He made his debut for the club on 13 April 2014, becoming the youngest player to play in the Tippeligaen, and became its youngest goalscorer on 16 May.
Ødegaard made his international debut for Norway against the United Arab Emirates on 27 August 2014, becoming the youngest debutant for the senior team at the age of 15 years and 253 days. On 13 October he became the youngest player to feature in a qualifier for the UEFA European Championship.
Ødegaard played for the Norway national under-17 football team in a tournament with Scotland, the United States and France in Turkey in January 2014.
In September 2014, he was selected for Norway Under-21 for the final match of the 2015 UEFA European Under-21 Championship qualification. He played the full match against Portugal, as a forward, but was unable to prevent the opponents from winning 2–1.
On 19 August 2014, he was called up for a senior international against the United Arab Emirates in Stavanger and played the entire goalless draw on 27 August, becoming the youngest player to play for Norway at senior level, at 15 years and 253 days. The record was previously held since 1910 by Tormod Kjellsen, who was 15 years and 351 days on his debut.
On 30 September 2014, he was called up to Norway's European Championship qualification matches against Malta and Bulgaria. He made his competitive debut in the latter, replacing Mats Møller Dæhli in the 64th minute of a 2–1 home win. At the age of 15 years and 300 days, this made him the youngest player to ever play in the European Championship qualification.
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