HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$395+ Cheap flights from Bilbao (BIO) to District of Columbia

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — IAD
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bilbao to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Bilbao to District of Columbia

Keep the following information in mind while searching for Bilbao to District of Columbia flight deals. Data was last updated April 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$509
(KLM)

One-way from

$395
(KAYAK)

Popular in

July

Cheapest in

February

Average price

$634
Provider with most accurate pricing for Bilbao-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bilbao-Washington, D.C. (WAS) flights.
Search Deals
From Bilbao to District of Columbia
Search Deals
One-way flight from Bilbao to District of Columbia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Bilbao to District of Columbia

Cheapest flights from Bilbao to District of Columbia
Explore the most affordable flight options available from Bilbao to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

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.
Wed 10/1512:00 pmBIO - IAD
1 stop33h 35mKLM
Wed 11/55:35 pmIAD - BIO
1 stop11h 45mKLM
Deal found 4/28$509
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:30 pmBIO - DCA
2 stops15h 25mIberia
Wed 11/51:44 pmDCA - BIO
2 stops17h 06mIberia
Deal found 4/28$534
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:50 amBIO - IAD
1 stop14h 45mMultiple Airlines
Wed 5/289:20 pmIAD - BIO
1 stop18h 40mMultiple Airlines
Deal found 4/29$551
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.
Sat 5/2412:00 pmBIO - DCA
2 stops17h 00mDelta
Wed 5/287:54 pmDCA - BIO
2 stops14h 36mDelta
Deal found 4/29$563
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.
Fri 6/66:45 amBIO - DCA
2 stops19h 14mAmerican Airlines
Sat 6/142:54 pmDCA - BIO
2 stops15h 51mAmerican Airlines
Deal found 4/28$578
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.
Sat 5/246:50 amBIO - IAD
1 stop14h 45mDelta
Wed 5/285:24 pmIAD - BIO
2 stops17h 06mDelta
Deal found 4/29$597
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.
Wed 10/157:15 amBIO - IAD
1 stop18h 10mUnited Airlines
Wed 11/51:05 pmIAD - BIO
2 stops16h 50mUnited Airlines
Deal found 4/28$622
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.
Fri 6/68:55 amBIO - IAD
1 stop13h 20mSWISS
Sat 6/1410:20 pmIAD - BIO
2 stops38h 15mSWISS
Deal found 4/28$672
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/611:50 amBIO - IAD
1 stop13h 35mLufthansa
Sat 6/146:10 pmIAD - BIO
1 stop13h 10mLufthansa
Deal found 4/28$701
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.
Fri 6/612:30 pmBIO - DCA
1 stop12h 39mMultiple Airlines
Sat 6/141:06 pmDCA - BIO
2 stops15h 59mMultiple Airlines
Deal found 4/28$788
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.
Fri 6/1312:30 pmBIO - DCA
1 stop12h 39mUnited Airlines
Fri 6/203:30 pmDCA - BIO
2 stops15h 55mUnited Airlines
Deal found 4/29$1,200

Cheapflights Fare Finder

Customize your flight search to find flights from Bilbao to District of Columbia 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 Bilbao to District of Columbia that are best for you.

Fly from

Bilbao

Fly to

District of Columbia

Route

Depart

Return

Price

BilbaoWashington, D.C.

BIO - IAD

BIOIAD

Bilbao

Wed 10/15

12:00 pm-3:35 pm

1 stop33h 35m

Washington, D.C. Dulles Intl

Wed 11/5

5:35 pm-11:20 am

1 stop11h 45m

$509

BilbaoWashington, D.C.

BIO - DCA

BIODCA

Bilbao

Wed 10/15

1:30 pm-10:55 pm

2 stops15h 25m

Washington, D.C. Reagan-National

Wed 11/5

1:44 pm-12:50 pm

2 stops17h 06m

$534

BilbaoWashington, D.C.

BIO - IAD

BIOIAD

Bilbao

Sat 5/24

6:50 am-3:35 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Wed 5/28

9:20 pm-10:00 pm

1 stop18h 40m

$551

BilbaoWashington, D.C.

BIO - DCA

BIODCA

Bilbao

Sat 5/24

12:00 pm-11:00 pm

2 stops17h 00m

Washington, D.C. Reagan-National

Wed 5/28

7:54 pm-4:30 pm

2 stops14h 36m

$563

BilbaoWashington, D.C.

BIO - DCA

BIODCA

Bilbao

Fri 6/6

6:45 am-7:59 pm

2 stops19h 14m

Washington, D.C. Reagan-National

Sat 6/14

2:54 pm-12:45 pm

2 stops15h 51m

$578

BilbaoWashington, D.C.

BIO - IAD

BIOIAD

Bilbao

Sat 5/24

6:50 am-3:35 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Wed 5/28

5:24 pm-4:30 pm

2 stops17h 06m

$597

BilbaoWashington, D.C.

BIO - IAD

BIOIAD

Bilbao

Wed 10/15

7:15 am-7:25 pm

1 stop18h 10m

Washington, D.C. Dulles Intl

Wed 11/5

1:05 pm-11:55 am

2 stops16h 50m

$622

BilbaoWashington, D.C.

BIO - IAD

BIOIAD

Bilbao

Fri 6/6

8:55 am-4:15 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Sat 6/14

10:20 pm-6:35 pm

2 stops38h 15m

$672

BilbaoWashington, D.C.

BIO - IAD

BIOIAD

Bilbao

Fri 6/6

11:50 am-7:25 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Sat 6/14

6:10 pm-1:20 pm

1 stop13h 10m

$701

BilbaoWashington, D.C.

BIO - DCA

BIODCA

Bilbao

Fri 6/6

12:30 pm-7:09 pm

1 stop12h 39m

Washington, D.C. Reagan-National

Sat 6/14

1:06 pm-11:05 am

2 stops15h 59m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 16 results
1
2

Best time to book a flight from Bilbao to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Bilbao 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 Bilbao to District of Columbia

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated April 30, 2025.
See what other customers who have flown with Delta, KLM and SWISS from Bilbao to District of Columbia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Bilbao to District of Columbia. 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 from for flights from Bilbao to District of Columbia?

    Located just 3.0 mi from the city center, Bilbao (BIO) is the airport most travelers will use when flying to District of Columbia from Bilbao.

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

    The cheapest airlines for a one-way flight from Bilbao to District of Columbia are Aer Lingus ($395), Delta ($663), and TAP AIR PORTUGAL ($761).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bilbao to District of Columbia 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 Bilbao to District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Bilbao to District of Columbia (average of $309). Flying from Bilbao to District of Columbia in June is currently the most expensive (average of $373). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bilbao to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Bilbao to Newark flights
Bilbao to John F Kennedy Intl flights
Bilbao to Orlando flights
Bilbao to Dallas/Fort Worth flights
Bilbao to Miami flights
Bilbao to Los Angeles flights
Bilbao to San Francisco flights
Bilbao to O'Hare Intl flights
San Sebastian to John F Kennedy Intl flights
Bilbao to Boston flights
Bilbao to Hobby flights
Bilbao to Las Vegas flights
Bilbao to Fort Lauderdale flights
San Sebastian to San Francisco flights
Bilbao to George Bush Intcntl flights
Bilbao to Manchester flights
Bilbao to West Palm Beach flights
Bilbao to Denver flights
Bilbao to Dulles Intl flights
Bilbao to Honolulu flights
San Sebastian to Miami flights
Bilbao to Pittsburgh flights
Bilbao to Baltimore flights
Bilbao to San Diego flights
Bilbao to St. Louis flights
San Sebastian to Los Angeles flights
Bilbao to Anchorage flights
Bilbao to Seattle flights
Bilbao to Santa Ana flights
Bilbao to Minneapolis flights
San Sebastian to O'Hare Intl flights
Bilbao to Sacramento flights
Bilbao to Sky Harbor Intl flights
Bilbao to Atlanta flights
Bilbao to Reno flights
Bilbao to San Jose flights
San Sebastian to Dulles Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.