Seattle-Tacoma International ⇄ Helsinki SEA–HEL
Airlines flew 86 flights between Seattle-Tacoma International SEA in Seattle, WA and Helsinki, Finland HEL in Helsinki, FI in the twelve months to July 2026, both directions together: 17,940 passengers in 23,994 seats, 75% of them filled, and 331,231 pounds of freight. 4,783 miles, on 1 airline: Finnair Oy (86).
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 5/25 | 38 |
| 6/25 | 60 |
| 7/25 | 38 |
| 8/25 | 28 |
| 5/26 | 6 |
| 6/26 | 26 |
| 7/26 | 26 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 5/25 | 4,881 |
| 6/25 | 12,300 |
| 7/25 | 7,748 |
| 8/25 | 5,642 |
| 5/26 | 1,085 |
| 6/26 | 5,572 |
| 7/26 | 5,641 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Finnair Oy AY | 86 | 17,940 | 75% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A330-200 | 86 | 279 | 17,940 |
SEA → HEL this direction alone · flown May 2025 to July 2026
43 flights, 7,011 passengers in 11,997 seats, 29,846 pounds of freight. Finnair Oy 43.
HEL → SEA this direction alone · flown May 2025 to July 2026
43 flights, 10,929 passengers in 11,997 seats, 301,385 pounds of freight. Finnair Oy 43.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Seattle-Tacoma International SEA and Helsinki, Finland HEL; all routes.