Cheapest return flights from Oslo to Bangkok in September from $598

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

Return flights

17 Sep - 24 Sep SWISS
02 Sep - 26 Sep SWISS
21 Sep - 12 Oct Austrian Airlines
23 Sep - 07 Oct Lufthansa
01 Sep - 15 Sep SWISS
05 Sep - 18 Sep Lufthansa
01 Sep - 15 Sep Thai Airways direct
01 Sep - 20 Sep Thai Airways direct
02 Sep - 26 Sep Thai Airways direct
23 Sep - 07 Oct Thai Airways direct
21 Sep - 12 Oct Thai Airways direct
04 Sep - 13 Sep Thai Airways

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

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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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