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 20h 11m. 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 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 £547 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.

£409+ 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 28 October 2026.

Mon 23/1112:15 -

2 stops28h 50m

Mon 30/1106:00 -

3 stops25h 20m

Deal found 24/10£567

Thu 26/1120:35 -

2 stops32h 36m

Wed 2/1205:15 -

3 stops34h 45m

Deal found 26/10£588

Fri 27/1112:15 -

2 stops16h 56m

Thu 3/1206:00 -

3 stops25h 20m

Deal found 23/10£613

Wed 11/1109:00 -

2 stops20h 20m

Thu 26/1106:00 -

2 stops23h 50m

Deal found 28/10£623

Wed 25/1106:00 -

2 stops20h 56m

Mon 30/1105:00 -

2 stops22h 00m

Deal found 27/10£629

Fri 27/1106:00 -

2 stops38h 26m

Thu 3/1206:00 -

2 stops23h 50m

Deal found 24/10£630

Thu 26/1106:00 -

2 stops23h 11m

Wed 2/1218:15 -

2 stops35h 35m

Deal found 25/10£631

Sun 22/1106:00 -

2 stops38h 26m

Tue 1/1206:00 -

2 stops21h 40m

Deal found 24/10£633

Find flight deals from Heathrow to St. John's

Round-trip from	£567
One-way from	£409
Popular in	February
Cheapest in	August
Average price	£590

23/11-30/11
5 total stops
54h 10m total
London to St. John's

Search Deals

25/12-31/12
3 total stops
45h 35m total
London to St. John's

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£67 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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 11/12

15:00-13:35

1 stop26h 05m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£459

Fastest return journey

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Wed 9/12

15:00-01:41

1 stop14h 11m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£465

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Wed 7/4

14:10-09:10

1 stop22h 30m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£492

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Tue 3/11

18:00-12:57

2 stops22h 27m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£525

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Tue 3/11

11:10-00:59

2 stops17h 19m

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

Mon 2/11

18:00-13:35

1 stop23h 05m

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

Wed 14/4

07:40-01:33

2 stops21h 23m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£544

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Fri 25/12

11:10-01:41

1 stop18h 01m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£572

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Sun 22/11

18:30-00:59

3 stops57h 59m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£583

LondonSt. John's

LHR London Heathrow - YYT St John's

LHRYYT

London Heathrow

Wed 7/4

11:20-13:35

3 stops29h 45m

St John's

Wed 31/12

00:00-04:30

Nonstop0h 00m

£587

Flights are sorted by cheapest return flights first.

Deals found on 27/10

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 71% 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 £755.

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 51m.

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 1h 59m.

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

11,818 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Oct 2026

FRA - YUL

Every time I have traveled with Lufthansa, during the descent, I experience significant pain in my ears, head, and chest—as if the decompression is happening too quickly.

Air Canada

7.1

Good

11,818 reviews

Air Canada

7.1

Good

11,818 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Oct 2026

FRA - YUL

Every time I have traveled with Lufthansa, during the descent, I experience significant pain in my ears, head, and chest—as if the decompression is happening too quickly.

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 fly from London Heathrow Airport to St. John's in about 20h 11m. 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 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 £547 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£547	Average£784	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 £409

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/12. 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 28 October 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 28 October 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 28 October 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 28 October 2026.

Last-minute flights from Heathrow to St. John'sDiscover last-minute flight deals from Heathrow to St. John's. Data last updated 28 October 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to St. John's. Data last updated 28 October 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 28 October 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 28 October 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 71% 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 £755.

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 51m.

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 1h 59m.

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

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Heathrow and St. John's flights

Browse other Heathrow and St. John's flight options. Last updated on 28 October 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 28 October 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 28 October 2026.

Last-minute flights from Heathrow to St. John's
Discover last-minute flight deals from Heathrow to St. John's. Data last updated 28 October 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 28 October 2026.