--- title: "Helena (HLN) to Seattle (SEA) flights: who flies it" description: "Alaska Airlines flies nonstop from HLN to SEA, about 9 flights a week, scheduled at 1h 52m. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/hln-sea" url: "https://2lnr.com/routes/hln-sea.md" date_modified: "2026-10-18T05:10:47Z" --- # Helena to Seattle (HLN-SEA): nonstop upgrade & award space Alaska Airlines flies the HLN to SEA nonstop about 9 times a week. In the timetable below it flies as AS 2206, scheduled at 1h 52m for the 489 miles. 2LNR checks confirmed upgrade and award space on Alaska Airlines flights on this route, so you can see which departures have space before you book. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See HLN to SEA on the interactive map [Get started free](https://2lnr.com/login) 9 Flights a week, 4-week average 1h 52m Scheduled flight time 489 mi Nonstop distance Free To get started ## Helena to Seattle flight schedule Scheduled nonstop departures for HLN to SEA starting October 21, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Helena (HLN) to Seattle (SEA) | Date | Flight | Airline | Departs HLN | Arrives SEA | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Wed, Oct 21 | AS 2206 | Alaska Airlines, Inc. | 17:26 | 18:18 | 1h 52m | [Embraer E175](https://2lnr.com/seatmaps/as/e175.md) | | Thu, Oct 22 | AS 2206 | Alaska Airlines, Inc. | 17:26 | 18:18 | 1h 52m | Embraer E175 | | Fri, Oct 23 | AS 2206 | Alaska Airlines, Inc. | 17:26 | 18:18 | 1h 52m | Embraer E175 | | Sat, Oct 24 | AS 2206 | Alaska Airlines, Inc. | 17:26 | 18:18 | 1h 52m | Embraer E175 | | Sun, Oct 25 | AS 2206 | Alaska Airlines, Inc. | 17:26 | 18:18 | 1h 52m | Embraer E175 | | Mon, Oct 26 | AS 2206 | Alaska Airlines, Inc. | 17:26 | 18:18 | 1h 52m | Embraer E175 | | Tue, Oct 27 | AS 2206 | Alaska Airlines, Inc. | 17:26 | 18:18 | 1h 52m | Embraer E175 | Showing all 7 scheduled HLN to SEA departures across 7 days with service, starting October 21, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every HLN to SEA date on the interactive map ## Aircraft on the Helena to Seattle nonstop Alaska Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/as/e175.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on HLN to SEA departures 2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Helena to Seattle to see which departures have space, the next 14 days free on every product and the full horizon on Pro. Alaska Airlines award space was open on 13 of the 14 Helena to Seattle departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the HLN to SEA departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See HLN to SEA on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Helena to Seattle nonstop Carriers operating HLN to SEA nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.md) See HLN to SEA on the interactive map → ## Frequently asked questions about HLN to SEA **How long is the flight from Helena (HLN) to Seattle (SEA)?** AS 2206 is scheduled at 1h 52m from Helena (HLN) to Seattle (SEA) on every departure in the schedule table on this page. The nonstop covers about 489 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from HLN to SEA?** Alaska Airlines is currently the only airline flying HLN to SEA nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines. **How many flights a week are there from HLN to SEA?** About 9 nonstop flights a week run between Helena (HLN) and Seattle (SEA) in the current schedule, operated by Alaska Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from HLN to SEA depart?** In the next 7 days with service, every scheduled HLN to SEA nonstop leaves at 17:26 local time at Helena. The schedule table on this page lists each departure by date. **Which flights operate HLN to SEA nonstop?** Alaska Airlines flies AS 2206 nonstop from Helena (HLN) to Seattle (SEA), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **How do I check upgrade or award availability on HLN to SEA?** Open the HLN to SEA route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [SEA to HLN upgrade and award space](https://2lnr.com/routes/sea-hln.md). Award seats rather than schedules? See [Alaska Airlines award availability](https://2lnr.com/awards/as.md). Looking beyond this route? See [every route from Helena (HLN)](https://2lnr.com/routes/hln.md), or [every route from Seattle (SEA)](https://2lnr.com/routes/sea.md). Nonstops to Seattle (SEA) from other airports within 150 miles of Helena (HLN): - [Great Falls (GTF) to Seattle (SEA)](https://2lnr.com/routes/gtf-sea.md), 67 miles from HLN - [Bozeman (BZN) to Seattle (SEA)](https://2lnr.com/routes/bzn-sea.md), 69 miles from HLN - [Missoula (MSO) to Seattle (SEA)](https://2lnr.com/routes/mso-sea.md), 102 miles from HLN Distances are great-circle between the airports, not driving distance. - [How Alaska upgrades clear](https://2lnr.com/about/as/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss HLN to SEA upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)