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

Airlines like Air Canada and Lufthansa fly from London Heathrow Airport to St. John's in about 19h 46m. The time it takes to get you to your destination can typically vary by up to 2h. Airlines will cover a distance of 2307 mi. Both multi-stop and direct flights can be found to your destination and back.

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 £554 on this airline.

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.

£362+ 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

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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 9 September 2026.

Tue 6/1008:30 -

1 stop17h 55m

Thu 15/1015:00 -

2 stops26h 30m

Deal found 6/9£535

Thu 8/1006:00 -

2 stops20h 25m

Wed 14/1000:30 -

1 stop15h 25m

Deal found 8/9£539

Wed 21/1018:40 -

2 stops31h 45m

Wed 28/1006:00 -

3 stops30h 15m

Deal found 6/9£554

Fri 2/1006:30 -

2 stops17h 20m

Wed 7/1000:30 -

1 stop15h 25m

Deal found 7/9£561

Fri 2/1008:30 -

1 stop17h 55m

Sat 10/1006:00 -

3 stops23h 05m

Deal found 7/9£565

Fri 2/1017:50 -

3 stops30h 00m

Fri 9/1019:10 -

1 stop12h 30m

Deal found 9/9£568

Find flight deals from Heathrow to St. John's

Round-trip from	£535
One-way from	£362
Popular in	December
Cheapest in	October
Average price	£587

6/10-15/10
3 total stops
44h 25m total
London to St. John's

Search Deals

1/10-31/12
3 total stops
34h 25m total
London to St. John's

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£70 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

Fri 23/10

09:30-00:55

3 stops18h 55m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£443

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Tue 19/1

06:00-01:36

2 stops23h 06m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£469

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Wed 23/9

09:30-00:55

3 stops18h 55m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£475

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Sat 26/12

12:25-12:30

2 stops51h 35m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£486

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Tue 3/11

17:15-13:30

1 stop23h 45m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£522

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Tue 29/12

12:50-12:30

1 stop27h 10m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£523

Fastest return journey

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Tue 19/1

15:00-01:36

1 stop14h 06m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£536

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Tue 3/11

12:50-13:30

1 stop28h 10m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£547

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Thu 8/10

08:30-22:55

1 stop17h 55m

St John's

Thu 15/10

15:00-09:35

1 stop15h 05m

£565

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Tue 29/12

18:30-01:45

2 stops34h 45m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£608

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 21 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 67% 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 £726.

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 55m.

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

11,603 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sylvia,Aug 2026

YLW - YYZ

The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information

Air Canada

7.1

Good

11,603 reviews

Air Canada

7.1

Good

11,603 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sylvia,Aug 2026

YLW - YYZ

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.
How long is the flight from London Heathrow Airport to St. John's?
Airlines like Air Canada and Lufthansa fly from London Heathrow Airport to St. John's in about 19h 46m. The time it takes to get you to your destination can typically vary by up to 2h. Airlines will cover a distance of 2307 mi. Both multi-stop and direct flights can be found to your destination and back.
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 £554 on 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 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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Top airline flying from Heathrow to St. John's

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£554	Average£664	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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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 £362

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. 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 9 September 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 9 September 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 9 September 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 9 September 2026.

Last-minute flights from Heathrow to St. John'sDiscover last-minute flight deals from Heathrow to St. John's. Data last updated 9 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to St. John's. Data last updated 9 September 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 9 September 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 9 September 2026.

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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 67% 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 £726.

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 55m.

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?

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

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

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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.

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

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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 9 September 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 9 September 2026.

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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 9 September 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 9 September 2026.

Last-minute flights from Heathrow to St. John's
Discover last-minute flight deals from Heathrow to St. John's. Data last updated 9 September 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 9 September 2026.