AirHint found the following cheapest return flights from Bangkok (BKK) to Lisbon (LIS) in July 2025 (see full year).

Return flights

07 Jul - 12 Jul	Etihad Airways
01 Jul - 11 Jul	Iberia
29 Jul - 05 Aug	Thai AirAsia
15 Jul - 29 Jul	Air France
16 Jul - 29 Jul	Air France
20 Jul - 08 Aug	IndiGo
10 Jul - 14 Jul	IndiGo
21 Jul - 26 Jul	IndiGo
07 Jul - 14 Jul	IndiGo
28 Jul - 31 Jul	IndiGo
16 Jul - 23 Jul	SWISS
15 Jul - 27 Jul	SWISS

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

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 Bangkok to Lisbon in July from $798

Return flights