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

Return flights

17 Nov - 24 Nov	Icelandair
25 Nov - 02 Dec	United
20 Nov - 27 Nov	Icelandair
11 Nov - 20 Nov	Lufthansa
05 Nov - 12 Nov	United
03 Nov - 17 Nov	Icelandair
30 Nov - 14 Dec	Iberia
10 Nov - 17 Nov	United
30 Nov - 07 Dec	United
23 Nov - 30 Nov	Aer Lingus
15 Nov - 22 Nov	United

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

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 November from 388€

Return flights