Cheapest upcoming dates
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Airlines Flying This Route
AY
SK
Airports on this route
Flying from London
- LHR
Heathrow Airport
London
Best time to fly
Among the months with available fare data, November had the lowest observed fare, from $128.
Typical climate in Helsinki
Average daily highs and lows in Helsinki, and how often it rains.
Warmest month
Jun, around 22°C
Wettest month
Aug, about 14 rainy days
- Jan: average high -1°C, average low -7°C, 16 days of rain.
- Feb: average high 0°C, average low -6°C, 12 days of rain.
- Mar: average high 3°C, average low -5°C, 11 days of rain.
- Apr: average high 9°C, average low -1°C, 8 days of rain.
- May: average high 15°C, average low 5°C, 11 days of rain.
- Jun: average high 22°C, average low 11°C, 10 days of rain.
- Jul: average high 22°C, average low 13°C, 15 days of rain.
- Aug: average high 21°C, average low 12°C, 14 days of rain.
- Sep: average high 16°C, average low 8°C, 12 days of rain.
- Oct: average high 9°C, average low 4°C, 15 days of rain.
- Nov: average high 4°C, average low 0°C, 14 days of rain.
- Dec: average high 0°C, average low -5°C, 16 days of rain.
More for your trip
Everything else your trip needs, compared in one place.
More routes from London
The return route
Tips for Cheaper Flights
Book Early
For flights from London to Helsinki, booking 2-3 months in advance typically offers the best prices.
Fly Mid-Week
Tuesday to Thursday flights are often cheaper than weekend departures on this route.
Compare All Options
Tripzle compares prices from 2 airlines so you always find the best deal.
Be Flexible
Shifting your dates by a day or two can save significantly on London to Helsinki flights.
Frequently Asked Questions
A typical flight from London to Helsinki takes about 2h 50m.
Yes, direct flights are available from London to Helsinki, taking approximately 2h 50m.
2 airlines operate this route, including AY, SK.
Among the months with available fare data, November had the lowest observed fares from London to Helsinki.