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Cheap flights from Baltimore to San Sebastian from $334

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 8/16. 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

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
6:20 am - 8:40 am
BWI
-
EAS
20h 20m
2 stops
American Airlines Logo
9:20 am - 10:34 pm
EAS
-
BWI
19h 14m
2 stops
$886American Airlines
Thu, Oct 8 - Thu, Oct 15
American Airlines Logo
11:59 am - 8:40 am
BWI
-
EAS
14h 41m
2 stops
American Airlines Logo
9:20 am - 9:59 pm
EAS
-
BWI
18h 39m
2 stops
$936American Airlines
Tue, Aug 18 - Tue, Aug 25
British Airways Logo
9:30 pm - 6:40 pm
BWI
-
EAS
15h 10m
2 stops
British Airways Logo
9:30 pm - 7:50 pm
EAS
-
BWI
28h 20m
2 stops
$988British Airways
Mon, Aug 17 - Mon, Aug 24
American Airlines Logo
11:59 am - 8:40 am
BWI
-
EAS
14h 41m
2 stops
American Airlines Logo
9:20 am - 8:49 pm
EAS
-
BWI
17h 29m
2 stops
$990American Airlines
Mon, Aug 17 - Mon, Aug 24
British Airways Logo
9:30 pm - 6:40 pm
BWI
-
EAS
15h 10m
2 stops
British Airways Logo
9:30 pm - 5:15 pm
EAS
-
BWI
25h 45m
2 stops
$996British Airways
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
8:30 pm - 8:20 am
BWI
-
EAS
29h 50m
3 stops
Multiple Airlines Logo
5:55 pm - 7:25 pm
EAS
-
BWI
31h 30m
3 stops
$1,027Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Iberia Logo
9:30 pm - 8:20 am
BWI
-
EAS
28h 50m
2 stops
Iberia Logo
9:30 pm - 7:45 pm
EAS
-
BWI
28h 15m
2 stops
$1,029Iberia
Sat, Oct 10 - Sat, Oct 17
Multiple Airlines Logo
2:08 pm - 1:00 pm
BWI
-
EAS
16h 52m
2 stops
Multiple Airlines Logo
1:40 pm - 11:05 am
EAS
-
BWI
27h 25m
2 stops
$1,038Multiple Airlines
Wed, Sep 30 - Wed, Oct 14
British Airways Logo
9:30 pm - 12:35 pm
BWI
-
EAS
33h 05m
1 stop
British Airways Logo
9:30 pm - 7:45 pm
EAS
-
BWI
28h 15m
2 stops
$1,054British Airways
Sat, Oct 10 - Sat, Oct 17
Multiple Airlines Logo
8:30 pm - 8:20 am
BWI
-
EAS
29h 50m
3 stops
Multiple Airlines Logo
5:55 pm - 7:25 pm
EAS
-
BWI
31h 30m
3 stops
$1,062Multiple Airlines
Mon, Aug 17 - Mon, Aug 24

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American Airlines flights from Baltimore to San Sebastian

Our best American Airlines deals on Baltimore to San Sebastian flight tickets
American Airlines
Oct 8
BWI6:20 amBaltimore/Washington
20h 20m
2 stops
EAS8:40 amSan Sebastián
Oct 15
EAS9:20 amSan Sebastián
19h 14m
2 stops
BWI10:34 pmBaltimore/Washington
$886
American Airlines
Aug 18
BWI11:59 amBaltimore/Washington
14h 41m
2 stops
EAS8:40 amSan Sebastián
Aug 25
EAS9:20 amSan Sebastián
18h 39m
2 stops
BWI9:59 pmBaltimore/Washington
$936
American Airlines
Aug 17
BWI11:59 amBaltimore/Washington
14h 41m
2 stops
EAS8:40 amSan Sebastián
Aug 24
EAS9:20 amSan Sebastián
17h 29m
2 stops
BWI8:49 pmBaltimore/Washington
$990

Iberia flights from Baltimore to San Sebastian

Our best Iberia deals on Baltimore to San Sebastian flight tickets
Iberia
Oct 10
BWI9:30 pmBaltimore/Washington
28h 50m
2 stops
EAS8:20 amSan Sebastián
Oct 17
EAS9:30 pmSan Sebastián
28h 15m
2 stops
BWI7:45 pmBaltimore/Washington
$1,029
Iberia
Oct 18
BWI9:35 pmBaltimore/Washington
37h 45m
2 stops
EAS5:20 pmSan Sebastián
Oct 22
EAS9:30 pmSan Sebastián
28h 10m
2 stops
BWI7:40 pmBaltimore/Washington
$1,095
Iberia
Oct 9
BWI9:30 pmBaltimore/Washington
17h 20m
2 stops
EAS8:50 pmSan Sebastián
Oct 16
EAS8:55 amSan Sebastián
16h 45m
2 stops
BWI7:40 pmBaltimore/Washington
$1,357

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 July 7, 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

Thu 10/8

6:20 am-8:40 am

2 stops20h 20m

San Sebastián

Thu 10/15

9:20 am-10:34 pm

2 stops19h 14m

$886

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Tue 8/18

11:59 am-8:40 am

2 stops14h 41m

San Sebastián

Tue 8/25

9:20 am-9:59 pm

2 stops18h 39m

$936

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 8/17

9:30 pm-6:40 pm

2 stops15h 10m

San Sebastián

Mon 8/24

9:30 pm-7:50 pm

2 stops28h 20m

$988
Quickest round-trip

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 8/17

11:59 am-8:40 am

2 stops14h 41m

San Sebastián

Mon 8/24

9:20 am-8:49 pm

2 stops17h 29m

$990

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 8/17

9:30 pm-6:40 pm

2 stops15h 10m

San Sebastián

Mon 8/24

9:30 pm-5:15 pm

2 stops25h 45m

$996

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 8/17

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Mon 8/24

5:55 pm-7:25 pm

3 stops31h 30m

$1,027

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 10/10

9:30 pm-8:20 am

2 stops28h 50m

San Sebastián

Sat 10/17

9:30 pm-7:45 pm

2 stops28h 15m

$1,029

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 9/30

2:08 pm-1:00 pm

2 stops16h 52m

San Sebastián

Wed 10/14

1:40 pm-11:05 am

2 stops27h 25m

$1,038

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 10/10

9:30 pm-12:35 pm

1 stop33h 05m

San Sebastián

Sat 10/17

9:30 pm-7:45 pm

2 stops28h 15m

$1,054

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 8/17

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Mon 8/24

5:55 pm-7:25 pm

3 stops31h 30m

$1,062

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 is the most popular carrier operating from Baltimore/Washington to San Sebastián

What airlines fly to San Sebastian?

Lufthansa, United Airlines and TAP AIR PORTUGAL are the top three most popular airlines that fly to San Sebastian from Baltimore according to our data. Lufthansa is the first choice among our users, with 31% 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

15h 10m

Direct flights

None
The fastest flight from Baltimore to San Sebastian takes 15h 10m
There are no direct flights from Baltimore to San Sebastian. There are no popular flight routes from Baltimore to San Sebastian.
Search flight deals

Frequently asked questions about flying from Baltimore to San Sebastian

  • 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 15h 10m, 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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