
$422 Cheap Aer Lingus flights from Seattle to Rome (SEA to FCO)
Find The Best Day To Fly from Seattle to Rome
Amazing Aer Lingus SEA to FCO Flight Deals
The cheapest flights to Fiumicino - Leonardo da Vinci Intl. found within the past 7 days were $492 round trip and $422 one way. Prices and availability subject to change. Additional terms may apply.
FCO From SEA Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best Aer Lingus flight from Seattle SEA to Rome FCO
To find the best deals on flights to Seattle from Rome with Aer Lingus, just enter your travel dates, filter by Aer Lingus, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Seattle SEA to Rome FCO with Aer Lingus
If you’re planning a round trip, booking return flights with Aer Lingus is usually the most cost-effective option. With airfares ranging from $492 to $492, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Aer Lingus flights from Seattle SEA to Rome FCO
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Aer Lingus flight from Seattle to Rome costs from $422. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Rome FCO from Seattle SEA with Aer Lingus
To find a cheap Aer Lingus flight from Seattle SEA to Rome FCO, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on Aer Lingus flights from Seattle SEA to Rome FCO
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as November, or if you book a flight with a stopover.
Find nonstop flights from Seattle SEA to Rome FCO with Aer Lingus
If you’re keen to be on Rome soil fast, don’t waste time with a stopover—filter your search results to show direct Aer Lingus flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Aer Lingus flights from Seattle SEA to Rome FCO
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Rome FCO from Seattle SEA with Aer Lingus on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
ORD | USA | O'Hare Intl. | 43 |
DUB | IRL | Dublin | 16 |
LHR | GBR | Heathrow | 7 |
BOS | USA | Logan Intl. | 7 |
JFK | USA | John F. Kennedy Intl. | 5 |
MSN | USA | Dane County Regional | 4 |
IAH | USA | George Bush Intercontinental | 4 |
LAX | USA | Los Angeles Intl. | 3 |
STL | USA | Lambert-St. Louis Intl. | 3 |
GRR | USA | Gerald R. Ford Intl. | 3 |
Travelers ❤️ these 🏨 after their flight to Rome

Hilton Rome Airport
Reviewed on Jul 31, 2025

Hilton Garden Inn Rome Airport
Reviewed on Jul 30, 2025

Air Rooms Rome Airport by HelloSky
Reviewed on Jul 30, 2025
Popular Aer Lingus Flight Routes from SEA
Top Aer Lingus Flight Routes from FCO
Top Flights for Aer Lingus originating from SEA
Domestic
- Newark Liberty Intl. Airport to Paris (EWR - CDG)
- New York to London (JFK - LHR)
- New York to Rome (JFK - FCO)
- Chicago to Paris (ORD - CDG)
- Boston to London (BOS - LHR)
- Los Angeles to Paris (LAX - CDG)
- New York to Madrid (JFK - MAD)
- New York to Barcelona (JFK - BCN)
- Newark Liberty Intl. Airport to London (EWR - LCY)
- Chicago to London (ORD - LHR)
International
- Newark Liberty Intl. Airport to Paris (EWR - CDG)
- Los Angeles to Rome (LAX - FCO)
- New York to Rome (JFK - FCO)
- San Francisco to London (SFO - LHR)
- Chicago to Paris (ORD - CDG)
- Newark Liberty Intl. Airport to Rome (EWR - FCO)
- Newark Liberty Intl. Airport to Paris (EWR - CDG)
- Los Angeles to London (LAX - LHR)
- Washington to London (IAD - LHR)
- New York to Madrid (JFK - MAD)
Most Popular
- PHL to MIA Flights
- JetBlue Airways Boston (BOS) to Orlando (MCO) flights
- JetBlue Airways Orlando (MCO) to Las Vegas (LAS) flights
- BOS to MIA Flights
- American Airlines Dallas (DFW) to Las Vegas (LAS) flights
- JetBlue Airways Boston (BOS) to Las Vegas (LAS) flights
- JFK to FLL Flights
- BWI to LAS Flights
- DFW to ATL Flights
- BOS to LAX Flights
- PHL to ATL Flights
- Delta Atlanta (ATL) to Las Vegas (LAS) flights
- DFW to MCO Flights
- LAX to DFW Flights
- ORD to DFW Flights
- DFW to DEN Flights
- DFW to ORD Flights
- BOS to DCA Flights
- Delta Minneapolis - St. Paul (MSP) to Las Vegas (LAS) flights
- PDX to LAS Flights
- PHL to TPA Flights
- PHL to MCO Flights
- LAX to BOS Flights
- JetBlue Airways Boston (BOS) to San Juan (SJU) flights
- Delta Detroit (DTW) to Las Vegas (LAS) flights
- ATL to DFW Flights
- DFW to MIA Flights
- CLE to MCO Flights
- LAX to SEA Flights
- DFW to LAX Flights