Cheapest return flights from Seattle to Rome in December from 431€

AirHint found the following cheapest return flights from Seattle (SEA) to Rome (FCO) in December 2025 (see full year).

Return flights

02 Dec - 16 Dec British Airways
08 Dec - 15 Dec Icelandair
05 Dec - 19 Dec Iberia
26 Dec - 09 Jan British Airways
03 Dec - 10 Dec United
23 Dec - 06 Jan Alaska Airlines
13 Dec - 20 Dec United
23 Dec - 30 Dec United
18 Dec - 25 Dec United

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

Skyscanner

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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