To save on the cost of your flight from Chicago Midway Airport to Porto, book at least 59 days before your planned departure. Booking around this time can save you about 24% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $826 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,051.
October can be a great time to fly to Porto from Chicago Midway Airport with a flight ticket averaging about $793. Cheapflights users have found deals in the month of October for as cheap as $560. The most expensive prices can be found in the month of December.
When flying from Chicago Midway Airport to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.