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Flights from Washington D.C. to Bilbao
What to know about flights from Washington D.C. to Bilbao?
The distance between Washington D.C. and Bilbao is approximately 6,022.46 km. Based on Trip.com's data, travel demand peaks in July.
Cheapest one-way
$383
American Airlines
WAS-BIO
14h 30m · 1 stop
Tue, Oct 6
Cheapest round-trip
$705
TAP Air Portugal
WAS-BIO
30h 55m · 2 stops
Wed, Oct 14 - Wed, Oct 21
Recommended airlines
When to travel
October
Cheapest
July
Peak season for travel
Route details
6,022.46 km
Flight distance
How can I find cheap flights from Washington D.C. to Bilbao?
Explore the cheapest one-way and round-trip flights from Washington D.C. to Bilbao over the next 90 days, with one-way fares from $383 and round-trip from $705. Based on Trip.com's latest 7-day flight data.
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One way
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Round-trip
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IAD 10:35 PM30h 55m1 stopBIO 11:30 AMWashington D.C. - Bilbao | Wed, Oct 14 | TAP Air Portugal
BIO 6:50 PM26h 20m1 stopIAD 3:10 PMBilbao - Washington D.C. | Wed, Oct 21 | TAP Air Portugal
Price detailsDepartureIAD-LISEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletLIS-BIOEconomy class
Included
ReturnBIO-LISEconomy class
Included
LIS-IADEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$705 $1,02131% off31% off$1,021 $705 -
IAD 9:40 PM31h 25m1 stopBIO 11:05 AMWashington D.C. - Bilbao | Thu, Oct 8 | Turkish Airlines
BIO 6:25 PM23h 5m1 stopIAD 11:30 AMBilbao - Washington D.C. | Thu, Oct 15 | Turkish Airlines
Price detailsDepartureIAD-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnBIO-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-IADEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$721 $1,02128% off28% off$1,021 $721 -
IAD 1:15 PM22h 10m1 stopBIO 5:25 PMWashington D.C. - Bilbao | Thu, Oct 22 | Turkish Airlines
BIO 5:15 PM24h 30m1 stopIAD 12:45 PMBilbao - Washington D.C. | Thu, Oct 29 | Turkish Airlines
Price detailsDepartureIAD-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-BIOEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnBIO-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-IADEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$721 $1,02128% off28% off$1,021 $721
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IAD 1:15 PM15h 50m1 stopBIO 11:05 AMWashington D.C. - Bilbao | Fri, Oct 16 | Turkish Airlines
BIO 6:25 PM23h 5m1 stopIAD 11:30 AMBilbao - Washington D.C. | Fri, Oct 23 | Turkish Airlines
Price detailsDepartureIAD-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnBIO-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-IADEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$72128% off$1,021 $721
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IAD 1:15 PM22h 10m1 stopBIO 5:25 PMWashington D.C. - Bilbao | Wed, Oct 14 | Turkish Airlines
BIO 12:05 PM29h 25m1 stopIAD 11:30 AMBilbao - Washington D.C. | Wed, Oct 21 | Turkish Airlines
Price detailsDepartureIAD-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnBIO-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-IADEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$72128% off$1,021 $721
-
IAD 1:15 PM22h 10m1 stopBIO 5:25 PMWashington D.C. - Bilbao | Thu, Oct 15 | Turkish Airlines
BIO 6:25 PM23h 5m1 stopIAD 11:30 AMBilbao - Washington D.C. | Thu, Oct 22 | Turkish Airlines
Price detailsDepartureIAD-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-BIOEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnBIO-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-IADEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$72128% off$1,021 $721
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IAD 1:15 PM22h 10m1 stopBIO 5:25 PMWashington D.C. - Bilbao | Wed, Oct 21 | Turkish Airlines
BIO 11:55 AM29h 50m1 stopIAD 12:45 PMBilbao - Washington D.C. | Wed, Oct 28 | Turkish Airlines
Price detailsDepartureIAD-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnBIO-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-IADEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$72128% off$1,021 $721
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IAD 1:15 PM15h 50m1 stopBIO 11:05 AMWashington D.C. - Bilbao | Fri, Oct 23 | Turkish Airlines
BIO 5:15 PM24h 30m1 stopIAD 12:45 PMBilbao - Washington D.C. | Fri, Oct 30 | Turkish Airlines
Price detailsDepartureIAD-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnBIO-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-IADEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$72128% off$1,021 $721
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IAD 5:05 PM12h 35m1 stopBIO 11:40 AMWashington D.C. - Bilbao | Wed, Sep 9 | TAP Air Portugal
BIO 6:50 PM26h 20m1 stopIAD 3:10 PMBilbao - Washington D.C. | Wed, Sep 16 | TAP Air Portugal
Price detailsDepartureIAD-LISEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletLIS-BIOEconomy class
Included
ReturnBIO-LISEconomy class
Included
LIS-IADEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$73428% off$1,021 $734
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IAD 9:40 PM31h 30m1 stopBIO 11:10 AMWashington D.C. - Bilbao | Fri, Sep 25 | Turkish Airlines
BIO 6:25 PM23h 5m1 stopIAD 11:30 AMBilbao - Washington D.C. | Fri, Oct 2 | Turkish Airlines
Price detailsDepartureIAD-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-BIOEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)ReturnBIO-ISTEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletIST-IADEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$74527% off$1,021 $745
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WAS 1:00 PM17h 25m1 stopBIO 2:00 PMWashington D.C. - Bilbao | Tue, Sep 8 | Normal Airline
BIO 3:00 PM6hNonstopWAS 4:00 PMBilbao - Washington D.C. | Thu, Sep 10 | Normal AirlineFind more flightsFind more flights
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IAD 8:25 PM14h 30m1 stopBIO 4:55 PMWashington D.C. - Bilbao | Tue, Oct 6 | American Airlines
Price detailsIAD-MADEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletMAD-BIOEconomy classWi-Fi (additional charge)$383 $65942% off42% off$659 $383 -
IAD 5:45 PM16h 15m1 stopBIO 4:00 PMWashington D.C. - Bilbao | Tue, Oct 6 | United Airlines
Price detailsIAD-BRUEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletBRU-BIOEconomy class$469 $65928% off28% off$659 $469 -
IAD 10:20 PM13h 35m1 stopBIO 5:55 PMWashington D.C. - Bilbao | Wed, Oct 7 | United Airlines
Price detailsIAD-MUCEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletMUC-BIOEconomy classWi-Fi (additional charge)$469 $65928% off28% off$659 $469
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IAD 3:25 PM15h 50m1 stopBIO 1:15 PMWashington D.C. - Bilbao | Thu, Oct 8 | Lufthansa
Price detailsIAD-FRAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletFRA-BIOEconomy classWi-Fi (additional charge)$47028% off$659 $470 -
IAD 11:55 PM12h 50m1 stopBIO 5:45 PMWashington D.C. - Bilbao | Sun, Oct 25 | United Airlines
Price detailsIAD-MUCEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletMUC-BIOEconomy classWi-Fi (additional charge)$47028% off$659 $470
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IAD 10:20 PM13h 35m1 stopBIO 5:55 PMWashington D.C. - Bilbao | Sun, Oct 4 | United Airlines
Price detailsIAD-MUCEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletMUC-BIOEconomy classWi-Fi (additional charge)$47128% off$659 $471
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IAD 9:10 PM17h 10m1 stopBIO 7:20 PMWashington D.C. - Bilbao | Sat, Oct 31 | Swiss Airlines
Price detailsIAD-ZRHEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$47827% off$659 $478 -
IAD 11:55 PM12h 50m1 stopBIO 5:45 PMWashington D.C. - Bilbao | Sun, Oct 25 | Lufthansa
Price detailsIAD-MUCEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletMUC-BIOEconomy classWi-Fi (additional charge)$47927% off$659 $479
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IAD 6:15 PM17h 15m1 stopBIO 5:30 PMWashington D.C. - Bilbao | Sun, Oct 4 | Air France
Price detailsIAD-CDGEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletCDG-BIOEconomy class$48127% off$659 $481 -
IAD 9:45 PM18h 15m1 stopBIO 10:00 PMWashington D.C. - Bilbao | Sun, Oct 4 | KLM
Price detailsIAD-CDGEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletCDG-BIOEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$48127% off$659 $481 -
WAS 1:00 PM17h 25m1 stopBIO 2:00 PMWashington D.C. - Bilbao | Tue, Sep 8 | Normal AirlineFind more flightsFind more flights
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Which airlines are the most popular for Washington D.C. to Bilbao flights?
You can choose from 1 airlines that fly from Washington D.C. to Bilbao, including Turkish Airlines, American Airlines has lowest fares on this route.
Turkish Airlines
Airlines are determined based on actual purchased flight tickets from Washington D.C. to Bilbao according to previous 12 months data from Trip.com.
Frequently Asked Questions
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What are the cheapest flights from Washington D.C. to Bilbao (WAS-BIO)?
Based on Trip.com data, American Airlines offers one-way fares as low as $383 on Cheapest nonstop routes (e.g. IAD to BIO on Tue, Oct 6), while TAP Air Portugal offers Cheapest nonstop round-trips from $705 departing on Wed, Oct 14 and returning on Wed, Oct 21. -
Which airlines offer flights from Washington D.C. to Bilbao?
At the moment, several airlines serve connecting flights from Washington D.C. to Bilbao, including: Turkish Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days. -
When is the best time to book flights from Washington D.C. to Bilbao?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Bilbao is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals. -
How can I find the best deals on flights from Washington D.C. to Bilbao?
To find best deals on flights from Washington D.C. to Bilbao, you can use various tools on Trip.com:
· Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Oct 6, with one-way flights priced at just $383.
· Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
· Set up price alerts to easily monitor ticket prices without having to check every day.
· Check Trip.com flight deals and promo codes frequently.
· Avoid peak season unless you book very early. It seems the peak season for Bilbao travel is around July.
· Get exclusive promo codes for Trip.com app users. -
When are flight tickets from Washington D.C. (WAS) to Bilbao (BIO) the cheapest?
The cheapest months to fly from Washington D.C. to Bilbao is October, when demand for travel is lower. -
Which upcoming date is cheapest to fly from Washington D.C. to Bilbao on?
After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Washington D.C. to Bilbao on September 6, 2026 with Iberia, with prices starting at $393. -
Which airports can I fly into Bilbao from Washington D.C.?
You can arrive at any of the following airports in Bilbao: Bilbao Airport (BIO). Flights from Dulles International Airport to Bilbao Airport (IAD-BIO) are by far the most popular option for this route. -
Is there any time difference between Washington D.C. and Bilbao?
The time difference between Bilbao and Washington D.C. is 6h. -
How do I change or cancel my ticket from Washington D.C. to Bilbao?
Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages. -
What is the average cost of a one-way flight from Washington D.C. to Bilbao?
Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Washington D.C. to Bilbao is $623. Fares vary by travel date, airline and availability. -
How do I book flights from Washington D.C. to Bilbao on Trip.com?
Enter Washington D.C. and Bilbao, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.