How do I get Price Alerts for flights from Saint John to London?

Price Alerts will notify you by email when the price for flights to London from Saint John decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Saint John to London with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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$ 462 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$ 1,146Air Canada

Fri, 9 Oct - Sun, 11 Oct

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$ 1,148Air 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$ 1,151Air 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$ 1,152Air 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$ 1,155Air Canada

Fri, 9 Oct - Sun, 11 Oct

4:40 p.m. - 9:25 p.m.

YSJ

LHR

24h 45m

2 stops

9:30 a.m. - 3:59 p.m.

LHR

YSJ

34h 29m

2 stops

C$ 1,163United Airlines

Thu, 17 Sep - Sat, 3 Oct

4:40 p.m. - 9:25 p.m.

YSJ

LHR

24h 45m

2 stops

9:30 a.m. - 3:59 p.m.

LHR

YSJ

10h 29m

1 stop

C$ 1,289Austrian Airlines

Thu, 17 Sep - Sat, 3 Oct

10:45 a.m. - 6:55 p.m.

YSJ

LGW

28h 10m

2 stops

10:45 a.m. - 10:00 a.m.

LGW

YSJ

27h 15m

2 stops

C$ 1,296Multiple Airlines

Fri, 11 Sep - Sun, 27 Sep

4:40 p.m. - 9:25 p.m.

YSJ

LHR

24h 45m

2 stops

9:30 a.m. - 3:59 p.m.

LHR

YSJ

10h 29m

1 stop

C$ 1,301Lufthansa

Thu, 17 Sep - Sat, 3 Oct

5:00 a.m. - 9:35 a.m.

YSJ

LHR

24h 35m

1 stop

9:30 a.m. - 3:59 p.m.

LHR

YSJ

10h 29m

1 stop

C$ 1,321Multiple Airlines

Thu, 17 Sep - Sat, 3 Oct

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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

9 Oct

YSJ5:40 a.m.Saint John

26h 10m

1 stop

LHR11:50 a.m.London Heathrow

11 Oct

LHR11:05 a.m.London Heathrow

32h 54m

2 stops

YSJ3:59 p.m.Saint John

C$ 1,146

Air Canada

9 Oct

YSJ5:40 a.m.Saint John

26h 10m

1 stop

LHR11:50 a.m.London Heathrow

11 Oct

LHR11:05 a.m.London Heathrow

32h 54m

2 stops

YSJ3:59 p.m.Saint John

C$ 1,148

Air Canada

9 Oct

YSJ4:40 p.m.Saint John

15h 10m

2 stops

LHR11:50 a.m.London Heathrow

11 Oct

LHR11:05 a.m.London Heathrow

32h 54m

2 stops

YSJ3:59 p.m.Saint John

C$ 1,151

Lufthansa flights from Saint John to London

Our best Lufthansa deals on Saint John to London flight tickets

Lufthansa

17 Sep

YSJ4:40 p.m.Saint John

24h 45m

2 stops

LHR9:25 p.m.London Heathrow

3 Oct

LHR9:30 a.m.London Heathrow

10h 29m

1 stop

YSJ3:59 p.m.Saint John

C$ 1,301

Lufthansa

20 Jul

YSJ4:40 p.m.Saint John

17h 15m

2 stops

LHR1:55 p.m.London Heathrow

27 Jul

LHR8:30 a.m.London Heathrow

19h 20m

1 stop

YSJ11:50 p.m.Saint John

C$ 6,691

Lufthansa

20 Jul

YSJ4:40 p.m.Saint John

16h 00m

2 stops

LHR12:40 p.m.London Heathrow

27 Jul

LHR9:30 a.m.London Heathrow

18h 20m

2 stops

YSJ11:50 p.m.Saint John

C$ 6,730

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$ 1,146

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$ 1,148

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$ 1,151

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$ 1,152

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$ 1,155

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Thu 17/9

4:40 p.m.-9:25 p.m.

2 stops24h 45m

London Heathrow

Sat 3/10

9:30 a.m.-3:59 p.m.

2 stops34h 29m

C$ 1,163

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Thu 17/9

4:40 p.m.-9:25 p.m.

2 stops24h 45m

London Heathrow

Sat 3/10

9:30 a.m.-3:59 p.m.

1 stop10h 29m

C$ 1,289

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 11/9

10:45 a.m.-6:55 p.m.

2 stops28h 10m

London Gatwick

Sun 27/9

10:45 a.m.-10:00 a.m.

2 stops27h 15m

C$ 1,296

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Thu 17/9

4:40 p.m.-9:25 p.m.

2 stops24h 45m

London Heathrow

Sat 3/10

9:30 a.m.-3:59 p.m.

1 stop10h 29m

C$ 1,301

Quickest round-trip

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Thu 17/9

5:00 a.m.-9:35 a.m.

1 stop24h 35m

London Heathrow

Sat 3/10

9:30 a.m.-3:59 p.m.

1 stop10h 29m

C$ 1,321

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 10m
Direct flights	None

The fastest flight from Saint John to London takes 13h 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 13h 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$ 1,213	Free Cancellation	Rating 7.1 11,244 reviews		Search Air Canada flights

Frequently asked questions about flying from Saint John to London

How do I get Price Alerts for flights from Saint John to London?
Price Alerts will notify you by email when the price for flights to London from Saint John decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Saint John to London with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Hounslow

Milton Keynes

Wembley

Slough

Gatwick

Ramsgate

Wokingham

Crawley

Hayes

Feltham

Richmond

Chelmsford

Waterlooville

Basingstoke

Woking

Enfield

Dover

Worthing

Ipswich

Luton

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$ 462

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 5/8. 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

Lufthansa flights from Saint John to London

Our best Lufthansa deals on Saint John to London flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Saint John to London that are best for you.

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

Frequently asked questions about flying from Saint John to London

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

Cabin classes currently available on flights to London

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

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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