Direct flights from Helena to Seattle HLN → SEA
Alaska Airlines operates nonstop flights from Helena (HLN) to Seattle (SEA). The nonstop flight takes around ~0h 59m, covering 490 miles (788 km). Updated 28 June 2026.
HLN
→
SEA
Round trip
1 adult
Economy
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Frequently asked questions
Is there a direct flight from Helena to Seattle?
Yes, Alaska Airlines operates nonstop flights from Helena (HLN) to Seattle (SEA).
Which airlines fly direct from Helena to Seattle?
Alaska Airlines operates nonstop flights from Helena to Seattle.
How long is the flight from Helena to Seattle?
The nonstop flight from Helena to Seattle takes ~0h 59m (approximately 788 km).