Great Falls, MT
San Francisco
BEST
DEAL
Fri., 03 May
GTF - SFO
Mon., 06 May
SFO - GTF
$483
$462
Prime price per passenger
Great Falls, MT
San Francisco
BEST
DEAL
Tue., 21 May
GTF - SFO
-13 %
$220
$191
Prime price per passenger
Great Falls, MT
San Francisco
BEST
DEAL
Sat., 18 May
GTF - SFO
Tue., 21 May
SFO - GTF
$580
$559
Prime price per passenger