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Cheap Flights from Portland to San Francisco, CA, United States - PWM to SFO (reverse)

Did You Know?

You must make at least one connection to fly from Portland, ME to San Francisco.
American Airlines has 490 connecting flights between Portland, ME and San Francisco.
229,673 seats are available per week to fly from Portland, ME to San Francisco.
There are 5648 flights from Portland, ME to San Francisco per week.

Cheap Domestic Flights from Portland - PWM

Flights
Airline
Lowest Price
US Airways, Delta, JetBlue
$357
US Airways, Delta, United, JetBlue
$354

Cheap Domestic Flights to San Francisco - SFO

Flights
Airline
Lowest Price
Sun Country, US Airways, American, Hawaiian, Delta, JetBlue, Virgin America, Alaska, United, AirTran
$322
AirTran, American, US Airways, United, Delta
$377
United, Delta, US Airways, AirTran
$307
United, Delta, US Airways
$355
United, Delta, US Airways, JetBlue
$364
AirTran, US Airways, Delta, United
$308
US Airways, Delta
$412
JetBlue, AirTran, US Airways, Spirit, American, Delta, Alaska
$333
Delta, Alaska, United, AirTran, Virgin America, JetBlue, US Airways, American
$287
Delta, US Airways
$367
Delta, American, US Airways
$367
Delta, US Airways
$367
US Airways, JetBlue, Delta
$358
Alaska, American, US Airways, Sun Country, Spirit, Hawaiian, JetBlue, Virgin America, AirTran, Delta, United
$346
Delta, US Airways, United, JetBlue, AirTran, Alaska, American
$377
US Airways, Delta, United, American
$382
United, Delta, US Airways
$344
US Airways, Delta, United
$368
Delta, United, US Airways
$358
AirTran, JetBlue, Delta, Virgin America, Spirit, United, Sun Country, US Airways, American, Alaska
$277
United, JetBlue, US Airways, Delta
$370
JetBlue, Spirit, Delta, US Airways, Alaska, American, AirTran, United
$155
JetBlue, Sun Country, American, US Airways, United, Delta, Spirit
$195
United, Delta, US Airways, American, JetBlue, AirTran, Alaska
$161
United, Delta, US Airways, American
$360
Alaska, United, American, US Airways
$332
Delta, American, Alaska
$454
American, Spirit, AirTran, US Airways, Delta, United
$287
Cheap Flights from Portland to San Francisco, CA, United States, from $364 Round trip from PWM to SFO