Cheap flights from Helena to Seattle
489 mi · 45m average nonstop
We may earn a commission at no extra cost to you.
TripRoute is an affiliate partner — when you book via Kayak we may earn commission at no extra cost to you. See how it works.
Quick answer: Helena to Seattle at a glance
Cheap flights from Helena (HLN) to Seattle (SEA) cover 489 miles (786 km) in about 45m nonstop, with 1 airline flying direct — a short-haul domestic route. Search Kayak for today's cheapest live fare. Route difficulty 1/10.
Summary computed from real OpenFlights coordinates — not an estimate. Prices update live on Kayak.
Flying from Helena to Seattle covers 489 miles (787 km) in approximately 0 hour 45 minutes. 1 airlines fly this route directly, making it the 4th most competitive of 5 routes from Helena. This is a short-haul domestic route typically served by direct flights.
Nonstop distance 489 miles. Direct carriers include AS.
We don't track historical prices for this route yet. Search live fares on Kayak for today's best price across 100+ airlines and booking sites.
Airlines on this route
1 airlines fly Helena → Seattle. All are direct routes.
| Airline | Route type |
|---|---|
| AS | Direct |
Kayak can notify you when HLN → SEA fares drop — alerts are free on the same page you search and book.
Track it on Kayak — free price alertsSet alertTripRoute is an affiliate partner — when you book via Kayak we may earn commission at no extra cost to you. See how it works.
Helena to Seattle — quick answers
How far is Helena from Seattle by plane?
The nonstop flight distance from Helena (HLN) to Seattle (SEA) is 489 miles (786 km), calculated as a great-circle line from published OpenFlights airport coordinates. Actual flown distance is slightly longer due to airways and winds.
How long is the flight from Helena to Seattle?
The average nonstop flight time from HLN to SEA is 45 minutes. Gate-to-gate time is usually 20–35 minutes longer; connecting itineraries add 1–4 hours depending on the layover.
Which airlines fly from Helena to Seattle?
1 airlines serve this route nonstop: AS. Schedules and amenities differ by carrier — compare live frequencies and fare classes on Kayak before you book.