Cheapest return flights from Chicago to Bangkok in October from 837€

Best time to book flights for Chicago (ORD) to Bangkok (BKK) flights at AirHint

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

Return flights

13 Oct - 20 Oct ANA
07 Oct - 15 Oct Cathay Pacific
28 Oct - 10 Nov Korean Air
15 Oct - 30 Oct Delta
30 Oct - 09 Nov Delta
24 Oct - 08 Nov Cathay Pacific
08 Oct - 18 Oct Cathay Pacific
05 Oct - 21 Oct Delta
08 Oct - 21 Oct Delta
10 Oct - 19 Oct Delta

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

Skyscanner

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