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 June 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$ 619 Cheap Flights from Saint John to London in 2026

Discover deals from 900+ travel sites with momondo.

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.

5:40 a.m. - 11:50 a.m.

YSJ

LHR

26h 10m

1 stop

11:05 a.m. - 3:59 p.m.

LHR

YSJ

32h 54m

2 stops

C$ 1,144Air Canada

Fri, 9 Oct - Sun, 11 Oct

4:40 p.m. - 11:50 a.m.

YSJ

LHR

15h 10m

2 stops

11:05 a.m. - 3:59 p.m.

LHR

YSJ

32h 54m

2 stops

C$ 1,149Air Canada

Fri, 9 Oct - Sun, 11 Oct

10:45 a.m. - 5:55 p.m.

YSJ

LGW

27h 10m

2 stops

9:30 p.m. - 1:25 a.m.

LGW

YSJ

31h 55m

2 stops

C$ 1,156Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

6:00 p.m. - 9:20 p.m.

YSJ

LHR

48h 20m

2 stops

7:40 a.m. - 10:25 a.m.

LHR

YSJ

54h 45m

2 stops

C$ 1,157United Airlines

Sat, 31 Oct - Wed, 11 Nov

6:00 p.m. - 9:10 a.m.

YSJ

LHR

36h 10m

2 stops

12:05 p.m. - 10:25 a.m.

LHR

YSJ

26h 20m

2 stops

C$ 1,160United Airlines

Sat, 31 Oct - Tue, 10 Nov

6:00 p.m. - 9:10 a.m.

YSJ

LHR

36h 10m

2 stops

7:40 a.m. - 11:24 p.m.

LHR

YSJ

19h 44m

2 stops

C$ 1,163United Airlines

Sat, 31 Oct - Thu, 12 Nov

6:00 p.m. - 9:10 a.m.

YSJ

LHR

36h 10m

2 stops

10:25 a.m. - 11:24 p.m.

LHR

YSJ

16h 59m

2 stops

C$ 1,167United Airlines

Sat, 31 Oct - Thu, 12 Nov

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

YSJ

LGW

17h 10m

1 stop

9:30 p.m. - 10:00 a.m.

LGW

YSJ

40h 30m

2 stops

C$ 1,258Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

6:00 p.m. - 11:20 a.m.

YSJ

LHR

14h 20m

1 stop

9:00 a.m. - 11:24 p.m.

LHR

YSJ

18h 24m

2 stops

C$ 1,298Multiple Airlines

Sat, 31 Oct - Wed, 11 Nov

11:05 a.m. - 9:00 p.m.

YSJ

LHR

29h 55m

2 stops

7:25 p.m. - 10:25 a.m.

LHR

YSJ

43h 00m

2 stops

C$ 1,312Air Canada

Wed, 25 Nov - Sun, 29 Nov

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Air Canada flights from Saint John to London

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

Air Canada

25 Nov

YSJ11:05 a.m.Saint John

29h 55m

2 stops

LHR9:00 p.m.London Heathrow

29 Nov

LHR7:25 p.m.London Heathrow

43h 00m

2 stops

YSJ10:25 a.m.Saint John

C$ 1,312

Air Canada

25 Nov

YSJ11:05 a.m.Saint John

29h 55m

2 stops

LHR9:00 p.m.London Heathrow

29 Nov

LHR7:25 p.m.London Heathrow

43h 00m

2 stops

YSJ10:25 a.m.Saint John

C$ 1,313

Air Canada

31 Oct

YSJ6:00 p.m.Saint John

14h 20m

1 stop

LHR11:20 a.m.London Heathrow

10 Nov

LHR9:00 a.m.London Heathrow

18h 24m

2 stops

YSJ11:24 p.m.Saint John

C$ 1,320

United Airlines flights from Saint John to London

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

United Airlines

31 Oct

YSJ6:00 p.m.Saint John

48h 20m

2 stops

LHR9:20 p.m.London Heathrow

11 Nov

LHR7:40 a.m.London Heathrow

54h 45m

2 stops

YSJ10:25 a.m.Saint John

C$ 1,157

United Airlines

31 Oct

YSJ6:00 p.m.Saint John

36h 10m

2 stops

LHR9:10 a.m.London Heathrow

10 Nov

LHR12:05 p.m.London Heathrow

26h 20m

2 stops

YSJ10:25 a.m.Saint John

C$ 1,160

United Airlines

31 Oct

YSJ6:00 p.m.Saint John

36h 10m

2 stops

LHR9:10 a.m.London Heathrow

12 Nov

LHR7:40 a.m.London Heathrow

19h 44m

2 stops

YSJ11:24 p.m.Saint John

C$ 1,163

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 9/10

5:40 a.m.-11:50 a.m.

1 stop26h 10m

London Heathrow

Sun 11/10

11:05 a.m.-3:59 p.m.

2 stops32h 54m

C$ 1,144

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 9/10

4:40 p.m.-11:50 a.m.

2 stops15h 10m

London Heathrow

Sun 11/10

11:05 a.m.-3:59 p.m.

2 stops32h 54m

C$ 1,149

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Mon 10/8

10:45 a.m.-5:55 p.m.

2 stops27h 10m

London Gatwick

Mon 17/8

9:30 p.m.-1:25 a.m.

2 stops31h 55m

C$ 1,156

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 31/10

6:00 p.m.-9:20 p.m.

2 stops48h 20m

London Heathrow

Wed 11/11

7:40 a.m.-10:25 a.m.

2 stops54h 45m

C$ 1,157

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 31/10

6:00 p.m.-9:10 a.m.

2 stops36h 10m

London Heathrow

Tue 10/11

12:05 p.m.-10:25 a.m.

2 stops26h 20m

C$ 1,160

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 31/10

6:00 p.m.-9:10 a.m.

2 stops36h 10m

London Heathrow

Thu 12/11

7:40 a.m.-11:24 p.m.

2 stops19h 44m

C$ 1,163

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 31/10

6:00 p.m.-9:10 a.m.

2 stops36h 10m

London Heathrow

Thu 12/11

10:25 a.m.-11:24 p.m.

2 stops16h 59m

C$ 1,167

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Mon 10/8

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

1 stop17h 10m

London Gatwick

Mon 17/8

9:30 p.m.-10:00 a.m.

2 stops40h 30m

C$ 1,258

Quickest round-trip

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 31/10

6:00 p.m.-11:20 a.m.

1 stop14h 20m

London Heathrow

Wed 11/11

9:00 a.m.-11:24 p.m.

2 stops18h 24m

C$ 1,298

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Wed 25/11

11:05 a.m.-9:00 p.m.

2 stops29h 55m

London Heathrow

Sun 29/11

7:25 p.m.-10:25 a.m.

2 stops43h 00m

C$ 1,312

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	17h 10m
Direct flights	None

The fastest flight from Saint John to London takes 17h 10m

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

Search flight deals

Frequently asked questions about flying from Saint John to London

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 17h 10m.
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 June 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$ 1,215	Free Cancellation	Rating 7.1 11,275 reviews		Search Air Canada flights

Hounslow

Milton Keynes

Wembley

Slough

Gatwick

Ramsgate

Staines-upon-Thames

Wokingham

Crawley

Croydon

Hayes

Feltham

Richmond

Chelmsford

Waterlooville

Basingstoke

Woking

Enfield

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.

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Cheap flights from Saint John to London from C$ 619

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to London departing on 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Saint John to London

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

United Airlines flights from Saint John to London

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

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

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

When to book flights from Saint John to London

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

Direct flights

Frequently asked questions about flying from Saint John to London

Best airlines flying from Saint John to London

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

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London

Fly your favourite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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