop option, with an average return flight price of £704.

What’s the fastest stopover option from London Heathrow Airport to St. John's?

Flights via Halifax (YHZ) have the shortest average one-way travel time for one-stop routes: 12h 57m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to St. John's?

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average stopover time of 2h 10m.

Reviews of airlines servicing St. John's

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

11,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

PDX - YVR

1 of the flight attendant could have been more friendly. She didn’t seem happy to be working. The food was terrible.

Air Canada

7.1

Good

11,555 reviews

Air Canada

7.1

Good

11,555 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

PDX - YVR

1 of the flight attendant could have been more friendly. She didn’t seem happy to be working. The food was terrible.

Related info for your journey

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 1 airline.
What is the cheapest airline to fly from London Heathrow Airport to St. John's round-trip?
Our cheapest airline available from London Heathrow Airport to St. John's is Air Canada. Our recent data shows that you can find tickets from as low as £538 on this airline. This flight start at 18% 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.

See more FAQs

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Luton to St. John's flights

Top airline flying from Heathrow to St. John's

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£538	Average£654	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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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.

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Cheap flights from London Heathrow Airport to St. John's from £344

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to St. John's

Cheapest flights from Heathrow to St. John'sExplore 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 30 August 2026.

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 30 August 2026.

Best flights from Heathrow to St. John'sDiscover carefully curated flight deals from Heathrow to St. John's that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Discover carefully curated flight deals from Heathrow to St. John's that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Last-minute flights from Heathrow to St. John'sDiscover last-minute flight deals from Heathrow to St. John's. Data last updated 30 August 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to St. John's. Data last updated 30 August 2026 and is based on user searches.

One-way flights from Heathrow to St. John'sSearch for one-way flight options from Heathrow to St. John's. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

Search for one-way flight options from Heathrow to St. John's. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

Find flight deals from Heathrow to St. John's

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to St. John's that are best for you.

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.

Cheapflights Insights

What’s the top stopover airport for flights from London Heathrow Airport to St. John's?

Halifax (YHZ) – chosen by Cheapflights users on 70% of one-stop itineraries from London Heathrow Airport to St. John's on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to St. John's?

Halifax (YHZ) is the most affordable one-stop option, with an average return flight price of £704.

What’s the fastest stopover option from London Heathrow Airport to St. John's?

Flights via Halifax (YHZ) have the shortest average one-way travel time for one-stop routes: 12h 57m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to St. John's?

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average stopover time of 2h 10m.

Reviews of airlines servicing St. John's

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.

Related info for your journey

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to St. John's

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to St. John's by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Newfoundland and Labrador

Book a non-stop flight to one of these other cities located in Newfoundland and Labrador.

Search flights from Heathrow to St. John's by cabin class

Find flights from Heathrow to St. John's, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and St. John's flights

Browse other Heathrow and St. John's flight options. Last updated on 30 August 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 30 August 2026.

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Check out other popular destinations found by fellow travellers in 2026

Other flights to St. John's

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Top airline flying from Heathrow to St. John's

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

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

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

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

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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 30 August 2026.

Best flights from Heathrow to St. John's
Discover carefully curated flight deals from Heathrow to St. John's that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Last-minute flights from Heathrow to St. John's
Discover last-minute flight deals from Heathrow to St. John's. Data last updated 30 August 2026 and is based on user searches.

One-way flights from Heathrow to St. John's
Search for one-way flight options from Heathrow to St. John's. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.