June can be a great time to fly to Bangor, Maine from Portland, Maine with a flight ticket averaging about $372. Cheapflights users have found deals in the month of June for as cheap as $74. The most expensive prices can be found in the month of February.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Bangor, Maine as you normally would.