AirHint found the following cheapest return flights from Chicago (ORD) to Bangkok (BKK) in August 2026 (see full year).

Return flights

31 Aug - 09 Sep	Turkish Airlines
31 Aug - 15 Sep	Turkish Airlines
03 Aug - 26 Aug	United
04 Aug - 26 Aug	United
03 Aug - 12 Aug	Delta
01 Aug - 25 Aug	Delta
02 Aug - 19 Aug	Delta
09 Aug - 17 Aug	SWISS
25 Aug - 30 Aug	Delta

Also check the deals for one-way flights from Chicago to Bangkok 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.

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Cheapest return flights from Chicago to Bangkok in August from 660€

Return flights