AirHint found the following cheapest return flights from Rome (CIA) to Hanoi (HAN) in September 2025 (see full year).

Return flights

20 Sep - 23 Sep	Ryanair
07 Sep - 18 Sep	Ryanair
10 Sep - 24 Sep	Ryanair
08 Sep - 22 Sep	Ryanair
28 Sep - 08 Oct	Ryanair
29 Sep - 10 Oct	Ryanair
04 Sep - 18 Sep	Ryanair
04 Sep - 07 Sep	Ryanair
04 Sep - 11 Sep	Ryanair
26 Sep - 10 Oct	Ryanair
05 Sep - 12 Sep	Ryanair
29 Sep - 14 Oct	Ryanair
11 Sep - 25 Sep	Ryanair
22 Sep - 30 Sep	Ryanair
26 Sep - 14 Oct	Ryanair
28 Sep - 10 Oct	Ryanair
26 Sep - 05 Oct	Ryanair
28 Sep - 05 Oct	Ryanair
13 Sep - 14 Oct	Ryanair

Also check the deals for one-way flights from Rome to Hanoi in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Rome to Hanoi in September from $805

Return flights