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Cheap flights from St. John's to London from C$ 449

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. John's to London departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. John's to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 a.m. - 6:55 p.m.
YYT
-
LHR
14h 55m
1 stop
Multiple Airlines Logo
9:10 p.m. - 11:40 a.m.
LHR
-
YYT
18h 00m
1 stop
C$ 886Multiple Airlines
Wed, 24 Jun - Wed, 1 Jul
Multiple Airlines Logo
12:30 a.m. - 4:00 p.m.
YYT
-
LHR
12h 00m
1 stop
Multiple Airlines Logo
9:10 p.m. - 11:50 a.m.
LHR
-
YYT
18h 10m
1 stop
C$ 888Multiple Airlines
Wed, 22 Jul - Mon, 27 Jul
Multiple Airlines Logo
12:30 a.m. - 7:25 p.m.
YYT
-
LHR
15h 25m
1 stop
Multiple Airlines Logo
9:10 p.m. - 11:40 a.m.
LHR
-
YYT
18h 00m
1 stop
C$ 889Multiple Airlines
Wed, 24 Jun - Wed, 1 Jul
Multiple Airlines Logo
3:00 p.m. - 12:40 p.m.
YYT
-
LHR
18h 10m
2 stops
Multiple Airlines Logo
7:40 a.m. - 10:55 p.m.
LHR
-
YYT
18h 45m
2 stops
C$ 970Multiple Airlines
Mon, 24 Aug - Tue, 1 Sep
Air Canada Logo
11:05 a.m. - 9:00 p.m.
YYT
-
LHR
30h 25m
1 stop
Air Canada Logo
6:50 a.m. - 12:36 a.m.
LHR
-
YYT
21h 16m
2 stops
C$ 1,000Air Canada
Wed, 3 Jun - Wed, 10 Jun
Air Canada Logo
7:30 a.m. - 9:00 p.m.
YYT
-
LHR
10h 00m
1 stop
Air Canada Logo
12:40 p.m. - 11:28 p.m.
LHR
-
YYT
14h 18m
1 stop
C$ 1,013Air Canada
Wed, 3 Jun - Wed, 10 Jun
Air Canada Logo
2:00 p.m. - 8:35 a.m.
YYT
-
LHR
15h 05m
2 stops
Air Canada Logo
9:30 a.m. - 8:03 p.m.
LHR
-
YYT
14h 03m
2 stops
C$ 1,024Air Canada
Wed, 3 Jun - Wed, 10 Jun
Multiple Airlines Logo
6:10 p.m. - 10:00 a.m.
YYT
-
LHR
12h 20m
1 stop
Multiple Airlines Logo
8:30 a.m. - 11:21 p.m.
LHR
-
YYT
18h 21m
1 stop
C$ 1,039Multiple Airlines
Fri, 18 Sep - Mon, 5 Oct
Multiple Airlines Logo
2:05 p.m. - 10:00 a.m.
YYT
-
LHR
16h 25m
2 stops
Multiple Airlines Logo
2:05 p.m. - 12:36 a.m.
LHR
-
YYT
14h 01m
1 stop
C$ 1,042Multiple Airlines
Tue, 2 Jun - Tue, 9 Jun
Air Canada Logo
8:25 p.m. - 8:35 a.m.
YYT
-
LHR
32h 40m
2 stops
Air Canada Logo
6:50 a.m. - 11:21 p.m.
LHR
-
YYT
20h 01m
2 stops
C$ 1,044Air Canada
Fri, 18 Sep - Mon, 5 Oct

Air Canada flights from St. John's to London Heathrow Airport

Our best Air Canada deals on St. John's to London Heathrow Airport flight tickets
Air Canada
3 Jun
YYT11:05 a.m.St John's
30h 25m
1 stop
LHR9:00 p.m.London Heathrow
10 Jun
LHR6:50 a.m.London Heathrow
21h 16m
2 stops
YYT12:36 a.m.St John's
C$ 1,000
Air Canada
3 Jun
YYT7:30 a.m.St John's
10h 00m
1 stop
LHR9:00 p.m.London Heathrow
10 Jun
LHR12:40 p.m.London Heathrow
14h 18m
1 stop
YYT11:28 p.m.St John's
C$ 1,013
Air Canada
3 Jun
YYT2:00 p.m.St John's
15h 05m
2 stops
LHR8:35 a.m.London Heathrow
10 Jun
LHR9:30 a.m.London Heathrow
14h 03m
2 stops
YYT8:03 p.m.St John's
C$ 1,024

United Airlines flights from St. John's to London Heathrow Airport

Our best United Airlines deals on St. John's to London Heathrow Airport flight tickets
United Airlines
18 Sep
YYT6:10 p.m.St John's
33h 35m
2 stops
LHR7:15 a.m.London Heathrow
4 Oct
LHR7:45 a.m.London Heathrow
20h 18m
2 stops
YYT12:33 a.m.St John's
C$ 1,126
United Airlines
22 May
YYT5:35 a.m.St John's
25h 35m
2 stops
LHR10:40 a.m.London Heathrow
29 May
LHR4:00 p.m.London Heathrow
24h 31m
2 stops
YYT1:01 p.m.St John's
C$ 1,128
United Airlines
8 May
YYT6:10 p.m.St John's
32h 15m
2 stops
LHR5:55 a.m.London Heathrow
15 May
LHR11:05 a.m.London Heathrow
39h 48m
2 stops
YYT11:23 p.m.St John's
C$ 1,130

momondo Fare Finder

 
Customize your flight search to find flights from St. John's to London Heathrow Airport 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, momondo users made 96,600 searches. Data last updated 5 May 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

Wed 24/6

12:30 a.m.-6:55 p.m.

1 stop14h 55m

London Heathrow

Wed 1/7

9:10 p.m.-11:40 a.m.

1 stop18h 00m

C$ 886

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 22/7

12:30 a.m.-4:00 p.m.

1 stop12h 00m

London Heathrow

Mon 27/7

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

1 stop18h 10m

C$ 888

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 24/6

12:30 a.m.-7:25 p.m.

1 stop15h 25m

London Heathrow

Wed 1/7

9:10 p.m.-11:40 a.m.

1 stop18h 00m

C$ 889

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Mon 24/8

3:00 p.m.-12:40 p.m.

2 stops18h 10m

London Heathrow

Tue 1/9

7:40 a.m.-10:55 p.m.

2 stops18h 45m

C$ 970

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 3/6

11:05 a.m.-9:00 p.m.

1 stop30h 25m

London Heathrow

Wed 10/6

6:50 a.m.-12:36 a.m.

2 stops21h 16m

C$ 1,000
Quickest round-trip

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 3/6

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

1 stop10h 00m

London Heathrow

Wed 10/6

12:40 p.m.-11:28 p.m.

1 stop14h 18m

C$ 1,013

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Wed 3/6

2:00 p.m.-8:35 a.m.

2 stops15h 05m

London Heathrow

Wed 10/6

9:30 a.m.-8:03 p.m.

2 stops14h 03m

C$ 1,024

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 18/9

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

1 stop12h 20m

London Heathrow

Mon 5/10

8:30 a.m.-11:21 p.m.

1 stop18h 21m

C$ 1,039

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Tue 2/6

2:05 p.m.-10:00 a.m.

2 stops16h 25m

London Heathrow

Tue 9/6

2:05 p.m.-12:36 a.m.

1 stop14h 01m

C$ 1,042

St. John'sLondon

YYT - LHR

YYTLHR

St John's

Fri 18/9

8:25 p.m.-8:35 a.m.

2 stops32h 40m

London Heathrow

Mon 5/10

6:50 a.m.-11:21 p.m.

2 stops20h 01m

C$ 1,044

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from St. John's to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. John's and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from St. John's, with most prices found around C$ 0. If you aren’t able to travel to London Heathrow Airport during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 934.

Can stopping save me money on St. John's to London Heathrow Airport flights?

You could potentially save up to 8% on your flight if you consider stops on a St. John's to London Heathrow Airport flight.

When to book flights from St. John's to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. John's to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. John's to London Heathrow Airport (YYT to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. John's to London Heathrow Airport

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from St. John's to London Heathrow Airport takes 12h 20m
There are no direct flights from St. John's to London Heathrow Airport. There are no popular flight routes from St. John's to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from St. John's to London Heathrow Airport

  • How far is St John's to London Heathrow by plane?

    The straight-line distance from St John's to London Heathrow is 3713.4 km. A reasonable flight in good conditions will take 12h 20m.

  • When did momondo last update prices for flights from St John's Airport to London Heathrow Airport?

    Prices for flights from St John's Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from St John's Airport to London Heathrow Airport?

  • How old do you have to be to fly from St John's Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from St John's Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. John's to London Heathrow Airport?

Best airlines flying from St. John's to London Heathrow Airport

Compare and see reviews for airlines that fly from St. John's to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 907Free CancellationRating
7.1
11,000 reviews
Search Air Canada flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Poole
Milton Keynes
Wembley
Slough
Swindon
Gatwick
Wokingham
Salisbury
Stratford-upon-Avon
Crawley
Feltham
Hayes
Waterlooville
Chelmsford
Basingstoke
Dover
Worthing
Ipswich
Woking

Why use momondo?

Why should I use momondo to find a flight deal from St. John's to London?

Finding the right flight to London from St. John's is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from St. John's to London with flexible booking policies on momondo?

Flights from St. John's to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. John's to London?

Once all potential St. John's to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. John's to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. John's to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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