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

Return flights

16 Mar - 26 Mar	Vueling Airlines
07 Mar - 21 Mar	Ryanair
02 Mar - 14 Mar	easyJet
02 Mar - 16 Mar	easyJet
11 Mar - 29 Mar	Vueling Airlines
06 Mar - 16 Mar	easyJet
10 Mar - 23 Mar	Vueling Airlines
05 Mar - 19 Mar	Vueling Airlines
12 Mar - 22 Mar	Vueling Airlines
11 Mar - 22 Mar	Vueling Airlines
13 Mar - 03 Apr	easyJet
21 Mar - 01 Apr	Ryanair
19 Mar - 01 Apr	Ryanair
28 Mar - 03 Apr	Ryanair
20 Mar - 04 Apr	Ryanair
25 Mar - 15 Apr	Ryanair
27 Mar - 06 Apr	Ryanair
28 Mar - 12 Apr	Ryanair
29 Mar - 13 Apr	easyJet
26 Mar - 06 Apr	Ryanair

Also check the deals for one-way flights from Porto to Bangkok 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 Bangkok in March from 567€

Return flights