LON - YSJ

Find Cheap Flights from London to Saint John – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

When to travel
February
Cheapest • 31% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Toronto Pearson Intl (YYZ)
Cheapest • Avg £731 (return)
Montreal Pierre Elliott Trudeau Intl (YUL)
Shortest trip • 11h 11m (one-way)
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Cheap Flights from London to Saint John (LON-YSJ)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Saint John

Multiple Airlines Logo
LON  London All airports-YSJ Saint John
2941 mimulti-stop
Multiple Airlines Logo
YSJ  Saint John-LON London All airports
2941 mimulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for London to Saint John flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London to Saint John with more confidence.

What is the cheapest London to Saint John flight route?

There's little price difference between London to Saint John routes. They average around £710 return, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from London to Saint John?

Tuesday is the cheapest day of the week to fly from London to Saint John and is 22% cheaper than the average day. Wednesday is the most expensive day with flight prices 21% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from London to Saint John?

•February is the cheapest month to fly from London to Saint John at £487 return.
•December (£895) and July (£878) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 83% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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Key details for London to Saint John flights

Low season

February
Best time to beat the crowds (31% less expensive on average)
Most popular time to fly and prices are also 14% lower on average.

When to book flights from London to Saint John

Are your dates flexible? Find out the best times to travel from London to Saint John based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London to Saint John flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from London to Saint John?

    Flights from London to Saint John may depart from several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Flights usually arrive at Saint John (YSJ).

  • Which cabin classes can I book on flights from London to Saint John?

    Only Economy class is available on flights from London to Saint John.

  • Which airports do connecting flights from London to Saint John pass through?

    Connecting flights from London to Saint John most commonly pass through:

    • Toronto Pearson Intl (YYZ) – 65% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) – 35% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from London to Saint John?

    Yes. Being flexible with your travel dates can save you up to 36% on the London to Saint John route. Tuesday is the cheapest departure day at £558 return on average, while Wednesday is the most expensive at £864, a difference of £306. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from London to Saint John?

    There are currently no direct flights available from London to Saint John. Flights with 1 stopover take between 11h 11m and 13h 20m in total, depending on the connection.

  • Do I need a passport to fly from London to Saint John?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much time can I save by choosing a different stopover airport from London to Saint John?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time of 11h 11m, compared to 13h 20m via Toronto Pearson Intl (YYZ).

  • What is the time difference between London and Saint John?

    Saint John is 4 hours behind London (Atlantic Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Saint John Airport (YSJ)?

    Saint John Airport (YSJ) hosts 5 major car hire companies, with daily rates starting from around £22 for economy cars. Top options include:
    • Budget
    • Alamo
    • Avis
    • Enterprise Rent-A-Car
    • National

  • How much should I expect to pay for a London to Saint John flight?

    Return flights from London to Saint John range from £570 to £864, with an average of £710 over the past 12 months. Anything below £570 counts as a good deal.

Your guide to booking London to Saint John flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Wednesday. On this route, Tuesday flights average £558 – about £306 less than Wednesday (35% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London to Saint John trip for February. Fares historically average £487 return in that month – typically £408 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from London to Saint John

Complete your trip to Saint John with a hotel stay or car hire

Car hire in Saint John
Hotels in Saint John
Holidays in Saint John