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Cheap flights from St. John's to London Heathrow Airport from C$ 483

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — LHR
15 Apr — 22 Apr1
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 16 March 2026.

Sat 10/1011:05 a.m.
YYT
-
LHR
1 stop30h 25m
Air Canada
Thu 15/108:45 a.m.
LHR
-
YYT
2 stops32h 13m
Air Canada
Deal found 15/3C$ 1,093
Sat 10/107:30 a.m.
YYT
-
LHR
1 stop10h 00m
Air Canada
Tue 13/107:30 p.m.
LHR
-
YYT
2 stops49h 08m
Air Canada
Deal found 15/3C$ 1,099
Sat 10/101:15 p.m.
YYT
-
LHR
2 stops28h 15m
Air Canada
Wed 14/107:30 p.m.
LHR
-
YYT
2 stops32h 33m
Air Canada
Deal found 15/3C$ 1,104
Tue 14/46:15 p.m.
YYT
-
LHR
2 stops33h 10m
United Airlines
Tue 21/411:05 a.m.
LHR
-
YYT
2 stops33h 46m
United Airlines
Deal found 15/3C$ 1,119
Tue 28/46:15 p.m.
YYT
-
LHR
2 stops38h 10m
United Airlines
Tue 5/53:20 p.m.
LHR
-
YYT
2 stops25h 11m
United Airlines
Deal found 14/3C$ 1,121
Fri 9/108:25 p.m.
YYT
-
LHR
1 stop21h 05m
Air Canada
Sun 18/1012:40 p.m.
LHR
-
YYT
1 stop14h 18m
Air Canada
Deal found 14/3C$ 1,124
Sun 3/55:40 p.m.
YYT
-
LHR
2 stops33h 45m
United Airlines
Fri 15/53:20 p.m.
LHR
-
YYT
2 stops25h 11m
United Airlines
Deal found 15/3C$ 1,125
Fri 4/96:05 p.m.
YYT
-
LHR
2 stops33h 20m
United Airlines
Mon 14/97:45 a.m.
LHR
-
YYT
2 stops20h 18m
United Airlines
Deal found 11/3C$ 1,128
Fri 4/97:30 a.m.
YYT
-
LHR
1 stop10h 00m
Air Canada
Mon 14/912:40 p.m.
LHR
-
YYT
1 stop10h 33m
Air Canada
Deal found 15/3C$ 1,130
Sun 29/35:25 a.m.
YYT
-
LHR
2 stops23h 25m
United Airlines
Tue 7/48:00 a.m.
LHR
-
YYT
2 stops18h 43m
United Airlines
Deal found 12/3C$ 1,138

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 16 March 2026.

Round-trip from

C$ 1,119

One-way from

C$ 483

Popular in

November

Cheapest in

April

Average price

C$ 1,069
United Airlines
  • United Airlines
  • 14/4-21/4
  • 4 total stops
  • 66h 56m total
  • St. John's to London
Search Deals
26/5
  • 26/5
  • 3 total stops
  • 25h 50m total
  • St. John's to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 596 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 97 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 16 March 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 round-trip

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 4/5

5:35 a.m.-6:55 a.m.

2 stops21h 50m

London Heathrow

Sat 16/5

4:40 p.m.-1:01 p.m.

2 stops23h 51m

C$ 1,119

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 8/6

6:10 p.m.-9:35 p.m.

2 stops23h 55m

London Heathrow

Fri 19/6

9:30 a.m.-12:45 a.m.

2 stops18h 45m

C$ 1,119

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 2/9

5:35 a.m.-7:15 a.m.

2 stops22h 10m

London Heathrow

Wed 16/9

9:30 a.m.-12:33 a.m.

2 stops18h 33m

C$ 1,121

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 19/5

5:35 a.m.-7:15 a.m.

2 stops22h 10m

London Heathrow

Fri 5/6

9:30 a.m.-12:36 a.m.

2 stops18h 36m

C$ 1,121

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sun 3/5

5:40 p.m.-6:55 a.m.

2 stops33h 45m

London Heathrow

Fri 15/5

3:20 p.m.-1:01 p.m.

2 stops25h 11m

C$ 1,125

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 4/5

5:35 a.m.-5:55 a.m.

2 stops20h 50m

London Heathrow

Wed 20/5

8:00 a.m.-1:48 a.m.

2 stops21h 18m

C$ 1,138

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Sat 2/5

6:10 p.m.-9:35 p.m.

2 stops23h 55m

London Heathrow

Mon 11/5

12:15 p.m.-1:01 p.m.

2 stops28h 16m

C$ 1,253
Quickest round-trip

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 1/5

2:00 p.m.-10:40 a.m.

2 stops17h 10m

London Heathrow

Sat 9/5

10:25 a.m.-12:41 a.m.

2 stops17h 46m

C$ 1,264

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 30/3

6:10 p.m.-7:15 a.m.

2 stops33h 35m

London Heathrow

Mon 6/4

8:00 a.m.-1:38 a.m.

2 stops21h 08m

C$ 1,269
Cheapest one-way

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 13/4

6:20 a.m.-10:55 p.m.

3 stops37h 05m

C$ 552

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

Showing 1-10 of 20 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 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

What’s the top layover airport for flights from St. John's to London Heathrow Airport?

Share of one-stop round-trip flights from St. John's to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Halifax (YHZ) – chosen by Cheapflights users on 57% of one-stop itineraries from St. John's to London Heathrow Airport on Cheapflights.

What’s the cheapest layover airport for flights from St. John's to London Heathrow Airport?

Average round-trip fare for 1-stop flights from St. John's to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Halifax (YHZ) is the most affordable 1-stop option, with an average round-trip price of C$ 2,206.

What’s the fastest layover option from St. John's to London Heathrow Airport?

Shortest average travel time for 1-stop one-way flights from St. John's to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Halifax (YHZ) have the shortest average one-way travel time for 1-stop routes: 9h 41m.

Which airport typically offers the quickest layover for flights from St. John's to London Heathrow Airport?

Average layover duration for 1-stop one-way flights from St. John's to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Halifax (YHZ) offer the fastest connection on this route, with an average layover time of 2h 13m.

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 16 March 2026.
Read reviews from past customers who have flown 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
10,805 reviews
Check prices

Crew

7.8

Entertainment

6.8

Boarding

7.3

Food

6.3

Comfort

7.1

Overall

7.1

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.
Air Canada
7.1
Good
10,805 reviews
Air Canada
7.1
Good
10,805 reviews
Check prices

Crew

7.8

Entertainment

6.8

Boarding

7.3

Food

6.3

Comfort

7.1

Overall

7.1

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.

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 1 airline. St John's is conveniently located just 6.7 km from St. John's’s city centre.

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

    United Airlines can get you from St. John's to London Heathrow Airport in just under 21h 50m. Your travel time can differ by up to . There are 3713 km between St. John's and London Heathrow Airport.

  • What is the cheapest airline to fly 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$ 902. Air Canada is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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.

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
Twickenham
Sutton
Gatwick
Slough
Marlow
Cobham
Leamington Spa
Romford
Watford
Bedford
Luton
High Wycombe
Stratford-upon-Avon
Hounslow
Moreton-in-Marsh

Browse thousands of different options on Cheapflights for your next trip

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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
St. John's to London City flights
St. John's to Luton 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 629,999 searches. Data last updated 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 902AverageC$ 1,191FlexibilityNo 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?

Cheapflights helps you search for flights from St. John's to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from St. John's to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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