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 December 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$ 576 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$ 1,466 to C$ 1,670. The lowest price recently found on this route was C$ 1,284.

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.

4:30 p.m. - 8:35 a.m.

YSJ

LHR

36h 05m2 stops

6:00 a.m. - 3:50 p.m.

LHR

YSJ

37h 50m2 stops

C$ 1,284Air Canada

Fri, 5 Jun - Fri, 19 Jun

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

YSJ

LHR

10h 00m1 stop

9:30 a.m. - 3:50 p.m.

LHR

YSJ

10h 20m1 stop

C$ 1,307Air Canada

Fri, 5 Jun - Fri, 19 Jun

10:45 a.m. - 7:55 p.m.

YSJ

LGW

29h 10m2 stops

9:35 a.m. - 11:50 p.m.

LGW

YSJ

18h 15m2 stops

C$ 1,797Multiple Airlines

Fri, 5 Jun - Fri, 19 Jun

10:45 a.m. - 7:55 p.m.

YSJ

LGW

29h 10m2 stops

12:40 p.m. - 11:50 p.m.

LGW

YSJ

15h 10m1 stop

C$ 1,819Multiple Airlines

Fri, 5 Jun - Fri, 19 Jun

10:45 a.m. - 11:30 a.m.

YSJ

LGW

20h 45m3 stops

9:35 a.m. - 11:50 p.m.

LGW

YSJ

18h 15m2 stops

C$ 1,834Multiple Airlines

Fri, 5 Jun - Fri, 19 Jun

4:15 p.m. - 8:35 p.m.

YSJ

LHR

24h 20m2 stops

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

LHR

YSJ

12h 50m2 stops

C$ 2,084Air Canada

Mon, 16 Feb - Wed, 18 Feb

4:15 p.m. - 8:35 p.m.

YSJ

LHR

24h 20m2 stops

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

LHR

YSJ

18h 29m2 stops

C$ 2,085Air Canada

Mon, 16 Feb - Wed, 18 Feb

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

YSJ

LHR

10h 55m1 stop

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

LHR

YSJ

16h 19m1 stop

C$ 2,256Air Canada

Mon, 16 Feb - Wed, 18 Feb

Air Canada flights from Saint John to London

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

Air Canada

5 Jun

YSJ4:30 p.m.Saint John

36h 05m

2 stops

LHR8:35 a.m.London Heathrow

19 Jun

LHR6:00 a.m.London Heathrow

37h 50m

2 stops

YSJ3:50 p.m.Saint John

C$ 1,284

Find similar

Air Canada

5 Jun

YSJ4:30 p.m.Saint John

10h 00m

1 stop

LHR6:30 a.m.London Heathrow

19 Jun

LHR9:30 a.m.London Heathrow

10h 20m

1 stop

YSJ3:50 p.m.Saint John

C$ 1,307

Find similar

Air Canada

16 Feb

YSJ4:15 p.m.Saint John

24h 20m

2 stops

LHR8:35 p.m.London Heathrow

18 Feb

LHR6:50 a.m.London Heathrow

12h 50m

2 stops

YSJ3:40 p.m.Saint John

C$ 2,084

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 5/6

4:30 p.m.-8:35 a.m.

2 stops36h 05m

London Heathrow

Fri 19/6

6:00 a.m.-3:50 p.m.

2 stops37h 50m

C$ 1,284

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 5/6

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

1 stop10h 00m

London Heathrow

Fri 19/6

9:30 a.m.-3:50 p.m.

1 stop10h 20m

C$ 1,307

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 5/6

10:45 a.m.-7:55 p.m.

2 stops29h 10m

London Gatwick

Fri 19/6

9:35 a.m.-11:50 p.m.

2 stops18h 15m

C$ 1,797

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 5/6

10:45 a.m.-7:55 p.m.

2 stops29h 10m

London Gatwick

Fri 19/6

12:40 p.m.-11:50 p.m.

1 stop15h 10m

C$ 1,819

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 5/6

10:45 a.m.-11:30 a.m.

3 stops20h 45m

London Gatwick

Fri 19/6

9:35 a.m.-11:50 p.m.

2 stops18h 15m

C$ 1,834

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Mon 16/2

4:15 p.m.-8:35 p.m.

2 stops24h 20m

London Heathrow

Wed 18/2

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

2 stops12h 50m

C$ 2,084

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Mon 16/2

4:15 p.m.-8:35 p.m.

2 stops24h 20m

London Heathrow

Wed 18/2

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

2 stops18h 29m

C$ 2,085

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Mon 16/2

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

1 stop10h 55m

London Heathrow

Wed 18/2

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

1 stop16h 19m

C$ 2,256

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 24/1

5:40 a.m.-12:50 p.m.

3 stops27h 10m

C$ 576

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Sat 24/1

4:15 p.m.-3:20 p.m.

2 stops19h 05m

C$ 639

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 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$ 1,107. 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$ 1,345.

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	10h 55m
Direct flights	None

The fastest flight from Saint John to London takes 10h 55m

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 10h 55m.
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 December 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$ 1,151	Free Cancellation	Rating 7.1 10,516 reviews		Search Air Canada flights

Hounslow

Ipswich

Dartford

Gatwick

Ilford

Chelmsford

Wokingham

Slough

Feltham

Hayes

Uxbridge

Wembley

Waterlooville

Newport

Basingstoke

Milton Keynes

Dover

Worthing

Maidstone

Woking

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.