Direct flights available:
153 PER WEEK
Popular non-direct routes for this connection are Portland Intl - Mccarran Intl - O'Hare Intl, Portland Intl - Saint Paul Intl - Midway and Portland Intl - Seattle Tacoma - Mccarran Intl - O'Hare Intl.
Stop-off cities for indirect flights from Portland Intl to Chicago include Mccarran Intl, Saint Paul Intl and Seattle Tacoma.
Direct flights available on