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$406+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BIO
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$510
(oojo)

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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Highest demand for flights based on searches. 11% potential increase in price ($100 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 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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.
Sun 10/124:35 pmIAD - BIO
1 stop14h 10mIberia
Fri 10/249:15 amBIO - IAD
1 stop11h 45mIberia
Deal found 4/16$508
This oojo deal was found by Cheapflights users on 4/16. 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 5/510:20 pmIAD - BIO
1 stop31h 20mTAP AIR PORTUGAL
Tue 5/136:50 pmBIO - IAD
1 stop26h 30mTAP AIR PORTUGAL
Deal found 4/16$510
This United Airlines deal was found by Cheapflights users on 4/17. 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 11/115:40 pmIAD - BIO
1 stop11h 15mUnited Airlines
Thu 11/206:45 amBIO - IAD
2 stops15h 06mUnited Airlines
Deal found 4/17$536
This Delta deal was found by Cheapflights users on 4/17. 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 11/99:30 pmIAD - BIO
1 stop13h 50mDelta
Tue 11/1811:55 amBIO - IAD
1 stop33h 50mDelta
Deal found 4/17$538
This Air Canada deal was found by Cheapflights users on 4/17. 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 11/1011:00 amDCA - BIO
2 stops23h 35mAir Canada
Tue 11/181:00 pmBIO - DCA
2 stops36h 57mAir Canada
Deal found 4/17$540
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Sun 11/93:55 pmIAD - BIO
2 stops18h 15mAir Canada
Fri 11/216:45 amBIO - IAD
2 stops15h 06mAir Canada
Deal found 4/17$541
This Lufthansa deal was found by Cheapflights users on 4/17. 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.
Sun 11/910:20 pmIAD - BIO
1 stop17h 30mLufthansa
Mon 11/171:00 pmBIO - IAD
1 stop32h 50mLufthansa
Deal found 4/17$562
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Mon 5/58:45 pmIAD - BIO
1 stop17h 30mMultiple Airlines
Tue 5/136:45 amBIO - IAD
2 stops20h 23mMultiple Airlines
Deal found 4/16$577
This Austrian Airlines deal was found by Cheapflights users on 4/17. 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 11/96:00 pmIAD - BIO
2 stops16h 35mAustrian Airlines
Mon 11/175:30 pmBIO - IAD
2 stops27h 05mAustrian Airlines
Deal found 4/17$608
This KLM deal was found by Cheapflights users on 4/16. 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 10/99:20 pmIAD - BIO
1 stop18h 40mKLM
Sat 10/185:15 pmBIO - IAD
1 stop28h 20mKLM
Deal found 4/16$639
This SWISS deal was found by Cheapflights users on 4/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/208:45 pmIAD - BIO
1 stop29h 10mSWISS
Thu 5/298:40 amBIO - IAD
1 stop13h 35mSWISS
Deal found 4/15$666
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Thu 8/284:00 pmDCA - BIO
1 stop12h 45mUnited Airlines
Sat 9/66:45 amBIO - DCA
2 stops20h 21mUnited Airlines
Deal found 4/17$728

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 17, 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

Sun 10/12

4:35 pm-12:45 pm

1 stop14h 10m

Bilbao

Fri 10/24

9:15 am-3:00 pm

1 stop11h 45m

$508

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 5/5

10:20 pm-11:40 am

1 stop31h 20m

Bilbao

Tue 5/13

6:50 pm-3:20 pm

1 stop26h 30m

$510

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sun 10/12

5:22 pm-4:05 pm

2 stops40h 43m

Bilbao

Fri 10/24

6:45 am-1:38 pm

2 stops36h 53m

$548

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 5/5

8:45 pm-8:15 pm

1 stop17h 30m

Bilbao

Tue 5/13

6:45 am-9:08 pm

2 stops20h 23m

$577

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Sat 9/20

8:40 pm-6:25 pm

2 stops39h 45m

Bilbao

Sun 9/28

6:45 am-8:54 am

2 stops32h 09m

$597

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sun 10/5

10:20 pm-5:50 pm

1 stop13h 30m

Bilbao

Sat 10/11

6:35 pm-7:25 pm

1 stop30h 50m

$599

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Tue 5/6

9:20 pm-4:40 pm

1 stop13h 20m

Bilbao

Sun 5/18

7:10 am-7:15 pm

1 stop18h 05m

$625

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Thu 10/9

9:20 pm-10:00 pm

1 stop18h 40m

Bilbao

Sat 10/18

5:15 pm-3:35 pm

1 stop28h 20m

$639

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Tue 5/20

8:45 pm-7:55 am

1 stop29h 10m

Bilbao

Thu 5/29

8:40 am-4:15 pm

1 stop13h 35m

$666

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 5/19

10:20 pm-11:25 pm

1 stop19h 05m

Bilbao

Wed 5/28

11:50 am-1:30 pm

2 stops31h 40m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 33 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 17, 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 17, 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
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
775 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,580 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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 Aer Lingus ($555), Air Canada ($586), and TAP AIR PORTUGAL ($676).

  • 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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John F Kennedy Intl to Bilbao flights
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Denver to San Sebastian flights

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 17, 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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