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

Airlines like Air Canada fly from St. John's to London Heathrow Airport in about 14h 20m. 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 St. John's to London Heathrow Airport round-trip?

Currently priced at £680, Air Canada will fly you from St. John's to London Heathrow Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. This flight start at 8% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

When flying from St. John's to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

For a flight from St. John's to London Heathrow, you will be flying from St John's. St John's (YYT) is just 4.2 mi from the center of the city. St John's is the only St. John's airport and it handles 0 outbound flights to London Heathrow per day. 1 airline has flights to London Heathrow from St John's on a regular basis.

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

Yes. In addition to deals on St. John's to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. John's to Heathrow.

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

Yes. Cheapflights offers flight deals from St. John's to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£350+ Cheap Flights from St. John's to London Heathrow Airport

Cheap flight deals from St. John's to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

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One-way

Cheapest flights from St. John's to Heathrow
Explore the most affordable flight options available from St. John's to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2026.

Sat 7/1113:35 -

1 stop27h 55m

Fri 13/1106:50 -

2 stops14h 05m

Deal found 1/11£591

Wed 2/1207:40 -

1 stop9h 50m

Wed 9/1206:50 -

2 stops14h 05m

Deal found 2/11£596

Tue 17/1107:40 -

1 stop9h 50m

Fri 20/1106:00 -

2 stops22h 20m

Deal found 1/11£597

Tue 1/1211:15 -

2 stops16h 25m

Tue 8/1213:00 -

2 stops25h 02m

Deal found 1/11£600

Sat 28/1119:45 -

1 stop21h 45m

Sat 5/1209:00 -

2 stops18h 01m

Deal found 31/10£601

Sat 7/1118:15 -

2 stops23h 15m

Fri 13/1106:00 -

2 stops35h 01m

Deal found 1/11£603

Mon 30/1119:45 -

1 stop21h 45m

Sun 6/1209:00 -

1 stop17h 27m

Deal found 1/11£606

Find flight deals from St. John's to Heathrow

Round-trip from	£531
One-way from	£350
Popular in	October
Cheapest in	April
Average price	£711

Air Canada
20/1-22/1
4 total stops
54h 25m total
St. John's to London

Search Deals

14/4-31/12
1 total stop
15h 00m total
St. John's to London

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£17 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Wed 14/4

12:05-06:35

1 stop15h 00m

London Heathrow

Wed 31/12

00:00-19:30

Nonstop0h 00m

£350

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Thu 10/12

09:05-12:50

1 stop24h 15m

London Heathrow

Wed 31/12

00:00-19:30

Nonstop0h 00m

£386

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Wed 20/1

18:15-17:30

2 stops19h 45m

London Heathrow

Wed 31/12

00:00-19:30

Nonstop0h 00m

£420

Fastest return journey

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Wed 20/1

17:55-11:20

1 stop13h 55m

London Heathrow

Wed 31/12

00:00-19:30

Nonstop0h 00m

£423

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Thu 10/12

06:00-07:10

3 stops21h 40m

London Heathrow

Wed 31/12

00:00-19:30

Nonstop0h 00m

£459

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Thu 10/12

05:15-06:30

2 stops21h 45m

London Heathrow

Wed 31/12

00:00-19:30

Nonstop0h 00m

£462

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Wed 11/11

18:15-17:50

3 stops20h 05m

London Heathrow

Wed 31/12

00:00-19:30

Nonstop0h 00m

£468

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Mon 14/12

15:15-11:20

2 stops16h 35m

London Heathrow

Wed 31/12

00:00-19:30

Nonstop0h 00m

£506

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Sun 21/3

06:00-10:50

3 stops26h 20m

London Heathrow

Wed 31/12

00:00-19:30

Nonstop0h 00m

£509

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Sun 21/3

18:15-17:30

2 stops20h 45m

London Heathrow

Wed 31/12

00:00-19:30

Nonstop0h 00m

£522

Flights are sorted by cheapest return flights first.

Deals found on 31/10

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from St. John's to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from St. John's with our price prediction graph.

YYT-LHR

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.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Air Canada from St. John's to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

11,854 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Hazel,Sept 2026

YYC - FRA

Air Canada cancelled our flight and rebooked us on Lufthansa, where we had to pay for checked luggage. We originally chose Air Canada because our Aeroplan credit card includes a free checked bag. It’s frustrating to face an extra charge because of a change we didn’t choose.

Air Canada

7.1

Good

11,854 reviews

Air Canada

7.1

Good

11,854 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Hazel,Sept 2026

YYC - FRA

Related info for your journey

What airport do you fly from for flights from St. John's to London Heathrow?
For a flight from St. John's to London Heathrow, you will be flying from St John's. St John's (YYT) is just 4.2 mi from the center of the city. St John's is the only St. John's airport and it handles 0 outbound flights to London Heathrow per day. 1 airline has flights to London Heathrow from St John's on a regular basis.
How long is the flight from St. John's to London Heathrow Airport?
Airlines like Air Canada fly from St. John's to London Heathrow Airport in about 14h 20m. 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 St. John's to London Heathrow Airport round-trip?
Currently priced at £680, Air Canada will fly you from St. John's to London Heathrow Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. This flight start at 8% lower than the current average price 3 months from now.
Can I find deals for flights from St. John's to Heathrow that include hotel bookings?
Yes. In addition to deals on St. John's to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from St. John's to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. John's to Heathrow.
Can I find deals for business class flights from St. John's to Heathrow?
Yes. Cheapflights offers flight deals from St. John's to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top airline flying from St. John's to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£680	Average£883	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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When you search for this flight from St. John's to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. John's to Heathrow.

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Yes! Start tracking prices for St. John's to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from St. John's to London Heathrow Airport from £350

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St. John's to Heathrow

Cheapest flights from St. John's to HeathrowExplore the most affordable flight options available from St. John's to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2026.

Explore the most affordable flight options available from St. John's to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2026.

Best flights from St. John's to HeathrowDiscover carefully curated flight deals from St. John's to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 November 2026.

Discover carefully curated flight deals from St. John's to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 November 2026.

Last-minute flights from St. John's to HeathrowDiscover last-minute flight deals from St. John's to Heathrow. Data last updated 3 November 2026 and is based on user searches.

Discover last-minute flight deals from St. John's to Heathrow. Data last updated 3 November 2026 and is based on user searches.

One-way flights from St. John's to HeathrowSearch for one-way flight options from St. John's to Heathrow. Find affordable one-way fares based on user searches. Data last updated 3 November 2026.

Search for one-way flight options from St. John's to Heathrow. Find affordable one-way fares based on user searches. Data last updated 3 November 2026.

Find flight deals from St. John's to Heathrow

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Cheapflights Fare Finder

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

Best time to book a flight from St. John's to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from St. John's with our price prediction graph.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Air Canada from St. John's to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. John's to Heathrow

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

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

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

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 3 November 2026.

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

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

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

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

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Cheapest flights from St. John's to Heathrow
Explore the most affordable flight options available from St. John's to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2026.

Best flights from St. John's to Heathrow
Discover carefully curated flight deals from St. John's to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 November 2026.

Last-minute flights from St. John's to Heathrow
Discover last-minute flight deals from St. John's to Heathrow. Data last updated 3 November 2026 and is based on user searches.

One-way flights from St. John's to Heathrow
Search for one-way flight options from St. John's to Heathrow. Find affordable one-way fares based on user searches. Data last updated 3 November 2026.