Business class to Portugal in January 2027 showed the most routes below typical at 90 days out, with 1 of 7 reaching IMPRESSIVE. Altius monitored 7 nonstop routes from 6 gateways, and the deepest fare was $4,134 to Lisbon departing 2027-01-07. Coverage is partial: 7 of 31 departure dates observed.

Business class to Portugal in December 2026 showed the most routes below typical at 90 days out, with 5 of 7 reaching RARE. Altius monitored 7 nonstop routes from 6 gateways, and the deepest fare was $3,299 to Lisbon departing 2026-12-07.

Business class to Portugal in November 2026 showed the most routes below typical at 60 days out, with 6 of 8 reaching RARE. Altius monitored 8 nonstop routes from 6 gateways, and the deepest fare was $3,299 to Lisbon departing 2026-11-04.

Business class to Portugal in October 2026 showed the most routes below typical at 60 days out, with 3 of 9 reaching RARE. Altius monitored 9 nonstop routes from 6 gateways, and the deepest fare was $4,134 to Lisbon departing 2026-10-11.

Business class to Portugal in September 2026 showed the most routes below typical at 60 days out, with 3 of 9 reaching RARE. Altius monitored 9 nonstop routes from 6 gateways, and the deepest fare was $4,533 to Lisbon departing 2026-09-29.

Business class to Portugal in August 2026 showed the most routes below typical at 30 days out, with 3 of 9 reaching RARE. Altius monitored 9 nonstop routes from 6 gateways, and the deepest fare was $4,433 to Lisbon departing 2026-08-27.