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Cheap flights from Baltimore to San Sebastian from $524

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 7/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Multiple Airlines Logo
6:35 am - 5:20 pm
BWI
-
EAS
28h 45m
3 stops
Multiple Airlines Logo
8:55 am - 7:06 pm
EAS
-
BWI
40h 11m
3 stops
$1,024Multiple Airlines
Fri, May 1 - Sat, May 9
British Airways Logo
10:06 am - 8:50 pm
BWI
-
EAS
28h 44m
2 stops
British Airways Logo
9:30 pm - 8:52 pm
EAS
-
BWI
29h 22m
2 stops
$1,100British Airways
Fri, Jul 31 - Sun, Aug 9
American Airlines Logo
8:15 am - 8:40 am
BWI
-
EAS
18h 25m
2 stops
American Airlines Logo
1:40 pm - 11:32 pm
EAS
-
BWI
39h 52m
2 stops
$1,111American Airlines
Tue, Sep 1 - Thu, Sep 10
Multiple Airlines Logo
10:53 am - 8:40 am
BWI
-
EAS
15h 47m
2 stops
Multiple Airlines Logo
9:30 pm - 5:15 pm
EAS
-
BWI
25h 45m
2 stops
$1,120Multiple Airlines
Sun, Aug 30 - Fri, Sep 11
Multiple Airlines Logo
10:53 am - 8:40 am
BWI
-
EAS
15h 47m
2 stops
Multiple Airlines Logo
9:30 pm - 12:08 am
EAS
-
BWI
32h 38m
2 stops
$1,129Multiple Airlines
Sat, Aug 29 - Sat, Sep 12
American Airlines Logo
8:15 am - 8:40 am
BWI
-
EAS
18h 25m
2 stops
American Airlines Logo
9:20 am - 9:50 pm
EAS
-
BWI
18h 30m
2 stops
$1,130American Airlines
Tue, Sep 1 - Tue, Sep 15
British Airways Logo
2:09 pm - 1:00 pm
BWI
-
EAS
16h 51m
2 stops
British Airways Logo
9:30 pm - 9:50 pm
EAS
-
BWI
30h 20m
2 stops
$1,141British Airways
Mon, Sep 21 - Wed, Sep 30
American Airlines Logo
8:15 am - 8:40 am
BWI
-
EAS
18h 25m
2 stops
American Airlines Logo
9:20 am - 8:32 am
EAS
-
BWI
29h 12m
2 stops
$1,157American Airlines
Tue, Sep 1 - Mon, Sep 14
Iberia Logo
9:30 pm - 8:40 am
BWI
-
EAS
29h 10m
2 stops
Iberia Logo
9:30 pm - 7:40 pm
EAS
-
BWI
28h 10m
2 stops
$1,168Iberia
Mon, May 4 - Mon, May 18
American Airlines Logo
8:15 am - 8:40 am
BWI
-
EAS
18h 25m
2 stops
American Airlines Logo
1:40 pm - 11:32 pm
EAS
-
BWI
39h 52m
2 stops
$1,171American Airlines
Wed, Aug 26 - Thu, Sep 10

American Airlines flights from Baltimore to San Sebastian

Our best American Airlines deals on Baltimore to San Sebastian flight tickets
American Airlines
Sep 1
BWI8:15 amBaltimore/Washington
18h 25m
2 stops
EAS8:40 amSan Sebastián
Sep 10
EAS1:40 pmSan Sebastián
39h 52m
2 stops
BWI11:32 pmBaltimore/Washington
$1,111
American Airlines
Sep 1
BWI8:15 amBaltimore/Washington
18h 25m
2 stops
EAS8:40 amSan Sebastián
Sep 15
EAS9:20 amSan Sebastián
18h 30m
2 stops
BWI9:50 pmBaltimore/Washington
$1,130
American Airlines
Sep 1
BWI8:15 amBaltimore/Washington
18h 25m
2 stops
EAS8:40 amSan Sebastián
Sep 14
EAS9:20 amSan Sebastián
29h 12m
2 stops
BWI8:32 amBaltimore/Washington
$1,157

Iberia flights from Baltimore to San Sebastian

Our best Iberia deals on Baltimore to San Sebastian flight tickets
Iberia
May 4
BWI9:30 pmBaltimore/Washington
29h 10m
2 stops
EAS8:40 amSan Sebastián
May 18
EAS9:30 pmSan Sebastián
28h 10m
2 stops
BWI7:40 pmBaltimore/Washington
$1,168
Iberia
Aug 30
BWI9:35 pmBaltimore/Washington
29h 05m
2 stops
EAS8:40 amSan Sebastián
Sep 15
EAS5:55 pmSan Sebastián
29h 20m
2 stops
BWI5:15 pmBaltimore/Washington
$1,196
Iberia
Oct 5
BWI9:30 pmBaltimore/Washington
28h 50m
2 stops
EAS8:20 amSan Sebastián
Oct 8
EAS6:00 pmSan Sebastián
31h 40m
2 stops
BWI7:40 pmBaltimore/Washington
$1,373

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 April 10, 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

Fri 5/1

6:35 am-5:20 pm

3 stops28h 45m

San Sebastián

Sat 5/9

8:55 am-7:06 pm

3 stops40h 11m

$1,024

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Fri 7/31

10:06 am-8:50 pm

2 stops28h 44m

San Sebastián

Sun 8/9

9:30 pm-8:52 pm

2 stops29h 22m

$1,100

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Tue 9/1

8:15 am-8:40 am

2 stops18h 25m

San Sebastián

Thu 9/10

1:40 pm-11:32 pm

2 stops39h 52m

$1,111

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sun 8/30

10:53 am-8:40 am

2 stops15h 47m

San Sebastián

Fri 9/11

9:30 pm-5:15 pm

2 stops25h 45m

$1,120

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 8/29

10:53 am-8:40 am

2 stops15h 47m

San Sebastián

Sat 9/12

9:30 pm-12:08 am

2 stops32h 38m

$1,129
Quickest round-trip

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Tue 9/1

8:15 am-8:40 am

2 stops18h 25m

San Sebastián

Tue 9/15

9:20 am-9:50 pm

2 stops18h 30m

$1,130

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-9:50 pm

2 stops30h 20m

$1,141

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Tue 9/1

8:15 am-8:40 am

2 stops18h 25m

San Sebastián

Mon 9/14

9:20 am-8:32 am

2 stops29h 12m

$1,157

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 5/4

9:30 pm-8:40 am

2 stops29h 10m

San Sebastián

Mon 5/18

9:30 pm-7:40 pm

2 stops28h 10m

$1,168

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 8/26

8:15 am-8:40 am

2 stops18h 25m

San Sebastián

Thu 9/10

1:40 pm-11:32 pm

2 stops39h 52m

$1,171

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 Iberia are the most popular carriers operating from Baltimore/Washington to San Sebastián

What airlines fly to San Sebastian?

United Airlines, Lufthansa and TAP AIR PORTUGAL 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 35% 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

13h 25m

Direct flights

None
The fastest flight from Baltimore to San Sebastian takes 13h 25m
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 13h 25m, 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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