Seattle
Lisbon
BEST
DEAL
Mon, 15 Apr
SEA - LIS
Thu, 18 Apr
LIS - SEA
$6714
$6497
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Mon, 06 May
SEA - LIS
$519
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Fri, 19 Apr
SEA - LIS
Tue, 23 Apr
LIS - SEA
$1132
$1102
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Wed, 24 Apr
SEA - LIS
Sun, 28 Apr
LIS - SEA
$1131
$1115
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Mon, 29 Apr
SEA - LIS
Fri, 03 May
LIS - SEA
$1178
$1155
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Tue, 07 May
SEA - LIS
Tue, 07 May
LIS - SEA
$1551
$1499
Prime price per passenger