Direct flights from Seattle to Helena
All flights from SEA to HLN non-stop. There are direct flights from Seattle Tacoma International (SEA), Washington, USA to Helena Rgnl (HLN), Montana, USA with Alaska Airlines. 7 weekly departures are currently scheduled on this route. Departure times range from 12:59 to 14:14 depending on the schedule period. The flight distance is 492 miles (792 km). Flight time ranges from 1 hour and 32 minutes to 1 hour and 39 minutes.
Seattle
, USA
Flight schedule from Seattle to Helena 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
Seattle to Helena scheduled departures
Select a date to see every published non-stop departure between SEA and HLN.
SEA - HLN route facts
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Distance492 miles (792 km)
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Flight time1 hour and 32 minutes to 1 hour and 39 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
Route FAQ
Direct flights from Seattle to MT, USA
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BIL Billings Logan International Airport
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BZN Gallatin Field
From Seattle to Great Falls
GTF Great Falls International
From Seattle to Missoula
MSO Missoula Intl
From Seattle to Kalispell
FCA Glacier Park Intl
