Seattle
Lisbon
BEST
DEAL
Sun, 12 Jan
SEA - LIS
Mon, 20 Jan
LIS - SEA
$593
$570
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Thu, 09 Jan
SEA - LIS
$311
$302
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Sun, 19 Jan
SEA - LIS
Mon, 27 Jan
LIS - SEA
$589
$579
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Wed, 01 Jan
SEA - LIS
Thu, 09 Jan
LIS - SEA
$1186
$1168
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Tue, 07 Jan
SEA - LIS
Fri, 17 Jan
LIS - SEA
$593
$579
Prime price per passenger
Seattle
Lisbon
BEST
DEAL
Fri, 17 Jan
SEA - LIS
Tue, 21 Jan
LIS - SEA
$825
$803
Prime price per passenger