AirHint found the following cheapest return flights from St. Louis (STL) to Rome (FCO) in June 2026 (see full year).
Return flights
| 09 Jun - 16 Jun | Air Canada | ||
| 24 Jun - 18 Jul | Air Canada | ||
| 14 Jun - 27 Jun | Air Canada | ||
| 13 Jun - 27 Jun | Air Canada | ||
| 13 Jun - 04 Jul | Air Canada |
Also check the deals for one-way flights from St. Louis to Rome in June.
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