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Bilbao

$244+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BIO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 September 16, 2025.

Round-trip from

$410
(lol.travel)

One-way from

$244
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$644
From District of Columbia to Bilbao
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One-way flight from District of Columbia to Bilbao
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Highest demand for flights based on searches. 14% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 16, 2025.

This lol.travel deal was found by Cheapflights users on 9/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/195:45 pmIAD - BIO
1 stop11h 55mTAP AIR PORTUGAL
Mon 11/37:20 pmBIO - IAD
1 stop25h 15mTAP AIR PORTUGAL
Deal found 9/15$410
This Lufthansa deal was found by Cheapflights users on 9/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:20 pmIAD - BIO
1 stop19h 05mLufthansa
Wed 10/2211:50 amBIO - IAD
1 stop13h 35mLufthansa
Deal found 9/14$454
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:20 pmIAD - BIO
1 stop18h 40mKLM
Wed 10/227:10 amBIO - IAD
1 stop15h 10mKLM
Deal found 9/15$457
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:35 pmIAD - BIO
1 stop30h 50mKLM
Mon 10/135:15 pmBIO - IAD
1 stop28h 20mKLM
Deal found 9/15$459
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/2911:55 pmIAD - BIO
1 stop18h 10mUnited Airlines
Wed 11/511:35 amBIO - IAD
1 stop34h 00mUnited Airlines
Deal found 9/14$463
This Delta deal was found by Cheapflights users on 9/15. 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 10/111:10 amDCA - BIO
2 stops17h 15mDelta
Wed 10/2212:00 pmBIO - DCA
2 stops17h 04mDelta
Deal found 9/15$472
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/610:20 pmIAD - BIO
1 stop13h 30mUnited Airlines
Wed 10/226:45 amBIO - IAD
2 stops20h 26mUnited Airlines
Deal found 9/14$474
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:55 pmIAD - BIO
1 stop13h 10mLufthansa
Thu 11/611:35 amBIO - IAD
1 stop14h 30mLufthansa
Deal found 9/15$477
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 10/68:50 amDCA - BIO
2 stops20h 25mDelta
Wed 10/226:50 amBIO - DCA
2 stops21h 17mDelta
Deal found 9/14$478
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/2210:20 pmIAD - BIO
1 stop19h 05mUnited Airlines
Mon 10/2712:50 pmBIO - IAD
1 stop33h 00mUnited Airlines
Deal found 9/13$481
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:20 pmIAD - BIO
1 stop19h 05mLufthansa
Mon 10/136:35 pmBIO - IAD
2 stops24h 55mLufthansa
Deal found 9/15$491
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:59 amDCA - BIO
2 stops24h 01mAir Canada
Thu 11/66:45 amBIO - DCA
2 stops19h 00mAir Canada
Deal found 9/15$504

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 September 16, 2025.
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

Wed 10/1

9:20 pm-10:00 pm

1 stop18h 40m

Bilbao

Wed 10/22

7:10 am-7:15 pm

1 stop18h 05m

$457

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 10/6

9:35 pm-10:25 am

1 stop30h 50m

Bilbao

Mon 10/13

5:15 pm-3:35 pm

1 stop28h 20m

$459

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 10/29

11:55 pm-11:05 pm

1 stop18h 10m

Bilbao

Wed 11/5

11:35 am-3:35 pm

1 stop34h 00m

$463

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Wed 10/1

11:10 am-10:25 am

2 stops17h 15m

Bilbao

Wed 10/22

12:00 pm-11:52 pm

2 stops17h 52m

$472

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 10/6

10:20 pm-5:50 pm

1 stop13h 30m

Bilbao

Wed 10/22

6:45 am-9:11 pm

2 stops20h 26m

$474

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 10/22

10:20 pm-11:25 pm

1 stop19h 05m

Bilbao

Mon 10/27

12:50 pm-4:50 pm

1 stop33h 00m

$481

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Thu 10/30

11:55 pm-11:05 pm

1 stop18h 10m

Bilbao

Thu 11/6

7:25 am-8:05 pm

1 stop18h 40m

$486

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 10/6

10:20 pm-11:25 pm

1 stop19h 05m

Bilbao

Mon 10/13

6:35 pm-1:30 pm

2 stops24h 55m

$491

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Thu 10/30

9:00 am-12:00 pm

2 stops22h 00m

Bilbao

Thu 11/6

11:35 am-8:05 pm

1 stop14h 30m

$499

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sun 11/9

10:55 pm-11:05 pm

1 stop18h 10m

Bilbao

Sun 11/16

6:45 am-3:50 pm

1 stop15h 05m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 39 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 time of day to fly from DC to BIO?

Find hourly flight availability from District of Columbia to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from District of Columbia to Bilbao, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 $472, KLM can have you in Bilbao from District of Columbia in 17h 15m. The distance between District of Columbia and Bilbao is about 3741 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from District of Columbia to Bilbao one-way?

    The cheapest airlines for a one-way flight from District of Columbia to Bilbao are TAP AIR PORTUGAL ($249), Air Canada ($418), and American Airlines ($444).

  • 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 $541). Flying from District of Columbia to Bilbao in June is currently the most expensive (average of $1,136). 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 5 airlines flying from District of Columbia to Bilbao

Discover the top 5 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$447Average$833FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$503Average$750FlexibilityNo cancel feeOn-time75%
IberiaCheapest$509Average$695FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$514Average$758FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$530Average$780FlexibilityNo cancel feeOn-time76%

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