College and amateur Iloski played three years of
college soccer at the
University of California, Los Angeles, between 2016 and 2019, scoring 23 goals and tallying 6 assists in 46 appearances. Iloski also played with
USL League Two sides
FC Golden State Force and
Ogden City SC.
Real Salt Lake On January 15, 2020, Iloski signed as a
Homegrown Player for
Real Salt Lake of
Major League Soccer. Iloski made his professional debut on March 7, 2020, appearing for
Real Monarchs in the
USL Championship in a 1–0 loss to
San Antonio FC. Following the 2021 season, Iloski's contract option was declined by Salt Lake.
Orange County SC On February 22, 2022, Iloski signed with USL Championship club
Orange County SC. Iloski made his debut for OCSC on March 13, 2022, scoring the team's only goal in a 2–1 loss to
Colorado Springs Switchbacks FC. On May 17, 2022, Iloski was named USL Championship Player of the Week for Week 10 of the
2022 season in recognition of his hat-trick in OCFC's 5–1 win against
FC Tulsa. His hat-trick against Tulsa was the first in OCSC club history to be completed in a single half. On July 26, 2022, Iloski was named USL Championship Player of the Week for the second time during the 2022 season, this time for notching 2 goals and 2 assists during a 5–2 victory over
LA Galaxy II in Week 20.
FC Nordsjælland On September 12, 2023 it was confirmed, that Iloski would join
Danish Superliga side
FC Nordsjælland upon the opening of the winter transfer window on January 1, 2024. Iloski scored his first goal for the club in the friendly against
Los Angeles FC in the 3–1 win.
Loan to San Diego FC On April 2, 2025, Iloski signed for his hometown club
San Diego FC. On June 25, 2025, Iloski scored the first ever hat trick in
San Diego FC history against
Vancouver Whitecaps FC. On 15 July 2025, Iloski and San Diego mutually agreed to terminate his loan early to allow him to return to Nordsjælland.
Philadelphia Union On August 5, 2025, Iloski signed a permanent deal with
Philadelphia Union until 2027 after they acquired him after trading up the MLS Waiver Order from
CF Montréal. In exchange, Montréal received the 21st spot in the waiver order a guaranteed $100,000 in 2025 General Allocation Money and up to an additional $150,000 in conditional General Allocation Money. ==Career statistics==