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Cheap flights from Baltimore to San Sebastian from $474

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to San Sebastian departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Baltimore to San Sebastian (BWI-EAS)

Cheap round-trip flights

American Airlines Logo
1:05 pm - 8:40 amBWI-EAS
13h 35m2 stops
American Airlines Logo
1:40 pm - 11:48 pmEAS-BWI
40h 08m2 stops
$842American Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
Iberia Logo
9:35 pm - 8:50 pmBWI-EAS
17h 15m2 stops
Iberia Logo
9:30 pm - 7:45 pmEAS-BWI
28h 15m2 stops
$1,017Iberia
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Mon, Sep 29 - Tue, Oct 7
Logo
9:35 pm - 8:40 amBWI-EAS
29h 05m2 stops
Logo
9:30 pm - 7:45 pmEAS-BWI
28h 15m2 stops
$1,075
Find Deal
Tue, Oct 14 - Tue, Oct 21
Logo
9:35 pm - 8:40 amBWI-EAS
29h 05m2 stops
Logo
9:30 pm - 7:45 pmEAS-BWI
28h 15m2 stops
$1,460
Find Deal
Wed, Sep 24 - Sun, Sep 28
Logo
9:35 pm - 8:40 amBWI-EAS
29h 05m2 stops
Logo
9:30 pm - 7:45 pmEAS-BWI
28h 15m2 stops
$1,529
Find Deal
Wed, Sep 24 - Sun, Sep 28

momondo 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, momondo users made 832,500 searches. Data last updated September 1, 2025.
Use the filters below to find and compare flights from Baltimore to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Fri 10/17

1:05 pm-8:40 am

2 stops13h 35m

San Sebastián

Tue 10/21

1:40 pm-11:48 pm

2 stops40h 08m

$842

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 9/29

9:35 pm-8:50 pm

2 stops17h 15m

San Sebastián

Tue 10/7

9:30 pm-7:45 pm

2 stops28h 15m

$1,017

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Tue 10/14

9:35 pm-8:40 am

2 stops29h 05m

San Sebastián

Tue 10/21

9:30 pm-7:45 pm

2 stops28h 15m

$1,075

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-7:45 pm

2 stops28h 15m

$1,460

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-7:45 pm

2 stops28h 15m

$1,529

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 10/13

10:50 am-8:40 am

2 stops15h 50m

$474

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Baltimore to San Sebastian

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to San Sebastian?

On average, the least expensive day to fly to San Sebastian from Baltimore is on a Thursday. momondo users have found tickets for Thursday departures for as low as $702. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Baltimore to San Sebastian for around $1,191.

What is the cheapest time of day to depart on your flight to San Sebastian?

Flying to San Sebastian from Baltimore in the evening is the least expensive time of day to depart. momondo users have found prices as low as $957 when looking at flights departing in the evening. Flights to San Sebastian are more costly in the afternoon, with an average ticket price of $1,087. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Baltimore to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to San Sebastian (BWI to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to San Sebastian

Direct flights

None
There are no direct flights from Baltimore to San Sebastian. There are no popular flight routes from Baltimore to San Sebastian.
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  • How far is Baltimore/Washington to San Sebastián by plane?

    There are 3748.9 mi between Baltimore/Washington and San Sebastián. Flights usually cover this in 13h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to San Sebastián Airport?

    Prices for flights from Baltimore/Washington Airport to San Sebastián Airport were last updated today.

  • How old do you have to be to fly from Baltimore/Washington Airport to San Sebastián Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to San Sebastián Airport.

  • What documentation or ID do you need to fly to San Sebastián Airport?

    The necessary travel and health documents for your San Sebastián Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Irun
Hondarribia

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to San Sebastian?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baltimore to San Sebastian for you.

Can I find flights from Baltimore to San Sebastian with flexible booking policies on momondo?

All flight searches from Baltimore to San Sebastian on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Baltimore to San Sebastian?

Once you have performed a search for Baltimore to San Sebastian flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Baltimore to San Sebastian right now. Can momondo alert me if prices change?

Price alerts on flights to San Sebastian from Baltimore are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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