Seattle
Sioux Falls, SD
BEST
DEAL
Mon, 15 Apr
SEA - FSD
Thu, 18 Apr
FSD - SEA
$767
Prime price per passenger
Seattle
Sioux Falls, SD
BEST
DEAL
Wed, 08 May
SEA - FSD
$55
$52
Prime price per passenger
Seattle
Sioux Falls, SD
BEST
DEAL
Sat, 04 May
SEA - FSD
Tue, 07 May
FSD - SEA
$647
Prime price per passenger
Seattle
Sioux Falls, SD
BEST
DEAL
Fri, 19 Apr
SEA - FSD
Mon, 22 Apr
FSD - SEA
$737
Prime price per passenger
Seattle
Sioux Falls, SD
BEST
DEAL
Thu, 25 Apr
SEA - FSD
Sun, 28 Apr
FSD - SEA
$727
Prime price per passenger