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San Sebastian

$1,163+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — EAS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:35 pm
BWI
-
EAS
2 stops29h 05m
Multiple Airlines
Wed 4/229:30 pm
EAS
-
BWI
2 stops30h 36m
Multiple Airlines
Deal found 1/27$1,163
This Iberia deal was found by Cheapflights users on 1/27. 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.
Mon 9/219:30 pm
BWI
-
EAS
2 stops29h 10m
Iberia
Wed 9/309:30 pm
EAS
-
BWI
2 stops28h 10m
Iberia
Deal found 1/27$1,438
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:35 pm
BWI
-
EAS
2 stops41h 15m
Iberia
Thu 10/19:20 am
EAS
-
BWI
2 stops40h 20m
Iberia
Deal found 1/26$1,477
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:23 pm
BWI
-
EAS
2 stops14h 17m
Multiple Airlines
Tue 3/39:30 pm
EAS
-
BWI
2 stops31h 25m
Multiple Airlines
Deal found 1/27$1,521
This American Airlines deal was found by Cheapflights users on 1/28. 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 5/2210:10 am
BWI
-
EAS
2 stops16h 30m
American Airlines
Sun 5/319:20 am
EAS
-
BWI
2 stops15h 47m
American Airlines
Deal found 1/28$2,075
This American Airlines deal was found by Cheapflights users on 1/28. 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 3/1412:23 pm
BWI
-
EAS
2 stops15h 17m
American Airlines
Sat 3/219:30 pm
EAS
-
BWI
2 stops22h 00m
American Airlines
Deal found 1/28$3,177

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 January 29, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,163
(Priceline)

Popular in

July

Cheapest in

January

Average price

$592
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. 23% potential increase in price ($282 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 January 29, 2026.
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 4/19

9:35 pm-8:40 am

2 stops29h 05m

San Sebastián

Wed 4/22

9:30 pm-10:06 pm

2 stops30h 36m

$1,163

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 2/28

12:23 pm-8:40 am

2 stops14h 17m

San Sebastián

Tue 3/3

9:30 pm-10:55 pm

2 stops31h 25m

$1,521

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Fri 5/22

10:10 am-8:40 am

2 stops16h 30m

San Sebastián

Sun 5/31

9:20 am-7:07 pm

2 stops15h 47m

$2,075

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 3/14

12:23 pm-8:40 am

2 stops15h 17m

San Sebastián

Sat 3/21

9:30 pm-2:30 pm

2 stops22h 00m

$3,177

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Thu 7/9

9:30 pm-5:35 pm

2 stops38h 05m

$1,396

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

  • Most accurate provider: When it comes to deals on Baltimore-San Sebastian flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Baltimore-San Sebastian flight deals on Cheapflights vs. Ovago 90-95% 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 Ovago the most. Ovago 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.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to San Sebastian

What is the cheapest month to book a flight from Baltimore to San Sebastian?

Currently, January is the cheapest month in which you can book a flight from Baltimore to San Sebastian (average of $337). Flying from Baltimore to San Sebastian 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 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 16h 30m. American Airlines provides one of the quickest options available for as low as $2,075. 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.

  • What is the cheapest month to book a flight from Baltimore to San Sebastian?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to San Sebastian (average of $337). Flying from Baltimore to San Sebastian 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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