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

Return flights

16 May - 01 Jun	SWISS
06 May - 16 May	Vueling Airlines
20 May - 31 May	Ryanair
18 May - 28 May	Vueling Airlines
01 May - 16 May	easyJet
01 May - 30 Jun	SWISS
15 May - 31 May	Vueling Airlines
10 May - 16 May	easyJet
01 May - 10 May	easyJet
07 May - 22 May	SWISS
02 May - 11 May	SWISS
07 May - 15 May	Vueling Airlines
30 May - 14 Jun	easyJet
29 May - 14 Jun	Ryanair
30 May - 06 Jun	easyJet

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Lisbon to Bangkok in May from $703

Return flights