Seinäjoki Airport (Finnish: Seinäjoen lentoasema; IATA: SJY, ICAO: EFSI) is an airport in Ilmajoki, Finland, about 6 NM (11 km; 7 mi) south-southwest of Seinäjoki city centre.

Before that (from 1976 to 2016) it was operated by Rengonharju-säätiö (Rengonharju Foundation).

[1] The airport resides at an elevation of 92 metres (302 ft) above mean sea level.

[1] At the moment there are no scheduled flights and the traffic consists mainly of private business and charter flights, in addition to general aviation.

In the past, scheduled flights from Seinäjoki have been operated at least by Finnair, Finncomm Airlines, Flybe Nordic, Direktflyg, Golden Air, Air Botnia and Wasawings, which in 1983 became the airport's first scheduled operator.