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

Return flights

14 May - 28 May	Qatar Airways
18 May - 03 Jun	Qatar Airways
01 May - 05 Jun	Finnair
21 May - 18 Jun	Qatar Airways
14 May - 28 May	Thai Airways	direct
18 May - 03 Jun	Thai Airways	direct
01 May - 05 Jun	Thai Airways	direct
21 May - 18 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 $600

Return flights