The Finnish participating broadcaster, Yleisradio (Yle), organised the national final Uuden Musiikin Kilpailu 2024 in order to select its entry for the contest.

Yle confirmed their intentions to participate at the 2024 contest on 14 May 2023, announcing that its entry would again be selected through Uuden Musiikin Kilpailu.

The competition consisted of a final on 10 February 2024, held at Nokia Arena in Tampere and hosted by Pilvi Hämäläinen [fi], Benjamin and Viivi Pumpanen.

[2] At least one of the writers and the lead singer(s) had to hold Finnish citizenship or live in Finland permanently in order for the entry to qualify to compete.

performed by Windows95man was selected as the winner by a combination of public votes (75%) and seven international jury groups from Armenia, Luxembourg, Slovenia, Spain, Sweden, Ukraine and the United Kingdom (25%).

The executive producer for the competition, Anssi Autio [fi], clarified that, as UMK is independent from Eurovision, these declarations did not affect their status as participants, adding that Yle had devised a backup plan in the event that the winner did not agree to represent Finland at the contest.

[28] The eventual UMK winner Windows95man stated ahead of the show that he would take part in Eurovision in case of victory, although he also expressed his opposition to Israel's participation.

[31][30] However, in an interview following his victory, he expressed his uncertainty over his participation, with Autio stating that the broadcaster would resume discussions waiting for the artist's final decision; in case of refusal, runner-up Siipola was reported to be the potential second choice.

[33] While not mentioning Israel's participation in the contest, on 29 March 2024, Windows95man released a joint statement with other Eurovision 2024 entrants – namely Bambie Thug (Ireland), Gåte (Norway), Iolanda (Portugal), Megara (San Marino), Mustii (Belgium), Nemo (Switzerland), Olly Alexander (United Kingdom), Saba (Denmark) and Silvester Belt (Lithuania) – calling for "an immediate and lasting ceasefire" in Gaza as well as the return of the Israeli hostages held by Hamas.

[37] Ahead of the contest, Yle organised and broadcast for the fourth year in a row the Eurovision preview show Viisukupla – Eurovisionsbubblan; hosted by Katri Norrlin [fi] and Märta Westerlund, it consisted of two shows airing on Yle TV1 and Yle Areena on 28 April and 5 May 2024, and featured a panel composed of TV journalists Eva Frantz [fi; sv] and Mikko Silvennoinen alongside a number of guest artists, who discussed and evaluated the competing entries, ultimately decreeing a favourite[38] – namely Estonia's 5miinust and Puuluup with "(Nendest) narkootikumidest ei tea me (küll) midagi".

[39] In addition, as part of the Eurovision programming, Yle cooperated with DR and SVT alongside other EBU member broadcasters – namely ARD/WDR, the BBC, ČT, ERR, France Télévisions, NRK, NTR, RÚV and VRT – to produce and air a documentary titled ABBA – Against the Odds, on the occasion of the 50th anniversary of Sweden's first victory at the contest with "Waterloo" by ABBA.

[40] In Finland, all the shows of the contest were broadcast on Yle TV1 (with live commentary in Finnish by Mikko Silvennoinen and in Swedish by Eva Frantz and Johan Lindroos [sv]), as well as online via Yle Areena [fi; sv] (with additional commentary options in Inari Sámi by Heli Huovinen, Northern Sámi by Aslak Paltto [fi], and Russian for the first semi-final and the final by Levan Tvaltvadze).

[50] The Finnish jury consisted of Sanni Kurkisuo, Mikko Niemelä, Kaisa Rönkkö, Pekka Ruuska, and Marcus Sjöström.

Over the course of the contest, Finland awarded its 12 points to Croatia in the first semi-final, and to Switzerland (jury) and Israel (televote) in the final.

[52][53] Yle initially appointed Käärijä, who represented Finland in the 2023 contest, as its spokesperson to announce the Finnish jury's votes in the final.

Each participating broadcaster assembles a five-member jury panel consisting of music industry professionals who are citizens of the country they represent.