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

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

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

Prices for flights from London to Saint John Airport refresh daily.

How old do you have to be to fly from London to Saint John Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Saint John Airport.

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

The travel and health documents required for your trip to Saint John Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint John Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Q: What is the typical price of a round-trip flight between London and Saint John?

Prices are currently low for flights on this route. Typical prices usually range from C$ 1,147 to C$ 1,511. The lowest price recently found on this route was C$ 909.

1 adult

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Find the cheapest flights from London 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

Wed, 18 Feb - Sun, 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

Wed, 18 Feb - Sun, 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

Wed, 18 Feb - Sun, 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

Wed, 18 Feb - Sun, 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

Wed, 18 Feb - Sun, 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

Wed, 18 Feb - Sun, 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

Mon, 5 Jan - Fri, 24 Apr

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

Mon, 5 Jan - Fri, 24 Apr

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

Mon, 5 Jan - Fri, 24 Apr

Air Canada flights from London to Saint John

Our best Air Canada deals on London 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

Fly from

Fly to

Route

Depart

Return

Price

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 18/2

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

2 stops37h 40m

Saint John

Sun 22/2

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

1 stop13h 05m

C$ 909

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 18/2

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

2 stops37h 40m

Saint John

Sun 22/2

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

1 stop13h 05m

C$ 911

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 18/2

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

2 stops12h 50m

Saint John

Sun 22/2

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

2 stops34h 15m

C$ 925

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 18/2

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

2 stops12h 50m

Saint John

Sun 22/2

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

2 stops23h 40m

C$ 928

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 18/2

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

1 stop30h 15m

Saint John

Sun 22/2

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

1 stop10h 55m

C$ 957

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 18/2

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

1 stop16h 19m

Saint John

Sun 22/2

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

1 stop13h 05m

C$ 964

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 5/1

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

2 stops42h 29m

Saint John

Fri 24/4

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

1 stop18h 05m

C$ 1,530

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 5/1

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

1 stop30h 15m

Saint John

Fri 24/4

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

1 stop21h 00m

C$ 2,477

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 5/1

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

1 stop16h 19m

Saint John

Fri 24/4

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

1 stop14h 35m

C$ 2,484

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 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 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 typical price of a round-trip flight between London and Saint John?

What is the cheapest month to fly to Saint John?

If you don’t want to visit Saint John in May, then you should wait until February to fly from London, when ticket prices are also cheap, with an average price of C$ 865.

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

The cheapest day to depart from London 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 to Saint John for around C$ 1,134.

When to book flights from London to Saint John

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

Estimated round-trip price

Cheap London to Saint John (LON to YSJ) flight deals and tips

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

Fastest flight time	30h 55m
Direct flights	None

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

There are no direct flights from London to Saint John. There are no popular flight routes from London to Saint John.

Search flight deals

How far is London to Saint John by plane?
Saint John is 4747.7 km away from London. By plane, this route typically takes 30h 55m.
When did momondo last update prices for flights from London to Saint John Airport?
Prices for flights from London to Saint John Airport refresh daily.
How old do you have to be to fly from London to Saint John Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Saint John Airport.
What documentation or ID do you need to fly to Saint John Airport?
The travel and health documents required for your trip to Saint John Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint John Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Saint John for you.

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 provides multiple filters to help you find the best flight to Saint John from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.