AirHint found the following cheapest return flights from Chicago (ORD) to Bangkok (BKK) in June 2026 (see full year).
Return flights
| 03 Jun - 10 Jun | Cathay Pacific | ||
| 08 Jun - 22 Jun | Air Canada | ||
| 03 Jun - 01 Jul | Air Canada | ||
| 17 Jun - 03 Jul | ITA Airways | ||
| 15 Jun - 22 Jun | Korean Air | ||
| 24 Jun - 03 Jul | Finnair | ||
| 26 Jun - 24 Jul | Finnair |
Also check the deals for one-way flights from Chicago to Bangkok in June.
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