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

Return flights

22 Aug - 04 Sep	Hainan Airlines
25 Aug - 01 Sep	Hainan Airlines
25 Aug - 28 Aug	China Eastern
26 Aug - 28 Aug	IndiGo
18 Aug - 31 Aug	China Eastern
20 Aug - 19 Sep	China Eastern
29 Aug - 07 Sep	IndiGo
19 Aug - 28 Aug	China Eastern
19 Aug - 24 Sep	China Eastern
21 Aug - 28 Aug	China Eastern
19 Aug - 15 Sep	China Eastern
23 Aug - 02 Sep	IndiGo
24 Aug - 26 Sep	IndiGo
20 Aug - 22 Aug	IndiGo
18 Aug - 27 Aug	IndiGo
29 Aug - 09 Sep	Thai Airways	direct
29 Aug - 07 Sep	Thai Airways	direct
22 Aug - 27 Aug	Thai Airways	direct
21 Aug - 28 Aug	Thai Airways	direct
25 Aug - 28 Aug	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.

Book a cheap hotel in Oslo

Cheap car rent in Oslo

Cheapest return flights from Bangkok to Oslo in August from 639€

Return flights