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$545+ Cheap flights from Baltimore (BWI) to Bilbao (BIO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BIO
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$545
(United Airlines)

One-way from

$488
(Delta)

Popular in

December

Cheapest in

February

Average price

$729
Provider with most accurate pricing for Baltimore/Washington-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Bilbao flights.
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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 ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 12/35:18 pmBWI - BIO
2 stops24h 02mUnited Airlines
Sun 12/76:45 amBIO - BWI
2 stops40h 40mUnited Airlines
Deal found 11/18$552
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:19 amBWI - BIO
2 stops23h 31mAmerican Airlines
Wed 12/319:15 amBIO - BWI
2 stops16h 08mAmerican Airlines
Deal found 11/19$1,115
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:40 amBWI - BIO
3 stops30h 15mMultiple Airlines
Wed 12/314:50 pmBIO - BWI
3 stops36h 59mMultiple Airlines
Deal found 11/19$1,234
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:35 pmBWI - BIO
2 stops14h 20mAmerican Airlines
Sat 12/279:15 amBIO - BWI
2 stops16h 14mAmerican Airlines
Deal found 11/19$3,747
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/195:36 pmBWI - BIO
2 stops17h 44mDelta
Sat 12/277:25 amBIO - BWI
2 stops15h 26mDelta
Deal found 11/20$9,625

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 November 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

Tue 3/31

3:44 pm-5:50 pm

2 stops20h 06m

Bilbao

Wed 4/8

6:45 am-9:33 pm

2 stops20h 48m

$545

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sun 4/19

3:44 pm-4:05 pm

2 stops18h 21m

Bilbao

Tue 4/28

6:45 am-9:33 pm

2 stops20h 48m

$546

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 12/3

5:18 pm-11:20 pm

2 stops24h 02m

Bilbao

Sun 12/7

6:45 am-5:25 pm

2 stops40h 40m

$552

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Fri 2/13

5:14 pm-12:50 pm

2 stops37h 36m

Bilbao

Sat 2/21

6:45 am-9:27 pm

2 stops20h 42m

$591

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Mon 5/4

7:03 pm-11:15 pm

2 stops22h 12m

Bilbao

Thu 5/21

6:45 am-7:22 pm

2 stops18h 37m

$730

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sun 1/11

12:00 pm-11:30 am

2 stops17h 30m

Bilbao

Mon 1/26

6:50 am-7:40 pm

2 stops18h 50m

$764

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sun 1/4

7:40 pm-10:55 pm

3 stops21h 15m

Bilbao

Sun 1/11

7:25 am-6:40 pm

2 stops17h 15m

$841

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sun 2/15

12:15 pm-8:30 am

2 stops14h 15m

$947

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sat 2/14

7:40 pm-12:20 pm

2 stops34h 40m

$1,261

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sun 2/15

6:00 am-4:40 pm

3 stops28h 40m

$1,333

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 12 results
1
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Compare providers for flights from Baltimore to Bilbao

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Bilbao in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Bilbao flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Bilbao flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Baltimore-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Bilbao flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Bilbao flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 $546, United Airlines can have you in Bilbao from Baltimore in 18h 21m. The distance from Baltimore to Bilbao is about 3713 mi.

  • What are the cheapest airlines to fly from Baltimore to Bilbao one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $488. American Airlines flights start at $947 while deals on Iberia start at $1,101 one-way.

  • 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.

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