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

Air Canada can get you from St. John's to London Heathrow Airport in just under 20h 35m. Your travel time can differ by up to . There are 3713 km between St. John's and London Heathrow Airport.

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

Flying on Air Canada is currently your cheapest option to London Heathrow Airport, with prices starting at C$ 986. Air Canada is 29% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 mm 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?

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

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

Most people fly from St John's (YYT) if they book a flight from St. John's to London Heathrow. On average, St John's has 0 outbound flights to London Heathrow per day from 1 airline. St John's is conveniently located just 6.7 km from St. John's’s city centre.

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 vacation 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.

C$ 582+ 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

Last-minute

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 28 October 2026.

Wed 25/117:45 p.m. -

2 stops36h 05m

Sat 28/1111:05 a.m. -

2 stops33h 50m

Deal found 25/10C$ 1,017

Tue 8/125:15 a.m. -

1 stop22h 25m

Tue 15/121:00 p.m. -

1 stop16h 15m

Deal found 24/10C$ 1,087

Tue 17/117:40 a.m. -

1 stop9h 50m

Fri 20/119:00 a.m. -

2 stops35h 55m

Deal found 23/10C$ 1,101

Tue 10/117:45 p.m. -

2 stops31h 55m

Tue 17/119:00 a.m. -

2 stops19h 20m

Deal found 23/10C$ 1,106

Wed 25/117:45 p.m. -

1 stop21h 45m

Wed 2/129:00 a.m. -

1 stop17h 27m

Deal found 26/10C$ 1,108

Sat 7/117:45 p.m. -

1 stop21h 45m

Fri 13/119:00 a.m. -

1 stop13h 37m

Deal found 25/10C$ 1,115

Thu 26/116:00 a.m. -

1 stop23h 00m

Thu 3/126:50 a.m. -

2 stops14h 05m

Deal found 27/10C$ 1,118

Find flight deals from St. John's to Heathrow

Round-trip from	C$ 996
One-way from	C$ 582
Popular in	October
Cheapest in	April
Average price	C$ 1,688

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

Search Deals

7/12-31/12
2 total stops
42h 50m total
St. John's to London

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (C$ 61 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 45 potential savings vs. average RT 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 St. John's to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Mon 7/12

2:30 p.m.-12:50 p.m.

2 stops42h 50m

London Heathrow

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 582

Quickest round-trip

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Sat 21/11

2:30 p.m.-11:25 a.m.

2 stops17h 25m

London Heathrow

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 773

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Sat 21/11

7:40 a.m.-7:10 a.m.

3 stops20h 00m

London Heathrow

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 791

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Wed 24/3

6:00 a.m.-7:10 a.m.

3 stops22h 40m

London Heathrow

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 802

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Thu 10/12

7:00 a.m.-8:05 a.m.

3 stops21h 35m

London Heathrow

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 816

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Fri 11/12

6:00 a.m.-8:05 a.m.

3 stops22h 35m

London Heathrow

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 852

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Sat 5/12

2:30 p.m.-11:25 a.m.

2 stops17h 25m

London Heathrow

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 860

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Wed 20/1

11:15 a.m.-11:20 a.m.

2 stops20h 35m

London Heathrow

Fri 22/1

11:05 a.m.-5:25 p.m.

2 stops33h 50m

C$ 996

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Wed 17/2

6:15 p.m.-5:30 p.m.

2 stops19h 45m

London Heathrow

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 1,017

St. John'sLondon

YYT St John's - LHR London Heathrow

YYTLHR

St John's

Tue 3/11

1:35 p.m.-9:00 p.m.

1 stop27h 55m

London Heathrow

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 1,023

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Showing 1-10 of 16 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 round-trip 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 St. John's to London Heathrow Airport

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

Halifax (YHZ) – chosen by Cheapflights users on 86% of one-stop itineraries from St. John's to London Heathrow Airport on Cheapflights.

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

Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of C$ 1,306.

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

Flights via Halifax (YHZ) have the shortest average one-way travel time for 1-stop routes: 9h 48m.

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

Flights via Halifax (YHZ) offer the fastest connection on this route, with an average layover time of 2h 22m.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown 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

11,818 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Hazel,Sep 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

11,818 reviews

Air Canada

7.1

Good

11,818 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Hazel,Sep 2026

YYC - FRA

Related info for your journey

What airport do you fly from for flights from St. John's to London Heathrow?
Most people fly from St John's (YYT) if they book a flight from St. John's to London Heathrow. On average, St John's has 0 outbound flights to London Heathrow per day from 1 airline. St John's is conveniently located just 6.7 km from St. John's’s city centre.
How long is the flight from St. John's to London Heathrow Airport?
Air Canada can get you from St. John's to London Heathrow Airport in just under 20h 35m. Your travel time can differ by up to . There are 3713 km between St. John's and London Heathrow Airport.
What is the cheapest airline to fly from St. John's to London Heathrow Airport round-trip?
Flying on Air Canada is currently your cheapest option to London Heathrow Airport, with prices starting at C$ 986. Air Canada is 29% cheaper than the average price of flights available within the next 90 days to this destination.
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 vacation 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.

See more FAQs

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Top airline flying from St. John's to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 986	AverageC$ 1,337	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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Cheapflights helps you search for flights from St. John's to Heathrow 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 St. John's to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from St. John's to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from St. John's to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on St. John's to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from St. John's to London Heathrow Airport from C$ 582

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/12. 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 28 October 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 28 October 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 layovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

Discover carefully curated flight deals from St. John's to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

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

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

Find flight deals from St. John's to Heathrow

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Popular in

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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.

Cheapflights Insights

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

Halifax (YHZ) – chosen by Cheapflights users on 86% of one-stop itineraries from St. John's to London Heathrow Airport on Cheapflights.

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

Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of C$ 1,306.

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

Flights via Halifax (YHZ) have the shortest average one-way travel time for 1-stop routes: 9h 48m.

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

Flights via Halifax (YHZ) offer the fastest connection on this route, with an average layover time of 2h 22m.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown 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?

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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 rental and/or hotel reservation 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 28 October 2026.

St. John's and Heathrow flights

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

Other flights from St. John's

Browse through other flights departing from St. John's. Flights are based on user searches made on Cheapflights and were last updated on 28 October 2026.

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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 28 October 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 layovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

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