The cheapest Stockholm to Hanoi return flight on the radar right now is €451, flying with Air China via one or more connections. It covers departures in November 2026, and every dated link below opens that exact ARN–HAN search on Skyscanner. The price we usually record on this route is €442. Across 84 recorded checks it has ranged between €388 and €2,870. Our sampling points to November 2026 as the cheapest month to fly Stockholm to Hanoi.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Stockholm? We track 58 other departure cities for Hanoi, listed at the foot of this page.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Stockholm to Hanoi is often still worth booking within a day or two of the fare we found.