Cheapest one-way flights from Seattle to Rome in May from $293

Best time to book flights for Seattle (SEA) to Rome (FCO) flights at AirHint

AirHint found the following cheapest one-way flights from Seattle (SEA) to Rome (FCO) in May 2025 (see full year).

One-Way flights

19 May Icelandair
30 May WestJet
05 May Alaska Airlines
11 May Icelandair
14 May WestJet
08 May Alaska Airlines
02 May Alaska Airlines
18 May Alaska Airlines
15 May WestJet

Also check the deals for return flights from Seattle to Rome in May.

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.

Book a cheap hotel in Rome

Cheap car rent in Rome