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

Return flights

08 Apr - 12 Apr	Air India
06 Apr - 19 Apr	Air India
08 Apr - 21 Apr	Air India
10 Apr - 19 Apr	Air India
01 Apr - 31 May	Turkish Airlines
15 Apr - 03 May	Air India
10 Apr - 21 Apr	Air India
12 Apr - 19 Apr	Air India
01 Apr - 12 Apr	Air India
12 Apr - 16 Apr	Air India
03 Apr - 12 Apr	Air India
03 Apr - 07 Apr	Air India
21 Apr - 03 May	Etihad Airways
24 Apr - 01 May	Etihad Airways

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

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 April from 639€

Return flights