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

Return flights

08 Jun - 15 Jun	Air Canada
01 Jun - 15 Jun	Air Canada
01 Jun - 10 Jun	Air Canada
01 Jun - 08 Jun	Air Canada
24 Jun - 13 Jul	Air Canada
14 Jun - 21 Jun	Air India
29 Jun - 31 Jul	SWISS
01 Jun - 28 Jul	Lufthansa
01 Jun - 31 Jul	Air Canada
01 Jun - 30 Jul	Lufthansa
11 Jun - 22 Jun	SWISS
02 Jun - 31 Jul	Lufthansa
05 Jun - 24 Jun	WestJet
19 Jun - 03 Jul	United
01 Jun - 04 Jul	Lufthansa
12 Jun - 23 Jun	WestJet
14 Jun - 13 Jul	Lufthansa
11 Jun - 25 Jun	SWISS
18 Jun - 25 Jun	SWISS
25 Jun - 06 Jul	Finnair

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

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 June from 867€

Return flights