HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$385+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BIO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to Bilbao 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 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 June 12, 2025.

Round-trip from

$510
(CrystalTravel)

One-way from

$385
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$866
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. 12% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This oojo deal was found by Cheapflights users on 6/11. 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.
Sun 9/285:45 pmIAD - BIO
1 stop11h 55mTAP AIR PORTUGAL
Wed 10/812:25 pmBIO - IAD
1 stop14h 25mTAP AIR PORTUGAL
Deal found 6/11$479
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Wed 10/14:35 pmIAD - BIO
1 stop9h 55mIberia
Wed 10/159:15 amBIO - IAD
1 stop11h 45mIberia
Deal found 6/11$485
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Tue 9/3010:20 pmIAD - BIO
1 stop19h 05mLufthansa
Tue 10/146:45 amBIO - IAD
1 stop15h 05mLufthansa
Deal found 6/11$489
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:40 pmIAD - BIO
2 stops22h 45mUnited Airlines
Wed 10/86:45 amBIO - IAD
1 stop15h 05mUnited Airlines
Deal found 6/10$494
This SWISS deal was found by Cheapflights users on 6/11. 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 9/298:45 pmIAD - BIO
1 stop17h 30mSWISS
Tue 10/149:00 pmBIO - IAD
1 stop25h 15mSWISS
Deal found 6/11$496
This Air Canada deal was found by Cheapflights users on 6/11. 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 9/299:40 amDCA - BIO
2 stops24h 25mAir Canada
Thu 10/96:45 amBIO - DCA
2 stops15h 06mAir Canada
Deal found 6/11$497
This Air Canada deal was found by Cheapflights users on 6/11. 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 9/299:45 amIAD - BIO
2 stops24h 20mAir Canada
Wed 10/86:45 amBIO - IAD
2 stops20h 40mAir Canada
Deal found 6/11$504
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 9/307:30 pmDCA - BIO
2 stops15h 10mDelta
Wed 10/811:05 amBIO - DCA
2 stops16h 09mDelta
Deal found 6/11$519
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:05 pmIAD - BIO
1 stop29h 55mScandinavian Airlines
Fri 9/58:40 pmBIO - IAD
1 stop29h 19mScandinavian Airlines
Deal found 6/10$533
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sun 10/59:45 amIAD - BIO
2 stops24h 20mMultiple Airlines
Sat 10/117:15 pmBIO - IAD
1 stop26h 35mMultiple Airlines
Deal found 6/11$537
This Delta deal was found by Cheapflights users on 6/11. 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 10/112:30 pmIAD - BIO
2 stops15h 55mDelta
Sat 10/117:10 amBIO - IAD
1 stop18h 05mDelta
Deal found 6/11$560
This Austrian Airlines deal was found by Cheapflights users on 6/11. 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 9/285:25 pmIAD - BIO
2 stops47h 00mAustrian Airlines
Thu 10/96:45 amBIO - IAD
2 stops37h 50mAustrian Airlines
Deal found 6/11$569

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 June 12, 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 9/28

5:45 pm-11:40 am

1 stop11h 55m

Bilbao

Wed 10/8

12:25 pm-8:50 pm

1 stop14h 25m

$479

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 10/1

4:35 pm-8:30 am

1 stop9h 55m

Bilbao

Wed 10/15

9:15 am-3:00 pm

1 stop11h 45m

$485

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Tue 9/30

10:20 pm-11:25 pm

1 stop19h 05m

Bilbao

Tue 10/14

6:45 am-3:50 pm

1 stop15h 05m

$489

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sun 9/28

6:40 pm-11:25 pm

2 stops22h 45m

Bilbao

Wed 10/8

6:45 am-3:50 pm

1 stop15h 05m

$494

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 9/29

8:45 pm-8:15 pm

1 stop17h 30m

Bilbao

Tue 10/14

9:00 pm-4:15 pm

1 stop25h 15m

$496

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Mon 9/29

9:40 am-4:05 pm

2 stops24h 25m

Bilbao

Thu 10/9

6:45 am-3:51 pm

2 stops15h 06m

$497

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 9/29

9:45 am-4:05 pm

2 stops24h 20m

Bilbao

Wed 10/8

6:45 am-9:25 pm

2 stops20h 40m

$504

Washington, D.C.Bilbao

DCA - BIO

DCABIO

Washington, D.C. Reagan-National

Tue 9/30

7:30 pm-4:40 pm

2 stops15h 10m

Bilbao

Wed 10/8

11:05 am-9:14 pm

2 stops16h 09m

$519

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sat 8/23

10:05 pm-10:00 am

1 stop29h 55m

Bilbao

Fri 9/5

8:40 pm-7:59 pm

1 stop29h 19m

$533

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sun 10/5

9:45 am-4:05 pm

2 stops24h 20m

Bilbao

Sat 10/11

7:15 pm-3:50 pm

1 stop26h 35m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 32 results
1
2
3
4

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 June 12, 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 June 12, 2025.
Read through reviews of airlines operating flights from District of Columbia to Bilbao, such as Delta, KLM and Air France. 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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Iberia ($406), TAP AIR PORTUGAL ($434), and SWISS ($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 $1,139). 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 District of Columbia to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Bilbao flights
John F Kennedy Intl to Bilbao flights
LaGuardia to Bilbao flights
San Francisco to Bilbao flights
John F Kennedy Intl to San Sebastian flights
Dulles Intl to Bilbao flights
Reagan-National to Bilbao flights
Miami to Bilbao flights
Los Angeles to Bilbao flights
Hobby to Bilbao flights
Boston to Bilbao flights
Baltimore to Bilbao flights
Dallas/Fort Worth to San Sebastian flights
Seattle to Bilbao flights
Denver to Bilbao flights
Los Angeles to San Sebastian flights
Newark to San Sebastian flights
Boston to San Sebastian flights
O'Hare Intl to Bilbao flights
Dulles Intl to San Sebastian flights
San Jose to Bilbao flights
LaGuardia to San Sebastian flights
Philadelphia to San Sebastian flights
George Bush Intcntl to Bilbao flights
San Francisco to San Sebastian flights
Boise to Bilbao flights
Reagan-National to San Sebastian flights
O'Hare Intl to San Sebastian flights
Salt Lake City to Bilbao flights
Dallas/Fort Worth to Bilbao flights
Miami to San Sebastian flights
New Orleans to Bilbao flights
Atlanta to Bilbao flights
Austin to Bilbao flights
Raleigh to Bilbao flights
Portland to Bilbao flights
Detroit to Bilbao flights
Ontario to Bilbao flights
Fort Lauderdale to Bilbao flights
Pittsburgh to Bilbao flights
Tampa to Bilbao flights
Minneapolis to Bilbao flights
Charlotte to Bilbao flights
Omaha to Bilbao flights
Ontario to San Sebastian flights
Midway to Bilbao flights
San Diego to Bilbao flights
Baltimore to San Sebastian flights
Orlando to Bilbao 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$431Average$872FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$449Average$826FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$507Average$700FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$591Average$760FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$605Average$820FlexibilityNo cancel feeOn-time76%

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.