Cheapest one-way flights from Bangkok to Barcelona in September from $287

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

One-Way flights

18 Sep Thai VietJet Air
25 Sep Thai VietJet Air
14 Sep Thai VietJet Air
27 Sep Thai Lion Air
23 Sep Thai VietJet Air
29 Sep Thai AirAsia
28 Sep Nok Air
30 Sep Thai AirAsia
21 Sep Thai VietJet Air
22 Sep Thai AirAsia

Also check the deals for return 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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