Cheap flights
Sofia → Hanoi
From €395 one-way — cheapest in January. 7,848 km, with connections, 2 airlines seen.
When is Hanoi cheapest?
Lowest one-way price per month among fares travellers found recently (updated 4 val ago). Tap a month to check the live price.
Airlines seen: FR · PC
Same destination, January, from airports within ~700 km.
Sorted before you land in Hanoi
Some airlines ask for proof of onward travel.
A real airline reservation for your next hop — verifiable on the airline’s website, no ticket bought, expires automatically. €9.99 per traveller.
Sofia → Hanoi: good to know
What is the cheapest month to fly from Sofia to Hanoi?
In the fares travellers found recently, January 2027 was cheapest, from €395 one-way. Prices change daily — the live search shows the bookable price.
Are there direct flights from Sofia to Hanoi?
Not in recent fares — expect at least one connection. Flying from a nearby hub can add direct options.
How long is the flight from Sofia to Hanoi?
The fastest itinerary seen recently took about 12h 40m door to door (the distance is 7,848 km).
Is it cheaper to fly to Hanoi from another city?
Sometimes. Recently Budapest had fares from €316 — compare in the table below.
Do I need proof of onward travel for Vietnam?
Some airlines ask travellers on one-way tickets to show onward travel at check-in. Rules depend on your passport — check the IATA Travel Centre. A real onward reservation costs €9.99 per traveller.