AirHint found the following cheapest return flights from Seattle (SEA) to Rome (FCO) in January 2026 (see full year).

Return flights

22 Jan - 29 Jan	Icelandair
22 Jan - 05 Feb	Icelandair
14 Jan - 28 Jan	British Airways
11 Jan - 25 Jan	British Airways
25 Jan - 08 Feb	British Airways
10 Jan - 25 Jan	Icelandair
04 Jan - 31 Jan	Turkish Airlines
12 Jan - 19 Jan	United
02 Jan - 09 Jan	United

Also check the deals for one-way flights from Seattle to Rome in January.

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 Seattle to Rome in January from 493€

Return flights