On March 5, 2018, Bryant signed a three-year contract extension with the Falcons through the 2020 season. In the season opener against the Philadelphia Eagles on "Thursday Night Football", Bryant missed his first extra point attempt on the season but converted two field goals in the 18–12 loss. In the next five games, he converted all 16 extra point attempts and all seven field goal attempts. In the Week 6 against the Tampa Bay Buccaneers, he suffered a hamstring injury after converting a 57-yard field goal to help seal the game. He was forced to sit out the next week's game against the New York Giants. He finished the 2018 season converting 33 of 35 extra point attempts and 20 of 21 field goal attempts.