Yes, there are multiple flights from Vietnam to Keflavik for under 29,967,728₫. The cheapest flight booked recently is on British Airways for just 29,575,842₫, but on average you can expect to pay 34,762,564₫.
There are no direct flights from Vietnam to Keflavik, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
Airlines like Singapore Airlines and British Airways fly from Vietnam to Keflavik in about 28h 10m. The time it takes to get you to your destination can typically vary by up to 1h 30m. Both multi-stop and direct flights can be found to your destination and back.
Currently priced at 29,575,842₫, British Airways will fly you from Vietnam to Keflavik and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Singapore Airlines for as low as 37,367,452₫.