To save on the cost of your flight from Monterey to Chicago-O'Hare Intl, book at least 20 days before your planned departure. Booking around this time can save you about 10% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $137 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $157.
April can be a great time to fly to Chicago-O'Hare Intl from Monterey with a flight ticket averaging about $135. Cheapflights users have found deals in the month of April for as cheap as $33. The most expensive prices can be found in the month of December.