AirHint found the following cheapest return flights from Indianapolis (IND) to Porto (OPO) in November 2025 (see full year).
Return flights
| 20 Nov - 24 Nov | Spirit Airlines | ||
| 19 Nov - 13 Dec | SWISS | ||
| 20 Nov - 27 Nov | Delta | ||
| 20 Nov - 13 Dec | Spirit Airlines | ||
| 20 Nov - 23 Nov | Spirit Airlines | ||
| 21 Nov - 23 Nov | Spirit Airlines |
Also check the deals for one-way flights from Indianapolis to Porto in November.
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