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Cheap flights from St. John's to London Heathrow Airport from £267

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — LHR
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from St. John's to Heathrow

Enter your travel dates to find the best prices.

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 26 November 2025.

Fri 28/1105:05YYT - LHR
1 stop22h 35mAir Canada
Thu 11/1213:25LHR - YYT
2 stops23h 40mAir Canada
Deal found 25/11£520
Wed 3/1205:05YYT - LHR
1 stop22h 35mAir Canada
Tue 9/1213:25LHR - YYT
2 stops23h 40mAir Canada
Deal found 25/11£537
Wed 3/1213:30YYT - LHR
1 stop13h 30mLufthansa
Wed 10/1208:45LHR - YYT
2 stops19h 41mLufthansa
Deal found 26/11£539
Wed 3/1213:25YYT - LHR
2 stops18h 25mAir Canada
Wed 10/1213:25LHR - YYT
1 stop15h 01mAir Canada
Deal found 26/11£542
Wed 3/1213:25YYT - LHR
2 stops18h 25mAir Canada
Mon 8/1213:25LHR - YYT
2 stops23h 40mAir Canada
Deal found 24/11£543
Wed 24/1220:55YYT - LHR
1 stop20h 10mAir Canada
Wed 31/1209:00LHR - YYT
1 stop18h 00mAir Canada
Deal found 24/11£675
Tue 16/1207:30YYT - LHR
1 stop9h 35mMultiple Airlines
Wed 1/409:30LHR - YYT
1 stop18h 56mMultiple Airlines
Deal found 26/11£758

Cheap flight deals from St. John's to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from St. John's (YYT) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 November 2025.

Round-trip from

£468

One-way from

£267

Popular in

October

Cheapest in

March

Average price

£875
Lufthansa
  • Lufthansa
  • 2/5-9/5
  • 3 total stops
  • 29h 23m total
  • St. John's to London
Search Deals
21/1
  • 21/1
  • 3 total stops
  • 27h 20m total
  • St. John's to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£78 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from St. John's to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 November 2025.
Use the filters below to find and compare flights from St. John's to London Heathrow Airport that are best for you.

Fly from

St. John's

Fly to

Heathrow

Route

Depart

Return

Price

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 2/5

08:00-21:00

1 stop9h 30m

London Heathrow

Sat 9/5

09:30-17:22

1 stop11h 22m

£478

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 1/5

14:00-10:00

1 stop16h 30m

London Heathrow

Tue 5/5

06:55-00:33

2 stops21h 08m

£479

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 1/5

14:10-10:00

2 stops16h 20m

London Heathrow

Tue 5/5

06:50-17:22

2 stops14h 02m

£481

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 2/5

08:00-10:00

2 stops22h 30m

London Heathrow

Sat 9/5

06:50-21:31

2 stops18h 11m

£486

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 1/5

14:10-10:00

2 stops16h 20m

London Heathrow

Sat 16/5

09:30-10:13

2 stops28h 13m

£488

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 11/5

14:10-10:00

2 stops16h 20m

London Heathrow

Fri 29/5

12:40-22:23

1 stop13h 13m

£488

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 21/1

07:30-20:35

1 stop9h 35m

London Heathrow

Wed 28/1

08:45-01:11

2 stops19h 56m

£522

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 21/1

06:00-12:50

3 stops27h 20m

£267

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 22/1

05:05-12:50

2 stops28h 15m

£274

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 22/1

09:45-12:50

1 stop23h 35m

£320

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 15 results
1
2

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, June is the cheapest month in which you can book a flight from St. John's to London Heathrow Airport (average of £330). Flying from St. John's to London Heathrow Airport in December is currently the most expensive (average of £711). 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.

How much does it cost for a return flight from St. John's to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 26 November 2025.
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
10,476 reviews
Check prices

Comfort

7.1

Overall

7.1

Boarding

7.3

Crew

7.8

Entertainment

6.8

Food

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,476 reviews
Air Canada
7.1
Good
10,476 reviews
Check prices

Comfort

7.1

Overall

7.1

Boarding

7.3

Crew

7.8

Entertainment

6.8

Food

6.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

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?

    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 Lufthansa and Air Canada fly from St. John's to London Heathrow Airport in about 16h 20m. The time it takes to get you to your destination can typically vary by up to 10m. Airlines will cover a distance of 2307 mi. This flight may include one or multiple stops.

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

    Currently priced at £611, 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 12% 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, June is the cheapest month in which you can book a flight from St. John's to London Heathrow Airport (average of £330). Flying from St. John's to London Heathrow Airport in December is currently the most expensive (average of £711). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Slough
Croydon
Hounslow
Northampton
Gatwick
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Brentford
Winchester
Swindon
Crawley
Romford
Chichester
Bedford

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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.
St. John's to Gatwick flights

Top airline flying from St. John's to Heathrow

Discover the top airline that operate flights from St. John's to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£611Average£683FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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?

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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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