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$922+ Cheap flights from Baltimore (BWI) to San Sebastian (EAS)

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — EAS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Baltimore to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to San Sebastian (EAS). 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 11, 2025.

Round-trip from

$922
(American Airlines)

Popular in

April

Cheapest in

February

Average price

$857
From Baltimore/Washington to San Sebastián
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Highest demand for flights based on searches. 4% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 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 San Sebastian

Cheapest flights from Baltimore to San Sebastian
Explore the most affordable flight options available from Baltimore to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/8. 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 10/176:28 amBWI - EAS
2 stops20h 12mAmerican Airlines
Tue 10/211:40 pmEAS - BWI
2 stops40h 08mAmerican Airlines
Deal found 9/8$922
This Ovago deal was found by Cheapflights users on 9/9. 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.
Wed 9/249:35 pmBWI - EAS
2 stops29h 05mMultiple Airlines
Sun 9/289:30 pmEAS - BWI
2 stops31h 32mMultiple Airlines
Deal found 9/9$1,732
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/2510:45 amBWI - EAS
2 stops16h 55mAmerican Airlines
Sat 11/19:30 pmEAS - BWI
2 stops22h 57mAmerican Airlines
Deal found 9/10$3,017

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to San Sebastian 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 11, 2025.
Use the filters below to find and compare flights from Baltimore to San Sebastian that are best for you.

Fly from

Baltimore

Fly to

San Sebastian

Route

Depart

Return

Price

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Fri 10/17

6:28 am-8:40 am

2 stops20h 12m

San Sebastián

Tue 10/21

1:40 pm-11:48 pm

2 stops40h 08m

$922

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 9/24

9:35 pm-8:40 am

2 stops29h 05m

San Sebastián

Sun 9/28

9:30 pm-11:02 pm

2 stops31h 32m

$1,732

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 10/25

10:45 am-9:40 am

2 stops16h 55m

San Sebastián

Sat 11/1

9:30 pm-3:27 pm

2 stops22h 57m

$3,017

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Best time to book a flight from Baltimore to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian 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 San Sebastian. 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 San Sebastian?

    A quick flight from Baltimore to San Sebastian can take about 20h 12m. American Airlines provides one of the quickest options available for as low as $922. Baltimore and San Sebastian are separated by a distance of 3763 mi.

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

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

  • How can I find direct flights from Baltimore to San Sebastian?

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

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

    Yes. Cheapflights offers flight deals from Baltimore to San Sebastian 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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