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Flying from Stockholm to Helsinki?

Add a departure date and see which side gets the sun.

About this route

StockholmHelsinki

A short flight from Sweden to Finland. Helsinki is 1 hour ahead. Remember to put your watch forward when you land.

Route type International
Distance 398 km / 247 mi
Distance class Short-haul
Direction Eastbound
Est. duration About 55m
Time change Destination +1h

Departing from

ARN

Stockholm-Arlanda Airport

Location Stockholm, Sweden
Time zone GMT+2 · UTC+2
Current time

The city built on fourteen islands

Stockholm is spread across fourteen islands where Lake Malaren meets the Baltic Sea, a city defined by water, bridges, and a well-preserved medieval old town, Gamla Stan. The Arlanda Express runs nonstop from the airport into Central Station in 18 minutes, one of Europe's quicker dedicated airport rail links. Summers bring long daylight, with nearly white nights in June, while winters are dark and cold with limited daylight by December. The city's metro, ferries, and extensive bike network make a car largely unnecessary within the urban core.

Surrounding hubs

712 km / 442 mi
853 km / 530 mi
385 km / 239 mi

Arriving at

HEL

Helsinki Vantaa Airport

Location Helsinki, Finland
Time zone GMT+3 · UTC+3
Current time

The Nordic gateway

Helsinki sits on a peninsula and archipelago at the edge of the Baltic, a small, clean, and orderly Nordic capital with a compact, walkable center. A direct rail line connects the airport to downtown in around thirty minutes, and trams and a small metro cover the rest of the city well. Winters are long, dark, and cold, with snow on the ground for months, while summers bring very long daylight hours in compensation. It sits far closer to Russia and the Baltic states than most Western European capitals, both geographically and historically.

Nearby airports

101 km / 63 mi

Surrounding hubs

892 km / 554 mi
938 km / 583 mi
382 km / 237 mi
How it works

Find out which side of the plane to sit on.

Pick your airports, set your departure time, and you're done.

We calculate the sun's position based on your flight path and departure time, then tell you which side of the plane gets direct sun and which stays shaded. No guessing, just math.

01

Enter your flight

Pick your departure and arrival airports and set your departure time at the departure airport. FlightSide estimates the duration and you can adjust it if you know the exact schedule.

02

We track the sun along your route

Your flight path is broken into hundreds of points. At each one we check where the sun is and which side of the plane it faces.

03

You get a recommendation

Which side of the plane to sit on, left or right, depending on whether you'd rather avoid the sun or enjoy it. The percentages and the map are there if you want to see why.

Want to go deeper? Accuracy, edge cases, polar routes — see the FAQ →

Latest journal

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Small updates, route observations, and clearer explanations for how the app keeps evolving.