$634 Cheap British Airways flights Barcelona (BCN) to Washington (IAD)

You’ll discover affordable return British Airways flights from $579 from BCN to IAD by filtering your results from “Price (lowest to highest)” on Expedia. Or look for deals from $634 for a one-way trip.**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 cheapest months to jet away to Washington with British Airways. You could also find fantastic deals on return and one-way fares in February.

To get cheap flights from BCN to IAD with British Airways, begin searching about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another helpful tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**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.

Select our “Nonstop” filter when browsing for direct British Airways flights from BCN to IAD. It’s also a great way to compare other carriers servicing the same direct route.

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

Washington Dulles Intl. Airport (IAD) is the primary Washington gateway for British Airways flights from Barcelona Intl. Airport (BCN).

For checked luggage, you can bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also travel with 2 cabin bags in the cabin when flying standard economy from BCN to IAD with British Airways. This carry-on has to weigh less than 50 lb and be no larger than 19 inches x 9 inches x 17 inches. Exceeding these limits can mean extra fees, so check British Airways’s baggage allowance rules before you pack.

British Airways makes flying from BCN to IAD more comfortable with top-tier customer service and a 4-star airline rating. You also have the chance to earn points with British Airways Executive Club. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

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