$758 Cheap Flights from Biarritz (BIQ) to Washington (IAD)

View $758 flight on Sat, Jun 20, 2026Opens in a new window

Popular airlines from Biarritz (BIQ-Pays Basque) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Biarritz to Washington (BIQ-IAD)

Prices were available within the past 7 days and start at $758 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Pays Basque Airport (BIQ) to Washington Dulles Intl. Airport (IAD) cost?
Secure a cheap one-way flight from $758 or cheap return flight from Pays Basque Airport (BIQ) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Pays Basque Airport (BIQ) to Washington Dulles Intl. Airport (IAD)?
is the least expensive month to fly from BIQ to IAD. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Pays Basque Airport (BIQ) to Washington Dulles Intl. Airport (IAD)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from BIQ to IAD. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Pays Basque Airport (BIQ) to Washington Dulles Intl. Airport (IAD)?
Direct flights from Pays Basque Airport (BIQ) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BIQ to IAD?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, 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 Pays Basque Airport (BIQ) to Washington Dulles Intl. Airport (IAD)?
To land at Washington Dulles Intl. Airport (IAD) on schedule, select a flight that takes off from Pays Basque Airport (BIQ) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Pays Basque Airport (BIQ) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until right before your break to book a ticket from BIQ to IAD often results in higher prices. While it's possible to find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a BIQ to IAD flight and hotel package?
Securing a BIQ to IAD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pays Basque Airport (BIQ) to Washington Dulles Intl. Airport (IAD)?
If you booked your BIQ to IAD flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Pays Basque
Destination airport
Washington Dulles Intl.
Distance
3817 mi

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Biarritz to Washington Flights

The cheapest times to fly from Biarritz 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 Biarritz to Washington are during the month of . You can find some of the cheapest flights from Biarritz to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Biarritz to Washington

Sunday is one of the best days to book for cheap flights from Biarritz 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 Biarritz 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 Biarritz to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $758 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 Biarritz 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 Biarritz 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.

 

Biarritz to Washington Flights

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