Cheapest return flights from Bangkok to Barcelona in September from $662

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

17 Sep - 01 Oct Qatar Airways
17 Sep - 29 Sep Qatar Airways
17 Sep - 24 Sep Qatar Airways
17 Sep - 05 Oct Qatar Airways
13 Sep - 01 Oct Qatar Airways
16 Sep - 04 Oct Qatar Airways
13 Sep - 24 Sep Qatar Airways
14 Sep - 24 Sep Qatar Airways
13 Sep - 25 Sep Qatar Airways
15 Sep - 28 Sep Qatar Airways
14 Sep - 25 Sep Qatar Airways
08 Sep - 16 Sep Iberia
20 Sep - 27 Sep Qatar Airways
26 Sep - 03 Oct Iberia
09 Sep - 27 Sep Iberia
27 Sep - 11 Oct Finnair

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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