Flights from Fiumicino - Leonardo da Vinci Intl. (FCO) to Seattle - Tacoma Intl. (SEA) starting at $543

For info on any current Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Look before you arrange your flight, so you don't get caught up en route.

Prepare for a stopover when jetting from Rome Airport (FCO-Fiumicino - Leonardo da Vinci Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). No direct flights are available on this route, however Delta, American Airlines and British Airways will get you to your destination as swiftly as possible.

For more info about changing your flight to Sea-Tac Airport, please visit our Customer Service Portal.

It takes roughly 16 hours and 5 minutes to travel from Fiumicino Airport to Sea-Tac Airport. For this long-haul flight, you'll want to be as comfortable as possible. Consider bringing a neck pillow for better sleep, packing a few healthy snacks and wearing comfortable shoes and clothing.

You'll have traversed 7,270 mi by the time you've pulled away from the gate at Fiumicino - Leonardo da Vinci Intl. Airport (FCO) and landed smoothly at Sea-Tac Airport. Remember to bring lots to keep you entertained — it'll be a long flight.

You'll have to make at least one stopover if you're on your way from Fiumicino Airport to SEA, as no airlines offer direct flights on this route. Get the most out of your layover by freshening up, stretching your legs and having a shop.

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with Alaska Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.