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Cheap flights from London Heathrow Airport to Saint John from C$ 986

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Saint John departing on 19/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from London Heathrow Airport to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
1:25 p.m. - 10:49 a.m.
LHR
-
YSJ
24h 24m
2 stops
Air Canada Logo
4:15 p.m. - 7:10 a.m.
YSJ
-
LHR
11h 55m
1 stop
C$ 986Air Canada
Thu, 19 Mar - Thu, 26 Mar
Air Canada Logo
6:00 a.m. - 3:40 p.m.
LHR
-
YSJ
36h 40m
2 stops
Air Canada Logo
5:40 a.m. - 8:35 p.m.
YSJ
-
LHR
35h 55m
2 stops
C$ 1,004Air Canada
Thu, 19 Mar - Thu, 26 Mar
Air Canada Logo
1:25 p.m. - 3:35 p.m.
LHR
-
YSJ
29h 10m
1 stop
Air Canada Logo
5:40 a.m. - 8:35 p.m.
YSJ
-
LHR
35h 55m
2 stops
C$ 1,038Air Canada
Mon, 16 Mar - Thu, 26 Mar
Air Canada Logo
6:00 p.m. - 3:35 p.m.
LHR
-
YSJ
24h 35m
2 stops
Air Canada Logo
11:25 a.m. - 8:35 p.m.
YSJ
-
LHR
30h 10m
2 stops
C$ 1,049Air Canada
Mon, 16 Mar - Thu, 26 Mar
Air Canada Logo
6:00 a.m. - 11:52 p.m.
LHR
-
YSJ
21h 52m
2 stops
Air Canada Logo
4:30 p.m. - 9:35 a.m.
YSJ
-
LHR
13h 05m
1 stop
C$ 1,069Air Canada
Sat, 16 May - Sun, 24 May
Air Canada Logo
6:00 a.m. - 11:52 p.m.
LHR
-
YSJ
21h 52m
2 stops
Air Canada Logo
4:30 p.m. - 9:00 p.m.
YSJ
-
LHR
24h 30m
2 stops
C$ 1,071Air Canada
Sat, 16 May - Sun, 24 May
Air Canada Logo
6:00 a.m. - 11:52 p.m.
LHR
-
YSJ
21h 52m
2 stops
Air Canada Logo
4:30 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 30m
1 stop
C$ 1,075Air Canada
Sat, 16 May - Sun, 24 May
Air Canada Logo
6:00 a.m. - 11:52 p.m.
LHR
-
YSJ
21h 52m
2 stops
Air Canada Logo
4:30 p.m. - 9:00 p.m.
YSJ
-
LHR
24h 30m
2 stops
C$ 1,076Air Canada
Sat, 16 May - Sun, 24 May
Air Canada Logo
6:00 a.m. - 11:52 p.m.
LHR
-
YSJ
21h 52m
2 stops
Air Canada Logo
4:30 p.m. - 9:35 a.m.
YSJ
-
LHR
13h 05m
1 stop
C$ 1,082Air Canada
Sat, 16 May - Sun, 24 May
Air Canada Logo
1:25 p.m. - 3:40 p.m.
LHR
-
YSJ
29h 15m
1 stop
Air Canada Logo
4:15 p.m. - 7:10 a.m.
YSJ
-
LHR
11h 55m
1 stop
C$ 1,083Air Canada
Thu, 19 Mar - Thu, 26 Mar

Air Canada flights from London Heathrow Airport to Saint John

Our best Air Canada deals on London Heathrow Airport to Saint John flight tickets
Air Canada
19 Mar
LHR1:25 p.m.London Heathrow
24h 24m
2 stops
YSJ10:49 a.m.Saint John
26 Mar
YSJ4:15 p.m.Saint John
11h 55m
1 stop
LHR7:10 a.m.London Heathrow
C$ 986
Air Canada
19 Mar
LHR6:00 a.m.London Heathrow
36h 40m
2 stops
YSJ3:40 p.m.Saint John
26 Mar
YSJ5:40 a.m.Saint John
35h 55m
2 stops
LHR8:35 p.m.London Heathrow
C$ 1,004
Air Canada
16 Mar
LHR1:25 p.m.London Heathrow
29h 10m
1 stop
YSJ3:35 p.m.Saint John
26 Mar
YSJ5:40 a.m.Saint John
35h 55m
2 stops
LHR8:35 p.m.London Heathrow
C$ 1,038

United Airlines flights from London Heathrow Airport to Saint John

Our best United Airlines deals on London Heathrow Airport to Saint John flight tickets
United Airlines
19 Mar
LHR8:00 a.m.London Heathrow
18h 34m
3 stops
YSJ11:34 p.m.Saint John
26 Mar
YSJ4:15 p.m.Saint John
15h 50m
2 stops
LHR11:05 a.m.London Heathrow
C$ 1,772
United Airlines
4 Apr
LHR9:30 a.m.London Heathrow
18h 22m
2 stops
YSJ11:52 p.m.Saint John
11 Apr
YSJ11:55 a.m.Saint John
18h 45m
2 stops
LHR10:40 a.m.London Heathrow
C$ 1,791
United Airlines
5 Apr
LHR3:20 p.m.London Heathrow
23h 50m
2 stops
YSJ11:10 a.m.Saint John
12 Apr
YSJ5:35 a.m.Saint John
21h 10m
2 stops
LHR6:45 a.m.London Heathrow
C$ 1,876

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Saint John 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 20 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Thu 19/3

1:25 p.m.-10:49 a.m.

2 stops24h 24m

Saint John

Thu 26/3

4:15 p.m.-7:10 a.m.

1 stop11h 55m

C$ 986

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Thu 19/3

6:00 a.m.-3:40 p.m.

2 stops36h 40m

Saint John

Thu 26/3

5:40 a.m.-8:35 p.m.

2 stops35h 55m

C$ 1,004

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 16/3

1:25 p.m.-3:35 p.m.

1 stop29h 10m

Saint John

Thu 26/3

5:40 a.m.-8:35 p.m.

2 stops35h 55m

C$ 1,038

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 16/3

6:00 p.m.-3:35 p.m.

2 stops24h 35m

Saint John

Thu 26/3

11:25 a.m.-8:35 p.m.

2 stops30h 10m

C$ 1,049

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 16/5

6:00 a.m.-11:52 p.m.

2 stops21h 52m

Saint John

Sun 24/5

4:30 p.m.-9:35 a.m.

1 stop13h 05m

C$ 1,069

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 16/5

6:00 a.m.-11:52 p.m.

2 stops21h 52m

Saint John

Sun 24/5

4:30 p.m.-9:00 p.m.

2 stops24h 30m

C$ 1,071

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 16/5

6:00 a.m.-11:52 p.m.

2 stops21h 52m

Saint John

Sun 24/5

4:30 p.m.-10:00 a.m.

1 stop13h 30m

C$ 1,075

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 16/5

6:00 a.m.-11:52 p.m.

2 stops21h 52m

Saint John

Sun 24/5

4:30 p.m.-9:00 p.m.

2 stops24h 30m

C$ 1,076

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 16/5

6:00 a.m.-11:52 p.m.

2 stops21h 52m

Saint John

Sun 24/5

4:30 p.m.-9:35 a.m.

1 stop13h 05m

C$ 1,082

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Thu 19/3

1:25 p.m.-3:40 p.m.

1 stop29h 15m

Saint John

Thu 26/3

4:15 p.m.-7:10 a.m.

1 stop11h 55m

C$ 1,083

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from London Heathrow Airport to Saint John

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

Cheap London Heathrow Airport to Saint John (LHR to YSJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Saint John

Fastest flight time

21h 52m

Direct flights

None
The fastest flight from London Heathrow Airport to Saint John takes 21h 52m
There are no direct flights from London Heathrow Airport to Saint John. There are no popular flight routes from London Heathrow Airport to Saint John.
Search flight deals

  • How far is London Heathrow to Saint John by plane?

    London Heathrow and Saint John are 4726.9 km apart from one another. By plane, this route typically takes 21h 52m.

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

    Prices for flights from London Heathrow Airport to Saint John Airport were last updated today.

  • How old do you have to be to fly from London Heathrow Airport to Saint John 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 London Heathrow Airport to Saint John Airport.

  • What documentation or ID do you need to fly to Saint John Airport?

    The necessary travel and health documents for your Saint John Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from London Heathrow Airport to Saint John?

    Price Alerts will notify you by email when the price for flights to Saint John from London Heathrow Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from London Heathrow Airport to Saint John with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Saint John?

Book flights to Saint John if you plan to visit one of these locations
Sussex

Why use momondo?

Why should I use momondo to find a flight deal from London to Saint John?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Saint John. momondo saves you time and could save you money on your trip.

Can I find flights from London to Saint John with flexible booking policies on momondo?

Yes. All flights to Saint John from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Saint John?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Saint John.

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

Yes. momondo can track prices for London to Saint John flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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