What is the cheapest airline that flies from London Heathrow to Saint John?

Air Canada is the most popular carrier operating from London Heathrow to Saint John

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.

C$ 679 Cheap Flights from London Heathrow Airport to Saint John in 2025/26

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Heathrow Airport to Saint John

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

LHR

YSJ

37h 40m2 stops

4:15 p.m. - 9:20 a.m.

YSJ

LHR

13h 05m1 stop

C$ 909Air Canada

mié., 18 feb. - dom., 22 feb.

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

LHR

YSJ

37h 40m2 stops

4:15 p.m. - 9:20 a.m.

YSJ

LHR

13h 05m1 stop

C$ 911Air Canada

mié., 18 feb. - dom., 22 feb.

6:50 a.m. - 3:40 p.m.

LHR

YSJ

12h 50m2 stops

4:15 p.m. - 6:30 a.m.

YSJ

LHR

34h 15m2 stops

C$ 925Air Canada

mié., 18 feb. - dom., 22 feb.

6:50 a.m. - 3:40 p.m.

LHR

YSJ

12h 50m2 stops

5:40 a.m. - 9:20 a.m.

YSJ

LHR

23h 40m2 stops

C$ 928Air Canada

mié., 18 feb. - dom., 22 feb.

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

LHR

YSJ

30h 15m1 stop

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

YSJ

LHR

10h 55m1 stop

C$ 957Air Canada

mié., 18 feb. - dom., 22 feb.

11:10 a.m. - 11:29 p.m.

LHR

YSJ

16h 19m1 stop

4:15 p.m. - 9:20 a.m.

YSJ

LHR

13h 05m1 stop

C$ 964Air Canada

mié., 18 feb. - dom., 22 feb.

9:00 a.m. - 11:29 p.m.

LHR

YSJ

42h 29m2 stops

11:55 a.m. - 10:00 a.m.

YSJ

LHR

18h 05m1 stop

C$ 1,530Air Canada

lun., 5 ene. - vie., 24 abr.

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

LHR

YSJ

30h 15m1 stop

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

YSJ

LHR

21h 00m1 stop

C$ 2,477Multiple Airlines

lun., 5 ene. - vie., 24 abr.

11:10 a.m. - 11:29 p.m.

LHR

YSJ

16h 19m1 stop

11:55 a.m. - 6:30 a.m.

YSJ

LHR

14h 35m1 stop

C$ 2,484Air Canada

lun., 5 ene. - vie., 24 abr.

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

18 Feb

LHR6:00 a.m.London Heathrow

37h 40m

2 stops

YSJ3:40 p.m.Saint John

22 Feb

YSJ4:15 p.m.Saint John

13h 05m

1 stop

LHR9:20 a.m.London Heathrow

C$ 909

Find similar

Air Canada

18 Feb

LHR6:00 a.m.London Heathrow

37h 40m

2 stops

YSJ3:40 p.m.Saint John

22 Feb

YSJ4:15 p.m.Saint John

13h 05m

1 stop

LHR9:20 a.m.London Heathrow

C$ 911

Find similar

Air Canada

18 Feb

LHR6:50 a.m.London Heathrow

12h 50m

2 stops

YSJ3:40 p.m.Saint John

22 Feb

YSJ4:15 p.m.Saint John

34h 15m

2 stops

LHR6:30 a.m.London Heathrow

C$ 925

Find similar

momondo Fare Finder

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

mié. 18/2

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

2 stops37h 40m

Saint John

dom. 22/2

4:15 p.m.-9:20 a.m.

1 stop13h 05m

C$ 909

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

mié. 18/2

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

2 stops37h 40m

Saint John

dom. 22/2

4:15 p.m.-9:20 a.m.

1 stop13h 05m

C$ 911

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

mié. 18/2

6:50 a.m.-3:40 p.m.

2 stops12h 50m

Saint John

dom. 22/2

4:15 p.m.-6:30 a.m.

2 stops34h 15m

C$ 925

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

mié. 18/2

6:50 a.m.-3:40 p.m.

2 stops12h 50m

Saint John

dom. 22/2

5:40 a.m.-9:20 a.m.

2 stops23h 40m

C$ 928

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

mié. 18/2

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

1 stop30h 15m

Saint John

dom. 22/2

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

1 stop10h 55m

C$ 957

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

mié. 18/2

11:10 a.m.-11:29 p.m.

1 stop16h 19m

Saint John

dom. 22/2

4:15 p.m.-9:20 a.m.

1 stop13h 05m

C$ 964

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

lun. 5/1

9:00 a.m.-11:29 p.m.

2 stops42h 29m

Saint John

vie. 24/4

11:55 a.m.-10:00 a.m.

1 stop18h 05m

C$ 1,530

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

lun. 5/1

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

1 stop30h 15m

Saint John

vie. 24/4

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

1 stop21h 00m

C$ 2,477

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

lun. 5/1

11:10 a.m.-11:29 p.m.

1 stop16h 19m

Saint John

vie. 24/4

11:55 a.m.-6:30 a.m.

1 stop14h 35m

C$ 2,484

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

lun. 18/5

7:50 p.m.-10:00 a.m.

2 stops42h 10m

C$ 679

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Saint John?

The cheapest day to depart from London Heathrow Airport to Saint John is on a Monday. Travellers who choose to depart for Saint John on a Monday will often find tickets for as low as C$ 1,079. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Saint John for around C$ 1,134.

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	30h 55m
Direct flights	None

The fastest flight from London Heathrow Airport to Saint John takes 30h 55m

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 30h 55m.
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.

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.