Flights Portland — Boston is a popular route. The straight-line distance is 4 077 km. Flight time 5h 18m. Time difference +3h.
The minimum price for the next 3 months — from $336 (15.11.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $336, ranging from $336 to $336. Book 1–3 months in advance to get the best deals.