HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$216+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BIO
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore 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 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 julio 3, 2025.

Round-trip from

$611
(Delta)

One-way from

$216
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$786
From Baltimore/Washington to Bilbao
Search Deals
One-way flight from Baltimore/Washington to Bilbao
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($106 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 July 2025
Search Deals

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 julio 3, 2025.

This Delta deal was found by Cheapflights users on 7/2. 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.
mar. 10/2112:15 pmBWI - BIO
2 stops16h 10mDelta
jue. 11/67:20 amBIO - BWI
2 stops16h 02mDelta
Deal found 7/2$521
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/216:54 pmBWI - BIO
2 stops22h 31mUnited Airlines
jue. 11/67:25 amBIO - BWI
3 stops19h 59mUnited Airlines
Deal found 7/1$524
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/106:50 pmBWI - BIO
2 stops16h 40mMultiple Airlines
mié. 9/177:10 pmBIO - BWI
3 stops28h 30mMultiple Airlines
Deal found 7/1$650
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/181:12 pmBWI - BIO
2 stops13h 18mAmerican Airlines
dom. 8/311:30 pmBIO - BWI
2 stops16h 29mAmerican Airlines
Deal found 7/1$814
This Ovago deal was found by Cheapflights users on 7/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/218:30 pmBWI - BIO
2 stops14h 25mBritish Airways
sáb. 11/296:45 amBIO - BWI
2 stops18h 00mBritish Airways
Deal found 7/1$1,083

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 julio 3, 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

lun. 8/18

1:06 pm-11:15 am

2 stops16h 09m

Bilbao

mar. 9/2

11:05 am-11:17 pm

2 stops18h 12m

$552

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

mié. 9/10

6:50 pm-5:30 pm

2 stops16h 40m

Bilbao

mié. 9/17

7:10 pm-5:40 pm

3 stops28h 30m

$650

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

lun. 8/18

1:12 pm-8:30 am

2 stops13h 18m

Bilbao

dom. 8/31

1:30 pm-11:59 pm

2 stops16h 29m

$814

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

vie. 8/15

6:15 am-6:25 pm

2 stops30h 10m

Bilbao

vie. 8/22

12:30 pm-9:55 am

2 stops27h 25m

$1,002

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

mié. 9/17

9:20 pm-11:15 pm

2 stops19h 55m

Bilbao

mar. 9/30

9:15 am-7:35 pm

2 stops16h 20m

$1,660

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

sáb. 9/20

7:48 pm-1:10 pm

2 stops35h 22m

$216

BaltimoreBilbao

BWI - BIO

BWIBIO

Baltimore/Washington

mié. 7/30

1:08 pm-11:00 am

2 stops15h 52m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 julio 3, 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.

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 julio 3, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Baltimore to Bilbao to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
British Airways
6.6
Okay
7,093 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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

  • What are the cheapest airlines flying from Baltimore to Bilbao round-trip?

    Cheapflights users have booked flights from Baltimore to Bilbao round-trip from $611. Other airlines that can offer you cheap pricing are American Airlines, from $814, and United Airlines, from $1,002.

  • 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 $1,142). 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.

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.