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$1,062+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — EAS
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

This Flightnetwork deal was found by Cheapflights users on 10/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3011:50 amBWI - EAS
2 stops14h 50mMultiple Airlines
Tue 12/169:20 amEAS - BWI
2 stops15h 25mMultiple Airlines
Deal found 10/26$1,062
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/1711:09 amBWI - EAS
2 stops15h 31mAmerican Airlines
Tue 12/309:20 amEAS - BWI
2 stops18h 45mAmerican Airlines
Deal found 10/26$1,650
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/1711:09 amBWI - EAS
2 stops15h 31mAmerican Airlines
Mon 12/299:30 pmEAS - BWI
2 stops30h 35mAmerican Airlines
Deal found 10/26$1,660
This Iberia deal was found by Cheapflights users on 10/27. 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.
Fri 11/78:35 pmBWI - EAS
2 stops30h 05mIberia
Tue 11/119:30 pmEAS - BWI
2 stops27h 15mIberia
Deal found 10/27$1,670
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 12/236:00 amBWI - EAS
2 stops25h 00mAmerican Airlines
Tue 12/309:20 amEAS - BWI
2 stops16h 05mAmerican Airlines
Deal found 10/26$1,725
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 12/236:00 amBWI - EAS
2 stops25h 00mAmerican Airlines
Mon 12/299:30 pmEAS - BWI
2 stops27h 55mAmerican Airlines
Deal found 10/26$1,735
This Iberia deal was found by Cheapflights users on 10/25. 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.
Fri 10/319:35 pmBWI - EAS
2 stops30h 05mIberia
Tue 11/49:30 pmEAS - BWI
2 stops51h 15mIberia
Deal found 10/25$2,128
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/2012:24 pmBWI - EAS
2 stops14h 16mAmerican Airlines
Wed 12/319:20 amEAS - BWI
2 stops16h 03mAmerican Airlines
Deal found 10/26$2,617
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/196:00 amBWI - EAS
2 stops25h 00mMultiple Airlines
Fri 1/29:20 amEAS - BWI
2 stops16h 09mMultiple Airlines
Deal found 10/27$8,185

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,062
(Flightnetwork)

Popular in

April

Cheapest in

January

Average price

$687
Provider with most accurate pricing for Washington, D.C. (WAS)-San Sebastián flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Sebastián flights.
Search Deals
From Baltimore/Washington to San Sebastián
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 28, 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

Sun 11/30

11:50 am-8:40 am

2 stops14h 50m

San Sebastián

Tue 12/16

9:20 am-6:45 pm

2 stops15h 25m

$1,062

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 12/17

11:09 am-8:40 am

2 stops15h 31m

San Sebastián

Tue 12/30

9:20 am-10:05 pm

2 stops18h 45m

$1,650

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 12/17

11:09 am-8:40 am

2 stops15h 31m

San Sebastián

Mon 12/29

9:30 pm-10:05 pm

2 stops30h 35m

$1,660

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Fri 11/7

8:35 pm-8:40 am

2 stops30h 05m

San Sebastián

Tue 11/11

9:30 pm-6:45 pm

2 stops27h 15m

$1,670

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Tue 12/23

6:00 am-1:00 pm

2 stops25h 00m

San Sebastián

Tue 12/30

9:20 am-7:25 pm

2 stops16h 05m

$1,725

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Tue 12/23

6:00 am-1:00 pm

2 stops25h 00m

San Sebastián

Mon 12/29

9:30 pm-7:25 pm

2 stops27h 55m

$1,735

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 12/20

12:24 pm-8:40 am

2 stops14h 16m

San Sebastián

Wed 12/31

9:20 am-7:23 pm

2 stops16h 03m

$2,617

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Fri 12/19

6:00 am-1:00 pm

2 stops25h 00m

San Sebastián

Fri 1/2

9:20 am-7:29 pm

2 stops16h 09m

$8,185

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 31m. American Airlines provides one of the quickest options available for as low as $1,650. 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.

See more FAQs

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