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

Return flights

03 May - 25 May	Scoot
11 May - 18 May	Scoot
04 May - 23 May	Scoot
15 May - 29 May	Scoot
12 May - 20 May	Scoot
11 May - 20 May	Scoot
11 May - 30 May	Scoot
04 May - 15 May	Scoot
04 May - 25 May	Scoot
10 May - 14 May	Scoot
18 May - 10 Jun	Scoot
18 May - 18 Jun	Scoot
01 May - 30 Jun	Scoot
11 May - 08 Jun	Scoot
30 May - 08 Jun	Scoot
28 May - 25 Jun	Jetstar
30 May - 09 Jun	VietJet Air
30 May - 14 Jun	Vietnam Airlines
28 May - 25 Jun	Qantas	direct
18 May - 10 Jun	Qantas	direct

Also check the deals for one-way flights from Sydney 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 Sydney to Bangkok in May from 280€

Return flights