Cheapest return flights from Bangkok to Barcelona in September from $666

Best time to book flights for Bangkok (BKK) to Barcelona (BCN) flights at AirHint

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

Return flights

18 Sep - 23 Sep Etihad Airways
08 Sep - 12 Sep Iberia
22 Sep - 28 Sep Etihad Airways
26 Sep - 04 Oct Etihad Airways
11 Sep - 19 Sep Etihad Airways
11 Sep - 21 Sep Etihad Airways
24 Sep - 05 Oct Iberia
25 Sep - 05 Oct Iberia
12 Sep - 22 Sep Etihad Airways
15 Sep - 06 Oct Qatar Airways
26 Sep - 05 Oct Iberia
27 Sep - 05 Oct Iberia
27 Sep - 12 Oct Etihad Airways
05 Sep - 16 Sep Etihad Airways
12 Sep - 19 Sep Iberia
12 Sep - 21 Sep Iberia
05 Sep - 19 Sep Etihad Airways
17 Sep - 15 Oct SWISS
24 Sep - 01 Oct Air Europa

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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