Lisbon (LIS) to Belgrade (BEG): 1,563 miles (2,516 km) great-circle, about 3h 40m nonstop by our estimate. Cheapest fare observed: $280 round-trip on Ryanair, with 1 stop, departing May 2, 2026.
$280 round-trip, Ryanair FR9748, departing 2026-05-02 at 15:50, returning 2026-05-09. The recorded itinerary left on a Saturday, returning on a Saturday 7 nights later; the fare was observed 7 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $280, it ranked 18th of the 30 round-trip fares we recorded from LIS (median $251). That is 17.9 cents per great-circle mile (round-trip price over one-way distance), close to the LIS median of 18.5 cents across 30 round-trip routes.
Routes from LIS of similar length: Budapest (1,541 mi) at $139 and Warsaw (1,708 mi) at $389.
Ryanair had the cheapest fare on 7 of 30 LIS routes. It is the 15th longest of the 30 routes we track from LIS.
Of 36 departure airports with a fare to Belgrade, Lisbon (LIS) ranked 27th at $280. Lowest: $80 from Rome (FCO); highest: $1665 from Buenos Aires (EZE); 11 nonstop. Cheapest-fare airlines (routes): easyJet (6), Wizz Air (6), Vueling (4), Ryanair (3), Wizz Air Malta (3) and Air Serbia (2), plus 10 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Lisbon, Europe/Belgrade; flight time is our estimate.