Helsinki (HEL) to Stockholm (STO): 247 miles (398 km) great-circle, about 1h 00m nonstop by our estimate. Cheapest fare observed: $178 round-trip on Norwegian Air, nonstop, departing May 1, 2026.
$178 round-trip, Norwegian Air D82614, departing 2026-05-01 at 15:40, returning 2026-05-03. The recorded itinerary left on a Friday, returning on a Sunday 2 nights later; the fare was observed 6 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $178, it ranked 5th of the 30 round-trip fares we recorded from HEL (median $288). That is 72.0 cents per great-circle mile (round-trip price over one-way distance), above the HEL median of 28.7 cents across 30 round-trip routes.
Routes from HEL of similar length: Riga (237 mi) at $136 and St. Petersburg (186 mi) at $563.
Norwegian Air had the cheapest fare on 9 of 30 HEL routes. It is the 28th longest of the 30 routes we track from HEL.
Of 6 departure airports with a fare to Stockholm, Helsinki (HEL) ranked 6th at $178. Lowest: $46 from Riga (RIX); highest: $178 from Helsinki (HEL); 4 nonstop. Cheapest-fare airlines (routes): Ryanair (2), Air Baltic (1), airline MW (1), Norwegian (1) and Norwegian Air (1).
That depends on your passport and trip, so check the official source for Sweden: 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/Helsinki, Europe/Stockholm; flight time is our estimate.