AirHint found the following cheapest return flights from Alicante (ALC) to Bangkok (BKK) in September 2025 (see full year).

Return flights

30 Sep - 30 Oct	Ryanair
30 Sep - 29 Oct	Ryanair
15 Sep - 06 Oct	Wizz Air
12 Sep - 19 Sep	Ryanair
12 Sep - 07 Oct	Ryanair
17 Sep - 07 Oct	Ryanair
22 Sep - 28 Sep	Ryanair
03 Sep - 24 Sep	Ryanair
15 Sep - 05 Oct	Wizz Air
08 Sep - 23 Sep	Ryanair
17 Sep - 11 Oct	Wizz Air
09 Sep - 21 Sep	Ryanair
03 Sep - 23 Sep	Ryanair
03 Sep - 25 Sep	Ryanair
25 Sep - 28 Sep	Wizz Air Malta
08 Sep - 30 Sep	Ryanair
26 Sep - 22 Oct	Ryanair
02 Sep - 22 Sep	Air Europa
21 Sep - 06 Oct	KLM
14 Sep - 07 Oct	Air Europa

Also check the deals for one-way flights from Alicante to Bangkok in September.

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 Alicante to Bangkok in September from $629

Return flights