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 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$ 844 Cheap Flights from Saint John to London in 2026

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

Prices are currently typical for flights on this route. Typical prices usually range from C$ 1,062 to C$ 1,151. The lowest price recently found on this route was C$ 1,095.

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. - 6:30 a.m.

YSJ

LHR

34h 15m

2 stops

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

LHR

YSJ

12h 50m

2 stops

C$ 1,095Air Canada

Fri, 27 Feb - Fri, 6 Mar

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

YSJ

LHR

11h 55m

1 stop

10:50 a.m. - 11:10 a.m.

LHR

YSJ

28h 20m

2 stops

C$ 1,100Multiple Airlines

Fri, 27 Mar - Thu, 9 Apr

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

YSJ

LHR

16h 05m

2 stops

10:50 a.m. - 11:10 a.m.

LHR

YSJ

28h 20m

2 stops

C$ 1,111Multiple Airlines

Fri, 27 Mar - Thu, 9 Apr

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

YSJ

LHR

11h 55m

1 stop

2:05 p.m. - 11:10 a.m.

LHR

YSJ

25h 05m

1 stop

C$ 1,116Air Canada

Fri, 27 Mar - Thu, 9 Apr

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

YSJ

LHR

34h 15m

2 stops

11:10 a.m. - 10:50 a.m.

LHR

YSJ

27h 40m

1 stop

C$ 1,123Air Canada

Fri, 27 Feb - Fri, 6 Mar

4:30 p.m. - 10:00 a.m.

YSJ

LHR

13h 30m

1 stop

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

LHR

YSJ

10h 20m

1 stop

C$ 1,158Air Canada

Wed, 3 Jun - Sun, 14 Jun

4:30 p.m. - 10:00 a.m.

YSJ

LHR

13h 30m

1 stop

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

LHR

YSJ

10h 20m

1 stop

C$ 1,168Air Canada

Sun, 24 May - Sun, 7 Jun

12:20 p.m. - 10:00 a.m.

YSJ

LHR

17h 40m

2 stops

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

LHR

YSJ

10h 20m

1 stop

C$ 1,169Air Canada

Wed, 3 Jun - Sun, 14 Jun

4:30 p.m. - 11:50 a.m.

YSJ

LHR

15h 20m

1 stop

5:40 p.m. - 3:50 p.m.

LHR

YSJ

26h 10m

2 stops

C$ 1,179Air Canada

Sun, 24 May - Sun, 7 Jun

4:30 p.m. - 11:50 a.m.

YSJ

LHR

15h 20m

2 stops

2:05 p.m. - 11:27 a.m.

LHR

YSJ

25h 22m

2 stops

C$ 1,180Air Canada

Wed, 3 Jun - Sun, 14 Jun

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

LHR6:50 a.m.London Heathrow

12h 50m

2 stops

YSJ3:40 p.m.Saint John

C$ 1,031

Air Canada

23 Jan

YSJ4:15 p.m.Saint John

10h 55m

1 stop

LHR7:10 a.m.London Heathrow

27 Jan

LHR1:25 p.m.London Heathrow

30h 15m

1 stop

YSJ3:40 p.m.Saint John

C$ 1,044

Air Canada

27 Feb

YSJ4:15 p.m.Saint John

34h 15m

2 stops

LHR6:30 a.m.London Heathrow

6 Mar

LHR6:50 a.m.London Heathrow

12h 50m

2 stops

YSJ3:40 p.m.Saint John

C$ 1,095

United Airlines flights from Saint John to London

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

United Airlines

28 Feb

YSJ2:15 p.m.Saint John

40h 35m

2 stops

LHR10:50 a.m.London Heathrow

7 Mar

LHR4:20 p.m.London Heathrow

50h 15m

2 stops

YSJ2:35 p.m.Saint John

C$ 2,067

United Airlines

3 Jun

YSJ4:30 p.m.Saint John

13h 55m

2 stops

LHR10:25 a.m.London Heathrow

14 Jun

LHR8:00 a.m.London Heathrow

31h 27m

2 stops

YSJ11:27 a.m.Saint John

C$ 4,892

Fly from

Fly to

Route

Depart

Return

Price

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 27/2

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

2 stops34h 15m

London Heathrow

Fri 6/3

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

2 stops12h 50m

C$ 1,095

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 27/3

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

1 stop11h 55m

London Heathrow

Thu 9/4

10:50 a.m.-11:10 a.m.

2 stops28h 20m

C$ 1,100

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 27/3

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

2 stops16h 05m

London Heathrow

Thu 9/4

10:50 a.m.-11:10 a.m.

2 stops28h 20m

C$ 1,111

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 27/3

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

1 stop11h 55m

London Heathrow

Thu 9/4

2:05 p.m.-11:10 a.m.

1 stop25h 05m

C$ 1,116

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 27/2

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

2 stops34h 15m

London Heathrow

Fri 6/3

11:10 a.m.-10:50 a.m.

1 stop27h 40m

C$ 1,123

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Wed 3/6

4:30 p.m.-10:00 a.m.

1 stop13h 30m

London Heathrow

Sun 14/6

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

1 stop10h 20m

C$ 1,158

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sun 24/5

4:30 p.m.-10:00 a.m.

1 stop13h 30m

London Heathrow

Sun 7/6

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

1 stop10h 20m

C$ 1,168

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Wed 3/6

12:20 p.m.-10:00 a.m.

2 stops17h 40m

London Heathrow

Sun 14/6

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

1 stop10h 20m

C$ 1,169

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sun 24/5

4:30 p.m.-11:50 a.m.

1 stop15h 20m

London Heathrow

Sun 7/6

5:40 p.m.-3:50 p.m.

2 stops26h 10m

C$ 1,179

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Wed 3/6

4:30 p.m.-11:50 a.m.

2 stops15h 20m

London Heathrow

Sun 14/6

2:05 p.m.-11:27 a.m.

2 stops25h 22m

C$ 1,180

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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?

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	11h 55m
Direct flights	None

The fastest flight from Saint John to London takes 11h 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 11h 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 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$ 1,159	Free Cancellation	Rating 7.1 10,622 reviews		Search Air Canada flights

Hounslow

Gatwick

Ilford

Chelmsford

Wokingham

Slough

Feltham

Hayes

Richmond

Uxbridge

Wembley

Waterlooville

Newport

Basingstoke

Milton Keynes

Dover

Worthing

Ipswich

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.