Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Vietnam to Poland as you normally would.
Emirates, Aeroflot, and Air China are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Yes, there are multiple flights from Vietnam to Poland for under 24,658,200 ₫. The cheapest flight booked recently is on Multiple Airlines for just 24,658,180 ₫, but on average you can expect to pay 28,524,280 ₫.
16,407,355 ₫ is the cheapest one-way deal found within the past few days, from Emirates. You may also be able to find cheap deals on Qatar Airways and China Southern, with prices starting from 16,501,650 ₫ and 16,996,700 ₫, respectively.