$1,163 Cheap Flights from Brest (BES) to Washington (IAD)

View $1,163 flight on Sun, Mar 22, 2026Opens in a new window

Popular airlines from Brest (BES-Brest - Brittany) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Brest to Washington (BES-IAD)

Prices were available within the past 7 days and start at $1,163 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Brest (BES) to Washington (IAD)
Origin airport
Brest - Brittany
Destination airport
Washington Dulles Intl.
Distance
3565 mi

Brest to Washington Flights

The cheapest times to fly from Brest to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Brest to Washington are during the month of . You can find some of the cheapest flights from Brest to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Brest to Washington

Sunday is one of the best days to book for cheap flights from Brest to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Brest to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Brest to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,163 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Brest to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Brest to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Brest - Brittany Airport (BES) to Washington Dulles Intl. Airport (IAD) cost?
Lock in a cheap one-way flight from $1,163 or cheap return flight from Brest - Brittany Airport (BES) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Brest - Brittany Airport (BES) to Washington Dulles Intl. Airport (IAD)?
is the most affordable month to fly from BES to IAD. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Brest - Brittany Airport (BES) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from BES to IAD, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Brest - Brittany Airport (BES) to Washington Dulles Intl. Airport (IAD)?
There aren't any daily nonstop flights departing from Brest - Brittany Airport (BES) to Washington Dulles Intl. Airport (IAD). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from BES to IAD?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Brest - Brittany Airport (BES) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Brest - Brittany Airport (BES) to Washington Dulles Intl. Airport (IAD) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Brest - Brittany Airport (BES) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until right before your break to book a flight from BES to IAD generally means paying more. While you might find some last-minute deals, there's no guarantee. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a BES to IAD flight and hotel package?
You can save money by securing a BES to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your preferred accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Brest - Brittany Airport (BES) to Washington Dulles Intl. Airport (IAD)?
If you reserved your BES to IAD flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.