Sofia (SOF) to Vienna (VIE): 500 miles (804 km) great-circle, about 1h 30m nonstop by our estimate. Cheapest fare observed: $106 round-trip on Ryanair, nonstop, departing June 22, 2026.
$106 round-trip, Ryanair FR183, departing 2026-06-22 at 06:30, returning 2026-06-26. The recorded itinerary left on a Monday, returning on a Friday 4 nights later; the fare was observed 58 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $106, it ranked 9th of the 30 round-trip fares we recorded from SOF (median $161). That is 21.2 cents per great-circle mile (round-trip price over one-way distance), close to the SOF median of 21.2 cents across 30 round-trip routes.
Routes from SOF of similar length: Antalya (560 mi) at $238 and Rome (574 mi) at $60.
Ryanair had the cheapest fare on 3 of 30 SOF routes. It is the 23rd longest of the 30 routes we track from SOF.
Of 19 departure airports with a fare to Vienna, Sofia (SOF) ranked 5th at $106. Lowest: $52 from Venice (VCE); highest: $839 from Tampa (TPA); 13 nonstop. Cheapest-fare airlines (routes): Ryanair (10), airline WX (2), Air France (1), Air Serbia (1), Austrian (1) and Frontier (1), plus 3 more.
That depends on your passport and trip, so check the official source for Austria: 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/Sofia, Europe/Vienna; flight time is our estimate.