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Cheap flights from London Heathrow Airport to St. John's from C$ 397

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYT
8 Jul — 15 Jul1
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 8 June 2026.

Mon 17/88:10 p.m.
LHR
-
YYT
1 stop19h 10m
Multiple Airlines
Wed 19/812:30 a.m.
YYT
-
LHR
1 stop9h 30m
Multiple Airlines
Deal found 7/6C$ 772
Wed 1/73:10 p.m.
LHR
-
YYT
1 stop24h 00m
Multiple Airlines
Wed 8/712:30 a.m.
YYT
-
LHR
1 stop12h 00m
Multiple Airlines
Deal found 7/6C$ 778
Mon 24/89:10 p.m.
LHR
-
YYT
1 stop18h 10m
Multiple Airlines
Wed 26/812:30 a.m.
YYT
-
LHR
1 stop12h 00m
Multiple Airlines
Deal found 4/6C$ 815
Wed 22/73:50 p.m.
LHR
-
YYT
1 stop23h 20m
Multiple Airlines
Sat 25/712:30 a.m.
YYT
-
LHR
1 stop9h 45m
Multiple Airlines
Deal found 5/6C$ 838
Wed 1/79:10 p.m.
LHR
-
YYT
1 stop18h 00m
Multiple Airlines
Sat 4/712:30 a.m.
YYT
-
LHR
1 stop27h 55m
Multiple Airlines
Deal found 3/6C$ 945
Tue 11/88:50 a.m.
LHR
-
YYT
2 stops18h 00m
Multiple Airlines
Mon 17/812:30 a.m.
YYT
-
LHR
1 stop13h 20m
Multiple Airlines
Deal found 3/6C$ 990
Wed 8/79:10 p.m.
LHR
-
YYT
1 stop18h 00m
Multiple Airlines
Wed 15/73:00 p.m.
YYT
-
LHR
2 stops24h 55m
Multiple Airlines
Deal found 3/6C$ 1,086

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 8 June 2026.

Round-trip from

C$ 815

One-way from

C$ 397

Popular in

December

Cheapest in

February

Average price

C$ 1,261
24/8-26/8
  • 24/8-26/8
  • 2 total stops
  • 30h 10m total
  • London to St. John's
Search Deals
11/8
  • 11/8
  • 3 total stops
  • 40h 45m total
  • London to St. John's
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 8 June 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 round-trip

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 22/7

6:10 p.m.-11:40 a.m.

1 stop21h 00m

St John's

Sun 26/7

4:00 p.m.-6:55 p.m.

2 stops23h 25m

C$ 1,022
Quickest round-trip

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Mon 14/9

2:05 p.m.-12:33 a.m.

1 stop13h 58m

St John's

Mon 28/9

7:30 a.m.-9:00 p.m.

1 stop10h 00m

C$ 1,246

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 1/7

6:50 a.m.-8:03 p.m.

2 stops16h 43m

St John's

Mon 13/7

2:05 p.m.-9:00 p.m.

1 stop27h 25m

C$ 1,337

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Wed 1/7

2:10 p.m.-11:28 p.m.

2 stops12h 48m

St John's

Wed 8/7

2:05 p.m.-8:35 a.m.

2 stops15h 00m

C$ 1,371

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Fri 19/6

12:40 p.m.-8:03 p.m.

1 stop10h 53m

St John's

Mon 22/6

8:40 p.m.-9:00 p.m.

1 stop20h 50m

C$ 1,388

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Mon 22/6

9:10 p.m.-11:50 a.m.

1 stop18h 10m

St John's

Thu 25/6

4:00 p.m.-11:55 a.m.

2 stops16h 25m

C$ 1,426

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Thu 18/6

1:50 p.m.-12:45 a.m.

2 stops38h 25m

St John's

Mon 22/6

8:40 p.m.-9:00 p.m.

1 stop20h 50m

C$ 1,440

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Thu 22/10

5:05 p.m.-6:00 p.m.

1 stop28h 25m

St John's

Mon 26/10

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

1 stop12h 45m

C$ 1,445
Cheapest one-way

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 7/7

8:50 p.m.-11:40 a.m.

3 stops42h 20m

C$ 399

LondonSt. John's

LHR - YYT

LHRYYT

London Heathrow

Tue 30/6

3:30 p.m.-11:40 a.m.

3 stops47h 40m

C$ 411

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 19 resultsSorted by cheapest first
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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 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 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 C$ 983). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of C$ 1,500). 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 to fly round-trip from London Heathrow Airport to St. John's?

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?

    St John's (YYT), located 6.7 km from the city centre, is the airport you fly into when you book flights from London Heathrow to St. John's. 0 airlines have flights to St John's from London Heathrow on a regular basis. Booking flights from London Heathrow to St John's should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

  • 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 13h 58m. The time it takes to get you to your destination can typically vary by up to . London Heathrow Airport and St. John's are separated by a distance of 3713 km.

  • 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 vacation 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 C$ 983). Flying from London Heathrow Airport to St. John's in December is currently the most expensive (average of C$ 1,500). 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.
Gatwick to St. John's flights

Fly with Cheapflights

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

Deals for Heathrow to St. John's flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. John's from Heathrow.

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

Certainly. Search results for flights to St. John's from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Heathrow to St. John's 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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