$1,392 Cheap Flights from Biarritz (BIQ) to Washington (IAD)

View $1,392 flight on Sat, Aug 2, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Biarritz to Washington (BIQ-IAD)

Prices were available within the past 7 days and start at $1,392 for one-way flights and $1,397 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sat, Aug 9 - Sat, Aug 16
BIQ
Biarritz
IAD
Washington
$1,397 Roundtrip, found 4 days ago
$1,397
Roundtrip
found 4 days ago
Select KLM flight, departing Sat, Aug 9 from Biarritz to Washington, returning Sat, Aug 16, priced at $1,397 found 4 days ago
KLM
Sat, Aug 9 - Sat, Aug 16
BIQ
Biarritz
IAD
Washington
$1,399 Roundtrip, found 4 days ago
$1,399
Roundtrip
found 4 days ago
Select KLM flight, departing Sat, Aug 9 from Biarritz to Washington, returning Sat, Aug 16, priced at $1,399 found 4 days ago
KLM
Sat, Aug 9 - Sat, Aug 16
BIQ
Biarritz
IAD
Washington
$1,403 Roundtrip, found 4 days ago
$1,403
Roundtrip
found 4 days ago
Select KLM flight, departing Sat, Aug 9 from Biarritz to Washington, returning Sat, Aug 16, priced at $1,403 found 4 days ago
Air France
Sat, Aug 9 - Sat, Aug 16
BIQ
Biarritz
IAD
Washington
$1,556 Roundtrip, found 4 days ago
$1,556
Roundtrip
found 4 days ago
Select Air France flight, departing Sat, Aug 9 from Biarritz to Washington, returning Sat, Aug 16, priced at $1,556 found 4 days ago

Frequently asked questions

How much does a flight from Pays Basque Airport (BIQ) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from BIQ to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BIQ to IAD?
The cheapest flights from BIQ to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BIQ to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from BIQ to IAD. Sort your results by “Price (lowest to highest)” to snap 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.
*Available to One Key members.