Seattle to Helena (SEA–HLN) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
SEA–HLN is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 490 miles in approximately 1h 36m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AS Alaska Airlines Also: KE, QR | 7 | E75 | 1h35 | Oneworld | KE, QR |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
SEA: PDT · HLN: MDT
When it's 6:00 PM in Seattle, it's 7:00 PM in Helena.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
SEA–HLN Quick Facts
Frequently Asked Questions
Flights from SEA to HLN
Seattle–Tacoma International Airport (SEA) and Helena Regional Airport (HLN) are connected by nonstop service from Alaska Airlines. With 14 weekly departures, this is a well served route.
SEA to HLN Flight Duration and Schedule
Nonstop flight time from SEA to HLN is about 1 hours 36 minutes gate to gate. The route covers a distance of 490 miles (788 km). There are approximately 14 weekly flights outbound and 46 return, totaling 60 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Salt Lake City and Denver. Two-stop connections are also available via intermediate hubs.