C$338 Cheap Flights from London (YXU) to Saint John (YSJ)

Compare London to Saint John flight deals

Find the cheapest month or even day of the year to fly to Saint John

Book the best Saint John fare with no extra fees

Find the cheapest month to fly from London to Saint John

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Saint John flights are currently cheapest in September.

London to Saint John: Alternative routes

Compare routes from London to Saint John below. You may find an airport to fly into that's cheaper, faster, or easier than Saint John.

London to Saint John: Flight information

The things to know before you go.
Cheapest flight foundC$338
Cheapest month to flySeptember

Finding cheap flights from London to Saint John: Frequently asked questions

The best price we found for a return flight from London to Saint John is C$754. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London to Saint John. But we found flights with one or more stops from C$754.
As of August 2026, there are no flights flying from London to Saint John.
The cheapest month to fly from London to Saint John is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Airport to Saint John Airport on Sunday, January 10, 2027.
No airlines currently offer direct flights between London Airport and Saint John Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Saint John but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Saint John is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Air Canada offers the cheapest flight tickets to Saint John.

Flying from London International Airport (YXU) to Saint John Airport (YSJ): what you need to know

  • You'll likely experience bigger queues in popular months such as August and other peak periods. Arriving up to fours hours ahead of an international flight and two hours for domestic departures is a smart move.

  • When flying within Canada, you don't need a passport or visa. However, you'll have to bring some form of identity document, like a driver's license or ID card. As soon as you've found your cheap ticket from YXU to YSJ, check your ID is valid before you jet off.

How to find the cheapest flights from London International Airport (YXU) to Saint John Airport (YSJ)

  • The best price we've found for a one-way ticket from London International Airport to Saint John Airport is C$338. The cheapest price for a return flight is C$754. Keep in mind that fares can change due to availability when booking.

  • It's usually best to book early if you're looking for cheap flight tickets from YXU to YSJ. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • If you're flexible with your travel dates, try using the 'Whole month' tool. It'll show you the cheapest price across every month when searching for your ticket from London International Airport to Saint John Airport.

  • Log into your online account or use the app to create a Price Alert. We'll let you know right away if there's a better deal on this route. It's easy to do, and it'll save you the hassle of checking for cheap flight tickets from YXU to YSJ every day.

  • Use filters to tailor your flights from London International Airport to Saint John Airport. Enter your ideal departure and arrival times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to find the best deals.

Handy information about London International Airport (YXU)

  • The journey from central London to London International Airport takes approximately 53 minutes on public transport. If you drive, ride-share or take a cab, you'll cover the 11 kilometres in 19 minutes or so, depending on traffic.

  • Need a handy hotel close to YXU? If you've booked an early flight from London International Airport to Saint John Airport, these accommodation options will put you moments from check-in:

Arriving at Saint John Airport (YSJ)

Getting from Saint John Airport (YSJ) to central Saint John

  • Saint John Airport to the center of Saint John is about 21 minutes by car. It's approximately 24 kilometres away. Find out what options are available, such as car rentals, cabs or ride-sharing services.

  • If you're taking public transport, expect a journey time of about 57 minutes.

When to fly to Saint John Airport (YSJ)

  • August is the most popular month for flights from London International Airport to Saint John Airport. To skip the crowds, visit Saint John in February.

  • When booking your flight from London International Airport to Saint John Airport, think about the kind of weather you like. August is the warmest month in Saint John, with the temperature ranging from 13ºC to 23ºC.

  • January has average temperatures of between -12ºC and 1ºC. Search for cheap flight tickets from YXU to YSJ sometime then if you'd rather travel in cooler conditions.

More about Saint John

Complete your Saint John trip with hotels and a car rental

  • Once you've secured your cheap ticket to Saint John Airport, check out our low prices and exclusive offers on hotels. You can also compare a range of car rental companies in one place to find the best car rental price for your Saint John escape.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.