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Cheap flights from Baltimore to San Sebastian from $338

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 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Baltimore to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:55 am - 8:40 am
BWI
-
EAS
15h 45m
2 stops
American Airlines Logo
9:20 am - 7:22 pm
EAS
-
BWI
16h 02m
2 stops
$919American Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
8:30 pm - 8:20 am
BWI
-
EAS
29h 50m
3 stops
Multiple Airlines Logo
8:55 am - 8:07 am
EAS
-
BWI
29h 12m
3 stops
$962Multiple Airlines
Sun, Apr 12 - Tue, Apr 28
Multiple Airlines Logo
8:30 pm - 8:20 am
BWI
-
EAS
29h 50m
3 stops
Multiple Airlines Logo
8:55 am - 8:07 am
EAS
-
BWI
29h 12m
3 stops
$1,014Multiple Airlines
Sat, Apr 25 - Sat, May 2
American Airlines Logo
9:51 am - 8:40 am
BWI
-
EAS
16h 49m
2 stops
American Airlines Logo
9:20 am - 7:22 pm
EAS
-
BWI
16h 02m
2 stops
$1,032American Airlines
Sun, Apr 12 - Tue, Apr 28
American Airlines Logo
9:51 am - 8:40 am
BWI
-
EAS
16h 49m
2 stops
American Airlines Logo
9:20 am - 7:22 pm
EAS
-
BWI
16h 02m
2 stops
$1,055American Airlines
Thu, Apr 23 - Thu, Apr 30
American Airlines Logo
11:47 am - 8:40 am
BWI
-
EAS
38h 53m
2 stops
American Airlines Logo
9:20 am - 11:59 pm
EAS
-
BWI
20h 39m
2 stops
$1,231American Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
8:30 pm - 5:20 pm
BWI
-
EAS
14h 50m
2 stops
Multiple Airlines Logo
8:55 am - 8:07 am
EAS
-
BWI
29h 12m
3 stops
$1,314Multiple Airlines
Sun, Apr 12 - Tue, Apr 28
British Airways Logo
9:35 pm - 6:40 pm
BWI
-
EAS
39h 05m
2 stops
British Airways Logo
11:45 am - 7:45 pm
EAS
-
BWI
38h 00m
2 stops
$1,315British Airways
Sun, Aug 16 - Sat, Aug 22
American Airlines Logo
12:16 pm - 8:40 am
BWI
-
EAS
14h 24m
2 stops
American Airlines Logo
9:20 am - 7:39 pm
EAS
-
BWI
16h 19m
2 stops
$1,359American Airlines
Mon, Apr 6 - Sun, Apr 26
American Airlines Logo
6:32 am - 8:40 am
BWI
-
EAS
20h 08m
2 stops
American Airlines Logo
9:20 am - 8:52 pm
EAS
-
BWI
17h 32m
2 stops
$1,377American Airlines
Tue, Aug 18 - Sun, Aug 23

American Airlines flights from Baltimore to San Sebastian

Our best American Airlines deals on Baltimore to San Sebastian flight tickets
American Airlines
Apr 21
BWI10:55 amBaltimore/Washington
15h 45m
2 stops
EAS8:40 amSan Sebastián
Apr 28
EAS9:20 amSan Sebastián
16h 02m
2 stops
BWI7:22 pmBaltimore/Washington
$919
American Airlines
Apr 12
BWI9:51 amBaltimore/Washington
16h 49m
2 stops
EAS8:40 amSan Sebastián
Apr 28
EAS9:20 amSan Sebastián
16h 02m
2 stops
BWI7:22 pmBaltimore/Washington
$1,032
American Airlines
Apr 23
BWI9:51 amBaltimore/Washington
16h 49m
2 stops
EAS8:40 amSan Sebastián
Apr 30
EAS9:20 amSan Sebastián
16h 02m
2 stops
BWI7:22 pmBaltimore/Washington
$1,055

British Airways flights from Baltimore to San Sebastian

Our best British Airways deals on Baltimore to San Sebastian flight tickets
British Airways
Aug 16
BWI9:35 pmBaltimore/Washington
39h 05m
2 stops
EAS6:40 pmSan Sebastián
Aug 22
EAS11:45 amSan Sebastián
38h 00m
2 stops
BWI7:45 pmBaltimore/Washington
$1,315
British Airways
May 1
BWI8:14 pmBaltimore/Washington
37h 56m
2 stops
EAS4:10 pmSan Sebastián
May 30
EAS6:20 pmSan Sebastián
31h 25m
2 stops
BWI7:45 pmBaltimore/Washington
$2,030
British Airways
Jun 12
BWI9:30 pmBaltimore/Washington
14h 05m
2 stops
EAS5:35 pmSan Sebastián
Jun 28
EAS4:55 pmSan Sebastián
32h 45m
1 stop
BWI7:40 pmBaltimore/Washington
$4,891

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 March 12, 2026.
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

Cheapest round-trip

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Tue 4/21

10:55 am-8:40 am

2 stops15h 45m

San Sebastián

Tue 4/28

9:20 am-7:22 pm

2 stops16h 02m

$919

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sun 4/12

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Tue 4/28

8:55 am-8:07 am

3 stops29h 12m

$962

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 4/25

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Sat 5/2

8:55 am-8:07 am

3 stops29h 12m

$1,014

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sun 4/12

9:51 am-8:40 am

2 stops16h 49m

San Sebastián

Tue 4/28

9:20 am-7:22 pm

2 stops16h 02m

$1,032

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Thu 4/23

9:51 am-8:40 am

2 stops16h 49m

San Sebastián

Thu 4/30

9:20 am-7:22 pm

2 stops16h 02m

$1,055

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Fri 8/14

11:47 am-8:40 am

2 stops38h 53m

San Sebastián

Fri 8/21

9:20 am-11:59 pm

2 stops20h 39m

$1,231

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sun 4/12

8:30 pm-5:20 pm

2 stops14h 50m

San Sebastián

Tue 4/28

8:55 am-8:07 am

3 stops29h 12m

$1,314

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sun 8/16

9:35 pm-6:40 pm

2 stops39h 05m

San Sebastián

Sat 8/22

11:45 am-7:45 pm

2 stops38h 00m

$1,315
Quickest round-trip

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 4/6

12:16 pm-8:40 am

2 stops14h 24m

San Sebastián

Sun 4/26

9:20 am-7:39 pm

2 stops16h 19m

$1,359

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Tue 8/18

6:32 am-8:40 am

2 stops20h 08m

San Sebastián

Sun 8/23

9:20 am-8:52 pm

2 stops17h 32m

$1,377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Sebastian from

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 airlines fly to San Sebastian?

United Airlines, Iberia and Lufthansa are the top three most popular airlines that fly to San Sebastian from Baltimore according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 4 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

27h 00m

Direct flights

None
The fastest flight from Baltimore to San Sebastian takes 27h 00m
There are no direct flights from Baltimore to San Sebastian. There are no popular flight routes from Baltimore to San Sebastian.
Search flight deals

  • 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 27h 00m, 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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