$477 Cheap Swiss International Air Lines flights Boston (BOS) to Lisbon (LIS)

View $477 flight on Wed, Mar 11, 2026Opens in a new window

$477 Cheap Swiss International Air Lines flights Boston (BOS) to Lisbon (LIS)

Prices were available within the past 7 days and start at $477 for one-way flights and $778 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Wed, Mar 11 - Sun, Mar 22
BOS
Boston
LIS
Lisbon
$778 Roundtrip, found 1 day ago
$778
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, Mar 11 from Boston to Lisbon, returning Sun, Mar 22, priced at $778 found 1 day ago
Swiss International Air Lines
Wed, Mar 11 - Sun, Mar 22
BOS
Boston
LIS
Lisbon
$797 Roundtrip, found 1 day ago
$797
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, Mar 11 from Boston to Lisbon, returning Sun, Mar 22, priced at $797 found 1 day ago
Swiss International Air Lines
Wed, Mar 11 - Sun, Mar 22
BOS
Boston
LIS
Lisbon
$1,191 Roundtrip, found 1 day ago
$1,191
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, Mar 11 from Boston to Lisbon, returning Sun, Mar 22, priced at $1,191 found 1 day ago
Flights from Boston (BOS) to Lisbon (LIS)
Origin airport
Logan Intl.
Destination airport
Humberto Delgado
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, SATA International-Azores Airlines S.A., Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
Icelandair
Distance
5096 km
Average flight time
11 hours 28 mins