On 26 June 2012, Bulut joined Galatasaray on loan until the end of the season.
He scored two goals on his début for Galatasaray against their rivals Fenerbahçe during the game for the 2012 Turkish Super Cup Final.
Galatasaray won the game 3–2, where he became the Man of the Match.

On 20 August 2012, Bulut made his debut in the 2012–13 Süper Lig game against Kasımpaşa in the starting 11, where he scored the 2 Goals for Galatasaray as the game finished 2–1.
Bulut scored in the second game in an equalizing goal against Beşiktaş as the game finished 3–3.
On 2 September 2012 he scored again in the opening goal of the match against Bursaspor as the game ended 3–2, making Galatasaray's 1000th League win in history.
His next goal came on 15 September 2012, when he scored a late goal in the 90th minute as Galatasary won the game 4–0 against Antalyaspor.
He made a brilliant start in the 2012–13 Süper Lig season scoring 5 league goals in the first 4 weeks and eliminated Saša Ilić's record.
On 19 October scored he an important goal for Galatasaray when they were trailing 3–2 against Gençlerbirliği right before his teammate Hakan Balta scored the last goal and the game ended 3–3.
After disappointing matches both in the Süper Lig and Champions League during the month of October.
Bulut returned with another excellent performance and scored the opener against Kayserispor in a 3–0 win.
The following week he again scored the opener from teammate Burak Yılmaz's assist against İstanbul BB as the game ended 3–1, his 10th goal of the season.

Following his successful loan spell, Galatasaray officially signed Bulut from Toulouse on a 3+1 year deal for €2.7 million.
On 26 June 2012, Bulut joined Galatasaray on loan until the end of the season. He scored two goals on his début for Galatasaray against their rivals Fenerbahçe during the game for the 2012 Turkish Super Cup Final. Galatasaray won the game 3–2, where he became the Man of the Match.
On 20 August 2012, Bulut made his debut in the 2012–13 Süper Lig game against Kasımpaşa in the starting 11, where he scored the 2 Goals for Galatasaray as the game finished 2–1. Bulut scored in the second game in an equalizing goal against Beşiktaş as the game finished 3–3. On 2 September 2012 he scored again in the opening goal of the match against Bursaspor as the game ended 3–2, making Galatasaray's 1000th League win in history. His next goal came on 15 September 2012, when he scored a late goal in the 90th minute as Galatasary won the game 4–0 against Antalyaspor. He made a brilliant start in the 2012–13 Süper Lig season scoring 5 league goals in the first 4 weeks and eliminated Saša Ilić's record. On 19 October scored he an important goal for Galatasaray when they were trailing 3–2 against Gençlerbirliği right before his teammate Hakan Balta scored the last goal and the game ended 3–3. After disappointing matches both in the Süper Lig and Champions League during the month of October. Bulut returned with another excellent performance and scored the opener against Kayserispor in a 3–0 win. The following week he again scored the opener from teammate Burak Yılmaz's assist against İstanbul BB as the game ended 3–1, his 10th goal of the season.
Following his successful loan spell, Galatasaray officially signed Bulut from Toulouse on a 3+1 year deal for €2.7 million.
Umut Bulut