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

Return flights

09 Mar - 17 Mar	Delta
03 Mar - 17 Mar	Delta
03 Mar - 18 Mar	Delta
03 Mar - 19 Mar	Delta
08 Mar - 18 Mar	Delta
02 Mar - 17 Mar	Delta
02 Mar - 18 Mar	Delta
09 Mar - 11 Mar	Delta
12 Mar - 23 Mar	Delta
01 Mar - 17 Mar	Delta
26 Mar - 05 Apr	Delta
30 Mar - 17 Apr	Korean Air
28 Mar - 18 Apr	Delta
29 Mar - 18 Apr	Delta
30 Mar - 18 Apr	Korean Air
31 Mar - 18 Apr	Delta
27 Mar - 18 Apr	Delta

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 $807

Return flights