Direct flights from Chicago to Portland
All flights from ORD to PWM non-stop. There are direct flights from Chicago O Hare International, Illinois, USA to Portland International Jetport (PWM), Maine, USA every day of the week with United Airlines and American Airlines. The flight distance is 902 miles and the trip usually takes about 2 hours and 23 minutes.
Airlines with non-stop routes:

United Airlines

American Airlines

Frontier Airlines
No flights anymore
Flight schedule from Chicago to Portland with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2025-04-22
Flight schedule from Chicago to Portland with American Airlines
This is a weekly direct flight schedule for American Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2025-04-22
Chicago to Portland flight departures
Select a date to see all scheduled flight departures between ORD to PWM.
ORD - PWM information
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Distance902 miles (1451 km)
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Flight time2 hours and 23 minutes
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Airlines
United
American Airlines
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AlliancesOne WorldSky TeamStar Alliance
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ClassesEconomyBusinessFirst Class
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United AircraftsAirbus A318 / A319 / A320 / A321Boeing 737 PassengerEmbraer 170 / 175 / 190 / 195
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American Airlines AircraftsCanadair (Bombardier) Regional JetEmbraer 170 / 175 / 190 / 195
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Departure TerminalsTerminal 1 (United)Terminal 2 (United)Terminal 3 (American Airlines)
Direct flights from Chicago to ME, USA

From Chicago to Bangor
BGR Bangor International