Cheapest return flights from Boston to Lisbon in December from $376

Best time to book flights for Boston (BOS) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Lisbon (LIS) in December 2024 (see full year).

Return flights

01 Dec - 06 Dec Fly Play
01 Dec - 09 Dec Fly Play
31 Dec - 15 Jan LEVEL
28 Dec - 15 Jan LEVEL
05 Dec - 11 Dec LEVEL
04 Dec - 10 Dec Aer Lingus
06 Dec - 12 Dec Aer Lingus
31 Dec - 20 Jan LEVEL
04 Dec - 09 Dec SWISS
04 Dec - 12 Dec Aer Lingus
05 Dec - 25 Dec LEVEL
03 Dec - 12 Dec LEVEL
30 Dec - 13 Jan Fly Play
31 Dec - 16 Jan LEVEL
31 Dec - 21 Jan LEVEL
05 Dec - 10 Dec LEVEL
28 Dec - 16 Jan LEVEL
31 Dec - 13 Jan LEVEL
28 Dec - 13 Jan LEVEL
31 Dec - 17 Jan LEVEL

Also check the deals for one-way flights from Boston to Lisbon in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon