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Cheap flights from St. John's to London Heathrow Airport from £251

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
27 Feb — 6 Mar1
1 adult

The best prices from St John's to London Heathrow are usually found in May or October, booked 41 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 22 February 2025.

Round-trip from

£551

One-way from

£251

Popular in

December

Cheapest in

May

Average price

£613
Air Canada
  • Air Canada
  • 10/3-18/3
  • 2 total stops
  • 28h 02m total
  • St. John's to London
16/7
  • 16/7
  • 1 total stop
  • 8h 10m 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 (£11 potential savings vs. average return price).
Average for round-trip flights in February 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 22 February 2025.

Mon 10/313:05YYT - LHR
1 stop15h 35mAir Canada
Tue 18/315:00LHR - YYT
1 stop12h 27mAir Canada
Deal found 21/2£551
Fri 28/205:30YYT - LHR
2 stops21h 40mUnited Airlines
Fri 7/316:20LHR - YYT
2 stops36h 07mUnited Airlines
Deal found 21/2£589
Mon 10/314:00YYT - LHR
1 stop14h 00mMultiple Airlines
Tue 18/310:00LHR - YYT
2 stops18h 01mMultiple Airlines
Deal found 21/2£673
Thu 3/718:20YYT - LHR
1 stop12h 10mLufthansa
Tue 15/717:40LHR - YYT
1 stop31h 26mLufthansa
Deal found 20/2£875
Fri 4/715:00YYT - LHR
2 stops21h 45mKLM
Thu 17/706:30LHR - YYT
2 stops19h 55mKLM
Deal found 20/2£967
Mon 12/518:10YYT - LHR
2 stops20h 05mTAP AIR PORTUGAL
Mon 2/606:00LHR - YYT
2 stops22h 44mTAP AIR PORTUGAL
Deal found 21/2£1,271
Sat 31/500:30YYT - LHR
1 stop12h 35mWestJet
Thu 31/714:10LHR - YYT
2 stops43h 23mWestJet
Deal found 22/2£1,435

Find flights from St. John's to Heathrow within your budget

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 22 February 2025.

Fly from

St. John's

Fly to

Heathrow

Route

Depart

Return

Price

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 10/3

13:05-07:10

1 stop15h 35m

London Heathrow

Tue 18/3

15:00-00:57

1 stop12h 27m

£551

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 21/3

05:30-05:55

2 stops21h 55m

London Heathrow

Fri 28/3

08:00-01:17

2 stops19h 47m

£589

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 10/3

06:00-07:10

3 stops22h 40m

London Heathrow

Tue 18/3

15:00-23:40

3 stops35h 10m

£663

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 3/7

18:20-10:00

1 stop12h 10m

London Heathrow

Tue 15/7

17:40-21:36

1 stop31h 26m

£875

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 4/7

15:00-16:15

2 stops21h 45m

London Heathrow

Thu 17/7

06:30-22:55

2 stops19h 55m

£967

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 12/5

18:10-17:45

2 stops20h 05m

London Heathrow

Mon 2/6

06:00-01:14

2 stops22h 44m

£1,271

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 5/7

00:30-16:35

1 stop12h 35m

London Heathrow

Mon 14/7

13:55-06:20

1 stop19h 55m

£1,450

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 16/7

00:30-12:10

1 stop8h 10m

£251

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 6/3

09:35-12:50

1 stop23h 45m

£350

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 21/3

17:25-11:50

1 stop15h 55m

£597

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 11 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.

Travel insights for flights from St. John's to Heathrow

Get recent, data-driven insights about flights from St. John's to Heathrow including ideal travel times, pricing trends, and more.

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 14 February 2025.

The best time to book flights from St. John's to London Heathrow Airport is 41 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 £163). 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 22 February 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 22 February 2025.

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 £551, 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. Search Cheapflights for deals from United Airlines and Lufthansa - these airlines can fly you to your destination from £589 and £875, respectively. These flights start at 15% 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 WestJet. According to our data, you can fly for as low as £350. Users have also found prices from £597 and £630 on Air Canada and TAP AIR PORTUGAL, 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 £163). 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
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Swindon
Northampton
Wembley
Southend-on-Sea
Ipswich
Winchester
Maidstone
Crawley
Southall
Watford

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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 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£535Average£652FlexibilityNo 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?

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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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