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Bilbao

$331+ Cheap flights from District of Columbia to Bilbao (BIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BIO
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from District of Columbia to Bilbao

Cheapest flights from District of Columbia to Bilbao
Explore the most affordable flight options available from District of Columbia to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:35 pm
IAD
-
BIO
1 stop13h 30m
TAP AIR PORTUGAL
Tue 5/56:50 pm
BIO
-
IAD
1 stop26h 20m
TAP AIR PORTUGAL
Deal found 2/10$491
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:50 pm
IAD
-
BIO
1 stop12h 45m
TAP AIR PORTUGAL
Mon 9/2112:25 pm
BIO
-
IAD
1 stop32h 45m
TAP AIR PORTUGAL
Deal found 2/10$559
This Gotogate deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:20 pm
IAD
-
BIO
1 stop19h 05m
Lufthansa
Wed 4/226:50 am
BIO
-
IAD
1 stop15h 15m
Lufthansa
Deal found 2/9$566
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:35 pm
IAD
-
BIO
1 stop13h 25m
TAP AIR PORTUGAL
Thu 5/2112:15 pm
BIO
-
IAD
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 2/9$574
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:40 pm
IAD
-
BIO
1 stop12h 00m
TAP AIR PORTUGAL
Sun 4/197:45 pm
BIO
-
IAD
1 stop30h 50m
TAP AIR PORTUGAL
Deal found 2/10$581
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:20 pm
IAD
-
BIO
1 stop19h 05m
United Airlines
Wed 4/226:50 am
BIO
-
IAD
2 stops20h 35m
United Airlines
Deal found 2/9$582
This Turkish Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/112:30 pm
IAD
-
BIO
1 stop20h 40m
Turkish Airlines
Fri 3/2012:00 pm
BIO
-
IAD
1 stop29h 45m
Turkish Airlines
Deal found 2/9$588
This KAYAK deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:25 pm
DCA
-
BIO
2 stops15h 25m
Scandinavian Airlines
Wed 4/2210:30 am
BIO
-
DCA
2 stops16h 00m
Scandinavian Airlines
Deal found 2/9$593
This FlightHub deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:00 pm
IAD
-
BIO
1 stop16h 35m
Royal Air Maroc
Sat 5/98:35 pm
BIO
-
IAD
1 stop28h 25m
Royal Air Maroc
Deal found 2/9$601
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:19 pm
IAD
-
BIO
2 stops17h 11m
Delta
Fri 3/206:50 am
BIO
-
IAD
1 stop15h 15m
Delta
Deal found 2/9$627
This Turkish Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:30 pm
IAD
-
BIO
1 stop20h 40m
Turkish Airlines
Mon 3/2312:00 pm
BIO
-
IAD
1 stop29h 45m
Turkish Airlines
Deal found 2/10$629
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:10 pm
DCA
-
BIO
3 stops34h 05m
Multiple Airlines
Wed 4/227:40 am
BIO
-
DCA
2 stops20h 13m
Multiple Airlines
Deal found 2/9$662

Find flight deals from District of Columbia to Bilbao

Keep the following information in mind while searching for District of Columbia to Bilbao flight deals. Data was last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$491
(oojo)

One-way from

$331
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$707
Provider with most accurate pricing for Washington, D.C. (WAS)-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Bilbao flights.
Search Deals
From District of Columbia to Bilbao
Search Deals
One-way flight from District of Columbia to Bilbao
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from District of Columbia to Bilbao that are best for you.

Fly from

District of Columbia

Fly to

Bilbao

Route

Depart

Return

Price

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 5/4

10:35 pm-6:00 pm

1 stop13h 25m

Bilbao

Thu 5/21

12:15 pm-8:35 pm

1 stop14h 20m

$574

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 4/15

10:20 pm-11:25 pm

1 stop19h 05m

Bilbao

Wed 4/22

6:50 am-9:25 pm

2 stops20h 35m

$582

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 3/11

2:30 pm-4:10 pm

1 stop20h 40m

Bilbao

Fri 3/20

12:00 pm-12:45 pm

1 stop29h 45m

$588

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Wed 4/15

12:25 pm-9:50 am

2 stops15h 25m

Bilbao

Wed 4/22

10:30 am-8:30 pm

2 stops16h 00m

$593

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Tue 3/10

6:30 pm-11:25 am

1 stop11h 55m

Bilbao

Mon 3/23

7:20 pm-3:35 pm

1 stop25h 15m

$601

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 3/11

1:19 pm-11:30 am

2 stops17h 11m

Bilbao

Fri 3/20

6:50 am-5:05 pm

1 stop15h 15m

$627

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 3/11

1:19 pm-11:30 am

2 stops17h 11m

Bilbao

Tue 3/24

6:50 am-5:05 pm

1 stop15h 15m

$627

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Tue 3/10

2:30 pm-4:10 pm

1 stop20h 40m

Bilbao

Mon 3/23

12:00 pm-12:45 pm

1 stop29h 45m

$629

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Tue 3/10

9:00 am-4:00 pm

3 stops26h 00m

Bilbao

Mon 3/23

9:05 pm-4:50 pm

2 stops24h 45m

$644

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Wed 4/15

11:05 am-11:00 pm

3 stops29h 55m

Bilbao

Wed 4/22

7:40 am-12:01 pm

3 stops34h 21m

$673

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 36 results
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Best time to book a flight from District of Columbia to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Bilbao

What is the cheapest month to book a flight from District of Columbia to Bilbao?

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Bilbao (average of $337). Flying from District of Columbia to Bilbao in July is currently the most expensive (average of $649). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Bilbao from District of Columbia?

    Bilbao (BIO) is the airport you will fly into if you book a flight from District of Columbia to Bilbao. It is only a 3.0 mi journey from Bilbao (BIO) to Bilbao’s city center.

  • How long is the flight from District of Columbia to Bilbao?

    For as low as $574, TAP AIR PORTUGAL can have you in Bilbao from District of Columbia in 13h 25m. The distance between District of Columbia and Bilbao is about 3757 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from District of Columbia to Bilbao that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Bilbao.

  • Can I find deals for business class flights from District of Columbia to Bilbao?

    Yes. Cheapflights offers flight deals from District of Columbia to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Bilbao (average of $337). Flying from District of Columbia to Bilbao in July is currently the most expensive (average of $649). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for District of Columbia to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from District of Columbia to Bilbao

Discover the top 4 airlines that operate flights from District of Columbia to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$421Average$771FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$470Average$739FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$505Average$713FlexibilityNo cancel feeOn-time69%
IberiaCheapest$509Average$590FlexibilityNo cancel feeOn-time77%

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