$905 Cheap United flights Seattle (SEA) to Lisbon (LIS)

View $905 flight on Fri, Jun 13, 2025Opens in a new window

$905 Cheap United flights Seattle (SEA) to Lisbon (LIS)

Prices were available within the past 7 days and start at $905 for one-way flights and $1,007 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jun 10 - Tue, Jun 24
SEA
Seattle
LIS
Lisbon
$1,007 Roundtrip, found 1 day ago
$1,007
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 10 from Seattle to Lisbon, returning Tue, Jun 24, priced at $1,007 found 1 day ago
United
Fri, Jun 13 - Fri, Jun 27
SEA
Seattle
LIS
Lisbon
$1,098 Roundtrip, found 1 day ago
$1,098
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 13 from Seattle to Lisbon, returning Fri, Jun 27, priced at $1,098 found 1 day ago
United
Fri, Jun 13 - Fri, Jun 27
SEA
Seattle
LIS
Lisbon
$1,098 Roundtrip, found 1 day ago
$1,098
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 13 from Seattle to Lisbon, returning Fri, Jun 27, priced at $1,098 found 1 day ago
United
Fri, Jun 13 - Fri, Jun 27
SEA
Seattle
LIS
Lisbon
$1,110 Roundtrip, found 1 day ago
$1,110
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 13 from Seattle to Lisbon, returning Fri, Jun 27, priced at $1,110 found 1 day ago
United
Fri, Jun 13 - Fri, Jun 27
SEA
Seattle
LIS
Lisbon
$1,117 Roundtrip, found 1 day ago
$1,117
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 13 from Seattle to Lisbon, returning Fri, Jun 27, priced at $1,117 found 1 day ago
United
Fri, Jun 13 - Fri, Jun 27
SEA
Seattle
LIS
Lisbon
$1,121 Roundtrip, found 1 day ago
$1,121
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 13 from Seattle to Lisbon, returning Fri, Jun 27, priced at $1,121 found 1 day ago
United
Fri, Jun 13 - Fri, Jun 27
SEA
Seattle
LIS
Lisbon
$1,123 Roundtrip, found 1 day ago
$1,123
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 13 from Seattle to Lisbon, returning Fri, Jun 27, priced at $1,123 found 1 day ago