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Cheap flights from St. John's to London Heathrow Airport from C$ 452

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
26 Feb — 5 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 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 21 February 2025.

Round-trip from

C$ 652

One-way from

C$ 452

Popular in

December

Cheapest in

May

Average price

C$ 1,102
21/7-29/7
  • 21/7-29/7
  • 2 total stops
  • 18h 15m 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 (C$ 28 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT 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 21 February 2025.

Mon 21/712:30 a.m.YYT - LHR
1 stop9h 25mMultiple Airlines
Tue 29/76:20 a.m.LHR - YYT
1 stop8h 50mMultiple Airlines
Deal found 20/2C$ 652
Mon 10/31:05 p.m.YYT - LHR
1 stop15h 35mAir Canada
Tue 18/33:00 p.m.LHR - YYT
1 stop12h 27mAir Canada
Deal found 21/2C$ 990
Fri 21/35:30 a.m.YYT - LHR
2 stops21h 55mUnited Airlines
Fri 28/38:00 a.m.LHR - YYT
2 stops19h 47mUnited Airlines
Deal found 19/2C$ 1,057
Thu 3/76:20 p.m.YYT - LHR
1 stop12h 10mLufthansa
Tue 15/73:50 p.m.LHR - YYT
1 stop33h 16mLufthansa
Deal found 19/2C$ 1,572
Fri 4/73:00 p.m.YYT - LHR
2 stops21h 45mKLM
Thu 17/76:30 a.m.LHR - YYT
2 stops19h 55mKLM
Deal found 20/2C$ 1,739
Tue 17/67:10 a.m.YYT - LHR
1 stop25h 25mWestJet
Thu 19/62:10 p.m.LHR - YYT
1 stop19h 40mWestJet
Deal found 20/2C$ 1,788
Sun 15/63:00 p.m.YYT - LHR
2 stops16h 00mAir France
Sat 21/67:45 p.m.LHR - YYT
2 stops30h 40mAir France
Deal found 20/2C$ 2,011
Mon 12/56:10 p.m.YYT - LHR
2 stops20h 05mTAP AIR PORTUGAL
Mon 2/66:00 a.m.LHR - YYT
2 stops22h 44mTAP AIR PORTUGAL
Deal found 21/2C$ 2,284
Fri 9/52:00 p.m.YYT - LHR
2 stops22h 30mTurkish Airlines
Sat 10/510:25 p.m.LHR - YYT
2 stops29h 42mTurkish Airlines
Deal found 20/2C$ 2,842

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

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 21 February 2025.

Fly from

St. John's

Fly to

Heathrow

Route

Depart

Return

Price

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 21/7

12:30 a.m.-1:25 p.m.

1 stop9h 25m

London Heathrow

Tue 29/7

6:20 a.m.-11:40 a.m.

1 stop8h 50m

C$ 652

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 11/3

1:50 p.m.-7:10 a.m.

2 stops14h 50m

London Heathrow

Tue 18/3

3:00 p.m.-12:57 a.m.

1 stop12h 27m

C$ 1,024

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 21/3

5:30 a.m.-5:55 a.m.

2 stops21h 55m

London Heathrow

Fri 28/3

8:00 a.m.-1:17 a.m.

2 stops19h 47m

C$ 1,057

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Thu 3/7

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

1 stop12h 10m

London Heathrow

Tue 15/7

5:40 p.m.-9:36 p.m.

1 stop31h 26m

C$ 1,572

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 4/7

3:00 p.m.-4:15 p.m.

2 stops21h 45m

London Heathrow

Thu 17/7

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

2 stops19h 55m

C$ 1,739

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 17/6

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

1 stop25h 25m

London Heathrow

Thu 19/6

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

1 stop19h 40m

C$ 1,788

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 15/6

3:00 p.m.-10:30 a.m.

2 stops16h 00m

London Heathrow

Sat 21/6

7:45 p.m.-10:55 p.m.

2 stops30h 40m

C$ 2,011

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 9/5

2:00 p.m.-4:00 p.m.

2 stops22h 30m

London Heathrow

Sat 10/5

10:25 p.m.-12:37 a.m.

2 stops29h 42m

C$ 2,842

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 31/5

3:00 p.m.-7:25 p.m.

2 stops24h 55m

C$ 514

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 14/6

3:00 p.m.-12:05 p.m.

2 stops41h 35m

C$ 692

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

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.

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 round-trip flight from St. John's to Heathrow. Price data was last updated on 14 February 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 41 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 21 February 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.

What is the cheapest day to fly from St. John's to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from St. John's to Heathrow. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their St. John's to London Heathrow Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 21 February 2025.
Read through reviews of airlines operating flights from St. John's to London, such as KLM, Air France and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

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

Entertainment

7.2

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

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

Entertainment

7.2

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

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

Entertainment

7.2

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

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

Entertainment

7.2

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

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

Entertainment

7.2

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

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?

    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$ 990. Additional round-trip tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at C$ 1,057 and C$ 1,572, respectively. Air Canada is 15% 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$ 629. Users have also found prices from C$ 1,098 and C$ 1,124 on Air Canada and Turkish Airlines, 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
Slough
Luton
Milton Keynes
Romford
Watford
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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 692AverageC$ 799FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 1,002AverageC$ 1,147FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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Can Cheapflights find flights from St. John's to Heathrow with no change fees?

Yes, we can. To see specific flights from St. John's to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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