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Cheap flights from St. John's to London Heathrow Airport from £258

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — LHR
27 Jan — 3 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 28 December 2025.

Mon 29/1205:05YYT - LHR
2 stops36h 00mAir Canada
Wed 7/109:00LHR - YYT
1 stop18h 00mAir Canada
Deal found 28/12£1,280
Mon 29/1206:00YYT - LHR
3 stops21h 00mMultiple Airlines
Wed 7/106:00LHR - YYT
3 stops22h 31mMultiple Airlines
Deal found 28/12£1,612

Find 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 28 December 2025.

Round-trip from

£552

One-way from

£258

Popular in

November

Cheapest in

March

Average price

£867
Lufthansa
  • Lufthansa
  • 12/1-18/1
  • 3 total stops
  • 39h 13m total
  • St. John's to London
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WestJet
  • WestJet
  • 22/1
  • 1 total stop
  • 23h 35m total
  • St. John's to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£175 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 28 December 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

Mon 12/1

20:55-20:35

1 stop20h 10m

London Heathrow

Sun 18/1

07:40-23:13

2 stops19h 03m

£552

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 12/1

07:30-20:35

1 stop9h 35m

London Heathrow

Sun 18/1

09:00-20:15

1 stop14h 45m

£563

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 11/5

07:30-21:00

1 stop10h 00m

London Heathrow

Fri 29/5

08:40-00:41

2 stops19h 31m

£563

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 21/1

07:30-20:35

1 stop9h 35m

London Heathrow

Wed 28/1

09:00-01:11

2 stops19h 41m

£568

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 22/1

10:15-07:10

2 stops17h 25m

London Heathrow

Sun 25/1

12:05-01:11

2 stops40h 36m

£571

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 6/5

14:05-21:00

1 stop27h 25m

London Heathrow

Mon 11/5

09:30-23:28

2 stops17h 28m

£573

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 20/5

07:30-21:00

1 stop10h 00m

London Heathrow

Tue 9/6

12:40-13:28

1 stop28h 18m

£573

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 22/1

06:20-12:50

3 stops27h 00m

£265

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 9/2

06:15-12:50

3 stops27h 05m

£265

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 27/1

06:20-12:50

3 stops27h 00m

£283

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Showing 1-10 of 17 results
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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 £321). Flying from St. John's to London Heathrow Airport in November is currently the most expensive (average of £1,085). 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

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 28 December 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
10,562 reviews
Check prices

Comfort

7.1

Crew

7.8

Overall

7.1

Boarding

7.3

Food

6.3

Entertainment

6.8

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
10,562 reviews
Air Canada
7.1
Good
10,562 reviews
Check prices

Comfort

7.1

Crew

7.8

Overall

7.1

Boarding

7.3

Food

6.3

Entertainment

6.8

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 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 £595, 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 14% 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 £321). Flying from St. John's to London Heathrow Airport in November is currently the most expensive (average of £1,085). 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
Croydon
Luton
Slough
Northampton
Hounslow
Gatwick
Ilford
Wembley
Hayes
Brentford
Colchester
Watford
Crawley
Swindon
Bedford
Chelmsford
Romford
Eastbourne
Ipswich

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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 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£595Average£811FlexibilityNo 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.

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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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