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

Return flights

16 Mar - 23 Mar	United
25 Mar - 20 Apr	United
16 Mar - 30 Mar	ANA
12 Mar - 24 Mar	Air India
12 Mar - 23 Mar	Air India
01 Mar - 15 Mar	ANA
17 Mar - 03 Apr	Turkish Airlines
14 Mar - 03 Apr	Turkish Airlines
27 Mar - 03 Apr	Turkish Airlines
11 Mar - 21 Mar	United

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

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 March from $696

Return flights