Business class to Portugal in November 2026 showed the most routes below typical at 90 days out, with 4 of 8 reaching RARE. Altius monitored 8 nonstop routes from 6 gateways, and the deepest fare was $4,134 to Lisbon departing 2026-11-01. Coverage is partial: 23 of 30 departure dates observed.

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 2026-10-24.

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 2026-08-24.

Business class to Portugal in July 2026 showed the most routes below typical at 30 days out, with 1 of 9 reaching IMPRESSIVE. Altius monitored 9 nonstop routes from 6 gateways, and the deepest fare was $3,527 to Lisbon departing 2026-07-06.

Altius monitored 6 nonstop routes from 5 gateways to Portugal for June 2026 departures and recorded no fare below those routes' typical fares. Coverage is partial: 12 of 30 departure dates observed.