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

Return flights

28 May - 16 Jun	Air China
11 May - 21 May	AirAsia X
11 May - 24 May	AirAsia X
04 May - 10 May	AirAsia X
10 May - 18 May	AirAsia X
01 May - 16 May	IndiGo
18 May - 22 May	IndiGo
16 May - 31 May	IndiGo
11 May - 22 May	IndiGo
13 May - 18 May	IndiGo
21 May - 31 May	IndiGo
22 May - 06 Jun	Gulf Air
22 May - 02 Jun	IndiGo
22 May - 01 Jun	Kuwait Airways
23 May - 02 Jun	Qatar Airways
22 May - 02 Jun	Vietnam Airlines	direct
23 May - 02 Jun	Vietnam Airlines	direct
28 May - 16 Jun	Vietnam Airlines	direct
22 May - 01 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 494€

Return flights