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Cheap flights from London Heathrow Airport to Saint John from C$ 995

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 21/8. 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
1 adult, Economy, 0 bags

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
9:30 a.m. - 4:00 p.m.
LHR
-
YSJ
10h 30m
1 stop
Air Canada Logo
4:40 p.m. - 6:30 a.m.
YSJ
-
LHR
9h 50m
1 stop
C$ 995Air Canada
Fri, 21 Aug - Fri, 28 Aug
Multiple Airlines Logo
12:40 p.m. - 1:25 a.m.
LHR
-
YSJ
16h 45m
2 stops
Multiple Airlines Logo
4:40 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 20m
1 stop
C$ 1,012Multiple Airlines
Fri, 21 Aug - Fri, 28 Aug
Multiple Airlines Logo
12:40 p.m. - 1:25 a.m.
LHR
-
YSJ
16h 45m
2 stops
Multiple Airlines Logo
4:40 p.m. - 11:50 a.m.
YSJ
-
LHR
15h 10m
2 stops
C$ 1,023Multiple Airlines
Fri, 21 Aug - Fri, 28 Aug
Air Canada Logo
2:10 p.m. - 11:51 p.m.
LHR
-
YSJ
13h 41m
1 stop
Air Canada Logo
4:40 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 20m
1 stop
C$ 1,063Air Canada
Mon, 14 Sep - Mon, 21 Sep
Air Canada Logo
6:50 a.m. - 11:51 p.m.
LHR
-
YSJ
21h 01m
2 stops
Air Canada Logo
4:40 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 20m
1 stop
C$ 1,074Air Canada
Mon, 14 Sep - Mon, 21 Sep
Air Canada Logo
6:50 a.m. - 11:51 p.m.
LHR
-
YSJ
21h 01m
2 stops
Air Canada Logo
12:50 p.m. - 10:00 a.m.
YSJ
-
LHR
17h 10m
2 stops
C$ 1,085Air Canada
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
8:50 a.m. - 3:59 p.m.
LHR
-
YSJ
35h 09m
3 stops
Multiple Airlines Logo
10:45 a.m. - 9:05 a.m.
YSJ
-
LHR
18h 20m
2 stops
C$ 1,122Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
United Airlines Logo
4:40 p.m. - 4:00 p.m.
LHR
-
YSJ
27h 20m
2 stops
United Airlines Logo
4:40 p.m. - 8:40 p.m.
YSJ
-
LHR
24h 00m
2 stops
C$ 1,370United Airlines
Sun, 23 Aug - Sun, 30 Aug
Multiple Airlines Logo
6:00 a.m. - 11:24 p.m.
LHR
-
YSJ
20h 24m
2 stops
Multiple Airlines Logo
11:05 a.m. - 10:40 p.m.
YSJ
-
LHR
32h 35m
3 stops
C$ 1,831Multiple Airlines
Mon, 26 Oct - Fri, 30 Oct
Multiple Airlines Logo
6:00 a.m. - 11:24 p.m.
LHR
-
YSJ
20h 24m
2 stops
Multiple Airlines Logo
6:00 p.m. - 9:35 p.m.
YSJ
-
LHR
24h 35m
2 stops
C$ 1,835Multiple Airlines
Mon, 26 Oct - Fri, 30 Oct

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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
21 Aug
LHR9:30 a.m.London Heathrow
10h 30m
1 stop
YSJ4:00 p.m.Saint John
28 Aug
YSJ4:40 p.m.Saint John
9h 50m
1 stop
LHR6:30 a.m.London Heathrow
C$ 995
Air Canada
14 Sep
LHR2:10 p.m.London Heathrow
13h 41m
1 stop
YSJ11:51 p.m.Saint John
21 Sep
YSJ4:40 p.m.Saint John
13h 20m
1 stop
LHR10:00 a.m.London Heathrow
C$ 1,063
Air Canada
14 Sep
LHR6:50 a.m.London Heathrow
21h 01m
2 stops
YSJ11:51 p.m.Saint John
21 Sep
YSJ4:40 p.m.Saint John
13h 20m
1 stop
LHR10:00 a.m.London Heathrow
C$ 1,074

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
23 Aug
LHR4:40 p.m.London Heathrow
27h 20m
2 stops
YSJ4:00 p.m.Saint John
30 Aug
YSJ4:40 p.m.Saint John
24h 00m
2 stops
LHR8:40 p.m.London Heathrow
C$ 1,370
United Airlines
23 Jul
LHR6:00 p.m.London Heathrow
25h 45m
2 stops
YSJ3:45 p.m.Saint John
26 Jul
YSJ4:40 p.m.Saint John
24h 00m
2 stops
LHR8:40 p.m.London Heathrow
C$ 2,018

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 9 July 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

Cheapest round-trip
Quickest round-trip

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 21/8

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

1 stop10h 30m

Saint John

Fri 28/8

4:40 p.m.-6:30 a.m.

1 stop9h 50m

C$ 995

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 21/8

12:40 p.m.-1:25 a.m.

2 stops16h 45m

Saint John

Fri 28/8

4:40 p.m.-10:00 a.m.

1 stop13h 20m

C$ 1,012

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 21/8

12:40 p.m.-1:25 a.m.

2 stops16h 45m

Saint John

Fri 28/8

4:40 p.m.-11:50 a.m.

2 stops15h 10m

C$ 1,023

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 14/9

2:10 p.m.-11:51 p.m.

1 stop13h 41m

Saint John

Mon 21/9

4:40 p.m.-10:00 a.m.

1 stop13h 20m

C$ 1,063

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 14/9

6:50 a.m.-11:51 p.m.

2 stops21h 01m

Saint John

Mon 21/9

4:40 p.m.-10:00 a.m.

1 stop13h 20m

C$ 1,074

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 14/9

6:50 a.m.-11:51 p.m.

2 stops21h 01m

Saint John

Mon 21/9

12:50 p.m.-10:00 a.m.

2 stops17h 10m

C$ 1,085

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 14/9

8:50 a.m.-3:59 p.m.

3 stops35h 09m

Saint John

Mon 21/9

10:45 a.m.-9:05 a.m.

2 stops18h 20m

C$ 1,122

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sun 23/8

4:40 p.m.-4:00 p.m.

2 stops27h 20m

Saint John

Sun 30/8

4:40 p.m.-8:40 p.m.

2 stops24h 00m

C$ 1,370

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 26/10

6:00 a.m.-11:24 p.m.

2 stops20h 24m

Saint John

Fri 30/10

11:05 a.m.-10:40 p.m.

3 stops32h 35m

C$ 1,831

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 26/10

6:00 a.m.-11:24 p.m.

2 stops20h 24m

Saint John

Fri 30/10

6:00 p.m.-9:35 p.m.

2 stops24h 35m

C$ 1,835

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint John from

How to get the cheapest flight ticket from London Heathrow Airport to Saint John

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 cheapest month to fly to Saint John?

If you don’t want to visit Saint John in June, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of C$ 0.

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

34h 30m

Direct flights

None
The fastest flight from London Heathrow Airport to Saint John takes 34h 30m
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

Frequently asked questions about flying from London Heathrow Airport to Saint John

  • 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 34h 30m.

  • 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.

Travelling to a place near Saint John?

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

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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