Chanathip Songkrasin started his international stage with Thailand national under-20 football team, he played latest in 2012 AFC U-19 Championship.

In the top level, Chanathip was first called up by Thailand national team head coach Winfried Schäfer to compete in the 2012 King's Cup, and debuted in this tournament.
He continued to be called to 2012 AFF Suzuki Cup squad.
At 19 years old, he was the youngest player who called by Winfried Schäfer.

In February 2013 he scored his first goal for the first team against Kuwait in the 2015 AFC Asian Cup qualification which ended up 1-3 lost against Kuwait.
After that game, he scored another goal in a friendly match against China.

He represented Thailand U23 in the 2015 Southeast Asian Games.
Chanathip played for Thailand U23 in the 2014 Asian Games.

In 2014, Chanathip was a part of Thailand's winning squad for the 2014 AFF Suzuki Cup.
During the tournament Chanathip scored the first goal in the 3–0 win over the Philippines in the semi-finals and assisted second goal for Kroekrit Thaweekarn in a 2–0 victory over Malaysia in the first leg of the final.
He also scored the last goal in the second leg to cement Thailand's place on the trophy.
Afterwards he was named best player of the tournament and became the youngest AFF Suzuki Cup MVP at the age of 21.

In May 2015, he was called up by Thailand to play in the 2018 FIFA World Cup qualification (AFC) against Vietnam.

Chanathip won the 2015 Southeast Asian Games with Thailand U23.

In December 2016, Chanathip again led Thailand to the title of 2016 AFF Championship, the fifth title of his nation.
He was also awarded another Most Valuable Player and became the first player to win it twice.
Chanathip Songkrasin started his international stage with Thailand national under-20 football team, he played latest in 2012 AFC U-19 Championship.
In the top level, Chanathip was first called up by Thailand national team head coach Winfried Schäfer to compete in the 2012 King's Cup, and debuted in this tournament. He continued to be called to 2012 AFF Suzuki Cup squad. At 19 years old, he was the youngest player who called by Winfried Schäfer.
In February 2013 he scored his first goal for the first team against Kuwait in the 2015 AFC Asian Cup qualification which ended up 1-3 lost against Kuwait. After that game, he scored another goal in a friendly match against China.
He represented Thailand U23 in the 2015 Southeast Asian Games. Chanathip played for Thailand U23 in the 2014 Asian Games.
In 2014, Chanathip was a part of Thailand's winning squad for the 2014 AFF Suzuki Cup. During the tournament Chanathip scored the first goal in the 3–0 win over the Philippines in the semi-finals and assisted second goal for Kroekrit Thaweekarn in a 2–0 victory over Malaysia in the first leg of the final. He also scored the last goal in the second leg to cement Thailand's place on the trophy. Afterwards he was named best player of the tournament and became the youngest AFF Suzuki Cup MVP at the age of 21.
In May 2015, he was called up by Thailand to play in the 2018 FIFA World Cup qualification (AFC) against Vietnam.
Chanathip won the 2015 Southeast Asian Games with Thailand U23.
In December 2016, Chanathip again led Thailand to the title of 2016 AFF Championship, the fifth title of his nation. He was also awarded another Most Valuable Player and became the first player to win it twice.
Chanathip Songkrasin