Austria's far-right Freedom Party won a national parliamentary election, but it will struggle to find other parties willing to form a coalition government.

Political parties on the European right celebrated Sunday's parliamentary election victory by Austria's Freedom Party (FPO) as a boost for national conservatives amid advances by the hard right fuelled by worries about immigration.

Exit polls indicate Austria's far-right party has won historic first national election after tapping into voters' fears of immigration and the Ukraine war.