Cheap flights from Seattle to Rome from $321

The cheapest month to fly to Rome Fiumicino Airport from Seattle is in February. Flight prices, which tend to average around $522, are often lower during this time because this is during the off-season. If you aren’t able to travel to Rome Fiumicino Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $541.

Our data shows that Tuesday is the least expensive day to fly to Rome Fiumicino Airport. Tickets to fly out on this day can be as low as $1,040. The most expensive day to fly to Rome Fiumicino Airport is Friday, with ticket prices averaging around $1,400.

According to our data, the cheapest time of day to fly to Rome Fiumicino Airport is at noon. momondo users have found flights departing from Seattle to Rome Fiumicino Airport at noon for as low as $1,154. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,332.

Fly from Seattle/Tacoma Intl to Rome Fiumicino for the best Seattle/Tacoma Intl - Rome Fiumicino flight prices

You are more likely to see cheaper flights to Rome Fiumicino Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Rome Fiumicino Airport for around $780 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rome Fiumicino Airport from Seattle for as low as $679 on momondo.

There are 4 cabin classes available to choose from on Seattle to Rome Fiumicino Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 5% on your flight if you consider stops on a Seattle to Rome Fiumicino Airport flight.

WestJet is the most popular carrier operating from Seattle/Tacoma Intl to Rome Fiumicino

Condor, Icelandair and Delta are the top three most popular airlines that fly to Rome Fiumicino Airport from Seattle according to our data. Condor is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Rome Fiumicino Airport. Keep in mind that there are 12 different airlines that fly to Rome Fiumicino Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between Seattle and Rome have experienced a delay on any given week. The average delay length over the past 12 months has been 122 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

Frankfurt am Main (FRA) was the most common stop: 54% of momondo users choosing 1-stop flights on this route connected there.

Flights via Dublin (DUB) offer the lowest average round-trip price of $640.

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 13h 00m.

Amsterdam (AMS) has the shortest average layover time for this route: 1h 10m.

As of August 2026, 2 flights take off from Seattle and land in Rome Fiumicino Airport each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.

19 flights are operational weekly from Seattle to Rome Fiumicino Airport as of August 2026. The most popular departure day for this route is Mon, with 21% of flights per week taking off on this day.