AirHint found the following cheapest one-way flights from Chicago (ORD) to Bangkok (BKK) in August 2025 (see full year).

One-Way flights

06 Aug	Cathay Pacific
07 Aug	Cathay Pacific
25 Aug	Air India
18 Aug	Air India
05 Aug	Cathay Pacific
28 Aug	Cathay Pacific
26 Aug	Cathay Pacific
13 Aug	Cathay Pacific
14 Aug	Cathay Pacific
10 Aug	Cathay Pacific

Also check the deals for return 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest one-way flights from Chicago to Bangkok in August from 305€

One-Way flights