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Cheap flights from St. John's to London Heathrow Airport from £173

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — LHR
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from St John's to London Heathrow are usually found in March or November, booked 77 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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 30 April 2025.

Round-trip from

£502

One-way from

£173

Popular in

December

Cheapest in

March

Average price

£592
United Airlines
  • United Airlines
  • 4/6-10/6
  • 4 total stops
  • 44h 34m total
  • St. John's to London
16/7
  • 16/7
  • 1 total stop
  • 8h 30m 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 (£10 potential savings vs. average return price).
Average for round-trip flights in April 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 30 April 2025.

Wed 4/618:10YYT - LHR
2 stops23h 00mUnited Airlines
Tue 10/607:25LHR - YYT
2 stops21h 34mUnited Airlines
Deal found 29/4£502
Wed 4/618:10YYT - LHR
1 stop12h 20mLufthansa
Tue 10/615:50LHR - YYT
1 stop13h 09mLufthansa
Deal found 29/4£593
Mon 19/507:00YYT - LHR
1 stop10h 30mMultiple Airlines
Wed 28/521:10LHR - YYT
1 stop17h 59mMultiple Airlines
Deal found 29/4£599
Mon 19/508:00YYT - LHR
1 stop9h 30mAir Canada
Wed 28/512:40LHR - YYT
2 stops15h 27mAir Canada
Deal found 29/4£620

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 30 April 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 4/6

18:10-20:40

2 stops23h 00m

London Heathrow

Tue 10/6

07:25-01:29

2 stops21h 34m

£502

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 4/6

18:10-10:00

1 stop12h 20m

London Heathrow

Tue 10/6

15:50-01:29

1 stop13h 09m

£593

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 19/5

07:00-21:00

1 stop10h 30m

London Heathrow

Wed 28/5

21:10-11:39

1 stop17h 59m

£599

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 19/5

08:00-21:00

1 stop9h 30m

London Heathrow

Wed 28/5

12:40-00:37

2 stops15h 27m

£620

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 16/7

00:30-12:30

1 stop8h 30m

£173

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 16/7

14:00-06:30

1 stop13h 00m

£367

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 30/7

14:00-06:30

1 stop13h 00m

£368

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 17/9

15:00-12:05

2 stops41h 35m

£402

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 31/7

18:10-22:55

2 stops25h 15m

£597

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 17/9

14:00-22:25

2 stops28h 55m

£600

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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

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

Use this chart to determine the optimal time to book a return flight from St. John's to Heathrow. Price data was last updated on 25 April 2025.

The best time to book flights from St. John's to London Heathrow Airport is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 30 April 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

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.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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).

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 30 April 2025.
Read through reviews of airlines operating flights from St. John's to London, such as United Airlines, Turkish Airlines and WestJet. 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.

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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 £502, 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 £620, respectively. These flights start at 19% 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 Air Canada. According to our data, you can fly for as low as £367. Users have also found prices from £368 and £402 on Lufthansa and WestJet, 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
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Southend-on-Sea
Ilford
Crawley
Hayes
Ipswich
Watford
Wembley
Swindon
Folkestone
Maidstone
Winchester

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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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£505Average£622FlexibilityNo 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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