Warsaw (WAW) to Sofia (SOF): 664 miles (1,069 km) great-circle, about 1h 50m nonstop by our estimate. Cheapest fare observed: $40 round-trip on Ryanair, nonstop, departing May 19, 2026.
$40 round-trip, Ryanair FR4035, departing 2026-05-19 at 12:45, returning 2026-05-21. The recorded itinerary left on a Tuesday, returning on a Thursday 2 nights later; the fare was observed 24 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $40, it ranked 2nd of the 30 round-trip fares we recorded from WAW (median $95). That is 6.0 cents per great-circle mile (round-trip price over one-way distance), below the WAW median of 8.8 cents across 30 round-trip routes.
Routes from WAW of similar length: Rimini (681 mi) at $60 and Amsterdam (684 mi) at $237.
Ryanair had the cheapest fare on 12 of 30 WAW routes. It is the 27th longest of the 30 routes we track from WAW.
Of 2 departure airports with a fare to Sofia, Warsaw (WAW) ranked 1st at $40. Lowest: $40 from Warsaw (WAW); highest: $157 from Tallinn (TLL); 1 nonstop. Cheapest-fare airlines (routes): Ryanair (1) and Wizz Air (1).
The reverse, Sofia (SOF) to Warsaw (WAW), was $64 round-trip on Wizz Air, nonstop, departing July 13, 2026. Sofia to Warsaw flights.
That depends on your passport and trip, so check the official source for Bulgaria: 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/Warsaw, Europe/Sofia; flight time is our estimate.