Here are some romantic pickup lines in Spanish that are cheesy but cute, and might spark a conversation:

Lines with compliments:

• Me gusta mucho tu sonrisa. ¿Te la puedo prestar para alegrarme el día? (I really like your smile. Can I borrow it to brighten my day?)
• Tus ojos son como estrellas. ¿Te importaría iluminar mi noche? (Your eyes are like stars. Would you mind lighting up my night?)
• ¿Tienes un mapa? Me acabo de perder en tus ojos. (Do you have a map? I just got lost in your eyes.)

Lines with a touch of humor:

• Si un abrazo fuera felicidad, te daría uno ahora mismo. (If a hug were happiness, I'd give you one right now.) [playful]
• ¿Cree en el amor a primera vista? O debería caminar de nuevo? (Do you believe in love at first sight? Or should I walk by again?)
• No soy fotógrafo, pero puedo imaginarnos juntos. (I'm not a photographer, but I can picture us together.)

Lines mentioning fate or chance:

• Creo que el destino nos acaba de juntar. (I think fate just brought us together.)
• Tenía que hablarte. Dice la gente que hay que aprovechar las oportunidades. (I had to talk to you. People say you have to seize opportunities.)
• Estaba buscando a la chica más guapa del lugar, y aquí estás tú. (I was looking for the prettiest girl in the place, and here you are.)

Important Tips:

• Confidence is key: Deliver the line with confidence and a smile, even if you're a little nervous.
• Read the situation: Pay attention to her body language and comfort level. If she seems uninterested, don't be pushy.
• Be respectful: These lines are meant to be lighthearted and fun. Avoid anything overly cheesy or disrespectful.
• Focus on conversation: The pickup line is just a starter. Be prepared to have a genuine conversation and get to know her