Which airports does American Airlines fly between Chicago and Portland?
For flights between Chicago and Portland, American Airlines operates from the following airport routes: O hare International Airport (ORD) to Portland International Airport (PDX)
What do American Airlines flights from Chicago to Portland cost?
One of American Airlines cheapest prices for a Chicago to Portland flight we have right now is $141.
On average though, flights with American Airlines cost $144.97 for the route Chicago to Portland, but it mostly depends on the season and how far in advance you book your tickets.