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

Return flights

08 Apr - 19 Apr	Iberia
01 Apr - 30 Apr	KLM
07 Apr - 13 Apr	KLM
18 Apr - 26 Apr	British Airways
02 Apr - 19 Apr	British Airways
09 Apr - 19 Apr	British Airways
11 Apr - 26 Apr	British Airways
09 Apr - 01 May	British Airways
16 Apr - 01 May	British Airways
14 Apr - 21 Apr	Finnair
12 Apr - 26 Apr	SWISS
16 Apr - 07 May	Finnair
24 Apr - 27 Apr	Finnair
07 Apr - 09 May	Finnair
17 Apr - 01 May	Emirates
27 Apr - 14 May	TAP

Also check the deals for one-way flights from Lisbon to Bangkok in April.

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 April from 670€

Return flights