2 routes compared
Via Istanbul avoids warning areas — others on this route do not.
Via Istanbul flies about 520 km further than the straight line between these cities — roughly 42m longer. How we work this out
Based on official airspace warnings · checked 1h ago · How this works
Full breakdown →Active warnings and closures affecting these routes
Your Hanoi to Paris routing via Istanbul shows no active disruption in the airspace right now. Before booking, check with your airline and official sources for the latest conditions, as situations can change.
Route assessed 13h ago
Full breakdown →The top option avoids the warning area this route crosses.
The Hanoi to Paris routing via Dubai crosses two active warning areas in the Middle East. Before booking, check with your airline about current conditions and any potential delays or rerouting.
Part of this route goes through a flight warning area
Route assessed 13h ago
Full breakdown →We have fewer routes covered for this search than usual.
We score each route based on whether it flies near or through warning areas, how much longer it is, and how many reroute options exist — based on official flight warnings.
Some routes aren't covered yet — if yours is missing, that's a gap, not an assessment.
Scores compare route options; they are not safety ratings. Always check with your airline before booking.
Full explanation →For reference only · Check with your airline before booking