Direct flights from Helena to Seattle
All flights from HLN to SEA non-stop. There are direct flights from Helena Rgnl (HLN), Montana, USA to Seattle Tacoma International (SEA), Washington, USA with Alaska Airlines. 7 weekly departures are currently scheduled on this route. Departure times range from 16:08 to 17:26 depending on the schedule period. The flight distance is 492 miles (792 km). Flight time ranges from 1 hour and 47 minutes to 1 hour and 57 minutes.
Helena
, USA
Flight schedule from Helena to Seattle with Alaska Airlines
This is a weekly direct flight schedule for Alaska 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 2026-08-24
Helena to Seattle scheduled departures
Select a date to see every published non-stop departure between HLN and SEA.
HLN - SEA route facts
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Distance492 miles (792 km)
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Flight time1 hour and 47 minutes to 1 hour and 57 minutes
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Airline Alaska Airlines
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Airline alliancesoneworld
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CabinsEconomy First
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Hub airportsSEA (Primary hub.)
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AircraftEmbraer 175
