Direct flights available:
169 PER WEEK
Popular non-direct routes for this connection are Portland Intl - Salt Lake City Intl - O'Hare Intl, Portland Intl - Mccarran Intl - O'Hare Intl and Portland Intl - Los Angeles Intl - O'Hare Intl.
You can fly from Portland Intl to Chicago indirect via Salt Lake City Intl, Mccarran Intl or Los Angeles Intl.
Direct flights available on