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Bilbao

$340+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BIO
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$660
(United)

One-way from

$340
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$758
Provider with most accurate pricing for Washington, D.C. (WAS)-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Bilbao flights.
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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. 12% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This FlightHub deal was found by Cheapflights users on 4/28. 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.
Sun 10/510:20 pmIAD - BIO
1 stop13h 30mLufthansa
Sat 10/116:35 pmBIO - IAD
1 stop30h 50mLufthansa
Deal found 4/28$600
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Sun 10/59:45 amIAD - BIO
2 stops24h 20mMultiple Airlines
Sat 10/116:35 pmBIO - IAD
1 stop30h 50mMultiple Airlines
Deal found 4/28$606
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
Thu 9/44:35 pmIAD - BIO
1 stop14h 10mIberia
Sun 9/149:15 amBIO - IAD
1 stop11h 45mIberia
Deal found 4/28$647
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 7/295:25 pmIAD - BIO
1 stop11h 20mUnited Airlines
Thu 8/146:45 amBIO - IAD
1 stop15h 05mUnited Airlines
Deal found 4/28$656
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:25 pmIAD - BIO
2 stops19h 00mAustrian Airlines
Sat 10/112:10 pmBIO - IAD
2 stops30h 25mAustrian Airlines
Deal found 4/29$658
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/144:30 pmDCA - BIO
2 stops16h 15mAir Canada
Tue 7/226:45 amBIO - DCA
2 stops15h 03mAir Canada
Deal found 4/28$660
This United Airlines deal was found by Cheapflights users on 4/29. 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 7/234:30 pmDCA - BIO
2 stops23h 55mUnited Airlines
Fri 8/112:30 pmBIO - DCA
1 stop13h 00mUnited Airlines
Deal found 4/29$665
This SWISS deal was found by Cheapflights users on 4/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/288:45 pmIAD - BIO
1 stop17h 30mSWISS
Tue 8/129:00 pmBIO - IAD
1 stop25h 15mSWISS
Deal found 4/28$665
This Delta deal was found by Cheapflights users on 4/28. 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.
Sun 7/276:30 pmIAD - BIO
1 stop10h 50mDelta
Wed 8/1312:00 pmBIO - IAD
1 stop33h 35mDelta
Deal found 4/28$669
This KLM deal was found by Cheapflights users on 4/28. 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.
Thu 5/155:25 pmIAD - BIO
1 stop17h 05mKLM
Tue 5/205:15 pmBIO - IAD
1 stop28h 20mKLM
Deal found 4/28$675
This Delta deal was found by Cheapflights users on 4/29. 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 7/2310:35 amDCA - BIO
2 stops18h 25mDelta
Fri 8/112:00 pmBIO - DCA
2 stops17h 36mDelta
Deal found 4/29$684
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:10 amDCA - BIO
2 stops16h 20mAmerican Airlines
Sat 9/201:30 pmBIO - DCA
2 stops15h 30mAmerican Airlines
Deal found 4/28$689

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 April 30, 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

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Mon 7/14

4:30 pm-2:45 pm

2 stops16h 15m

Bilbao

Tue 7/22

6:45 am-3:48 pm

2 stops15h 03m

$660

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 7/14

10:30 pm-10:45 am

1 stop30h 15m

Bilbao

Tue 7/22

6:45 am-9:37 am

2 stops32h 52m

$660

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Wed 7/23

4:30 pm-10:25 pm

2 stops23h 55m

Bilbao

Fri 8/1

12:30 pm-7:30 pm

1 stop13h 00m

$665

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 7/28

8:45 pm-8:15 pm

1 stop17h 30m

Bilbao

Tue 8/12

9:00 pm-4:15 pm

1 stop25h 15m

$665

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sun 7/27

6:30 pm-11:20 am

1 stop10h 50m

Bilbao

Wed 8/13

12:00 pm-3:35 pm

1 stop33h 35m

$669

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 7/14

10:20 pm-5:50 pm

1 stop13h 30m

Bilbao

Tue 7/22

6:45 am-3:50 pm

1 stop15h 05m

$673

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Thu 5/15

5:25 pm-4:30 pm

1 stop17h 05m

Bilbao

Tue 5/20

5:15 pm-3:35 pm

1 stop28h 20m

$675

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Wed 7/23

10:35 am-11:00 am

2 stops18h 25m

Bilbao

Fri 8/1

12:00 pm-11:36 pm

2 stops17h 36m

$684

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Thu 5/15

5:35 pm-5:50 pm

2 stops18h 15m

Bilbao

Tue 5/20

6:45 am-11:39 am

2 stops34h 54m

$694

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Tue 6/24

9:40 am-10:45 am

1 stop19h 05m

Bilbao

Wed 7/2

6:45 am-9:48 pm

2 stops21h 03m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 27 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 April 30, 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.

Rainfall in Bilbao by month

Plan your trip to Bilbao by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

Plan your trip to Bilbao by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated April 30, 2025.
Read through reviews of airlines operating flights from District of Columbia to Bilbao, such as Delta, KLM and Austrian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 Delta ($417), TAP AIR PORTUGAL ($442), and Air Canada ($521).

  • 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 $1,178). 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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Dulles Intl to San Sebastian flights
Dallas/Fort Worth to Bilbao flights
Midway to Bilbao flights
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Seattle to San Sebastian flights
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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$431Average$872FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$471Average$834FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$507Average$700FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$605Average$760FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$624Average$820FlexibilityNo cancel feeOn-time76%

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