Sanon teamed up with Vijan on two films in 2019, the first of which was cinematographer Laxman Utekar's Hindi directorial debut "Luka Chuppi", a satire on live-in relationships, which paired her opposite Kartik Aaryan. Devesh Sharma of "Filmfare" wrote, "Sanon is spontaneous throughout and seems to be finding her feet in comedy, having a gala time of it all in the process." A superhit, "Luka Chuppi" did a global accumulation of . She collaborated with Vijan again on Rohit Jugraj's spoof comedy "Arjun Patiala", starring Diljit Dosanjh as the titular character, which saw her play the role of a journalist who serves as the protagonist's love interest, and later teamed up with Nadiadwala after a special song appearance in "Kalank" on Farhad Samji's reincarnation comedy "Housefull 4", in which she played dual roles of a princess and the daughter of a rich London-based businessman, opposite Akshay Kumar. While the former was a critical and commercial failure, the latter emerged as a major commercial success despite unfavourable reviews. For her final appearance that year, she portrayed Parvatibai opposite Arjun Kapoor's Sadashivrao Bhau in Ashutosh Gowariker's period drama "Panipat", based on the Third Battle of Panipat. It ended up as a box-office bomb. That year, Sanon appeared in "Forbes India" Celebrity 100 list, ranking 38th with an estimated annual income of .