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Bilbao

$349+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BIO
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap 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 February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 4/133:42 pm
BWI
-
BIO
2 stops25h 43m
United Airlines
Thu 4/306:50 am
BIO
-
BWI
2 stops16h 38m
United Airlines
Deal found 2/2$589
This United Airlines deal was found by Cheapflights users on 2/4. 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 9/2210:45 am
BWI
-
BIO
2 stops18h 00m
United Airlines
Sat 10/36:50 am
BIO
-
BWI
3 stops20h 07m
United Airlines
Deal found 2/4$635
This Delta deal was found by Cheapflights users on 2/2. 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 3/211:45 am
BWI
-
BIO
2 stops17h 45m
Delta
Mon 3/96:50 am
BIO
-
BWI
2 stops17h 29m
Delta
Deal found 2/2$688
This Delta deal was found by Cheapflights users on 2/4. 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 4/1310:40 am
BWI
-
BIO
2 stops17h 10m
Delta
Mon 4/207:10 am
BIO
-
BWI
2 stops18h 06m
Delta
Deal found 2/4$698
This Delta deal was found by Cheapflights users on 2/3. 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 3/2910:54 am
BWI
-
BIO
2 stops16h 56m
Delta
Thu 4/912:00 pm
BIO
-
BWI
2 stops27h 39m
Delta
Deal found 2/3$716
This Delta deal was found by Cheapflights users on 2/1. 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 3/3010:54 am
BWI
-
BIO
2 stops16h 56m
Delta
Wed 4/86:45 am
BIO
-
BWI
2 stops18h 34m
Delta
Deal found 2/1$717
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 3/303:35 pm
BWI
-
BIO
2 stops25h 50m
United Airlines
Wed 4/86:50 am
BIO
-
BWI
2 stops20h 33m
United Airlines
Deal found 2/3$718
This Delta deal was found by Cheapflights users on 2/3. 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 3/285:20 pm
BWI
-
BIO
2 stops34h 30m
Delta
Thu 4/96:45 am
BIO
-
BWI
2 stops22h 16m
Delta
Deal found 2/3$722
This Delta deal was found by Cheapflights users on 2/3. 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 3/2910:54 am
BWI
-
BIO
2 stops16h 56m
Delta
Wed 4/87:10 am
BIO
-
BWI
2 stops18h 09m
Delta
Deal found 2/3$723
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 3/285:12 pm
BWI
-
BIO
2 stops48h 13m
United Airlines
Wed 4/86:50 am
BIO
-
BWI
2 stops20h 33m
United Airlines
Deal found 2/3$725
This Delta deal was found by Cheapflights users on 2/3. 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 3/2910:54 am
BWI
-
BIO
2 stops16h 56m
Delta
Tue 4/710:30 am
BIO
-
BWI
2 stops38h 49m
Delta
Deal found 2/3$736
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 3/285:12 pm
BWI
-
BIO
2 stops48h 13m
United Airlines
Thu 4/96:50 am
BIO
-
BWI
2 stops20h 33m
United Airlines
Deal found 2/3$737

Find 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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$589
(United Airlines)

One-way from

$349
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$670
Provider with most accurate pricing for Baltimore/Washington-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Bilbao flights.
Search Deals
From Baltimore/Washington to Bilbao
Search Deals
One-way flight from Baltimore/Washington to Bilbao
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 5, 2026.
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 3/2

11:45 am-11:30 am

2 stops17h 45m

Bilbao

Mon 3/9

6:50 am-7:19 pm

2 stops17h 29m

$688

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sun 3/29

10:54 am-5:30 pm

2 stops24h 36m

Bilbao

Tue 4/7

12:00 pm-7:19 pm

2 stops37h 19m

$716

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Mon 3/30

10:54 am-9:50 am

2 stops16h 56m

Bilbao

Wed 4/8

6:45 am-7:19 pm

2 stops18h 34m

$717

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Mon 3/30

6:00 am-11:25 pm

2 stops35h 25m

Bilbao

Thu 4/9

6:50 am-9:23 pm

2 stops20h 33m

$718

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Mon 3/30

3:35 pm-11:25 pm

2 stops25h 50m

Bilbao

Wed 4/8

6:50 am-9:23 pm

2 stops20h 33m

$718

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sun 3/29

3:35 pm-5:55 pm

2 stops20h 20m

Bilbao

Wed 4/8

6:50 am-9:23 pm

2 stops20h 33m

$718

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Tue 3/31

3:35 pm-11:25 pm

2 stops25h 50m

Bilbao

Wed 4/8

6:50 am-9:23 pm

2 stops20h 33m

$718

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sat 3/28

5:20 pm-8:50 am

2 stops34h 30m

Bilbao

Wed 4/8

12:00 pm-11:01 pm

2 stops41h 01m

$722

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Sat 3/28

5:12 pm-10:25 pm

2 stops48h 13m

Bilbao

Wed 4/8

6:50 am-9:23 pm

2 stops20h 33m

$725

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

Tue 3/3

10:30 am-12:50 pm

2 stops20h 20m

Bilbao

Tue 3/10

7:40 am-9:42 pm

2 stops19h 02m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 14 results
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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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Bilbao flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Bilbao

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 $337). Flying from Baltimore to Bilbao in July is currently the most expensive (average of $649). 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.

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 $688, Delta can have you in Bilbao from Baltimore in 17h 45m. 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 $337). Flying from Baltimore to Bilbao in July is currently the most expensive (average of $649). 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.

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