$681 Cheap Aer Lingus flights Boston (BOS) to Rome (FCO)

Finding cheap one-way Aer Lingus flights from BOS to FCO from $681 on Expedia is simple — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $580 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Aer Lingus flights to Rome tend to be cheaper in the quieter months of January and February. Whether you’re in search of a round-trip or one-way ticket, you could find a better deal then.

Look for Aer Lingus flights from BOS to FCO about one month before you want to leave. The most affordable time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your itinerary or fare class, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Travelers booking on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct journey from BOS to FCO with Aer Lingus or any other carriers, use our “Nonstop” filter when looking for flights.

Sort your results by “Morning” and “Early Morning” to see the earliest flights from BOS to FCO. Leaving early means you’re 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Aer Lingus flights from Logan Intl. Airport (BOS) to Rome come in to Fiumicino - Leonardo da Vinci Intl. Airport (FCO). This is the main gateway to this destination.

For checked luggage, you can bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches. You can also bring 1 cabin bag in the cabin when flying standard economy from BOS to FCO with Aer Lingus. This carry-on must weigh less than 22 lb and be no larger than 21 inches x 15 inches x 9 inches. Exceeding these restrictions can mean extra charges, so read Aer Lingus’s baggage allowance rules before you start packing.

Taking off from BOS to FCO with Aer Lingus means enjoying a host of perks, including a 4-star airline rating and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s on top of the Aer Lingus AerClub points you can earn with Aer Lingus.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of booking, but your airline may charge you after that. For more details about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to adjust your plans without additional charges, apply the “Changes included” or “No cancel fee” filter when planning your next escape.