Business class to Bulgaria was cheapest at 90 days out in November 2026, with 1 of 1 reaching RARE. Altius monitored 1 nonstop route from 1 gateway, and the deepest fare was $621 to Sofia departing 2026-11-09. Coverage is partial: 13 of 30 departure dates observed.

Business class to Bulgaria was cheapest at 60 days out in October 2026, with 1 of 1 reaching RARE. Altius monitored 1 nonstop route from 1 gateway, and the deepest fare was $804 to Sofia departing 2026-10-04. Coverage is partial: 22 of 31 departure dates observed.

Business class to Bulgaria was cheapest at 60 days out in September 2026, with 1 of 1 reaching LEGENDARY. Altius monitored 1 nonstop route from 1 gateway, and the deepest fare was $720 to Sofia departing 2026-09-23. Coverage is partial: 21 of 30 departure dates observed.

Business class to Bulgaria was cheapest at 30 days out in August 2026, with 1 of 1 reaching STRONG. Altius monitored 1 nonstop route from 1 gateway, and the deepest fare was $1,036 to Sofia departing 2026-08-16. Coverage is partial: 23 of 31 departure dates observed.

Altius monitored 1 nonstop route from 1 gateway to Bulgaria for July 2026 departures and recorded no fare below that route's typical. Coverage is partial: 17 of 31 departure dates observed.