The defending champs are two wins away from back-to-back World Cup titles.
A brilliant strike from Julian Álvarez in the 112th minute led Argentina to a 3-1 extra-time win over Switzerland in the quarterfinals on Saturday.
Argentina moves on and will take on England in the semifinals on Wednesday.
Alexis Mac Allister opened the scoring for Argentina on a header from a Lionel Messi corner-kick delivery in the 10th minute.
Switzerland’s Dan Ndoye equalized the game at 1-1 in the 67th minute.
The Swiss were forced to play with 10 men for the last 48 minutes of the match after Breel Embolo was booked for a red card on a VAR review that penalized him with his second yellow card in the 72nd minute. Embolo picked up his first yellow card in the 44th minute.