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Cheap Flights from Saint John (YSJ) to London (LOND)

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Flight deals from Saint John to London

Looking for a cheap last-minute deal or the best return flight from Saint John to London? Find the lowest prices on one-way and return tickets right here.
London.$1,298 per passenger.Departing Mon, 1 Dec, returning Sun, 14 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Saint John on Mon, 1 Dec, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Sun, 14 Dec, arriving in Saint John.Price includes taxes and charges.From $1,298, select.
London.$1,331 per passenger.Departing Wed, 25 Mar, returning Wed, 8 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Saint John on Wed, 25 Mar, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Wed, 8 Apr, arriving in Saint John.Price includes taxes and charges.From $1,331, select.
London.$1,395 per passenger.Departing Wed, 10 Sep, returning Thu, 25 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Saint John on Wed, 10 Sep, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Thu, 25 Sep, arriving in Saint John.Price includes taxes and charges.From $1,395, select.
London.$1,429 per passenger.Departing Thu, 31 Jul, returning Sun, 10 Aug.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Saint John on Thu, 31 Jul, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Sun, 10 Aug, arriving in Saint John.Price includes taxes and charges.From $1,429, select.
London.$1,449 per passenger.Departing Wed, 4 Jun, returning Wed, 11 Jun.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Saint John on Wed, 4 Jun, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Wed, 11 Jun, arriving in Saint John.Price includes taxes and charges.From $1,449, select.

Find the cheapest month to fly from Saint John to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Saint John to London flights are currently cheapest in December.
Jun
from $1,449
Jul
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Aug
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Sep
from $1,395
Oct
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Nov
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Dec
from $1,298
Jan
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Feb
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Mar
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Apr
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May
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Alternative Saint John to London routes

Looking for the cheapest, fastest or easiest route from Saint John to London? You could fly into the following airports instead.

Saint John to London: Flight information

The things to know before you go.
Cheapest flight found$1,298
Cheapest month to flyDecember

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

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Saint John to London is $1,298. 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 Saint John to London. But we found flights with one or more stops from $1,298.
As of June 2025, there are no flights flying from Saint John to London.
The cheapest month to fly from Saint John to London is usually June 2025.
If you're flying from Saint John Airport, the cheapest airport near London is London Heathrow – which is 22.9 km away from the centre of London. We've found flights into this airport from $1,298.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Saint John Airport to London on Monday, 1 December 2025.
No airlines currently offer direct flights between Saint John Airport and London. 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 London 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 15°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, Air Canada offers the cheapest flight tickets to London.

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

  • London is three hours ahead of Saint John, where Saint John Airport is located. London follows the UTC+0 timezone.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to board your YSJ to London flight.

  • Heading off during a peak time like school or public holidays? Expect longer lines at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

  • Located around 14 kilometres from the centre of Saint John, YSJ can be reached in about 20 minutes by car (depending on traffic). Travelling on public transport will take roughly 55 minutes.

  • Want a leisurely start to your holiday? Stay near YSJ. Whether you've booked an early flight from Saint John Airport to London or want to avoid feeling rushed, these hotels have you covered:

  • 77.05% of flights departing from Saint John Airport reach their destination on time.

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

  • The best price we've seen for a one-way Saint John Airport to London flight is $787. The cheapest price for a return flight is $1,298. Bear in mind fares may change due to demand at the time of booking.

  • To find cheap flights from YSJ to London, book in advance. Airlines typically offer lower fares when flights first go on sale.

  • Scoring cheap tickets from Saint John Airport to London is easier if you're flexible with your travel dates. Try using the 'Whole month' search function to access the lowest fares across each month and score a sweet deal.

  • Spend less time searching for cheap flights from YSJ to London by creating a Price Alert. You'll receive an email or notification on the app when a special offer becomes available.

  • Save money on your flight from Saint John Airport to London with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) is around 31 kilometres from the centre of London. If you're getting a cab or a ride-share, the drive will take roughly 55 minutes.

  • It typically takes 1 hour if you're travelling on public transport.

  • Look into staying at a hotel close to LHR if you have a late flight from Saint John Airport to London. Settle into one of these options and make your first night all about catching up on rest:

  • Begin your adventure by picking up a London Heathrow Airport rental car. Grab a set of wheels from Surprice, U-Save or Green Motion and experience the lesser-explored corners of London and beyond.

  • Lock in the best rate by reserving your vehicle from London Heathrow Airport around one week before your flight from YSJ to London.

London Gatwick Airport (LGW)

  • After your flight from Saint John Airport to London has touched down, you can reach the city centre in about 1 hour 20 minutes by car. Central London is roughly 80 kilometres from London Gatwick Airport (LGW).

  • You can expect the journey to take roughly 30 minutes on public transport.

  • You'll find some comfortable places ready to welcome you near LGW. Settle in and get cosy after your YSJ to London flight at any of these well-located options:

  • The fastest way to reach your destination is with a London Gatwick Airport rental car. Pick up a set of wheels from Green Motion, U-Save or Drivalia and hit the road in a heartbeat.

  • Secure your first choice, not your last resort. Booking your ride from LGW three weeks in advance often means better deals and a wider selection of vehicles.

Stansted Airport (STN)

  • Hop off your flight from Saint John Airport to London and go straight to your hotel or jump right into exploring. The centre of London is around 64 kilometres from Stansted Airport (STN) and typically takes 1 hour to reach driving.

  • Public transport will get you there in about 1 hour 25 minutes.

  • Reserve a hotel near STN and go from the runway to resting in a snap. Whether you're arriving on a late YSJ to London flight or just want to simplify your travel plans, these stays offer a quick route to a good night's sleep:

  • Whether you'd like a budget-friendly compact for solo travel or a full-size SUV to fit the whole crew comfortably, you'll find the right Stansted Airport rental car for your needs. Browse the range of wheels available from suppliers such as Green Motion, Drivalia and Europcar.

  • Get a payoff by planning ahead. Book your vehicle from STN four weeks before your flight from Saint John Airport to London for the most affordable rates.

Best time to go to London

  • Carefully consider your dates before locking in your flight from Saint John Airport to London. The city comes alive in peak season, but hotel rates are often higher and major attractions can be crowded. Plan your trip to London in low season if you want a more relaxed vibe.

  • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your Saint John Airport to London flight ticket then if you enjoy this type of weather.

  • Look for cheap tickets from YSJ to London in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

More about London

  • Start your London trip right by choosing the perfect place to stay. Once you've booked your flight from Saint John Airport to London, check out our selection of hotels including:

  • The British Museum and Big Ben are just two of the top attractions to put on your London travel itinerary. Continue your sightseeing adventures at Buckingham Palace.

Explore more of United Kingdom

  • You've done London, now it's time to explore other parts of United Kingdom. Journey around 161 kilometres north-west to Birmingham to tick off its popular sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, you'll have a full itinerary ahead.

  • Around 177 kilometres west of London, Bristol is another essential stop in United Kingdom. Experience major highlights starting with Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Saint John to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.