On 15 April 2011, it was reported that Younghusband and his younger brother Phil announced that they will join San Beda for the 2011 National Club Championships under former national coach Aris Caslib. In the final, San Beda lost 3–0 to Teknika in the first leg. In the second leg, Younghusband scored from a free kick to make the score 2–0 to San Beda. San Beda, however, were not able to find a third a goal and Teknika won 3–2 on aggregate.
Meralco Manila
After the conclusion of the 2011 National Club Championship, he and his younger brother would be joining Loyola Agila on three-year deals. In a round of 16 match in the 2011–12 United Football Cup match, Younghusband scored his first goal for Loyola in a 14–0 win over Sunken Garden United. He scored his second goal in the semi-finals in a 5–4 victory over Kaya after being 3–0 down at half-time. Loyola lost the final 2–0 to Philippine Air Force. Younghusband scored his first league goal for Loyola in a 2–1 victory over Philippine Army. He then scored a brace in a 4–3 win against Global before adding another against Kaya. He then scored a hat-trick in a 14–0 thrashing of Philippine Navy. Leading 3–1, Younghusband received his first red card in the United Football League after a row with Air Force player Herbert Bayona after which Younghusband shoved Bayona. The sending off inspired Air Force to score twice in one minute to draw the match 3–3. When Loyola Meralco joined the Philippines Football League in 2017, it renamed itself as Meral Manila and Younghusband remained with the club.
Davao Aguilas
James Younghusband along with his brother was officially signed in by Davao Aguilas of the PFL in August 2017. The Younghusbands played for the club for two seasons until its dissolution by the end of the 2018 season.
Ceres Negros
After months of being without a club, James Younghusband was signed in by Ceres Negros of the PFL in August 2019. Younghusband announced his retirement on 25 June 2020. He initially planed to play for Ceres for at least the whole 2020 season but decided to retire earlier due to the league being postponed due to the COVID-19 pandemic.
International career
Early in 2005, the Philippine Football Federation was alerted by an anonymous video gamer regarding the eligibility of James and Phil Younghuband's to play for the Philippine national team, allegedly by finding out about their lineage via the Football Manager series. He and Phil, his younger brother, were eventually called up to the Southeast Asian nation's football squad, amidst much fanfare. Younghusband participated in the 2005 Southeast Asian Games, which was held in the Philippines. He also ensured the advancement of the Philippine team to the group stage of the 2012 AFC Challenge Cup qualification by scoring in the fourth minute of the away match against Mongolia in the qualifying play-off. Younghusband was a mainstay of the Philippine national team in the 2010s, with his last stint being the 2019 AFC Asian Cup.
International goals
Personal life
Younghusband was born in Ashford, Surrey, England to a British father and a Filipina mother. He is the brother of Philippine team forward Phil Younghusband. After his retirement from football, Younghusband plans to return to England with his sister Keri.