Cheap Flights from Boston to Lisbon

View €254 flight on Sun, 17 Aug 2025Opens in a new window

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Cheap flights from Boston to Lisbon (BOS-LIS)

Prices were available within the past 7 days and start at €254 for one-way flights and €405 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 1 Dec - Tue, 9 Dec
BOS
Boston
LIS
Lisbon
€405 Return, found 5 days ago
€405
Return
found 5 days ago
Select British Airways flight, departing Mon, 1 Dec from Boston to Lisbon, returning Tue, 9 Dec, priced at €405 found 5 days ago
Delta
Mon, 1 Dec - Tue, 9 Dec
BOS
Boston
LIS
Lisbon
€407 Return, found 5 days ago
€407
Return
found 5 days ago
Select Delta flight, departing Mon, 1 Dec from Boston to Lisbon, returning Tue, 9 Dec, priced at €407 found 5 days ago
Virgin Atlantic
Mon, 1 Dec - Tue, 9 Dec
BOS
Boston
LIS
Lisbon
€407 Return, found 5 days ago
€407
Return
found 5 days ago
Select Virgin Atlantic flight, departing Mon, 1 Dec from Boston to Lisbon, returning Tue, 9 Dec, priced at €407 found 5 days ago
British Airways
Mon, 1 Dec - Tue, 9 Dec
BOS
Boston
LIS
Lisbon
€411 Return, found 5 days ago
€411
Return
found 5 days ago
Select British Airways flight, departing Mon, 1 Dec from Boston to Lisbon, returning Tue, 9 Dec, priced at €411 found 5 days ago
American Airlines
Mon, 1 Dec - Tue, 9 Dec
BOS
Boston
LIS
Lisbon
€411 Return, found 5 days ago
€411
Return
found 5 days ago
Select American Airlines flight, departing Mon, 1 Dec from Boston to Lisbon, returning Tue, 9 Dec, priced at €411 found 5 days ago
Aer Lingus
Mon, 1 Dec - Tue, 9 Dec
BOS
Boston
LIS
Lisbon
€416 Return, found 5 days ago
€416
Return
found 5 days ago
Select Aer Lingus flight, departing Mon, 1 Dec from Boston to Lisbon, returning Tue, 9 Dec, priced at €416 found 5 days ago

Find the cheapest month to fly from Boston (BOS) to Lisbon (LIS)

November is typically the cheapest month to fly

From €292 - €619 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.