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Cheap flights from Baltimore to San Sebastian from $406

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 8/2. 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
9:51 am - 8:40 am
BWI
-
EAS
16h 49m
2 stops
American Airlines Logo
9:20 am - 7:39 pm
EAS
-
BWI
16h 19m
2 stops
$938American Airlines
Wed, May 6 - Wed, May 13
British Airways Logo
9:30 pm - 12:35 pm
BWI
-
EAS
33h 05m
1 stop
British Airways Logo
11:45 am - 7:40 pm
EAS
-
BWI
13h 55m
1 stop
$1,129British Airways
Sat, Apr 18 - Fri, May 1
Multiple Airlines Logo
9:30 pm - 8:40 am
BWI
-
EAS
53h 10m
3 stops
Multiple Airlines Logo
5:55 pm - 7:40 pm
EAS
-
BWI
31h 45m
2 stops
$1,132Multiple Airlines
Sat, Apr 18 - Fri, May 1
American Airlines Logo
9:44 am - 8:40 am
BWI
-
EAS
16h 56m
2 stops
American Airlines Logo
9:20 am - 11:49 pm
EAS
-
BWI
20h 29m
2 stops
$1,213American Airlines
Sat, Apr 18 - Fri, May 1
British Airways Logo
2:09 pm - 1:00 pm
BWI
-
EAS
16h 51m
2 stops
British Airways Logo
9:30 pm - 12:08 am
EAS
-
BWI
32h 38m
2 stops
$1,245British Airways
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
5:52 pm - 8:40 am
BWI
-
EAS
32h 48m
2 stops
Multiple Airlines Logo
11:45 am - 7:40 pm
EAS
-
BWI
13h 55m
1 stop
$1,246Multiple Airlines
Sat, Apr 18 - Fri, May 1
Multiple Airlines Logo
8:14 pm - 8:40 am
BWI
-
EAS
30h 26m
2 stops
Multiple Airlines Logo
9:30 pm - 7:40 pm
EAS
-
BWI
28h 10m
2 stops
$1,326Multiple Airlines
Sat, Apr 18 - Fri, May 1
Multiple Airlines Logo
9:30 pm - 8:40 am
BWI
-
EAS
53h 10m
3 stops
Multiple Airlines Logo
9:20 am - 7:40 pm
EAS
-
BWI
40h 20m
3 stops
$1,359Multiple Airlines
Sat, Apr 18 - Fri, May 1
Multiple Airlines Logo
9:30 pm - 12:35 pm
BWI
-
EAS
33h 05m
1 stop
Multiple Airlines Logo
11:45 am - 7:40 pm
EAS
-
BWI
13h 55m
1 stop
$1,361Multiple Airlines
Sat, Apr 18 - Fri, May 1
Multiple Airlines Logo
8:30 pm - 8:20 am
BWI
-
EAS
29h 50m
3 stops
Multiple Airlines Logo
8:55 am - 10:15 pm
EAS
-
BWI
19h 20m
3 stops
$1,372Multiple Airlines
Wed, May 27 - Tue, Jun 2

American Airlines flights from Baltimore to San Sebastian

Our best American Airlines deals on Baltimore to San Sebastian flight tickets
American Airlines
May 6
BWI9:51 amBaltimore/Washington
16h 49m
2 stops
EAS8:40 amSan Sebastián
May 13
EAS9:20 amSan Sebastián
16h 19m
2 stops
BWI7:39 pmBaltimore/Washington
$938
American Airlines
Apr 18
BWI9:44 amBaltimore/Washington
16h 56m
2 stops
EAS8:40 amSan Sebastián
May 1
EAS9:20 amSan Sebastián
20h 29m
2 stops
BWI11:49 pmBaltimore/Washington
$1,213
American Airlines
May 7
BWI9:51 amBaltimore/Washington
16h 49m
2 stops
EAS8:40 amSan Sebastián
May 14
EAS9:20 amSan Sebastián
16h 02m
2 stops
BWI7:22 pmBaltimore/Washington
$1,526

Iberia flights from Baltimore to San Sebastian

Our best Iberia deals on Baltimore to San Sebastian flight tickets
Iberia
May 27
BWI9:30 pmBaltimore/Washington
29h 10m
2 stops
EAS8:40 amSan Sebastián
Jun 2
EAS9:30 pmSan Sebastián
28h 10m
2 stops
BWI7:40 pmBaltimore/Washington
$1,539
Iberia
Sep 21
BWI9:30 pmBaltimore/Washington
29h 10m
2 stops
EAS8:40 amSan Sebastián
Sep 30
EAS9:30 pmSan Sebastián
28h 10m
2 stops
BWI7:40 pmBaltimore/Washington
$1,749
Iberia
May 21
BWI9:30 pmBaltimore/Washington
29h 10m
2 stops
EAS8:40 amSan Sebastián
May 27
EAS9:30 pmSan Sebastián
28h 10m
2 stops
BWI7:40 pmBaltimore/Washington
$1,843

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 27, 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
Quickest round-trip

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 5/6

9:51 am-8:40 am

2 stops16h 49m

San Sebastián

Wed 5/13

9:20 am-7:39 pm

2 stops16h 19m

$938

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 4/18

9:30 pm-12:35 pm

1 stop33h 05m

San Sebastián

Fri 5/1

11:45 am-7:40 pm

1 stop13h 55m

$1,129

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 4/18

9:30 pm-8:40 am

3 stops53h 10m

San Sebastián

Fri 5/1

5:55 pm-7:40 pm

2 stops31h 45m

$1,132

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 4/18

9:44 am-8:40 am

2 stops16h 56m

San Sebastián

Fri 5/1

9:20 am-11:49 pm

2 stops20h 29m

$1,213

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 9/21

2:09 pm-1:00 pm

2 stops16h 51m

San Sebastián

Wed 9/30

9:30 pm-12:08 am

2 stops32h 38m

$1,245

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 4/18

5:52 pm-8:40 am

2 stops32h 48m

San Sebastián

Fri 5/1

11:45 am-7:40 pm

1 stop13h 55m

$1,246

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 4/18

8:14 pm-8:40 am

2 stops30h 26m

San Sebastián

Fri 5/1

9:30 pm-7:40 pm

2 stops28h 10m

$1,326

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 4/18

9:30 pm-8:40 am

3 stops53h 10m

San Sebastián

Fri 5/1

9:20 am-7:40 pm

3 stops40h 20m

$1,359

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 4/18

9:30 pm-12:35 pm

1 stop33h 05m

San Sebastián

Fri 5/1

11:45 am-7:40 pm

1 stop13h 55m

$1,361

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 5/27

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Tue 6/2

8:55 am-10:15 pm

3 stops19h 20m

$1,372

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 is the cheapest airline that flies from Baltimore/Washington to San Sebastián?

British Airways and American Airlines are the most popular carriers operating from Baltimore/Washington to San Sebastián

What airlines fly to San Sebastian?

Iberia, United Airlines and Lufthansa are the top three most popular airlines that fly to San Sebastian from Baltimore according to our data. Iberia is the first choice among our users, with 29% 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

14h 03m

Direct flights

None
The fastest flight from Baltimore to San Sebastian takes 14h 03m
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 14h 03m, 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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