AirHint found the following cheapest return flights from Newcastle (NCL) to Bangkok (BKK) in June 2026 (see full year).

Return flights

08 Jun - 24 Jun	British Airways
17 Jun - 24 Jun	British Airways
02 Jun - 07 Jun	British Airways
01 Jun - 08 Jun	British Airways
04 Jun - 05 Jul	British Airways
03 Jun - 02 Jul	Ryanair
22 Jun - 02 Jul	Ryanair
10 Jun - 17 Jun	British Airways
03 Jun - 17 Jun	British Airways
03 Jun - 24 Jun	British Airways
03 Jun - 01 Jul	British Airways
05 Jun - 01 Jul	British Airways
01 Jun - 17 Jun	Lufthansa
08 Jun - 22 Jun	Lufthansa
01 Jun - 22 Jun	Lufthansa
04 Jun - 02 Jul	Ryanair
04 Jun - 06 Jul	Lufthansa
06 Jun - 06 Jul	Lufthansa
06 Jun - 02 Jul	KLM
07 Jun - 05 Jul	Ryanair

Also check the deals for one-way flights from Newcastle to Bangkok in June.

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 Newcastle to Bangkok in June from 518€

Return flights