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 9h 35m. 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 £498, 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 21% lower than the current average price 3 months from now.

What is the cheapest day to fly from St. John's to London Heathrow Airport?

Travellers seeking maximum savings on their St. John's to London Heathrow Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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).

How far in advance should I book a flight from St. John's to London Heathrow Airport?

Travelers have found it’s best to book a flight 40 days in advance to save up to 2% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 40 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. John's to London Heathrow Airport 1-2 weeks in advance for as low as £319, or £829 for flights within the next 24 hours.

What is the cheapest month to fly from St. John's to London Heathrow Airport?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, June can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from St. John's in June are about £528 on average during June, but can be found for as low as £294.

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.

£197+ Cheap Flights from St. John's to London Heathrow Airport

Cheap flight deals from St. John's to Heathrow

Round-trip from	£492
One-way from	£197
Popular in	December
Cheapest in	March
Average price	£630

Air Canada
1/12-9/12
2 total stops
25h 08m total
St. John's to London

Search Deals

12/10
2 total stops
24h 55m total
St. John's to London

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from St. John's to Heathrow

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 16 September 2025.

Mon 1/1207:30YYT - LHR

1 stop9h 35mAir Canada

Tue 9/1211:10LHR - YYT

1 stop15h 33mAir Canada

Deal found 15/9£492

Wed 24/905:50YYT - LHR

1 stop24h 15mAir Canada

Wed 8/1006:50LHR - YYT

2 stops21h 19mAir Canada

Deal found 14/9£503

Tue 14/1007:25YYT - LHR

1 stop10h 05mAir Canada

Tue 21/1009:30LHR - YYT

2 stops16h 23mAir Canada

Deal found 14/9£509

Mon 29/916:35YYT - LHR

2 stops13h 30mAir Canada

Mon 6/1009:30LHR - YYT

2 stops16h 23mAir Canada

Deal found 15/9£510

Mon 22/916:35YYT - LHR

1 stop24h 55mAir Canada

Mon 13/1009:30LHR - YYT

1 stop18h 39mAir Canada

Deal found 14/9£511

Wed 8/1014:00YYT - LHR

1 stop13h 00mAir Canada

Wed 15/1009:30LHR - YYT

2 stops16h 23mAir Canada

Deal found 14/9£514

Mon 29/914:55YYT - LHR

2 stops15h 10mAir Canada

Sun 12/1006:50LHR - YYT

2 stops13h 49mAir Canada

Deal found 14/9£529

Wed 15/1014:55YYT - LHR

2 stops15h 10mAir Canada

Fri 24/1009:30LHR - YYT

2 stops16h 23mAir Canada

Deal found 14/9£536

Mon 29/918:10YYT - LHR

1 stop11h 55mAir Canada

Fri 17/1014:05LHR - YYT

1 stop14h 04mAir Canada

Deal found 14/9£536

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 16 September 2025.

Mon 1/1207:30YYT - LHR

1 stop9h 35mAir Canada

Tue 9/1211:10LHR - YYT

1 stop15h 33mAir Canada

Deal found 15/9£492

Tue 14/1014:00YYT - LHR

1 stop13h 00mAir Canada

Tue 21/1006:50LHR - YYT

2 stops13h 49mAir Canada

Deal found 14/9£503

Wed 15/1014:55YYT - LHR

2 stops15h 10mAir Canada

Mon 27/1006:50LHR - YYT

2 stops20h 36mAir Canada

Deal found 14/9£503

Mon 29/907:25YYT - LHR

1 stop10h 05mAir Canada

Mon 6/1009:30LHR - YYT

1 stop18h 39mAir Canada

Deal found 15/9£510

Wed 8/1014:00YYT - LHR

1 stop13h 00mAir Canada

Wed 15/1014:05LHR - YYT

1 stop14h 04mAir Canada

Deal found 14/9£517

Mon 29/907:25YYT - LHR

1 stop10h 05mAir Canada

Sun 12/1006:50LHR - YYT

2 stops13h 49mAir Canada

Deal found 14/9£529

Wed 15/1018:10YYT - LHR

1 stop11h 55mAir Canada

Fri 24/1014:05LHR - YYT

1 stop14h 04mAir Canada

Deal found 14/9£536

Last-minute flights from St. John's to Heathrow
Discover last-minute flight deals from St. John's to Heathrow. Data last updated 16 September 2025 and is based on user searches.

Mon 22/916:35YYT - LHR

1 stop24h 55mAir Canada

Mon 13/1009:30LHR - YYT

1 stop18h 39mAir Canada

Deal found 14/9£511

Wed 24/905:50YYT - LHR

1 stop24h 15mAir Canada

Wed 8/1006:50LHR - YYT

2 stops21h 19mAir Canada

Deal found 14/9£503

Mon 29/916:35YYT - LHR

2 stops13h 30mAir Canada

Mon 6/1009:30LHR - YYT

2 stops16h 23mAir Canada

Deal found 15/9£510

Mon 29/907:25YYT - LHR

1 stop10h 05mAir Canada

Sun 12/1006:50LHR - YYT

2 stops13h 49mAir Canada

Deal found 14/9£529

Mon 29/918:10YYT - LHR

1 stop11h 55mAir Canada

Fri 17/1014:05LHR - YYT

1 stop14h 04mAir Canada

Deal found 14/9£536

Wed 8/1014:00YYT - LHR

1 stop13h 00mAir Canada

Wed 15/1009:30LHR - YYT

2 stops16h 23mAir Canada

Deal found 14/9£514

Tue 14/1014:55YYT - LHR

2 stops12h 05mAir Canada

Tue 21/1009:30LHR - YYT

2 stops16h 23mAir Canada

Deal found 14/9£509

Wed 15/1018:10YYT - LHR

1 stop11h 55mAir Canada

Fri 24/1014:05LHR - YYT

1 stop14h 04mAir Canada

Deal found 14/9£536

Sun 26/1020:55YYT - LHR

1 stop21h 10mAir Canada

Sun 2/1113:25LHR - YYT

2 stops23h 40mAir Canada

Deal found 15/9£538

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 16 September 2025.

Sun 12/1015:00YYT - LHR

2 stops24h 55mMultiple Airlines

Deal found 14/9£197

Wed 1/1015:00YYT - LHR

2 stops21h 05mMultiple Airlines

Deal found 15/9£291

Wed 29/1017:40YYT - LHR

2 stops26h 30mMultiple Airlines

Deal found 13/9£306

Fri 7/1117:40YYT - LHR

2 stops20h 20mMultiple Airlines

Deal found 15/9£313

Sun 12/1018:10YYT - LHR

1 stop11h 55mLufthansa

Deal found 14/9£346

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

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 1/12

07:30-20:35

1 stop9h 35m

London Heathrow

Tue 9/12

11:10-23:13

1 stop15h 33m

£492

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 14/10

14:00-06:30

1 stop13h 00m

London Heathrow

Tue 21/10

06:50-17:09

2 stops13h 49m

£503

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 15/10

14:55-09:35

2 stops15h 10m

London Heathrow

Mon 27/10

06:50-00:56

2 stops20h 36m

£503

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 29/9

07:25-21:00

1 stop10h 05m

London Heathrow

Mon 6/10

09:30-00:39

1 stop18h 39m

£510

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 8/10

14:00-06:30

1 stop13h 00m

London Heathrow

Wed 15/10

14:05-00:39

1 stop14h 04m

£517

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 29/9

07:25-21:00

1 stop10h 05m

London Heathrow

Sun 12/10

06:50-17:09

2 stops13h 49m

£529

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 15/10

18:10-09:35

1 stop11h 55m

London Heathrow

Fri 24/10

14:05-00:39

1 stop14h 04m

£536

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 12/10

15:00-19:25

2 stops24h 55m

£197

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 1/10

15:00-15:35

2 stops21h 05m

£291

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 29/9

15:00-13:25

2 stops18h 55m

£306

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 13 results

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.

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 St. John's to London Heathrow Airport

What is the cheapest month to book a flight from St. John's to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from St. John's to London Heathrow Airport (average of £112). Flying from St. John's to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

10,000 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Graeme,Sept 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.

Air Canada

7.1

Good

10,000 reviews

Air Canada

7.1

Good

10,000 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Graeme,Sept 2025

YWG - YVR

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 9h 35m. 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 £498, 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 21% 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.
What is the cheapest month to book a flight from St. John's to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from St. John's to London Heathrow Airport (average of £112). Flying from St. John's to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Hounslow

Slough

Gatwick

Northampton

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Winchester

Chichester

Ipswich

Swindon

Dartford

Guildford

Brentford

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Top airline flying from St. John's to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£498	Average£657	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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

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.

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

Yes! Cheapflights helps users easily 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?

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 £197

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 12/10. 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 16 September 2025.

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 16 September 2025.

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

Everything you need to know about your flight from St. John's to London Heathrow Airport

What is the cheapest month to book a flight from St. John's to London Heathrow Airport?

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

Find useful and relevant information for your journey from St. John's to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

What is the cheapest month to book a flight from St. John's to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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 St. John's to Heathrow

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

Top airline flying from St. John's to Heathrow

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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 16 September 2025.