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Cheap flights from St. John's to London Heathrow Airport from £187

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — LHR
10 Jul — 17 Jul1
1 adult

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 July 2025.

Round-trip from

£414

One-way from

£187

Popular in

December

Cheapest in

March

Average price

£699
30/7-7/8
  • 30/7-7/8
  • 2 total stops
  • 24h 14m total
  • St. John's to London
18/8
  • 18/8
  • 1 total stop
  • 8h 00m total
  • St. John's to London
Highest demand for flights based on searches. 1% potential increase in price (£8 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 5 July 2025.

Wed 30/700:30YYT - LHR
1 stop15h 25mMultiple Airlines
Thu 7/806:20LHR - YYT
1 stop8h 49mMultiple Airlines
Deal found 3/7£414
Mon 29/905:50YYT - LHR
2 stops21h 25mUnited Airlines
Fri 17/1012:05LHR - YYT
1 stop13h 06mUnited Airlines
Deal found 3/7£514
Sun 14/918:10YYT - LHR
1 stop11h 55mLufthansa
Sun 28/915:50LHR - YYT
1 stop12h 56mLufthansa
Deal found 3/7£593
Sun 19/1014:00YYT - LHR
1 stop16h 05mAir Canada
Sat 25/1017:40LHR - YYT
1 stop19h 45mAir Canada
Deal found 4/7£607
Thu 31/716:35YYT - LHR
2 stops23h 15mSWISS
Wed 6/820:05LHR - YYT
2 stops29h 48mSWISS
Deal found 2/7£677

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 July 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

Wed 30/7

00:30-19:25

1 stop15h 25m

London Heathrow

Thu 7/8

06:20-11:39

1 stop8h 49m

£414

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 29/9

05:50-06:45

2 stops21h 25m

London Heathrow

Fri 17/10

12:05-21:41

1 stop13h 06m

£514

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 14/9

18:10-09:35

1 stop11h 55m

London Heathrow

Sun 28/9

15:50-01:16

1 stop12h 56m

£593

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 19/10

14:00-09:35

1 stop16h 05m

London Heathrow

Sat 25/10

17:40-09:55

1 stop19h 45m

£607

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 31/7

16:35-19:20

2 stops23h 15m

London Heathrow

Wed 6/8

20:05-22:23

2 stops29h 48m

£677

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 18/8

00:30-12:00

1 stop8h 00m

£187

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 14/7

18:10-10:00

1 stop12h 20m

£291

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 20/9

15:00-12:05

2 stops41h 35m

£477

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 17/8

11:00-21:00

1 stop30h 30m

£664

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 17/8

13:55-06:55

2 stops37h 30m

£915

Flights are sorted by cheapest return flights first.

Deals found on 5/7

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.

What is the cheapest time of day to fly from YYT to LHR?

Find hourly flight availability from St. John's to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 July 2025.

When flying from St. John's to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 25% versus a flight at midday.

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 July 2025.
Read reviews from past customers who have flown with SWISS, United Airlines, andWestJet 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.

Food

7.1

Crew

8.2

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Food

7.1

Crew

8.2

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Food

7.1

Crew

8.2

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Food

7.1

Crew

8.2

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Food

7.1

Crew

8.2

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Food

7.1

Crew

8.2

Overall

7.5

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

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.

  • What are the cheapest airlines flying from St. John's to London Heathrow Airport round-trip?

    Currently priced at £514, United Airlines will fly you from St. John's to London Heathrow Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and Air Canada - these airlines can fly you to your destination from £593 and £607, respectively. These flights start at 17% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. John's to London Heathrow Airport one-way?

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as £291. Users have also found prices from £477 and £664 on WestJet and Air Canada, respectively.

  • 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

Travelling to a place near St. John's?

Book flights to St. John's if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Swindon
Maidstone

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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.

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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£496Average£611FlexibilityNo 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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