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Cheap Flights from St Louis to Portland, OR, United States - STL to PDX

Did You Know?

You must make at least one connection to fly from St Louis, MO to Portland.
American Airlines has 490 connecting flights between St Louis, MO and Portland.

Cheap Domestic Flights from St Louis - STL

Flights
Airline
Lowest Price
US Airways, American, AirTran, Frontier, Delta, United, Alaska
$255
American, US Airways, Frontier, AirTran, Delta, Alaska, United
$212
AirTran, Frontier, American, US Airways, United, Alaska, Delta
$273
Frontier, American, Delta, United, Alaska, US Airways, AirTran
$273
Frontier, American, US Airways, Delta, United, Alaska
$329
Delta, Air Choice One, American, US Airways, United, Alaska
$172
United, Delta, American, Frontier
$213
AirTran, Frontier, United, Alaska, US Airways, American, Delta
$149
American, US Airways, Delta, United, Alaska
$338
Alaska, Delta, United, American, Frontier, AirTran, US Airways
$273
United, Delta, American, AirTran, US Airways
$208
Alaska, American, US Airways, Delta, United
$367
AirTran, American, US Airways, United, Frontier
$234
American, US Airways, Alaska, United, Delta
$360

Cheap Domestic Flights to Portland - PDX

Flights
Airline
Lowest Price
American, Alaska, Delta, United, US Airways
$353
United, Alaska, Delta, US Airways, American
$353
Frontier, Delta, American
$353
Delta, American, US Airways, United
$353
American, Delta
$353
American
$353
Alaska, United, American, Delta
$353
Alaska, United, Delta, American, US Airways
$353
American, US Airways, Delta, United
$353
American, Delta
$353
Frontier, American, Delta
$353
American, United
$353
American
$353
Alaska, American, US Airways, Delta, United
$385

Cheap International Flights from St Louis - STL

Flights
Airline
Lowest Price
US Airways, Alaska, Air Canada, United, Delta, American, WestJet
$412
United, Air Canada, Delta, Alaska, American, WestJet
$471
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Cheap Flights from St Louis to Portland, OR, United States, from $304 Round trip from STL to PDX