He has previously played for Motherwell, Queen's Park, Dundee United, Partick Thistle and Ross County.

He was part of the side that won the 2016–17 Scottish Challenge Cup as he played in the earlier third and fourth rounds, as well as the quarter-final.

Blair joined Scottish Premiership club Partick Thistle on a two-year contract on 15 June 2017.

Blair again lead the team out in a home game against Hearts in the Scottish Cup quarter-final which ended in a 1–1 draw, meaning that there would be a replay in Edinburgh.

[14] He made his club debut in the Scottish League cup at home to Montrose, providing an assist.

Ross County would finish top of their league cup group with the maximum twelve points and advance to round two.

On 7 October 2020, Blair made a return to former club Partick Thistle who, at the time, were in League One, on a loan deal until January.

On 17 May 2022 it was announced Spittal would leave Ross County at the end of his contract after three years having made 72 appearances for the club scoring 12 goals.

On 21 March 2024, he agreed a pre-contract with Heart of Midlothian,[21] officially signing for the club on 20 June 2024 on a three-year contract.