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Cheap flights from Baltimore to San Sebastian from $331

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 8/28. 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.
Multiple Airlines Logo
8:30 pm - 8:20 am
BWI
-
EAS
29h 50m
3 stops
Multiple Airlines Logo
5:55 pm - 10:15 pm
EAS
-
BWI
34h 20m
3 stops
$996Multiple Airlines
Sun, Oct 4 - Wed, Oct 7
Iberia Logo
9:30 pm - 5:20 pm
BWI
-
EAS
13h 50m
2 stops
Iberia Logo
9:30 pm - 5:15 pm
EAS
-
BWI
25h 45m
2 stops
$1,028Iberia
Mon, Sep 21 - Mon, Sep 28
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
$1,142Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Iberia Logo
9:30 pm - 8:50 pm
BWI
-
EAS
17h 20m
2 stops
Iberia Logo
9:30 pm - 7:40 pm
EAS
-
BWI
28h 10m
2 stops
$1,148Iberia
Wed, Oct 7 - Mon, Oct 12
Multiple Airlines Logo
11:20 pm - 8:20 am
BWI
-
EAS
27h 00m
3 stops
Multiple Airlines Logo
9:05 am - 10:15 pm
EAS
-
BWI
19h 10m
2 stops
$1,154Multiple Airlines
Thu, Aug 20 - Thu, Aug 27
Multiple Airlines Logo
7:25 pm - 4:10 pm
BWI
-
EAS
14h 45m
1 stop
Multiple Airlines Logo
9:30 pm - 7:04 pm
EAS
-
BWI
27h 34m
2 stops
$1,164Multiple Airlines
Sat, Aug 29 - Fri, Sep 4
British Airways Logo
7:25 pm - 4:10 pm
BWI
-
EAS
14h 45m
1 stop
British Airways Logo
4:55 pm - 5:15 pm
EAS
-
BWI
30h 20m
1 stop
$1,185British Airways
Sat, Aug 29 - Fri, Sep 4
Iberia Logo
9:30 pm - 8:50 pm
BWI
-
EAS
17h 20m
2 stops
Iberia Logo
5:55 pm - 5:15 pm
EAS
-
BWI
29h 20m
2 stops
$1,188Iberia
Mon, Aug 17 - Mon, Aug 24
British Airways Logo
2:54 pm - 1:00 pm
BWI
-
EAS
16h 06m
2 stops
British Airways Logo
9:30 pm - 7:33 pm
EAS
-
BWI
28h 03m
2 stops
$1,216British Airways
Mon, Sep 21 - Wed, Sep 30
Iberia Logo
9:30 pm - 8:50 pm
BWI
-
EAS
17h 20m
2 stops
Iberia Logo
9:20 am - 7:33 pm
EAS
-
BWI
16h 13m
2 stops
$1,227Iberia
Fri, Sep 11 - Thu, Sep 17

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Iberia flights from Baltimore to San Sebastian

Our best Iberia deals on Baltimore to San Sebastian flight tickets
Iberia
Sep 21
BWI9:30 pmBaltimore/Washington
13h 50m
2 stops
EAS5:20 pmSan Sebastián
Sep 28
EAS9:30 pmSan Sebastián
25h 45m
2 stops
BWI5:15 pmBaltimore/Washington
$1,028
Iberia
Oct 7
BWI9:30 pmBaltimore/Washington
17h 20m
2 stops
EAS8:50 pmSan Sebastián
Oct 12
EAS9:30 pmSan Sebastián
28h 10m
2 stops
BWI7:40 pmBaltimore/Washington
$1,148
Iberia
Aug 17
BWI9:30 pmBaltimore/Washington
17h 20m
2 stops
EAS8:50 pmSan Sebastián
Aug 24
EAS5:55 pmSan Sebastián
29h 20m
2 stops
BWI5:15 pmBaltimore/Washington
$1,188

British Airways flights from Baltimore to San Sebastian

Our best British Airways deals on Baltimore to San Sebastian flight tickets
British Airways
Aug 29
BWI7:25 pmBaltimore/Washington
14h 45m
1 stop
EAS4:10 pmSan Sebastián
Sep 4
EAS4:55 pmSan Sebastián
30h 20m
1 stop
BWI5:15 pmBaltimore/Washington
$1,185
British Airways
Sep 21
BWI2:54 pmBaltimore/Washington
16h 06m
2 stops
EAS1:00 pmSan Sebastián
Sep 30
EAS9:30 pmSan Sebastián
28h 03m
2 stops
BWI7:33 pmBaltimore/Washington
$1,216
British Airways
Sep 21
BWI2:54 pmBaltimore/Washington
16h 06m
2 stops
EAS1:00 pmSan Sebastián
Sep 30
EAS9:30 pmSan Sebastián
26h 11m
2 stops
BWI5:41 pmBaltimore/Washington
$1,228

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 25, 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

Sun 10/4

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Wed 10/7

5:55 pm-10:15 pm

3 stops34h 20m

$996

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 9/21

9:30 pm-5:20 pm

2 stops13h 50m

San Sebastián

Mon 9/28

9:30 pm-5:15 pm

2 stops25h 45m

$1,028

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

$1,142

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 10/7

9:30 pm-8:50 pm

2 stops17h 20m

San Sebastián

Mon 10/12

9:30 pm-7:40 pm

2 stops28h 10m

$1,148

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Thu 8/20

11:20 pm-8:20 am

3 stops27h 00m

San Sebastián

Thu 8/27

9:05 am-10:15 pm

2 stops19h 10m

$1,154

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 8/29

7:25 pm-4:10 pm

1 stop14h 45m

San Sebastián

Fri 9/4

9:30 pm-7:04 pm

2 stops27h 34m

$1,164

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 8/29

7:25 pm-4:10 pm

1 stop14h 45m

San Sebastián

Fri 9/4

4:55 pm-5:15 pm

1 stop30h 20m

$1,185

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 8/17

9:30 pm-8:50 pm

2 stops17h 20m

San Sebastián

Mon 8/24

5:55 pm-5:15 pm

2 stops29h 20m

$1,188

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 9/21

2:54 pm-1:00 pm

2 stops16h 06m

San Sebastián

Wed 9/30

9:30 pm-7:33 pm

2 stops28h 03m

$1,216
Quickest round-trip

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Fri 9/11

9:30 pm-8:50 pm

2 stops17h 20m

San Sebastián

Thu 9/17

9:20 am-7:33 pm

2 stops16h 13m

$1,227

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?

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

What airlines fly to San Sebastian?

Lufthansa, TAP AIR PORTUGAL and United Airlines 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 36% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 3 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

17h 20m

Direct flights

None
The fastest flight from Baltimore to San Sebastian takes 17h 20m
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 17h 20m, 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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