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$292+ Cheap flights from Baltimore (BWI) 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BIO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Baltimore to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 20, 2025.

Round-trip from

$510
(United Airlines)

One-way from

$292
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$821
From Baltimore/Washington to Bilbao
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One-way flight from Baltimore/Washington to Bilbao
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Highest demand for flights based on searches. 12% potential increase in price ($111 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 August 2025
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Find flight deals from Baltimore to Bilbao

Cheapest flights from Baltimore to Bilbao
Explore the most affordable flight options available from Baltimore to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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 11/3010:30 pmBWI - BIO
2 stops36h 10mUnited Airlines
Wed 12/1012:50 pmBIO - BWI
2 stops34h 35mUnited Airlines
Deal found 8/18$510
This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:49 pmBWI - BIO
2 stops35h 41mMultiple Airlines
Thu 10/26:45 amBIO - BWI
2 stops21h 44mMultiple Airlines
Deal found 8/19$564
This KLM deal was found by Cheapflights users on 8/18. 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 12/12:10 pmBWI - BIO
2 stops15h 35mKLM
Tue 12/98:30 amBIO - BWI
2 stops16h 17mKLM
Deal found 8/18$614
This Delta deal was found by Cheapflights users on 8/18. 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 12/312:15 pmBWI - BIO
2 stops17h 15mDelta
Thu 12/117:25 amBIO - BWI
2 stops21h 31mDelta
Deal found 8/18$629
This Delta deal was found by Cheapflights users on 8/18. 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 10/11:00 pmBWI - BIO
2 stops15h 25mDelta
Wed 10/227:10 amBIO - BWI
2 stops16h 24mDelta
Deal found 8/18$630
This Delta deal was found by Cheapflights users on 8/18. 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 12/211:00 amBWI - BIO
2 stops42h 30mDelta
Tue 12/912:15 pmBIO - BWI
2 stops17h 57mDelta
Deal found 8/18$631
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/256:54 pmBWI - BIO
2 stops17h 26mUnited Airlines
Sun 10/511:50 amBIO - BWI
2 stops35h 54mUnited Airlines
Deal found 8/19$632
This Delta deal was found by Cheapflights users on 8/18. 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 12/17:45 pmBWI - BIO
2 stops39h 35mDelta
Thu 12/117:25 amBIO - BWI
2 stops17h 49mDelta
Deal found 8/18$635
This Delta deal was found by Cheapflights users on 8/18. 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 12/310:30 amBWI - BIO
2 stops19h 00mDelta
Mon 12/812:15 pmBIO - BWI
2 stops36h 59mDelta
Deal found 8/18$642
This Delta deal was found by Cheapflights users on 8/19. 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 9/301:00 pmBWI - BIO
2 stops15h 25mDelta
Thu 10/166:50 amBIO - BWI
2 stops16h 44mDelta
Deal found 8/19$644
This Delta deal was found by Cheapflights users on 8/18. 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 12/17:45 pmBWI - BIO
2 stops39h 35mDelta
Mon 12/812:15 pmBIO - BWI
2 stops36h 59mDelta
Deal found 8/18$648
This Delta deal was found by Cheapflights users on 8/18. 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 11/308:10 amBWI - BIO
2 stops21h 10mDelta
Fri 12/127:25 amBIO - BWI
2 stops17h 49mDelta
Deal found 8/18$656

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 August 20, 2025.
Use the filters below to find and compare flights from Baltimore to Bilbao that are best for you.

Fly from

Baltimore

Fly to

Bilbao

Route

Depart

Return

Price

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sun 11/30

10:30 pm-4:40 pm

2 stops36h 10m

Bilbao

Wed 12/10

12:50 pm-5:25 pm

2 stops34h 35m

$510

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 9/24

2:49 pm-8:30 am

2 stops35h 41m

Bilbao

Thu 10/2

6:45 am-10:29 pm

2 stops21h 44m

$564

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Thu 1/22

10:45 am-12:50 pm

2 stops20h 05m

Bilbao

Thu 1/29

12:50 pm-1:57 pm

3 stops31h 07m

$568

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Thu 1/22

10:45 am-12:50 pm

3 stops20h 05m

Bilbao

Thu 1/29

12:50 pm-1:57 pm

3 stops31h 07m

$568

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Mon 12/1

2:10 pm-11:45 am

2 stops15h 35m

Bilbao

Wed 12/10

8:30 am-6:47 pm

2 stops16h 17m

$614

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Mon 12/1

2:10 pm-11:45 am

2 stops15h 35m

Bilbao

Tue 12/9

8:30 am-6:47 pm

2 stops16h 17m

$614

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 12/3

12:15 pm-11:30 am

2 stops17h 15m

Bilbao

Thu 12/11

7:25 am-10:56 pm

2 stops21h 31m

$629

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 12/3

10:30 am-11:30 am

2 stops19h 00m

Bilbao

Fri 12/12

7:25 am-7:14 pm

2 stops17h 49m

$629

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 12/3

2:10 pm-11:30 am

2 stops15h 20m

Bilbao

Wed 12/10

7:25 am-7:14 pm

2 stops17h 49m

$629

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 12/3

2:10 pm-11:30 am

2 stops15h 20m

Bilbao

Tue 12/9

7:25 am-6:47 pm

2 stops17h 22m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 21 results
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Best time to book a flight from Baltimore to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Baltimore 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 Baltimore to Bilbao

What is the cheapest time of day to fly from BWI to BIO?

Find hourly flight availability from Baltimore 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 August 20, 2025.

When flying from Baltimore 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 Baltimore to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Baltimore to Bilbao?

    For as low as $510, United Airlines can have you in Bilbao from Baltimore in 36h 10m. The distance from Baltimore to Bilbao is about 3713 mi.

  • Can I find deals for flights from Baltimore to Bilbao that include hotel bookings?

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

  • How can I find direct flights from Baltimore to Bilbao?

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

  • Can I find deals for business class flights from Baltimore to Bilbao?

    Yes. Cheapflights offers flight deals from Baltimore 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 Baltimore to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to Bilbao (average of $541). Flying from Baltimore to Bilbao in June is currently the most expensive (average of $1,138). 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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