Cheap flights from London Heathrow Airport to Saint John
Cheap flight deals from Heathrow to St John
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to St John (YSJ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 Juni 2025.
Popular in | August |
|---|---|
Cheapest in | April |
Average price | £535 |
Best time to book a flight from Heathrow to St John
Have a flexible travel schedule? Discover the best time to fly to St John from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Saint John
What is the cheapest time of day to fly from LHR to YSJ?
Find hourly flight availability from Heathrow to St John. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 Juni 2025.
A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Saint John in the morning. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight at midday.
Rainfall in St John by month
Plan your trip to St John by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Saint John ranges from 82.0 - 134.0 inches per month. November is typically the wettest month, when rainfall can reach 134.0 mm. August is typically the driest time to visit Saint John when rainfall is around 82.0 mm.
Temperature in St John by month
Plan your trip to St John by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Saint John, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -8.0 C).
Related info for your journey
Find useful and relevant information for your journey from Heathrow to St John. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Heathrow to St John
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Heathrow to St John
Discover the top airline that operate flights from Heathrow to St John. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 Juni 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Heathrow to St John?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to St John. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to St John?
Cheapflights helps you find that perfect flight to St John from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Heathrow to St John with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to St John, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Heathrow to St John become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!