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

Air Canada and United Airlines are the most popular carriers operating from Saint John to London

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

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

How many operators does momondo search for flights from Saint John Airport to London?

There is 1 operator available for flights from Saint John Airport to London as of September 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Saint John Airport to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London 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 London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 696 Cheap Flights from Saint John to London in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from C$ 1,203 to C$ 1,261. The lowest price recently found on this route was C$ 1,024.

1 adult

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Find the cheapest flights from Saint John to London

Round-trip

One-way

Cheap round-trip flights

11:55 a.m. - 8:30 a.m.YSJ-LHR

16h 35m2 stops

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

18h 29m2 stops

C$ 1,024Air Canada

Find Deal

Fri, 20 Feb - Tue, 24 Feb

11:35 a.m. - 6:30 a.m.YSJ-LHR

14h 55m1 stop

1:25 p.m. - 11:15 a.m.LHR-YSJ

24h 50m1 stop

C$ 1,028Air Canada

Find Deal

Fri, 24 Oct - Wed, 29 Oct

5:55 a.m. - 6:30 a.m.YSJ-LHR

20h 35m2 stops

1:25 p.m. - 11:15 a.m.LHR-YSJ

24h 50m1 stop

C$ 1,037Air Canada

Find Deal

Fri, 24 Oct - Wed, 29 Oct

6:15 p.m. - 11:50 a.m.YSJ-LHR

13h 35m1 stop

1:25 p.m. - 11:15 a.m.LHR-YSJ

25h 50m1 stop

C$ 1,040Air Canada

Find Deal

Fri, 20 Feb - Tue, 24 Feb

11:35 a.m. - 10:40 a.m.YSJ-LHR

19h 05m2 stops

4:20 p.m. - 11:15 a.m.LHR-YSJ

21h 55m2 stops

C$ 1,050United Airlines

Find Deal

Wed, 22 Oct - Wed, 29 Oct

10:45 a.m. - 10:45 a.m.YSJ-LGW

20h 00m1 stop

11:40 a.m. - 3:45 p.m.LGW-YSJ

31h 05m2 stops

C$ 1,094Multiple Airlines

Find Deal

Fri, 24 Oct - Wed, 29 Oct

5:55 a.m. - 6:20 a.m.YSJ-LHR

20h 25m2 stops

7:40 a.m. - 11:29 p.m.LHR-YSJ

18h 49m2 stops

C$ 1,118United Airlines

Find Deal

Thu, 23 Oct - Tue, 28 Oct

12:00 p.m. - 9:25 a.m.YSJ-LGW

17h 25m1 stop

11:40 a.m. - 3:45 p.m.LGW-YSJ

31h 05m2 stops

C$ 1,841Multiple Airlines

Find Deal

Wed, 22 Oct - Wed, 29 Oct

11:55 a.m. - 9:10 a.m.YSJ-LGW

41h 15m2 stops

10:05 a.m. - 11:15 a.m.LGW-YSJ

53h 10m2 stops

C$ 2,741Turkish Airlines

Find Deal

Fri, 20 Feb - Tue, 24 Feb

11:35 a.m. - 10:10 a.m.YSJ-LGW

42h 35m2 stops

6:25 a.m. - 11:15 a.m.LGW-YSJ

31h 50m2 stops

C$ 2,796Turkish Airlines

Find Deal

Fri, 24 Oct - Wed, 29 Oct

Air Canada flights from Saint John to London

Our best Air Canada deals on Saint John to London flight tickets

Air Canada

20 Feb

YSJ11:55 a.m.Saint John

16h 35m

2 stops

LHR8:30 a.m.London Heathrow

24 Feb

LHR9:00 a.m.London Heathrow

18h 29m

2 stops

YSJ11:29 p.m.Saint John

C$ 1,024

Find similar

Air Canada

24 Oct

YSJ11:35 a.m.Saint John

14h 55m

1 stop

LHR6:30 a.m.London Heathrow

29 Oct

LHR1:25 p.m.London Heathrow

24h 50m

1 stop

YSJ11:15 a.m.Saint John

C$ 1,028

Find similar

Air Canada

24 Oct

YSJ5:55 a.m.Saint John

20h 35m

2 stops

LHR6:30 a.m.London Heathrow

29 Oct

LHR1:25 p.m.London Heathrow

24h 50m

1 stop

YSJ11:15 a.m.Saint John

C$ 1,037

Find similar

United Airlines flights from Saint John to London

Our best United Airlines deals on Saint John to London flight tickets

United Airlines

22 Oct

YSJ11:35 a.m.Saint John

19h 05m

2 stops

LHR10:40 a.m.London Heathrow

29 Oct

LHR4:20 p.m.London Heathrow

21h 55m

2 stops

YSJ11:15 a.m.Saint John

C$ 1,050

Find similar

United Airlines

23 Oct

YSJ5:55 a.m.Saint John

20h 25m

2 stops

LHR6:20 a.m.London Heathrow

28 Oct

LHR7:40 a.m.London Heathrow

18h 49m

2 stops

YSJ11:29 p.m.Saint John

C$ 1,118

Find similar

United Airlines

27 Sep

YSJ5:55 a.m.Saint John

24h 15m

2 stops

LHR10:10 a.m.London Heathrow

4 Oct

LHR12:15 p.m.London Heathrow

50h 34m

2 stops

YSJ10:49 a.m.Saint John

C$ 1,159

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 20/2

11:55 a.m.-8:30 a.m.

2 stops16h 35m

London Heathrow

Tue 24/2

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

2 stops18h 29m

C$ 1,024

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 24/10

11:35 a.m.-6:30 a.m.

1 stop14h 55m

London Heathrow

Wed 29/10

1:25 p.m.-11:15 a.m.

1 stop24h 50m

C$ 1,028

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 24/10

5:55 a.m.-6:30 a.m.

2 stops20h 35m

London Heathrow

Wed 29/10

1:25 p.m.-11:15 a.m.

1 stop24h 50m

C$ 1,037

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 20/2

6:15 p.m.-11:50 a.m.

1 stop13h 35m

London Heathrow

Tue 24/2

1:25 p.m.-11:15 a.m.

1 stop25h 50m

C$ 1,040

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Wed 22/10

11:35 a.m.-10:40 a.m.

2 stops19h 05m

London Heathrow

Wed 29/10

4:20 p.m.-11:15 a.m.

2 stops21h 55m

C$ 1,050

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 24/10

10:45 a.m.-10:45 a.m.

1 stop20h 00m

London Gatwick

Wed 29/10

11:40 a.m.-3:45 p.m.

2 stops31h 05m

C$ 1,094

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Thu 23/10

5:55 a.m.-6:20 a.m.

2 stops20h 25m

London Heathrow

Tue 28/10

7:40 a.m.-11:29 p.m.

2 stops18h 49m

C$ 1,118

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Wed 22/10

12:00 p.m.-9:25 a.m.

1 stop17h 25m

London Gatwick

Wed 29/10

11:40 a.m.-3:45 p.m.

2 stops31h 05m

C$ 1,841

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 20/2

11:55 a.m.-9:10 a.m.

2 stops41h 15m

London Gatwick

Tue 24/2

10:05 a.m.-11:15 a.m.

2 stops53h 10m

C$ 2,741

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 24/10

11:35 a.m.-10:10 a.m.

2 stops42h 35m

London Gatwick

Wed 29/10

6:25 a.m.-11:15 a.m.

2 stops31h 50m

C$ 2,796

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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

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 Saint John and London?

What is the cheapest day to depart on your flight to London?

According to our data, Monday is the cheapest day to fly to London from Saint John. The lowest ticket price found for a Monday departure recently was C$ 1,108. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Saint John to London for around C$ 1,347.

When to book flights from Saint John to London

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

Estimated round-trip price

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

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

Direct flights	None

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

Search flight deals

How far is Saint John to London by plane?
There are 4747.7 km between Saint John and London. By plane, this route typically takes 13h 35m.
When did momondo last update prices for flights from Saint John Airport to London?
Prices for flights from Saint John Airport to London were last updated today.
How many operators does momondo search for flights from Saint John Airport to London?
There is 1 operator available for flights from Saint John Airport to London as of September 2025.
How old do you have to be to fly from Saint John Airport to London?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Saint John Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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 London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Saint John to London?
Based on momondo bookings for flights between Saint John and London, the leading airline is Air Canada, making up 100% of the total bookings.

Best airlines flying from Saint John to London

Compare and see reviews for airlines that fly from Saint John to London with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 1,153	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights

Hounslow

Ipswich

Dartford

Gatwick

Ilford

Wembley

Maidstone

Chelmsford

Wokingham

Slough

Canterbury

Feltham

Hayes

Uxbridge

Waterlooville

Newport

Basingstoke

Milton Keynes

Dover

Worthing

Why use momondo?

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

It is quick and easy to find Saint John to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

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

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

Once you have performed a search for Saint John to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Saint John to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.