Prices are in Canadian Dollars.

Cheap flights from St John to Heathrow

Round-trip
Economy
Saint John (YSJ)
London (LHR)
Depart
Return
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How to find the cheapest flight from
St John (YSJ) to Heathrow (LHR)

What is the cheapest day to fly round-trip from St John to Heathrow?

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Heathrow. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from St John to Heathrow?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 52 days in advance, which can save you up to 22% on flights from St John to Heathrow compared to booking the week you need them. Waiting 52 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 766. For sooner than that we have options available in the next 3 days from C$ 874.

When is the cheapest time to fly from St John to Heathrow (YSJ - LHR)?

A simple way to save on the total cost of your ticket is to fly from St John to Heathrow in the morning. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the afternoon.

St John to Heathrow 2021 flight deals

13 May - 17 May
C$ 861pp
YSJ
Saint John
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
YSJ
Saint John
13 May - 17 May
C$ 875pp
YSJ
Saint John
Air Canada
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Air Canada
 
1 STOP
YSJ
Saint John
13 May - 17 May
C$ 1,111pp
YSJ
Saint John
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
2 STOPS
YSJ
Saint John

Related info for your journey

Flight FAQs

From St John to Heathrow

Can I find flights from St John to Heathrow for under C$ 890 on Cheapflights?

Yes, there are multiple flights from St John to Heathrow for under C$ 890. The cheapest flight booked recently is on Multiple Airlines for just C$ 861, but on average you can expect to pay C$ 1,487.

Which airlines flying from Saint John to London Heathrow have flexible changes due to COVID-19?

Air Canada is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Are there direct flights from St John to Heathrow for under C$ 890 on Cheapflights?

There are no direct flights from St John to Heathrow, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in St John or Heathrow?

In St John, there will be greater rainfall in St John compared to Heathrow over the next 19 days.

Is St John weather warmer or cooler than Heathrow?

Our data indicates that the weather will be 24 °C on average in the month of July. The temperature in Heathrow is typically the same as in St John. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from St John to Heathrow?

There are many flights that can get you from St John to Heathrow in 11h. Fly via Air Canada or United Airlines to get the fastest option. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to flying from St John to Heathrow round-trip?

Air Canada, at C$ 876, was found to be the cheapest airline from St John to Heathrow. An alternate airline flying to your destination would be United Airlines. Air Canada is currently priced 5% below the average price you’ll pay for this route.

Alternative routes for St John to Heathrow

Destination information for Heathrow

Today's exchange rate
C$ 1 = £0.58
Average temperature for January in Heathrow
9.0 °C
Avg rainfall for January in Heathrow
54.0 mm

Airports servicing Saint John

Airports servicing London

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