THAI Smile Airways would like you to experience the superior service in the Smile Plus or Premium Economy class in Indochina routes including Yangon, Vientiane, Luang Prabang, Phnom Penh and Siem Reap with a special promotion, starting at Bt13,855.

THAI Smile Airways celebrates Valentine's Day by offering passengers flying as a couple with superior services in the Smile Plus class seats as price for domestic routes starting at Bt3,000/person/trip, according to its press statement.