$490 Cheap Flights from Rome (FCO) to Santa Rosa (STS)

View $490 flight on Fri, Oct 24, 2025Opens in a new window

Popular airlines from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Rome to Santa Rosa (FCO-STS)

Prices were available within the past 7 days and start at $490 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Sonoma County Airport (STS) cost?
Lock in a cheap one-way flight from $490 or cheap return flight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Sonoma County Airport (STS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Sonoma County Airport (STS)?
is the cheapest month to fly from FCO to STS. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Sonoma County Airport (STS)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest FCO to STS flight.
How many flights per day from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Sonoma County Airport (STS)?
Nonstop flights from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Sonoma County Airport (STS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FCO to STS?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Sonoma County Airport (STS)?
To touch down at Sonoma County Airport (STS) on schedule, book a flight that takes off from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Sonoma County Airport (STS) last-minute?
Booking your ticket from FCO to STS just before your trip is typically more expensive. But if there's some wiggle room with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a FCO to STS flight and hotel package?
You'll generally save money by booking a FCO to STS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred flights and accommodations, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Sonoma County Airport (STS)?
Typically, you can cancel or reschedule your FCO to STS flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Origin airport
Fiumicino - Leonardo da Vinci Intl.
Destination airport
Sonoma County
Distance
6209 mi

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Rome to Santa Rosa Flights

The cheapest times to fly from Rome to Santa Rosa

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rome to Santa Rosa are during the month of . You can find some of the cheapest flights from Rome to Santa Rosa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rome to Santa Rosa

Sunday is one of the best days to book for cheap flights from Rome to Santa Rosa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rome to Santa Rosa

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rome to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $490 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rome to Santa Rosa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rome to Santa Rosa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Rome to Santa Rosa Flights

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*Available to One Key members.