Direct flights available:
121 PER WEEK
Popular non-direct routes for this connection are Portland Intl - Salt Lake City Intl - O'Hare Intl, Portland Intl - Sky Harbor Intl - O'Hare Intl and Portland Intl - Seattle Tacoma - Mccarran Intl - O'Hare Intl.
Stop-off cities for indirect flights from Portland Intl to Chicago include Salt Lake City Intl, Sky Harbor Intl and Seattle Tacoma.
Direct flights available on