Direct flights from Portland to Houston
All flights from PWM to IAH non-stop. There are direct flights from Portland International Jetport (PWM), Maine, USA to George Bush Intcntl Houston (IAH), Texas, USA with United Airlines. 1 weekly departure are currently scheduled on this route. Departure times range from 15:22 to 15:30 depending on the schedule period. The flight distance is 1674 miles (2693 km). Flight time ranges from 4 hours and 28 minutes to 4 hours and 30 minutes.
Flight schedule from Portland to Houston 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 2026-06-22
Portland to Houston scheduled departures
Select a date to see every published non-stop departure between PWM and IAH.
PWM - IAH route facts
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Distance1674 miles (2693 km)
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Flight time4 hours and 28 minutes to 4 hours and 30 minutes
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Airline
United -
Airline alliancesStar Alliance
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CabinsEconomy First
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Hub airportsIAH
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Arrival terminalsTerminal C and Terminal B
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AircraftAirbus A319 and Embraer 175 (Enhanced Winglets)
Route FAQ
Direct flights from Portland to TX, USA
From Portland to Dallas
DFW Dallas Fort Worth International
