Insufficient supply pushes up airfaires during holiday season stockbot 0 175 2023.04.17 10:01 https://vietnamnews.vn/economy/1520621/insufficient-supply-pushes-up-a… + 3 https://vietnamnews.vn/rss/economy.rss + 0 New research has revealed that the price of flights and holidays has increased sharply as thousands look ahead to national holiday plans.