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Cheap flights from St. John's to London Heathrow Airport from £191

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — LHR
24 Jul — 31 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. John's to Heathrow

Enter your travel dates to find the best prices.

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 24 June 2026.

Mon 27/700:30
YYT
-
LHR
1 stop13h 20m
Multiple Airlines
Wed 12/821:10
LHR
-
YYT
1 stop18h 00m
Multiple Airlines
Deal found 23/6£388
Mon 20/700:30
YYT
-
LHR
1 stop9h 30m
Multiple Airlines
Wed 29/716:50
LHR
-
YYT
1 stop22h 20m
Multiple Airlines
Deal found 22/6£410
Mon 10/800:30
YYT
-
LHR
1 stop12h 00m
Multiple Airlines
Wed 19/821:10
LHR
-
YYT
1 stop18h 00m
Multiple Airlines
Deal found 22/6£539
Wed 5/800:30
YYT
-
LHR
1 stop13h 20m
Multiple Airlines
Thu 13/806:30
LHR
-
YYT
3 stops33h 35m
Multiple Airlines
Deal found 22/6£562
Mon 20/700:30
YYT
-
LHR
1 stop9h 30m
Multiple Airlines
Tue 28/706:20
LHR
-
YYT
1 stop9h 00m
Multiple Airlines
Deal found 21/6£589
Wed 12/800:30
YYT
-
LHR
1 stop9h 30m
Multiple Airlines
Tue 25/807:40
LHR
-
YYT
2 stops18h 45m
Multiple Airlines
Deal found 22/6£600
Wed 9/905:35
YYT
-
LHR
2 stops22h 10m
United Airlines
Sat 12/910:25
LHR
-
YYT
2 stops17h 38m
United Airlines
Deal found 23/6£604
Tue 8/905:35
YYT
-
LHR
2 stops21h 50m
United Airlines
Tue 15/915:20
LHR
-
YYT
2 stops24h 23m
United Airlines
Deal found 23/6£604
Sun 6/905:35
YYT
-
LHR
2 stops22h 10m
United Airlines
Sun 13/916:40
LHR
-
YYT
2 stops27h 58m
United Airlines
Deal found 19/6£605
Wed 7/1005:35
YYT
-
LHR
2 stops22h 10m
United Airlines
Wed 14/1011:05
LHR
-
YYT
2 stops16h 58m
United Airlines
Deal found 19/6£607

Find 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 24 June 2026.

Round-trip from

£388

One-way from

£191

Popular in

November

Cheapest in

June

Average price

£583
27/7-12/8
  • 27/7-12/8
  • 2 total stops
  • 31h 20m total
  • St. John's to London
Search Deals
20/7
  • 20/7
  • 1 total stop
  • 9h 30m total
  • St. John's to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£123 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 24 June 2026.
Use the filters below to find and compare flights from St. John's to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 9/9

05:35-07:15

2 stops22h 10m

London Heathrow

Sat 12/9

10:25-00:33

2 stops17h 38m

£604

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 20/9

05:35-09:20

2 stops24h 15m

London Heathrow

Sat 26/9

16:40-00:33

2 stops35h 23m

£604

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 6/9

05:35-07:15

2 stops22h 10m

London Heathrow

Sun 13/9

16:40-17:08

2 stops27h 58m

£605

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 1/12

13:05-05:55

2 stops37h 20m

London Heathrow

Tue 15/12

12:05-00:56

2 stops40h 21m

£607

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 16/9

15:00-20:55

2 stops26h 25m

London Heathrow

Wed 23/9

17:50-22:55

1 stop32h 35m

£630

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 8/9

15:00-17:35

2 stops23h 05m

London Heathrow

Tue 15/9

17:50-22:55

1 stop32h 35m

£630

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 7/10

15:00-17:35

2 stops23h 05m

London Heathrow

Wed 14/10

17:50-22:55

1 stop32h 35m

£633

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 19/8

07:30-08:35

2 stops21h 35m

London Heathrow

Mon 31/8

08:40-13:00

2 stops31h 50m

£668
Fastest return journey

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 7/8

07:30-21:00

1 stop10h 00m

London Heathrow

Fri 14/8

09:30-00:50

1 stop18h 50m

£672

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 24/11

05:05-05:55

2 stops21h 20m

London Heathrow

Sat 28/11

08:00-00:56

2 stops20h 26m

£673

Flights are sorted by cheapest return flights first.

Deals found on 19/6

Showing 1-10 of 19 resultsSorted by cheapest first
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.

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 24 June 2026.
Read reviews from past customers who have flown with Air Canada 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.
Air Canada
7.1
Good
11,251 reviews
Check prices

Food

6.3

Overall

7.1

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.
Air Canada
7.1
Good
11,251 reviews
Air Canada
7.1
Good
11,251 reviews
Check prices

Food

6.3

Overall

7.1

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.

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.

  • How long is the flight from St. John's to London Heathrow Airport?

    Airlines like United Airlines and KLM fly from St. John's to London Heathrow Airport in about 22h 10m. The time it takes to get you to your destination can typically vary by up to 4h 15m. Airlines will cover a distance of 2307 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from St. John's to London Heathrow Airport round-trip?

    Currently priced at £608, 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. This flight start at 23% lower than the current average price 3 months from now.

  • 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Northampton
Kingston upon Thames
Swindon
Eastbourne
Watford
Poole
Southall
Romford
Ipswich

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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.
St. John's to Gatwick flights

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 24 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£608Average£894FlexibilityNo 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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