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$391+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BIO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$464
(Delta)

One-way from

$391
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$644
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. 14% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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 10/61:50 pmBWI - BIO
2 stops14h 35mDelta
Wed 10/226:50 amBIO - BWI
2 stops16h 44mDelta
Deal found 9/14$464
This Delta deal was found by Cheapflights users on 9/14. 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 stops16h 15mDelta
Wed 10/227:10 amBIO - BWI
2 stops16h 24mDelta
Deal found 9/14$484
This Delta deal was found by Cheapflights users on 9/13. 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 12/3012:30 pmBWI - BIO
2 stops17h 00mDelta
Fri 2/2712:15 pmBIO - BWI
2 stops16h 44mDelta
Deal found 9/13$496
This Delta deal was found by Cheapflights users on 9/13. 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 12/3010:22 amBWI - BIO
2 stops19h 08mDelta
Wed 2/257:25 amBIO - BWI
2 stops17h 49mDelta
Deal found 9/13$521
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/3010:56 amBWI - BIO
2 stops31h 09mUnited Airlines
Thu 11/66:45 amBIO - BWI
2 stops20h 39mUnited Airlines
Deal found 9/14$526
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/296:15 amBWI - BIO
2 stops24h 50mUnited Airlines
Wed 11/511:35 amBIO - BWI
2 stops28h 24mUnited Airlines
Deal found 9/14$527
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/285:12 pmBWI - BIO
2 stops24h 53mMultiple Airlines
Tue 11/46:45 amBIO - BWI
2 stops20h 39mMultiple Airlines
Deal found 9/12$537
This Delta deal was found by Cheapflights users on 9/14. 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 stops16h 15mDelta
Tue 4/77:10 amBIO - BWI
2 stops18h 04mDelta
Deal found 9/14$539
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/3010:56 amBWI - BIO
2 stops20h 04mMultiple Airlines
Thu 11/66:45 amBIO - BWI
2 stops20h 39mMultiple Airlines
Deal found 9/14$546
This United Airlines deal was found by Cheapflights users on 9/13. 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 12/3110:44 amBWI - BIO
2 stops23h 26mMultiple Airlines
Sat 2/286:45 amBIO - BWI
2 stops20h 42mMultiple Airlines
Deal found 9/13$547

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 September 15, 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

Mon 10/6

1:50 pm-10:25 am

2 stops14h 35m

Bilbao

Wed 10/22

6:50 am-5:34 pm

2 stops16h 44m

$464

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 10/1

1:00 pm-11:15 am

2 stops16h 15m

Bilbao

Wed 10/22

7:10 am-5:17 pm

2 stops16h 07m

$484

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Tue 12/30

10:22 am-11:30 am

2 stops19h 08m

Bilbao

Thu 2/26

7:25 am-7:14 pm

2 stops17h 49m

$521

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Thu 10/30

10:56 am-11:05 pm

2 stops31h 09m

Bilbao

Thu 11/6

6:45 am-9:24 pm

2 stops20h 39m

$526

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 10/29

6:15 am-12:05 pm

2 stops24h 50m

Bilbao

Wed 11/5

11:35 am-9:59 am

2 stops28h 24m

$527

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Tue 10/28

5:12 pm-11:05 pm

2 stops24h 53m

Bilbao

Tue 11/4

6:45 am-9:24 pm

2 stops20h 39m

$537

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 10/1

1:00 pm-11:15 am

2 stops16h 15m

Bilbao

Tue 4/7

7:10 am-7:14 pm

2 stops18h 04m

$539

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Thu 10/30

10:56 am-12:00 pm

2 stops20h 04m

Bilbao

Thu 11/6

6:45 am-9:24 pm

2 stops20h 39m

$546

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 12/31

10:44 am-4:10 pm

2 stops23h 26m

Bilbao

Sat 2/28

6:45 am-9:27 pm

2 stops20h 42m

$547

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Wed 12/31

12:30 pm-11:30 am

2 stops17h 00m

Bilbao

Sat 2/28

7:25 am-7:14 pm

2 stops17h 49m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 15 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 September 15, 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 $464, Delta can have you in Bilbao from Baltimore in 14h 35m. The distance from Baltimore to Bilbao is about 3713 mi. This flight may include one or multiple stops.

  • 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 $1,136). 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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