AirHint found the following cheapest return flights from Istanbul (IST) to Hanoi (HAN) in May 2026 (see full year).

Return flights

26 May - 04 Jun	Gulf Air
23 May - 07 Jun	Gulf Air
18 May - 26 May	AirAsia X
11 May - 17 May	AirAsia X
26 May - 02 Jun	Gulf Air
10 May - 16 May	AirAsia X
16 May - 30 May	Aegean Airlines
10 May - 22 May	AirAsia X
11 May - 22 May	AirAsia X
22 May - 06 Jun	Flynas
22 May - 01 Jun	IndiGo
08 May - 14 May	AirAsia X
08 May - 24 May	AirAsia X
15 May - 30 May	Air Arabia
09 May - 22 May	Air Arabia
25 May - 01 Jun	AirAsia X
27 May - 04 Jun	Vietnam Airlines	direct
25 May - 01 Jun	Vietnam Airlines	direct
23 May - 07 Jun	Vietnam Airlines	direct

Also check the deals for one-way flights from Istanbul to Hanoi in May.

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 Istanbul to Hanoi in May from 460€

Return flights