AirHint found the following cheapest return flights from Chicago (ORD) to Melbourne (MEL) in March 2026 (see full year).
Return flights
| 05 Mar - 19 Mar | Hawaiian Airlines | ||
| 19 Mar - 29 Mar | Frontier Airlines | ||
| 14 Mar - 14 Apr | Qantas | ||
| 15 Mar - 14 Apr | United | ||
| 05 Mar - 10 Mar | Frontier Airlines |
Also check the deals for one-way flights from Chicago to Melbourne in March.
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