Cheap flights from London Heathrow Airport to St. John's from £259

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYT
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to St. John's

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to St. John's
Explore the most affordable flight options available from Heathrow to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2026.

Tue 23/607:40
LHR
-
YYT
2 stops18h 45m
Multiple Airlines
Mon 6/700:30
YYT
-
LHR
1 stop16h 20m
Multiple Airlines
Deal found 23/4£566
Mon 25/521:10
LHR
-
YYT
1 stop18h 10m
Multiple Airlines
Mon 1/615:00
YYT
-
LHR
2 stops21h 30m
Multiple Airlines
Deal found 27/4£590
Mon 1/621:10
LHR
-
YYT
1 stop18h 10m
Multiple Airlines
Mon 29/600:30
YYT
-
LHR
1 stop13h 20m
Multiple Airlines
Deal found 23/4£611
Tue 9/606:20
LHR
-
YYT
1 stop9h 00m
Multiple Airlines
Mon 15/600:30
YYT
-
LHR
1 stop12h 00m
Multiple Airlines
Deal found 24/4£620
Wed 3/621:10
LHR
-
YYT
1 stop18h 00m
Multiple Airlines
Mon 15/600:30
YYT
-
LHR
1 stop13h 20m
Multiple Airlines
Deal found 23/4£622
Wed 13/514:10
LHR
-
YYT
2 stops25h 58m
Air Canada
Sun 17/520:25
YYT
-
LHR
1 stop21h 05m
Air Canada
Deal found 27/4£640
Sat 12/906:50
LHR
-
YYT
2 stops22h 26m
Air Canada
Sun 20/917:40
YYT
-
LHR
2 stops33h 20m
Air Canada
Deal found 24/4£650
Wed 13/514:05
LHR
-
YYT
1 stop14h 06m
Air Canada
Mon 18/505:00
YYT
-
LHR
2 stops22h 00m
Air Canada
Deal found 26/4£654

Find flight deals from Heathrow to St. John's

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to St. John's (YYT). 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 28 April 2026.

Round-trip from

£566

One-way from

£259

Popular in

December

Cheapest in

February

Average price

£609
23/6-6/7
  • 23/6-6/7
  • 3 total stops
  • 35h 05m total
  • London to St. John's
25/5
  • 25/5
  • 1 total stop
  • 19h 10m total
  • London to St. John's
Highest demand for flights based on searches. 5% potential increase in price (£25 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to St. John's 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 28 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to St. John's that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Fri 15/5

12:40-23:28

1 stop14h 18m

St John's

Mon 18/5

05:00-06:30

2 stops22h 00m

£681
Fastest return journey

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 16/6

12:40-23:28

1 stop14h 18m

St John's

Tue 15/9

07:30-21:00

1 stop10h 00m

£684

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 13/5

12:40-19:43

1 stop10h 33m

St John's

Sun 17/5

20:25-21:00

1 stop21h 05m

£685

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 17/6

19:35-11:40

1 stop19h 35m

St John's

Sun 21/6

15:00-17:20

2 stops22h 50m

£687

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 24/6

06:50-23:28

2 stops20h 08m

St John's

Wed 8/7

18:05-10:00

1 stop12h 25m

£727

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 1/7

12:40-20:03

1 stop10h 53m

St John's

Wed 15/7

20:40-21:00

1 stop20h 50m

£743

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Mon 1/6

09:30-23:28

2 stops17h 28m

St John's

Mon 8/6

14:05-21:00

1 stop27h 25m

£743
Cheapest one-way

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Mon 25/5

20:10-11:50

1 stop19h 10m

£259

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Fri 15/5

15:30-13:10

2 stops49h 10m

£345

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 12/5

14:20-15:10

2 stops28h 20m

£391

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to St. John's

Have a flexible travel schedule? Discover the best time to fly to St. John's from Heathrow 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 London Heathrow Airport to St. John's

What is the cheapest month to book a flight from London Heathrow Airport to St. John's?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to St. John's (average of £521). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of £794). 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.

How much does it cost for a return flight from London Heathrow Airport to St. John's?

Reviews of airlines servicing St. John's

Get insights into the airlines that provide service to St. John's. 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 St. John's. Reviews last updated 28 April 2026.
See what other customers who have flown with WestJet and Air Canada from London Heathrow Airport to St. John's have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.4

Crew

7.9

Food

6.2

Overall

7.2

Comfort

7.0

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.

Boarding

7.4

Crew

7.9

Food

6.2

Overall

7.2

Comfort

7.0

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.

Boarding

7.4

Crew

7.9

Food

6.2

Overall

7.2

Comfort

7.0

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to St. John's. 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 into for flights to St. John's from London Heathrow?

    Located just 4.2 mi from the city center, St John's is the airport most travelers will use when flying to St. John's from London Heathrow. Booking flights from London Heathrow to St John's (YYT) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 2 different airlines.

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

    Airlines like Air Canada fly from London Heathrow Airport to St. John's in about 31h 23m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2307 mi.

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

    Our cheapest airline available from London Heathrow Airport to St. John's is WestJet. Our recent data shows that you can find tickets from as low as £303 on this airline. An additional option worth looking into is Air Canada, starting at £521. These flights start at 50% lower than the current average price 3 months from now.

  • Can I find deals for flights from Heathrow to St. John's that include hotel bookings?

    Yes. In addition to deals on Heathrow to St. John's flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to St. John's?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to St. John's.

  • Can I find deals for business class flights from Heathrow to St. John's?

    Yes. Cheapflights offers flight deals from Heathrow to St. John's 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 London Heathrow Airport to St. John's?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to St. John's (average of £521). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of £794). 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

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Alternative routes for Heathrow to St. John's

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Heathrow to St. John's

Discover the top 2 airlines that operate flights from Heathrow to St. John's. 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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£303Average£556FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£521Average£642FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to St. John's?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to St. John's?

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to St. John's flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to St. John's become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to St. John's on Cheapflights with our Price Alert feature and get notified when better prices are available.

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