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Cheap flights from St. John's to London Heathrow Airport from C$ 345

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — LHR
20 Apr — 27 Apr1
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 Wednesday or Sunday and return on a Monday

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 15 April 2025.

Round-trip from

C$ 766

One-way from

C$ 345

Popular in

December

Cheapest in

March

Average price

C$ 1,101
4/6-12/6
  • 4/6-12/6
  • 2 total stops
  • 17h 29m total
  • St. John's to London
11/6
  • 11/6
  • 1 total stop
  • 17h 35m total
  • St. John's to London
Highest demand for flights based on searches. 2% potential increase in price (C$ 38 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 36 potential savings vs. average RT 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 15 April 2025.

Wed 4/612:30 a.m.YYT - LHR
1 stop8h 40mMultiple Airlines
Thu 12/66:20 a.m.LHR - YYT
1 stop8h 49mMultiple Airlines
Deal found 15/4C$ 766
Wed 8/106:20 p.m.YYT - LHR
1 stop12h 10mAir Canada
Wed 22/106:50 a.m.LHR - YYT
2 stops13h 59mAir Canada
Deal found 14/4C$ 932
Sat 7/65:45 a.m.YYT - LHR
2 stops21h 05mUnited Airlines
Sat 14/68:30 a.m.LHR - YYT
1 stop20h 29mUnited Airlines
Deal found 15/4C$ 980
Wed 4/66:10 p.m.YYT - LHR
1 stop12h 20mLufthansa
Fri 13/66:30 a.m.LHR - YYT
2 stops21h 37mLufthansa
Deal found 14/4C$ 1,026
Thu 5/63:00 p.m.YYT - LHR
2 stops39h 45mDelta
Tue 17/66:50 p.m.LHR - YYT
2 stops55h 35mDelta
Deal found 14/4C$ 1,352
Fri 6/63:00 p.m.YYT - LHR
2 stops19h 20mKLM
Fri 13/66:30 a.m.LHR - YYT
2 stops19h 55mKLM
Deal found 14/4C$ 1,384
Tue 10/67:10 a.m.YYT - LHR
1 stop25h 25mWestJet
Fri 13/62:10 p.m.LHR - YYT
1 stop19h 40mWestJet
Deal found 14/4C$ 1,976
Fri 9/52:00 p.m.YYT - LHR
2 stops28h 55mTurkish Airlines
Thu 15/511:20 a.m.LHR - YYT
2 stops40h 47mTurkish Airlines
Deal found 13/4C$ 2,263
Mon 5/58:45 a.m.YYT - LHR
2 stops51h 20mAvianca
Sun 11/510:05 p.m.LHR - YYT
2 stops51h 04mAvianca
Deal found 13/4C$ 2,714

Cheapflights Fare Finder

Customize 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 629,999 searches. Data last updated 15 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

12:30 a.m.-12:40 p.m.

1 stop8h 40m

London Heathrow

Thu 12/6

6:20 a.m.-11:39 a.m.

1 stop8h 49m

C$ 766

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 8/10

6:20 p.m.-10:00 a.m.

1 stop12h 10m

London Heathrow

Wed 22/10

6:50 a.m.-5:19 p.m.

2 stops13h 59m

C$ 932

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 7/6

5:45 a.m.-6:20 a.m.

2 stops21h 05m

London Heathrow

Sat 14/6

8:30 a.m.-1:29 a.m.

1 stop20h 29m

C$ 980

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 4/6

6:10 p.m.-10:00 a.m.

1 stop12h 20m

London Heathrow

Fri 13/6

6:30 a.m.-12:37 a.m.

2 stops21h 37m

C$ 1,026

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 5/6

3:00 p.m.-12:35 p.m.

2 stops42h 05m

London Heathrow

Mon 16/6

4:05 p.m.-10:55 p.m.

2 stops58h 20m

C$ 1,352

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 6/6

3:00 p.m.-1:50 p.m.

2 stops19h 20m

London Heathrow

Fri 13/6

6:30 a.m.-10:55 p.m.

2 stops19h 55m

C$ 1,384

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 10/6

7:10 a.m.-12:05 p.m.

1 stop25h 25m

London Heathrow

Fri 13/6

2:10 p.m.-6:20 a.m.

1 stop19h 40m

C$ 1,976

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 9/5

2:00 p.m.-10:25 p.m.

2 stops28h 55m

London Heathrow

Thu 15/5

11:20 a.m.-12:37 a.m.

2 stops40h 47m

C$ 2,263

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 5/5

8:45 a.m.-3:35 p.m.

2 stops51h 20m

London Heathrow

Sun 11/5

10:05 p.m.-9:39 p.m.

2 stops51h 04m

C$ 2,714

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 11/6

12:30 a.m.-9:35 p.m.

1 stop17h 35m

C$ 345

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 13 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 round-trip 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 round-trip flight from St. John's to Heathrow. Price data was last updated on 11 April 2025.

To ensure you get the cheapest price possible for a flight from St. John's to London Heathrow Airport, you should look to book at least 75 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 C$ 560). Flying from St. John's to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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 15 April 2025.

A simple way to save on the total cost of your ticket is to fly from St. John's to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight at noon.

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 mm 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 15 April 2025.

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding 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?

    Most people fly from St John's (YYT) if they book a flight from St. John's to London Heathrow. On average, St John's has 0 outbound flights to London Heathrow per day from 2 airlines. St John's is conveniently located just 6.7 km from St. John's’s city centre.

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

    Flying on Air Canada is currently your cheapest option to London Heathrow Airport, with prices starting at C$ 932. Additional round-trip tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at C$ 980 and C$ 1,026, respectively. Air Canada is 18% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 C$ 799. Users have also found prices from C$ 1,066 and C$ 1,191 on Lufthansa 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 vacation 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 C$ 560). Flying from St. John's to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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
Brentford
Hounslow
Sutton
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

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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 2 airlines flying from St. John's to Heathrow

Discover the top 2 airlines 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 629,999 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 562AverageC$ 829FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 914AverageC$ 1,120FlexibilityNo 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, Cheapflights offers price alerts on St. John's to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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