Stockholm (ARN) to Helsinki (HEL): 247 miles (398 km) great-circle, about 1h 00m nonstop by our estimate. Cheapest fare observed: $160 round-trip on Finnair, nonstop, departing May 2, 2026.
$160 round-trip, Finnair AY802, departing 2026-05-02 at 07:20, returning 2026-05-03. The recorded itinerary left on a Saturday, returning on a Sunday 1 night later; the fare was observed 7 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $160, it ranked 9th of the 30 round-trip fares we recorded from ARN (median $223). That is 64.7 cents per great-circle mile (round-trip price over one-way distance), above the ARN median of 21.0 cents across 30 round-trip routes.
Routes from ARN of similar length: Tallinn (242 mi) at $46 and Riga (289 mi) at $299.
ARN to HEL is the only one of 30 ARN routes where Finnair priced cheapest. It is the 29th longest of the 30 routes we track from ARN.
Of 2 departure airports with a fare to Helsinki, Stockholm (ARN) ranked 1st at $160. Lowest: $160 from Stockholm (ARN); highest: $172 from Dublin (DUB); 1 nonstop. Cheapest-fare airlines (routes): Finnair (1) and Ryanair (1).
The reverse, Helsinki (HEL) to Stockholm (STO), was $178 round-trip on Norwegian Air, nonstop, departing May 1, 2026. Helsinki to Stockholm flights.
That depends on your passport and trip, so check the official source for Finland: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Stockholm, Europe/Helsinki; flight time is our estimate.