Direct flights from Helena to Seattle

Helena

United States

HLN

Helena Regional Airport

Seattle

United States

SEA

Seattle Tacoma International Airport

Helena to Seattle route overview

Helena Regional Airport (HLN) serves Helena; Seattle Tacoma International Airport (SEA) serves Seattle.

The airports are 489 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from HLN to SEA.

Airlines represented in the current schedule are Alaska Airlines (AS) and Qatar Airways (QR).

Published schedule dates span Sep 8, 2026 – Sep 5, 2027.

Airline alliance affiliations represented: Oneworld

Which airports serve the Helena to Seattle route?

Helena Regional Airport (HLN) is the origin airport and Seattle Tacoma International Airport (SEA) is the destination airport.

How far is Seattle from Helena?

HLN and SEA are approximately 489 miles apart by great-circle distance.

Are there direct flights from HLN to SEA?

Yes. Roame's current schedule feed shows nonstop service from HLN to SEA.

Which airlines fly from HLN to SEA?

Airlines represented in the current schedule are Alaska Airlines (AS) and Qatar Airways (QR).

Which aircraft fly from HLN to SEA?

Aircraft listed in the current schedule include Embraer 175 (short wing) (E75).