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

Return flights

27 May - 26 Jun	Austrian Airlines
04 May - 25 May	Finnair
23 May - 10 Jun	Finnair
01 May - 08 May	Finnair
01 May - 24 May	Emirates
04 May - 25 May	Thai Airways	direct
01 May - 08 May	Thai Airways	direct
27 May - 26 Jun	Thai Airways	direct
23 May - 10 Jun	Thai Airways	direct

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

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 May from $583

Return flights