AirHint found the following cheapest return flights from Washington (IAD) to Split (SPU) in September 2026 (see full year).
Return flights
| 01 Sep - 12 Sep | Scandinavian Airlines | ||
| 04 Sep - 26 Sep | Scandinavian Airlines | ||
| 02 Sep - 08 Sep | Scandinavian Airlines | ||
| 02 Sep - 09 Sep | Scandinavian Airlines |
Also check the deals for one-way flights from Washington to Split in September.
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