Cheapest return flights from Bangkok to Barcelona in September from $640

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

Return flights

28 Sep - 12 Oct IndiGo
28 Sep - 19 Oct IndiGo
29 Sep - 30 Oct IndiGo
20 Sep - 27 Sep Turkmenistan Airlines
21 Sep - 28 Sep Etihad Airways
17 Sep - 01 Oct ITA Airways
17 Sep - 21 Sep ITA Airways
20 Sep - 22 Sep Turkmenistan Airlines
28 Sep - 18 Oct Etihad Airways
30 Sep - 01 Oct Kuwait Airways
18 Sep - 22 Sep Iberia
17 Sep - 20 Sep Iberia
17 Sep - 23 Sep KLM
26 Sep - 03 Oct Iberia
21 Sep - 25 Sep KLM
27 Sep - 19 Oct Kuwait Airways
26 Sep - 04 Oct Emirates
21 Sep - 10 Oct Emirates

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

Skyscanner

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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