In June the 303rd was again redeployed, this time to 4th Guards Army. In late August, after the start of the 2nd Jassy-Kishinev Offensive the division was moved to Front reserves for re-building during the swift advance through Romania. Re-building complete, in October it was back in 7th Guards Army, this time for the duration, and now serving in Hungary. For most of that period it was under the 27th Guards Rifle Corps, although in the last two months it also served in both the 24th and 25th Guards Rifle Corps. During the Debrecen operation on October 19 the 303rd was urgently summoned to the Mezőtúr area in response to a surprise German tank attack. Mezőtúr was taken on October 23, and the east bank of the Tisza River was reached on the 25th. On November 1 an assault crossing was forced, and over the next four days, in cooperation with the 227th Rifle Division, the city of Szolnok was captured. For its contribution to the latter feat the 847th Rifle Regiment was awarded the Order of Kutuzov, 3rd Degree. On the afternoon of November 6 the division began an advance in the direction of Kharomkhaz and on the 14th, along with the 27th and 409th Rifle Divisions, penetrated the southern suburbs of Jászberény.