$2,103 Cheap Brussels Airlines flights Frankfurt (FRA) to Washington (IAD)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap Brussels Airlines round-trip flights from $515 from FRA to IAD. Affordable one-way tickets from $2,103 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.

Brussels Airlines flights to Washington tend to be cheaper in the off-peak months of January and February. Whether you’re in search of a return or one-way ticket, you could find a better deal then.

Start your search for Brussels Airlines flights from FRA to IAD about one month before you want to go. 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. Regardless of fare class or itinerary, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Travelers 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.

To figure out if there’s a direct trip from FRA to IAD with Brussels Airlines or another carrier, check the “Nonstop” box when browsing for tickets.

Sort your results by “Morning” and “Early Morning” to see the earliest flights from FRA to IAD. Setting off 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.

Brussels Airlines flights from Frankfurt Intl. Airport (FRA) to Washington land at Washington Dulles Intl. Airport (IAD). This is the main gateway here.

A standard economy ticket with Brussels Airlines from FRA to IAD allows 1 cabin bag and a small personal item. Your carry-on luggage allowance is 1 cabin bag up to 35 lb with dimensions not exceeding 21 inches x 15 inches x 9 inches. Weight and size limits may differ based on your cabin class and ticket type. To avoid extra charges at the terminal, check your Brussels Airlines booking or visit the airline’s website before packing.

Travel from FRA to IAD with Brussels Airlines and you’ll enjoy a host of benefits including a rewarding loyalty program. When booking through Expedia as a Miles and More and One Key™ member, you can also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually reschedule or cancel your flight, although additional fees may apply if your booking was made more than 24 hours ago. Need to keep your options open? Use Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t penalize you if you need to revise your plans. To make changes, go to “Trips,” select your flight and click on “Manage Booking” for further information.