Cheapest return flights from Porto to Bangkok in May from $693

AirHint found the following cheapest return flights from Porto (OPO) to Bangkok (BKK) in May 2026 (see full year).

Return flights

13 May - 26 May SWISS
13 May - 03 Jun SWISS
14 May - 28 May SWISS
16 May - 23 May TAP
10 May - 19 May Aegean Airlines
09 May - 23 May Ryanair
09 May - 22 May Ryanair
01 May - 15 May SWISS
01 May - 10 May Ryanair

Also check the deals for one-way flights from Porto to Bangkok in May.

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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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