AirHint found the following cheapest return flights from Bangkok (BKK) to Oslo (OSL) in August 2025 (see full year).

Return flights

19 Aug - 26 Aug	Qatar Airways
20 Aug - 25 Aug	Qatar Airways
18 Aug - 26 Aug	Qatar Airways
18 Aug - 15 Sep	Qatar Airways
21 Aug - 25 Aug	Qatar Airways
23 Aug - 02 Sep	IndiGo
22 Aug - 29 Aug	IndiGo
22 Aug - 07 Sep	IndiGo
24 Aug - 29 Aug	Qatar Airways
17 Aug - 15 Sep	Qatar Airways
04 Aug - 27 Aug	IndiGo
08 Aug - 26 Aug	Finnair
04 Aug - 26 Aug	IndiGo
04 Aug - 17 Aug	IndiGo
22 Aug - 07 Sep	Thai Airways	direct
01 Aug - 01 Sep	Qatar Airways
15 Aug - 10 Sep	Emirates
18 Aug - 15 Sep	Thai Airways	direct
17 Aug - 15 Sep	Thai Airways	direct

Also check the deals for one-way flights from Bangkok to Oslo in August.

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 Bangkok to Oslo in August from $750

Return flights