AirHint found the following cheapest return flights from Washington (IAD) to Rome (FCO) in October 2025 (see full year).

Return flights

21 Oct - 15 Nov	Scandinavian Airlines
09 Oct - 16 Oct	TAP
15 Oct - 21 Oct	TAP
14 Oct - 21 Oct	TAP
16 Oct - 21 Oct	TAP
09 Oct - 21 Oct	TAP
09 Oct - 14 Oct	TAP
03 Oct - 16 Oct	TAP
29 Oct - 15 Nov	TAP
14 Oct - 08 Nov	TAP
15 Oct - 08 Nov	Scandinavian Airlines
17 Oct - 08 Nov	Scandinavian Airlines
29 Oct - 22 Nov	Scandinavian Airlines
16 Oct - 08 Nov	Scandinavian Airlines
27 Oct - 12 Nov	Icelandair
07 Oct - 21 Oct	TAP
10 Oct - 14 Oct	TAP
17 Oct - 24 Oct	Scandinavian Airlines
23 Oct - 15 Nov	TAP
23 Oct - 04 Nov	Aer Lingus

Also check the deals for one-way flights from Washington to Rome in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Washington to Rome in October from 347€

Return flights