The cheapest Prague to Hanoi return flight on the radar right now is €587, flying with Etihad Airways + Qatar Airways via one or more connections. It covers departures in November 2026, and every dated link below opens that exact PRG–HAN search on Skyscanner. That is roughly 14% below the €685 this route usually costs. Across 86 recorded checks it has ranged between €521 and €806. Our sampling points to November 2026 as the cheapest month to fly Prague to Hanoi.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from Prague? We track 60 other departure cities for Hanoi, listed at the foot of this page.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; Prague to Hanoi is usually still decent value around the same window.