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San Sebastian

$687+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — EAS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Baltimore to San Sebastian

Best flights from Baltimore to San Sebastian
Discover carefully curated flight deals from Baltimore to San Sebastian that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 1/2411:13 amBWI - EAS
2 stops15h 27mAmerican Airlines
Sat 1/319:30 pmEAS - BWI
2 stops27h 15mAmerican Airlines
Deal found 12/10$687
This Iberia deal was found by Cheapflights users on 12/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:35 pmBWI - EAS
2 stops18h 15mIberia
Sun 2/159:30 pmEAS - BWI
2 stops51h 15mIberia
Deal found 12/11$1,002
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:30 pmBWI - EAS
1 stop32h 45mMultiple Airlines
Wed 6/249:30 pmEAS - BWI
2 stops27h 52mMultiple Airlines
Deal found 12/11$1,586
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:30 pmBWI - EAS
2 stops29h 10mIberia
Wed 6/249:30 pmEAS - BWI
2 stops28h 10mIberia
Deal found 12/11$1,612

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$687
(American Airlines)

Popular in

April

Cheapest in

January
Provider with most accurate pricing for Baltimore/Washington-San Sebastián flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-San Sebastián flights.
Search Deals
From Baltimore/Washington to San Sebastián
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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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 December 12, 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

Sat 1/24

11:13 am-8:40 am

2 stops15h 27m

San Sebastián

Sat 1/31

9:30 pm-6:45 pm

2 stops27h 15m

$687

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 2/11

8:35 pm-8:50 pm

2 stops18h 15m

San Sebastián

Sun 2/15

9:30 pm-6:45 pm

2 stops51h 15m

$1,002

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 6/6

9:30 pm-12:15 pm

1 stop32h 45m

San Sebastián

Wed 6/24

9:30 pm-7:22 pm

2 stops27h 52m

$1,586

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 6/6

9:30 pm-8:40 am

2 stops29h 10m

San Sebastián

Wed 6/24

9:30 pm-7:40 pm

2 stops28h 10m

$1,612

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

  • Most accurate provider: When it comes to deals on Baltimore-San Sebastian flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-San Sebastian flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Baltimore-San Sebastian flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-San Sebastian 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-San Sebastian 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 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 15h 27m. American Airlines provides one of the quickest options available for as low as $687. Baltimore and San Sebastian are separated by a distance of 3763 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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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