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Cheap flights from St. John's to London Heathrow Airport from £306

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — LHR
5 Dec — 12 Dec1
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 5 November 2025.

Thu 13/1120:55YYT - LHR
1 stop20h 10mMultiple Airlines
Thu 27/1106:50LHR - YYT
2 stops14h 01mMultiple Airlines
Deal found 4/11£525
Thu 13/1120:55YYT - LHR
2 stops30h 45mAir Canada
Thu 27/1109:00LHR - YYT
2 stops19h 26mAir Canada
Deal found 4/11£529
Wed 12/1118:10YYT - LHR
1 stop34h 50mAir Canada
Fri 21/1106:50LHR - YYT
2 stops14h 01mAir Canada
Deal found 2/11£541
Mon 10/1120:55YYT - LHR
2 stops30h 45mAir Canada
Mon 17/1109:00LHR - YYT
1 stop18h 00mAir Canada
Deal found 2/11£543
Mon 10/1120:55YYT - LHR
2 stops30h 45mMultiple Airlines
Mon 17/1120:15LHR - YYT
2 stops30h 28mMultiple Airlines
Deal found 2/11£545
Mon 1/1207:30YYT - LHR
1 stop9h 35mAir Canada
Wed 31/1213:25LHR - YYT
1 stop15h 01mAir Canada
Deal found 4/11£616
Tue 4/1118:10YYT - LHR
2 stops34h 15mAir Canada
Sat 8/1111:05LHR - YYT
2 stops33h 46mAir Canada
Deal found 4/11£646
Wed 12/1105:00YYT - LHR
2 stops24h 50mMultiple Airlines
Fri 21/1107:40LHR - YYT
2 stops19h 03mMultiple Airlines
Deal found 2/11£650
Tue 16/1207:30YYT - LHR
1 stop9h 35mAir Canada
Sun 28/1209:00LHR - YYT
1 stop18h 00mAir Canada
Deal found 4/11£651

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 5 November 2025.

Round-trip from

£538

One-way from

£306

Popular in

December

Cheapest in

March

Average price

£576
Air Canada
  • Air Canada
  • 3/3-11/3
  • 4 total stops
  • 47h 43m total
  • St. John's to London
Search Deals
30/11
  • 30/11
  • 3 total stops
  • 27h 20m total
  • St. John's to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 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 5 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

Tue 3/3

07:30-20:35

1 stop9h 35m

London Heathrow

Wed 11/3

09:00-01:33

2 stops19h 03m

£538

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 9/2

10:15-07:10

2 stops17h 25m

London Heathrow

Mon 16/2

06:50-17:21

2 stops14h 01m

£539

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 9/2

13:25-07:10

2 stops14h 15m

London Heathrow

Fri 13/2

12:00-00:56

2 stops16h 26m

£547

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 22/4

05:25-10:00

1 stop25h 05m

London Heathrow

Mon 11/5

12:40-22:23

1 stop13h 13m

£562

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 16/12

07:30-20:35

1 stop9h 35m

London Heathrow

Sun 28/12

09:00-20:15

1 stop14h 45m

£652

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 24/12

10:15-20:35

1 stop30h 50m

London Heathrow

Wed 7/1

13:25-00:59

1 stop15h 04m

£654

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 24/12

13:25-20:35

1 stop27h 40m

London Heathrow

Wed 7/1

12:00-00:59

2 stops16h 29m

£654

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 30/11

06:00-12:50

3 stops27h 20m

£306

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 7/4

06:20-10:20

3 stops24h 30m

£394

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 23/4

06:00-07:05

3 stops21h 35m

£425

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 14 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 £332). Flying from St. John's to London Heathrow Airport in December is currently the most expensive (average of £688). 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 5 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
10,403 reviews
Check prices

Boarding

7.3

Food

6.3

Entertainment

6.8

Comfort

7.1

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sept 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.
Air Canada
7.1
Good
10,403 reviews
Air Canada
7.1
Good
10,403 reviews
Check prices

Boarding

7.3

Food

6.3

Entertainment

6.8

Comfort

7.1

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sept 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.

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 £518, 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 22% 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 £332). Flying from St. John's to London Heathrow Airport in December is currently the most expensive (average of £688). 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
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£518Average£687FlexibilityNo 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?

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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