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 January 2026.

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$ 699 Cheap Flights from Saint John to London in 2026

1 adult

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Find the cheapest flights from Saint John to London

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

YSJ

LHR

10h 55m1 stop

1:45 p.m. - 11:29 p.m.

LHR

YSJ

37h 44m2 stops

C$ 1,066Air Canada

Fri, 23 Jan - Tue, 27 Jan

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

YSJ

LHR

13h 05m2 stops

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

LHR

YSJ

12h 50m2 stops

C$ 1,067Air Canada

Fri, 23 Jan - Tue, 27 Jan

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

YSJ

LHR

13h 05m2 stops

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

LHR

YSJ

12h 50m2 stops

C$ 1,068Air Canada

Fri, 23 Jan - Tue, 27 Jan

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

YSJ

LHR

10h 55m1 stop

1:45 p.m. - 1:40 p.m.

LHR

YSJ

51h 55m2 stops

C$ 1,078Air Canada

Wed, 18 Feb - Thu, 26 Feb

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

YSJ

LHR

10h 55m1 stop

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

LHR

YSJ

30h 15m1 stop

C$ 1,080Air Canada

Fri, 23 Jan - Tue, 27 Jan

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

YSJ

LHR

10h 55m1 stop

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

LHR

YSJ

30h 15m1 stop

C$ 1,082Air Canada

Fri, 23 Jan - Tue, 27 Jan

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

YSJ

LHR

10h 55m1 stop

1:00 p.m. - 11:29 p.m.

LHR

YSJ

14h 29m1 stop

C$ 1,084Air Canada

Sat, 21 Feb - Sat, 28 Feb

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

YSJ

LHR

13h 05m2 stops

12:05 p.m. - 11:29 p.m.

LHR

YSJ

39h 24m2 stops

C$ 1,085Air Canada

Fri, 23 Jan - Tue, 27 Jan

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

YSJ

LGW

19h 55m2 stops

6:25 a.m. - 10:49 a.m.

LGW

YSJ

32h 24m2 stops

C$ 1,878Multiple Airlines

Wed, 18 Feb - Thu, 26 Feb

12:00 p.m. - 9:45 a.m.

YSJ

LGW

17h 45m2 stops

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

LGW

YSJ

15h 49m1 stop

C$ 1,898Multiple Airlines

Wed, 18 Feb - Thu, 26 Feb

Air Canada flights from Saint John to London

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

Air Canada

23 Jan

YSJ4:15 p.m.Saint John

10h 55m

1 stop

LHR7:10 a.m.London Heathrow

27 Jan

LHR1:45 p.m.London Heathrow

37h 44m

2 stops

YSJ11:29 p.m.Saint John

C$ 1,066

Air Canada

23 Jan

YSJ4:15 p.m.Saint John

13h 05m

2 stops

LHR9:20 a.m.London Heathrow

27 Jan

LHR6:50 a.m.London Heathrow

12h 50m

2 stops

YSJ3:40 p.m.Saint John

C$ 1,067

Air Canada

23 Jan

YSJ4:15 p.m.Saint John

13h 05m

2 stops

LHR9:20 a.m.London Heathrow

27 Jan

LHR6:50 a.m.London Heathrow

12h 50m

2 stops

YSJ3:40 p.m.Saint John

C$ 1,068

Fly from

Fly to

Route

Depart

Return

Price

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 23/1

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

1 stop10h 55m

London Heathrow

Tue 27/1

1:45 p.m.-11:29 p.m.

2 stops37h 44m

C$ 1,066

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 23/1

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

2 stops13h 05m

London Heathrow

Tue 27/1

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

2 stops12h 50m

C$ 1,067

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 23/1

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

2 stops13h 05m

London Heathrow

Tue 27/1

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

2 stops12h 50m

C$ 1,068

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Wed 18/2

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

1 stop10h 55m

London Heathrow

Thu 26/2

1:45 p.m.-1:40 p.m.

2 stops51h 55m

C$ 1,078

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 23/1

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

1 stop10h 55m

London Heathrow

Tue 27/1

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

1 stop30h 15m

C$ 1,080

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 23/1

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

1 stop10h 55m

London Heathrow

Tue 27/1

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

1 stop30h 15m

C$ 1,082

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 21/2

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

1 stop10h 55m

London Heathrow

Sat 28/2

1:00 p.m.-11:29 p.m.

1 stop14h 29m

C$ 1,084

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 23/1

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

2 stops13h 05m

London Heathrow

Tue 27/1

12:05 p.m.-11:29 p.m.

2 stops39h 24m

C$ 1,085

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Wed 18/2

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

2 stops19h 55m

London Gatwick

Thu 26/2

6:25 a.m.-10:49 a.m.

2 stops32h 24m

C$ 1,878

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Wed 18/2

12:00 p.m.-9:45 a.m.

2 stops17h 45m

London Gatwick

Thu 26/2

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

1 stop15h 49m

C$ 1,898

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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

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

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

Fastest flight time	13h 30m
Direct flights	None

The fastest flight from Saint John to London takes 13h 30m

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 30m.
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 January 2026.
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$ 1,154	Free Cancellation	Rating 7.1 10,603 reviews		Search Air Canada flights

Hounslow

Ipswich

Gatwick

Ilford

Chelmsford

Wokingham

Slough

Feltham

Hayes

Richmond

Uxbridge

Wembley

Waterlooville

Newport

Basingstoke

Milton Keynes

Dover

Worthing

Guildford

Maidstone

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.