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

Return flights

16 Feb - 24 Feb	Air India
01 Feb - 30 Mar	Air India
16 Feb - 26 Feb	Air India
06 Feb - 15 Feb	Air India
08 Feb - 17 Feb	Air India
15 Feb - 22 Feb	Air India
04 Feb - 25 Feb	Korean Air
18 Feb - 25 Feb	Korean Air
24 Feb - 05 Mar	Korean Air
11 Feb - 18 Feb	ANA
10 Feb - 24 Mar	Etihad Airways
19 Feb - 15 Mar	Delta
07 Feb - 20 Feb	Etihad Airways
07 Feb - 15 Feb	IndiGo
28 Feb - 15 Mar	Delta
20 Feb - 16 Mar	Delta
20 Feb - 15 Mar	Delta

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

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 February from 647€

Return flights