Formal:
* ສະບາຍດີ (Sa-bai-dee) - This is the most common greeting and farewell, meaning "good health" or "well-being." It's appropriate for all situations.
* ລາ (La) - This means "goodbye" and is a more formal farewell than "Sa-bai-dee."
* ຂໍຂອບໃຈ (Khor-khop-jai) - This means "thank you" and can also be used as a polite way of saying goodbye.
Informal:
* ໄປແລ້ວ (Pai-laeow) - This means "going now" and is a casual farewell.
* ເບິ່ງແຍງຕົນເອງ (Bæng-yæng-ton-eng) - This means "take care of yourself" and is a friendly farewell.
* ພົບກັນໃໝ່ (Phôp-gan-mai) - This means "see you again" and is a good way to say goodbye to someone you'll be seeing again soon.
Remember:
* Lao people often use gestures like a slight bow of the head or a wave of the hand when saying goodbye.
* It's considered polite to smile when saying goodbye.
No matter which phrase you choose, be sure to say it with a friendly and sincere tone.