--- title: "Helsinki (HEL) to Seattle (SEA) flights: who flies it" description: "Finnair flies Helsinki (HEL) to Seattle (SEA) nonstop about 3 times a week as AY 33, scheduled at 9h 40m. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/hel-sea" url: "https://2lnr.com/routes/hel-sea.md" date_modified: "2026-10-18T05:10:47Z" --- # Helsinki to Seattle (HEL-SEA): nonstop flights and award space Finnair flies nonstop from Helsinki (HEL) to Seattle (SEA) just three times a week. In the timetable below it flies as AY 33, scheduled at 9h 40m for the 4,767 miles. 2LNR tracks award seats on Finnair across every HEL to SEA date, so you can see whether a seat exists before you move points. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See HEL to SEA on the interactive map [Get started free](https://2lnr.com/login) 3 Flights a week, 4-week average 9h 40m Scheduled flight time 4,767 mi Nonstop distance Free To get started ## Helsinki to Seattle flight schedule Scheduled nonstop departures for HEL to SEA starting October 23, 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 Helsinki (HEL) to Seattle (SEA) | Date | Flight | Airline | Departs HEL | Arrives SEA | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Tue, Apr 6 | AY 33 | Finnair | 16:20 | 16:00 | 9h 40m | Airbus A330-300 | | Fri, Apr 9 | AY 33 | Finnair | 16:20 | 16:00 | 9h 40m | Airbus A330-300 | | Sun, Apr 11 | AY 33 | Finnair | 16:20 | 16:00 | 9h 40m | Airbus A330-300 | | Tue, Apr 13 | AY 33 | Finnair | 16:20 | 16:00 | 9h 40m | Airbus A330-300 | | Fri, Apr 16 | AY 33 | Finnair | 16:20 | 16:00 | 9h 40m | Airbus A330-300 | | Sun, Apr 18 | AY 33 | Finnair | 16:20 | 16:00 | 9h 40m | Airbus A330-300 | | Tue, Apr 20 | AY 33 | Finnair | 16:20 | 16:00 | 9h 40m | Airbus A330-300 | Showing all 7 scheduled HEL to SEA departures across 7 days with service, starting October 23, 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 HEL to SEA date on the interactive map ## Aircraft on the Helsinki to Seattle nonstop Finnair flies the Airbus A330-300 on every departure in the schedule table on this page. ## Award seats on HEL to SEA departures 2LNR tracks award seats on Finnair, date by date. Open the calendar for Helsinki to Seattle to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro. ### See real availability Award seats by date on the HEL 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 HEL to SEA on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Helsinki to Seattle nonstop Carriers operating HEL to SEA nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show award space by date. - [Finnair (AY) route map](https://2lnr.com/routes/airlines/ay.md)\ [The aircraft AY flies](https://2lnr.com/seatmaps/ay.md) See HEL to SEA on the interactive map → ## Frequently asked questions about HEL to SEA **How long is the flight from Helsinki (HEL) to Seattle (SEA)?** AY 33 is scheduled at 9h 40m from Helsinki (HEL) to Seattle (SEA) on every departure in the schedule table on this page. The nonstop covers about 4,767 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from HEL to SEA?** Finnair is currently the only airline flying HEL to SEA nonstop. 2LNR tracks award seats on Finnair. **How often does HEL to SEA operate?** The HEL to SEA nonstop currently runs three times a week, on Finnair. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from HEL to SEA depart?** In the next 7 days with service, every scheduled HEL to SEA nonstop leaves at 16:20 local time at Helsinki. The schedule table on this page lists each departure by date. **Which flights operate HEL to SEA nonstop?** Finnair flies AY 33 nonstop from Helsinki (HEL) 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 award availability on HEL to SEA?** Open the HEL to SEA route on the interactive map or the matrix to see award seats by date on Finnair, 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 HEL nonstop flights and award space](https://2lnr.com/routes/sea-hel.md). Award seats rather than schedules? See [Finnair award availability](https://2lnr.com/awards/ay.md). Looking beyond this route? See [every route from Helsinki (HEL)](https://2lnr.com/routes/hel.md), or [every route from Seattle (SEA)](https://2lnr.com/routes/sea.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## See HEL to SEA award space by date 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)