$396 Cheap TAP Portugal flights Rome (FCO) to Washington (IAD)

Use the “Price (lowest to highest)” filter on Expedia to find cheap TAP Portugal round-trip flights from $487 from FCO to IAD. Affordable one-way fares from $396 are available too.**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.

January is one of the most affordable months to jet away to Washington with TAP Portugal. You could also find great deals on one-way and round-trip tickets in February.

Check for TAP Portugal flights from FCO to IAD about one month before you want to go. The most affordable time to reserve 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 and fare class, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Passengers who book 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 our “Nonstop” filter when looking for direct TAP Portugal flights from FCO to IAD. It’s also an easy way to compare other carriers offering the same nonstop journey.

To find the earliest departures from FCO to IAD with TAP Portugal, filter your results by “Morning” and “Early Morning.” Booking an early flight usually means you’ll experience 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.

Washington Dulles Intl. Airport (IAD) is the main Washington hub for TAP Portugal flights from Fiumicino - Leonardo da Vinci Intl. Airport (FCO).

On a standard economy flight with TAP Portugal from FCO to IAD, passengers can bring 2 checked-in bags up to 50 lb with dimensions no larger than 62 inches in total. For carry-on, you can have 1 cabin bag weighing up to 17 lb and measuring less than 45 inches. Size and weight restrictions may vary based on the airfare type and cabin class you’re in. To make sure you don’t get caught with extra charges at the airport, check your TAP Portugal booking or visit the airline’s website before packing.

It’s generally possible to cancel or change your flight, although additional charges may apply if you made your booking over 24 hours ago. Want to keep your options open? Make use of our “Changes included” and “No cancel fee” filters to find flights that won’t charge you extra if you need to revise your plans. To make changes, head to “Trips,” select your flight and click on “Manage Booking” for more information.