AirHint found the following cheapest return flights from Lisbon (LIS) to Bangkok (DMK) in May 2026 (see full year).

Return flights

23 May - 04 Jun	TAP
23 May - 12 Jun	TAP
20 May - 24 May	Ryanair
19 May - 27 May	Etihad Airways
11 May - 23 May	Finnair
11 May - 25 May	Etihad Airways
19 May - 26 May	Emirates
20 May - 02 Jun	Iberia
04 May - 16 May	Etihad Airways
13 May - 18 May	Finnair
15 May - 21 May	Finnair
11 May - 18 May	Etihad Airways
01 May - 12 May	Turkish Airlines
07 May - 11 Jun	Emirates
16 May - 01 Jun	easyJet
22 May - 08 Jun	TAP
31 May - 10 Jun	Etihad Airways
25 May - 11 Jun	Qatar Airways
24 May - 10 Jun	Turkish Airlines

Also check the deals for one-way flights from Lisbon to Bangkok 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 Lisbon to Bangkok in May from $754

Return flights