$722 Cheap British Airways flights Rome (FCO) to Washington (IAD)

You’ll find affordable return British Airways flights from $663 from FCO to IAD by organizing your results from “Price (lowest to highest)” on Expedia. Or look for options from $722 for a one-way journey.**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.

British Airways flights to Washington are typically more affordable in the off-peak months of January and February. Whether you’re in search of a round-trip or one-way ticket, you could land a better deal then.

Look for British Airways flights from FCO to IAD about one month before you want to leave. The cheapest time to reserve an international flight is usually 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 an average of 17% 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.

Use the “Nonstop” filter when looking for direct British Airways flights from FCO to IAD. You can also compare other airlines offering the same direct trip.

Search British Airways’s earliest flights from FCO to IAD by selecting the “Morning” and “Early Morning” filters. Not only will you arrive sooner, early departures also experience 20% fewer 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.

British Airways flights from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington come in to Washington Dulles Intl. Airport (IAD). This is the main entry point here.

On a standard economy flight with British Airways from FCO to IAD, you can bring 1 checked-in bag up to 50 lb with dimensions no larger than 29 inches x 15 inches x 16 inches in total. For carry-on, you’re allowed 2 cabin bags weighing up to 50 lb and measuring no more than 19 inches x 9 inches x 17 inches. Weight and size allowances can differ based on your cabin class and airfare type. To make sure you don’t get caught with extra charges at the terminal, check your British Airways booking or visit the airline’s website before packing your bags.

With top-tier customer service and an excellent in-flight experience, British Airways is a popular option for many travelers heading from FCO to IAD. What’s more, if you’re a British Airways Executive Club and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of making a booking, but your airline may add a charge after that. For more details about altering your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to update your itinerary without being charged, tick the “Changes included” and “No cancel fee” filters when planning your next break.