AirHint found the following cheapest return flights from Oslo (OSL) to Bangkok (BKK) in August 2026 (see full year).

Return flights

18 Aug - 19 Sep	Finnair
12 Aug - 13 Sep	Finnair
22 Aug - 10 Sep	Finnair
26 Aug - 03 Sep	SWISS
21 Aug - 28 Aug	Finnair
17 Aug - 28 Aug	Finnair
01 Aug - 02 Sep	Pegasus Airlines
15 Aug - 30 Aug	Finnair
01 Aug - 19 Aug	Pegasus Airlines
02 Aug - 20 Aug	Emirates
17 Aug - 29 Aug	Emirates
06 Aug - 20 Aug	Pegasus Airlines
08 Aug - 17 Aug	Emirates
18 Aug - 19 Sep	Thai Airways	direct
22 Aug - 10 Sep	Thai Airways	direct
21 Aug - 28 Aug	Thai Airways	direct
17 Aug - 28 Aug	Thai Airways	direct
01 Aug - 02 Sep	Thai Airways	direct

Also check the deals for one-way flights from Oslo to Bangkok 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 Oslo to Bangkok in August from $630

Return flights