Seattle
Lisbon
BEST
DEAL
Wed, 11 Dec
SEA - LIS
Wed, 25 Dec
LIS - SEA
$871
$840
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Sun, 01 Dec
SEA - LIS
$309
$300
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Thu, 05 Dec
SEA - LIS
Mon, 16 Dec
LIS - SEA
$602
$584
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Sun, 01 Dec
SEA - LIS
Sun, 08 Dec
LIS - SEA
$1010
$992
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Wed, 18 Dec
SEA - LIS
Mon, 06 Jan
LIS - SEA
$2691
$2676
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Sun, 22 Dec
SEA - LIS
Mon, 30 Dec
LIS - SEA
$2418
$2402
Prime price per passenger