San Francisco
Portland, ME
BEST
DEAL
Sun, 14 Apr
SFO - PWM
Tue, 16 Apr
PWM - SFO
$1086
Prime price per passenger
San Francisco
Portland, ME
BEST
DEAL
Fri, 05 Jul
SFO - PWM
$161
$158
Prime price per passenger
San Francisco
Portland, ME
BEST
DEAL
Mon, 06 May
SFO - PWM
Wed, 08 May
PWM - SFO
$964
Prime price per passenger
San Francisco
Portland, ME
BEST
DEAL
Fri, 19 Apr
SFO - PWM
Tue, 23 Apr
PWM - SFO
$1364
Prime price per passenger
San Francisco
Portland, ME
BEST
DEAL
Wed, 24 Apr
SFO - PWM
Sun, 28 Apr
PWM - SFO
$1478
Prime price per passenger
San Francisco
Portland, ME
BEST
DEAL
Tue, 30 Apr
SFO - PWM
Wed, 01 May
PWM - SFO
$1010
Prime price per passenger