$483 Cheap United flights Boston (BOS) to Lisbon (LIS)

View $483 flight on Thu, Jul 24, 2025Opens in a new window

$483 Cheap United flights Boston (BOS) to Lisbon (LIS)

Prices were available within the past 7 days and start at $483 for one-way flights and $661 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Thu, Jul 24 - Fri, Aug 1
BOS
Boston
LIS
Lisbon
$661
Roundtrip
Found 20 hours ago
Select United flight, departing Thu, Jul 24 from Boston to Lisbon, returning Fri, Aug 1, priced at $661 Found 20 hours ago
United
Thu, Jul 10 - Tue, Jul 15
BOS
Boston
LIS
Lisbon
$666
Roundtrip
Found 10 hours ago
Select United flight, departing Thu, Jul 10 from Boston to Lisbon, returning Tue, Jul 15, priced at $666 Found 10 hours ago
United
Thu, Jan 1 - Tue, Feb 3
BOS
Boston
LIS
Lisbon
$667
Roundtrip
Found 5 days ago
Select United flight, departing Thu, Jan 1 from Boston to Lisbon, returning Tue, Feb 3, priced at $667 Found 5 days ago
United
Thu, Jul 10 - Mon, Jul 14
BOS
Boston
LIS
Lisbon
$676
Roundtrip
Found 10 hours ago
Select United flight, departing Thu, Jul 10 from Boston to Lisbon, returning Mon, Jul 14, priced at $676 Found 10 hours ago
United
Sat, Jul 5 - Tue, Jul 15
BOS
Boston
LIS
Lisbon
$683
Roundtrip
Found 10 hours ago
Select United flight, departing Sat, Jul 5 from Boston to Lisbon, returning Tue, Jul 15, priced at $683 Found 10 hours ago
United
Thu, Jan 1 - Tue, Feb 3
BOS
Boston
LIS
Lisbon
$693
Roundtrip
Found 5 days ago
Select United flight, departing Thu, Jan 1 from Boston to Lisbon, returning Tue, Feb 3, priced at $693 Found 5 days ago
United
Sat, Jul 5 - Mon, Jul 14
BOS
Boston
LIS
Lisbon
$694
Roundtrip
Found 10 hours ago
Select United flight, departing Sat, Jul 5 from Boston to Lisbon, returning Mon, Jul 14, priced at $694 Found 10 hours ago
United
Thu, Jan 1 - Tue, Feb 3
BOS
Boston
LIS
Lisbon
$695
Roundtrip
Found 5 days ago
Select United flight, departing Thu, Jan 1 from Boston to Lisbon, returning Tue, Feb 3, priced at $695 Found 5 days ago
United
Thu, Jan 1 - Tue, Feb 3
BOS
Boston
LIS
Lisbon
$698
Roundtrip
Found 5 days ago
Select United flight, departing Thu, Jan 1 from Boston to Lisbon, returning Tue, Feb 3, priced at $698 Found 5 days ago
United
Thu, Jan 1 - Tue, Feb 3
BOS
Boston
LIS
Lisbon
$699
Roundtrip
Found 5 days ago
Select United flight, departing Thu, Jan 1 from Boston to Lisbon, returning Tue, Feb 3, priced at $699 Found 5 days 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, JetBlue Airways, KLM, Lufthansa, SATA International-Azores Airlines S.A., Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Popular airline
TAP Portugal
Distance
5096 km
Average flight time
11 hours 26 mins