Route guide
Cheap Flights from Seattle to Rome: Book Airline Tickets
- Distance
- about 5,670 mi
- Typical flight time
- 11 h 30 min – 12 h 30 min
- Airports
- 1 × 2
- Time difference
- 9 h ahead
This page covers the practical side of flying between Seattle and Rome: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Seattle to Rome is about 5,670 miles (9,120 km) and a typical flight takes 11 h 30 min to 12 h 30 min. Rome is 9 hours ahead of Seattle. Seattle has 1 airport to compare and Rome has 2.
Airport pairs to compare
Seattle's airport is connected to downtown by light rail, which makes arrival simple even at busy times. Rome's main airport is Fiumicino, southwest of the city, with a direct train to the central station.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| SEA to FCO | Seattle-Tacoma International | Leonardo da Vinci-Fiumicino |
| SEA to CIA | Seattle-Tacoma International | Ciampino |
About the airports
- SEA · Seattle-Tacoma International
Connected to downtown by Link light rail. - FCO · Leonardo da Vinci-Fiumicino
The main international airport, with a direct train to Roma Termini. - CIA · Ciampino
A smaller airport southeast of the city, used mostly by low-cost carriers.
Airlines with a major base at either end
- At Seattle: Delta Air Lines, Alaska Airlines
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Seattle
July through September is the driest and busiest period. From November to March it is rainy, and fares are often lower.
Rome
April to June and September to October are the most comfortable. August is hot, and Easter week is very busy.
International trip: you will need a valid passport, and possibly a visa or entry authorization. Our international checklist covers what to check.
How long is Seattle to Rome?
At about 5,670 miles, Seattle to Rome is a long-haul trip. Itineraries can be nonstop or can connect, and a connection can add many hours, so compare total travel time as well as price. Check seat, baggage and change rules before you pay.
Time zones and timing
Rome is 9 hours ahead of Seattle, so you land at a local time 9 hours later than departure time plus flight time would suggest. Plan your arrival day around local time at the destination. Check the arrival date on any overnight itinerary, since it can differ from the departure date. With a gap this large, many travelers plan a lighter first day.
Getting between the airport and town
Seattle: Link light rail runs from the airport to downtown in roughly 40 minutes.
Rome: The Leonardo Express train runs between Fiumicino and Roma Termini.
Planning ground transport too? See our car rental guide.
Good to know
- Check every airport pairing when you compare fares. Schedules and airline options can differ between them.
- Alaska cruises depart from the city roughly from spring through early fall, which can lift demand and hotel prices at that time.
- A valid passport is required. Italy is part of the Schengen area, so check the current official guidance on entry systems.
- International travel: check passport, visa and entry rules well before you pay. See our international checklist.
- Entry rules depend on your citizenship and can include a visa or an electronic travel authorization. Check the official guidance for the destination well before you pay.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying Rome to Seattle?
This route guide works in both directions. For other trips, see all flights from Seattle or all flights from Rome.
Frequently asked questions
How far is Seattle from Rome?
The straight-line distance between the main airports is about 5,670 miles (9,120 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Seattle to Rome?
A typical scheduled flight takes roughly 11 h 30 min to 12 h 30 min in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Seattle: SEA (Seattle-Tacoma International). At Rome: FCO (Leonardo da Vinci-Fiumicino), CIA (Ciampino). Ask for prices on more than one pairing.
Is there a time difference?
Rome is 9 hours ahead of Seattle.
When is the best time to fly from Seattle to Rome?
In Seattle: July through September is the driest and busiest period. From November to March it is rainy, and fares are often lower. In Rome: April to June and September to October are the most comfortable. August is hot, and Easter week is very busy. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Seattle to Rome?
Airlines with a major base at either end include Delta Air Lines and Alaska Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
What documents do I need?
A valid passport is required. Entry rules depend on your citizenship, so check the official guidance for the destination. See our international checklist.
Route details updated October 18, 2026.