AirHint found the following cheapest return flights from Oakland (OAK) to Bangkok (BKK) in October 2025 (see full year).

Return flights

15 Oct - 22 Oct	Korean Air
28 Oct - 11 Nov	Korean Air
21 Oct - 06 Nov	Korean Air
29 Oct - 05 Nov	Korean Air
21 Oct - 28 Oct	Korean Air
30 Oct - 23 Nov	Korean Air
27 Oct - 05 Nov	Korean Air
08 Oct - 31 Oct	EVA Air
01 Oct - 17 Oct	EVA Air
02 Oct - 10 Oct	Qatar Airways
02 Oct - 13 Oct	Qatar Airways
29 Oct - 14 Nov	Korean Air
01 Oct - 18 Oct	Qatar Airways
03 Oct - 12 Oct	Qatar Airways
03 Oct - 18 Oct	Qatar Airways
05 Oct - 03 Nov	Japan Airlines

Also check the deals for one-way flights from Oakland to Bangkok in October.

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 Oakland to Bangkok in October from $711

Return flights