2022–2026: Title challengers and eventual Champions
Saka played a pivotal role for Arsenal during the 2022–23 season, scoring crucial goals and providing assists as Arsenal aimed to win their first Premier League title since 2003–04. On 20 August 2022, he made his 100th Premier League appearance in a 3–0 win at Bournemouth, becoming the second youngest Arsenal player to reach that milestone. He scored first goal of the season in a 3–1 away defeat against Manchester United on 4 September. In their next Premier League match on 18 September, Saka would provide two assists for teammates William Saliba and Fábio Vieira in a 3–0 away victory at Brentford, a result that would sent Arsenal to the top of the table. In October, Saka would score in three consecutive matches for the first time in his career, with a brace against Liverpool on 9 October, and goals against Bodø/Glimt in the Europa League and Leeds United in the Premier League on 13 October and 16 October, respectively.
On 26 December 2022, Saka scored the equaliser in Arsenal's first match since the conclusion of the World Cup, a 3–1 win over West Ham United. He scored again in their next match against Brighton & Hove Albion, a 4–2 away victory. On 15 January 2023, Saka provided the assist for Martin Ødegaard's goal against Tottenham Hotspur as Arsenal sealed their first away league win against their rivals since 2014. A week later on 22 January, Saka scored from long-range in an eventual 3–2 home win over Manchester United. This goal was later voted as Arsenal's Goal of the Month for January 2023.
On 13 March 2023, Saka received the Men's Young Player of the Year award at the 2023 London Football Awards. He was then awarded the Premier League Player of the Month award for March 2023. On 23 May, Saka signed a long-term contract with Arsenal, committing him to the club until 2027. At the end of the season, he was nominated for the Premier League Player of the Season, Premier League Young Player of the Season, and FWA Footballer of the Year awards. Saka was named the PFA Young Player of the Year for the 2022–23 season.
On 12 August 2023, Saka's goal helped seal a 2–1 win over Nottingham Forest in Arsenal's first match of the 2023–24 season. On 26 August, Saka made his 83rd consecutive Premier League appearance for Arsenal against Fulham, which set a club record. On 20 September, he scored his first Champions League goal and provided an assist in a 4–0 win over PSV on his debut in the competition. On 28 October, Saka captained Arsenal for the first time in a 5–0 home win against Sheffield United. He made his 200th appearance for the club on 5 December 2023 in a 4–3 win over Luton Town at Kenilworth Road, becoming the fourth youngest Arsenal player to reach the milestone. On 11 February 2024, Saka surpassed 50 goals for Arsenal with a brace in a 6–0 away win over West Ham, becoming the youngest Arsenal player to do so in the Premier League.
On 4 October 2025, Saka made his 200th Premier League appearance for Arsenal in a 2–0 win over West Ham United, scoring a penalty — his 55th league goal and 100th goal involvement for the club in the competition. On 19 February 2026, he signed a new long-term contract with the club, reportedly until 2031. On 4 March 2026, he made his 300th appearance for Arsenal, scoring the winner in a 1–0 victory away to Brighton & Hove Albion. Later that year, on 5 May, he netted the goal in a 1–0 victory over Atlético Madrid in the Champions League semi-final second leg, securing his club's place in their first final for 20 years by winning 2–1 on aggregate. A few weeks later, on 18 May, he registered his 50th league assist from a corner in a 1–0 victory over Burnley, becoming the third player in the club's history to reach that milestone of goals and assists after Thierry Henry and Dennis Bergkamp. On the following day, Saka won his first Premier League title after Manchester City failed to beat Bournemouth, handing Arsenal their first Premier League title in 22 years.