Question 1

What is the cheapest flight from Saint John to London Heathrow Airport?

Accepted Answer

In the last 3 days, the lowest price for a flight from Saint John to London Heathrow Airport was C$ 517 for a one-way ticket and C$ 741 for a round-trip. <a href='/flight-routes/Saint-John-YSJ/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 2

Which airports will I be using when flying from Saint John to London?

Accepted Answer

When flying out of Saint John you will be using Saint John. You will be landing at London, also known as London Heathrow. <a href='/flight-routes/Saint-John-YSJ/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 3

Which aircraft models fly most regularly from Saint John to London?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 4

Which airline alliances offer flights from Saint John to London?

Accepted Answer

Star Alliance is the only airline alliance operating flights between Saint John and London.

Question 5

How does KAYAK find such low prices on flights from Saint John to London?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Saint John to London. <a href='/flight-routes/Saint-John-YSJ/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 6

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Saint John to London?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Saint John is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Saint-John-YSJ/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 7

What is the Hacker Fare option on flights from Saint John to London?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Saint John with another airline. <a href='/flight-routes/Saint-John-YSJ/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 8

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Saint John to London?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Saint John up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Saint-John-YSJ/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 9

What is the cheapest layover airport when flying from Saint John to London?

Accepted Answer

Flights via Montreal (YUL) offer the most affordable fares, with an average round-trip price of C$ 1,169.

Question 10

What is the most popular layover airport when flying from Saint John to London?

Accepted Answer

Toronto (YYZ) is the top choice – 75% of KAYAK users who clicked on one-stop flights from Saint John to London picked an itinerary connecting there.

Question 11

Which layover airport has the quickest connection when flying from Saint John to London?

Accepted Answer

If you prefer a quick connection, Montreal (YUL) often has the shortest layovers from Saint John to London, with an average of 1h 39m.

Question 12

Which layover airport offers the shortest total travel time from Saint John to London?

Accepted Answer

Consider flying via Montreal (YUL) for the shortest journey. The average one-way travel time for flights connecting there is 10h 00m.

Question 13

Which airlines provide the cheapest flights from Saint John to London?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Saint John to London were found on Air Canada (C$ 1,024) and United Airlines (C$ 1,050).

Question 14

Which airlines provide the cheapest flights from Saint John to London?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Saint John to London were found on Air Canada (C$ 1,024) and United Airlines (C$ 1,050).

Low season	September
High season	February
Cheapest flight	C$ 714

YSJ - LHR

C$ 714 Find Cheap Flights from Saint John to London

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

Cheap Flights from Saint John to London (YSJ-LHR)

Recent round-trip flight deals from Saint John to Heathrow

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Everything you should know

KAYAK's insights & trends for Saint John to Heathrow flights

Get data-powered insights and trends into flights from Saint John to Heathrow to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Saint John to London?

In the past 3 days, the cheapest round-trip tickets from Saint John to London were found on Air Canada (C$ 1,024) and United Airlines (C$ 1,050).

What is the most popular layover airport when flying from Saint John to London?

Toronto (YYZ) is the top choice – 75% of KAYAK users who clicked on one-stop flights from Saint John to London picked an itinerary connecting there.

What is the cheapest layover airport when flying from Saint John to London?

Flights via Montreal (YUL) offer the most affordable fares, with an average round-trip price of C$ 1,169.

Which layover airport offers the shortest total travel time from Saint John to London?

Consider flying via Montreal (YUL) for the shortest journey. The average one-way travel time for flights connecting there is 10h 00m.

Which layover airport has the quickest connection when flying from Saint John to London?

If you prefer a quick connection, Montreal (YUL) often has the shortest layovers from Saint John to London, with an average of 1h 39m.

Good to know

When to book flights from Saint John to Heathrow

FAQs for booking Saint John to London flights

What is the cheapest flight from Saint John to London Heathrow Airport?

In the last 3 days, the lowest price for a flight from Saint John to London Heathrow Airport was C$ 517 for a one-way ticket and C$ 741 for a round-trip.

Which airports will I be using when flying from Saint John to London?

When flying out of Saint John you will be using Saint John. You will be landing at London, also known as London Heathrow.

Which aircraft models fly most regularly from Saint John to London?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Saint John to London?

Star Alliance is the only airline alliance operating flights between Saint John and London.

How does KAYAK find such low prices on flights from Saint John to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Saint John to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Saint John to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Saint John is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Saint John to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Saint John with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Saint John to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Saint John up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Saint John to Heathrow

Everything you need to know for your flight from Saint John to Heathrow

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Complete your trip to London with a hotel stay or car rental

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