A group of people standing in front of the Saint John Jewish Historical Museum.

£459 Cheap Flights from London (LHR) to Saint John (YSJ)

View £459 flight on Thu, 22 Oct 2026Opens in a new window

Flight 1

Popular airlines from Heathrow Airport (LHR) to Saint John, NB (YSJ)

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

Prices were available within the past 7 days and start at £459 for one-way flights and £506 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Sat, 28 Nov - Sat, 2 Jan
LHR
London
YSJ
Saint John
£506 Return, found 22 hours ago
£506
Return
found 22 hours ago
Select Swiss International Air Lines flight, departing Sat, 28 Nov from London to Saint John, returning Sat, 2 Jan, priced at £506 found 22 hours ago
Austrian Airlines
Sat, 28 Nov - Sat, 2 Jan
LHR
London
YSJ
Saint John
£507 Return, found 22 hours ago
£507
Return
found 22 hours ago
Select Austrian Airlines flight, departing Sat, 28 Nov from London to Saint John, returning Sat, 2 Jan, priced at £507 found 22 hours ago
Lufthansa
Sat, 28 Nov - Sat, 2 Jan
LHR
London
YSJ
Saint John
£509 Return, found 22 hours ago
£509
Return
found 22 hours ago
Select Lufthansa flight, departing Sat, 28 Nov from London to Saint John, returning Sat, 2 Jan, priced at £509 found 22 hours ago
Austrian Airlines
Sat, 28 Nov - Sat, 2 Jan
LHR
London
YSJ
Saint John
£511 Return, found 22 hours ago
£511
Return
found 22 hours ago
Select Austrian Airlines flight, departing Sat, 28 Nov from London to Saint John, returning Sat, 2 Jan, priced at £511 found 22 hours ago
Lufthansa
Wed, 9 Sept - Wed, 30 Sept
LHR
London
YSJ
Saint John
£513 Return, found 4 days ago
£513
Return
found 4 days ago
Select Lufthansa flight, departing Wed, 9 Sept from London to Saint John, returning Wed, 30 Sept, priced at £513 found 4 days ago
Lufthansa
Thu, 27 Aug - Wed, 2 Sept
LHR
London
YSJ
Saint John
£513 Return, found 4 days ago
£513
Return
found 4 days ago
Select Lufthansa flight, departing Thu, 27 Aug from London to Saint John, returning Wed, 2 Sept, priced at £513 found 4 days ago
Air Canada
Thu, 17 Sept - Sat, 26 Sept
LHR
London
YSJ
Saint John
£515 Return, found 1 day ago
£515
Return
found 1 day ago
Select Air Canada flight, departing Thu, 17 Sept from London to Saint John, returning Sat, 26 Sept, priced at £515 found 1 day ago
Swiss International Air Lines
Thu, 27 Aug - Wed, 2 Sept
LHR
London
YSJ
Saint John
£516 Return, found 4 days ago
£516
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Thu, 27 Aug from London to Saint John, returning Wed, 2 Sept, priced at £516 found 4 days ago
Lufthansa
Sat, 28 Nov - Sat, 2 Jan
LHR
London
YSJ
Saint John
£517 Return, found 22 hours ago
£517
Return
found 22 hours ago
Select Lufthansa flight, departing Sat, 28 Nov from London to Saint John, returning Sat, 2 Jan, priced at £517 found 22 hours ago
United
Fri, 18 Sept - Sat, 26 Sept
LHR
London
YSJ
Saint John
£618 Return, found 6 days ago
£618
Return
found 6 days ago
Select United flight, departing Fri, 18 Sept from London to Saint John, returning Sat, 26 Sept, priced at £618 found 6 days ago

Alternative airports near Saint John

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Saint John, NB YSJ. Cheapest and Closest option available. Average driving time to city centre is 19 minutes. Flights from £628
YSJ
Saint John, NB
CheapestClosest
Average driving time to city centre19 min
Flights from £628

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Saint John, NB (YSJ) cost?
You can find one-way and return flights from LHR to YSJ with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to YSJ ticket fares go up or down.
What is the cheapest month to fly from London (LHR-Heathrow) to Saint John, NB (YSJ)?
The cheapest months to fly from LHR to YSJ are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LHR-Heathrow) to Saint John, NB (YSJ)?
Enter LHR to YSJ and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from London (LHR-Heathrow) to Saint John, NB (YSJ)?
To find a cheap flight from London (LHR-Heathrow) to Saint John, NB (YSJ), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from London (LHR-Heathrow) to Saint John, NB (YSJ)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LHR-Heathrow) to Saint John, NB (YSJ)?
There are approximately 35 connecting flights per day from London (LHR-Heathrow) to Saint John, NB (YSJ). Some common connection points include Liberty Intl. (EWR), Pearson Intl. (YYZ), and O'Hare Intl. (ORD).
What is the earliest flight from London (LHR-Heathrow) to Saint John, NB (YSJ)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from LHR to YSJ. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Saint John, NB (YSJ)?
You'll typically find the most flights from London Heathrow (LHR) to Saint John, NB (YSJ) on a Friday, with around 49 flights available. This gives you a good selection of options for your journey. Major airlines on this route include United, Air Canada, and Aer Lingus. Flight schedules are consistent throughout the week, so you'll have plenty of options regardless of your travel day.
What are the most popular departure times for flights from London (LHR-Heathrow) to Saint John, NB (YSJ)?
The most popular departure times for flights from London Heathrow (LHR) to Saint John, NB (YSJ) are in the morning, from 9am to 12pm. Many major carriers, including United, Air Canada and Lufthansa, offer flights during this window. Many travellers prefer these times as they allow for an early start to your journey, getting you to your destination with plenty of time left in the day.
How long does it take to fly from London (LHR-Heathrow) to Saint John, NB (YSJ)?
There are no nonstop flights from London (LHR-Heathrow) to Saint John, NB (YSJ). The shortest flights to Saint John, NB (YSJ) from London (LHR-Heathrow) are typically one-stop, taking around 15 hours 48 minutes. Flights with two or more stops usually take a bit longer, averaging about 18 hours 30 minutes. The distance covered on this route is approximately 4715 kilometres. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific routing, layover times, and even weather conditions.
Can you fly business or first class from London (LHR-Heathrow) to Saint John, NB (YSJ)?
Yes, you can fly business class between LHR and YSJ. Airlines that offer business class service on this route include:
  • Air France
  • Lufthansa
  • Turkish Airlines
  • Air Canada
  • Med View Airlines
  • KLM
  • Air Baltic
  • United
  • Virgin Atlantic
How do I earn miles on a London (LHR-Heathrow) to Saint John, NB (YSJ) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Saint John, NB (YSJ) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Saint John, NB (YSJ) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Saint John, NB (YSJ) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Saint John, NB (YSJ) flight and hotel package?
Securing a London (LHR-Heathrow) to Saint John, NB (YSJ) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Saint John, NB (YSJ)?
If you booked your London (LHR-Heathrow) to Saint John, NB (YSJ) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
Saint John
Airlines serving
Air Canada, United
Return price
£505
Distance
4687 km

Book with confidence

Compare flights from London to Saint John easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Saint John. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Saint John in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Saint John.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Saint John (YSJ)

The easiest way to view the best deals on flights from London to Saint John today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Saint John start at just £506 and range up to £827.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Saint John
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Saint John flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Saint John for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Saint John easily and book with confidence

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*Available to Expedia members.