AirHint found the following cheapest return flights from Porto (OPO) to Hanoi (HAN) in March 2026 (see full year).

Return flights

11 Mar - 22 Mar	TAP
19 Mar - 22 Mar	Ryanair
11 Mar - 21 Mar	Ryanair
10 Mar - 21 Mar	easyJet
07 Mar - 21 Mar	Ryanair
19 Mar - 02 Apr	Ryanair
10 Mar - 20 Mar	easyJet
09 Mar - 20 Mar	Wizz Air Malta
23 Mar - 26 Apr	Ryanair
26 Mar - 12 Apr	easyJet
27 Mar - 06 Apr	easyJet
27 Mar - 08 Apr	Ryanair
26 Mar - 11 Apr	easyJet
28 Mar - 11 Apr	Ryanair
26 Mar - 06 Apr	easyJet

Also check the deals for one-way flights from Porto to Hanoi in March.

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 Porto to Hanoi in March from $705

Return flights