Cheap flights from London to Saint John

from as little as £589

7 nights in Saint John, departing London Heathrow on 12 / Sep / 2025 with Lufthansa (price found 47 hours ago)

Subject to availability, prices correct of the last 24 hours
Saint John

The London / Saint John route

All 4749 km of it

Cheap flight deals for this route

See what's hot at the moment

No deals available at this time.

Saint John flight facts

What you need to know

Alternative flights from the UK to Saint John

Check out prices for other routes
search for price
Find flights
from £724 pp
Find flights
search for price
Find flights
search for price
Find flights
search for price
Find flights
from £589 pp
Find flights

Alternative flights from London to Saint John

You might find cheaper flights nearby
from £350 pp
Find flights
from £336 pp
Find flights
from £356 pp
Find flights
from £337 pp
Find flights
from £404 pp
Find flights
from £364 pp
Find flights
Saint John

12 / Sep / 2025 is currently the lowest priced day of the year to fly the London/Saint John route. There are around 20 flights on any given week from the UK to Saint John and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

-13 °C

AVG

5 °C

HIGHEST

23 °C

Rainfall (mm)
LOWEST

81.7 mm

AVG

108 mm

HIGHEST

134.1 mm

Key facts about Saint John

How to get cheap flights from London to Saint John

Tips and advice from our flight experts

Find a good deal on your flight from London to Saint John with Netflights. 20 flights go via this route every week, and we've collected them all to help you find the best flight deal. If you want to keep your options open, take a look at flights from another airport in London.

The most popular airlines for this route are Air Canada & Lufthansa, while London Heathrow (LHR) is the most popular departure airport in the city. But when you fly is just as important as where you fly from. Search by month to find out when flights are at the priciest and their cheapest.

Last-minute deals can be cheaper, but it's risky. It's best to book flights to Saint John in advance to avoid disappointment. Lufthansa usually have the lowest prices, so keep an eye out for their flights. Flights from London to Saint John generally take about 11 hrs 50 mins.

Did you know you can also compare car hire and hotel prices in Canada with Netflights? Take a look to get an idea of prices in Saint John.

Other popular destinations near Saint John

Where other people are flying to

Context Id: 7e0d1e4a-4c60-419f-8ca1-d8ebfc08a51a