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Cheap flights from Baltimore to San Sebastian from $346

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 8/5. 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
8:35 pm - 8:50 pm
BWI
-
EAS
18h 15m
2 stops
Multiple Airlines Logo
9:30 pm - 6:45 pm
EAS
-
BWI
51h 15m
2 stops
$940Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Iberia Logo
8:35 pm - 8:50 pm
BWI
-
EAS
18h 15m
2 stops
Iberia Logo
9:30 pm - 6:45 pm
EAS
-
BWI
27h 15m
2 stops
$947Iberia
Mon, Nov 23 - Sun, Nov 29
Multiple Airlines Logo
8:52 am - 8:40 am
BWI
-
EAS
17h 48m
2 stops
Multiple Airlines Logo
9:30 pm - 7:26 pm
EAS
-
BWI
26h 56m
2 stops
$1,033Multiple Airlines
Sat, Oct 17 - Sun, Oct 25
Multiple Airlines Logo
10:30 am - 8:40 am
BWI
-
EAS
16h 10m
2 stops
Multiple Airlines Logo
9:30 pm - 7:45 pm
EAS
-
BWI
28h 15m
2 stops
$1,076Multiple Airlines
Sun, Sep 6 - Sat, Sep 12
British Airways Logo
9:35 pm - 5:15 pm
BWI
-
EAS
13h 40m
1 stop
British Airways Logo
9:30 pm - 7:45 pm
EAS
-
BWI
28h 15m
2 stops
$1,087British Airways
Sun, Sep 6 - Sat, Sep 12
British Airways Logo
9:35 pm - 6:40 pm
BWI
-
EAS
39h 05m
2 stops
British Airways Logo
9:30 pm - 7:45 pm
EAS
-
BWI
28h 15m
2 stops
$1,089British Airways
Sun, Sep 6 - Sat, Sep 12
Iberia Logo
10:50 am - 8:40 am
BWI
-
EAS
15h 50m
2 stops
Iberia Logo
9:20 am - 7:26 pm
EAS
-
BWI
16h 06m
2 stops
$1,116Iberia
Wed, Oct 7 - Tue, Oct 13
American Airlines Logo
10:06 am - 8:40 am
BWI
-
EAS
16h 34m
2 stops
American Airlines Logo
9:20 am - 7:43 pm
EAS
-
BWI
16h 23m
2 stops
$1,124American Airlines
Wed, Jul 15 - Tue, Jul 21
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
$1,125Multiple Airlines
Mon, Jul 13 - Mon, Jul 27
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
$1,135Multiple Airlines
Mon, Sep 14 - Sat, Sep 19

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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
Jul 15
BWI10:06 amBaltimore/Washington
16h 34m
2 stops
EAS8:40 amSan Sebastián
Jul 21
EAS9:20 amSan Sebastián
16h 23m
2 stops
BWI7:43 pmBaltimore/Washington
$1,124
American Airlines
Jul 15
BWI10:06 amBaltimore/Washington
16h 34m
2 stops
EAS8:40 amSan Sebastián
Jul 21
EAS9:20 amSan Sebastián
16h 23m
2 stops
BWI7:43 pmBaltimore/Washington
$1,580
American Airlines
Jul 18
BWI10:37 amBaltimore/Washington
16h 03m
2 stops
EAS8:40 amSan Sebastián
Aug 1
EAS9:20 amSan Sebastián
16h 06m
2 stops
BWI7:26 pmBaltimore/Washington
$1,908

Iberia flights from Baltimore to San Sebastian

Our best Iberia deals on Baltimore to San Sebastian flight tickets
Iberia
Nov 23
BWI8:35 pmBaltimore/Washington
18h 15m
2 stops
EAS8:50 pmSan Sebastián
Nov 29
EAS9:30 pmSan Sebastián
27h 15m
2 stops
BWI6:45 pmBaltimore/Washington
$947
Iberia
Oct 7
BWI10:50 amBaltimore/Washington
15h 50m
2 stops
EAS8:40 amSan Sebastián
Oct 13
EAS9:20 amSan Sebastián
16h 06m
2 stops
BWI7:26 pmBaltimore/Washington
$1,116
Iberia
Nov 15
BWI8:35 pmBaltimore/Washington
42h 15m
2 stops
EAS8:50 pmSan Sebastián
Nov 19
EAS9:30 pmSan Sebastián
51h 15m
2 stops
BWI6:45 pmBaltimore/Washington
$1,157

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 June 19, 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

Mon 11/23

8:35 pm-8:50 pm

2 stops18h 15m

San Sebastián

Mon 11/30

9:30 pm-6:45 pm

2 stops51h 15m

$940

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 11/23

8:35 pm-8:50 pm

2 stops18h 15m

San Sebastián

Sun 11/29

9:30 pm-6:45 pm

2 stops27h 15m

$947

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 10/17

8:52 am-8:40 am

2 stops17h 48m

San Sebastián

Sun 10/25

9:30 pm-7:26 pm

2 stops26h 56m

$1,033

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sun 9/6

10:30 am-8:40 am

2 stops16h 10m

San Sebastián

Sat 9/12

9:30 pm-7:45 pm

2 stops28h 15m

$1,076

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sun 9/6

9:35 pm-5:15 pm

1 stop13h 40m

San Sebastián

Sat 9/12

9:30 pm-7:45 pm

2 stops28h 15m

$1,087

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sun 9/6

9:35 pm-6:40 pm

2 stops39h 05m

San Sebastián

Sat 9/12

9:30 pm-7:45 pm

2 stops28h 15m

$1,089
Quickest round-trip

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 10/7

10:50 am-8:40 am

2 stops15h 50m

San Sebastián

Tue 10/13

9:20 am-7:26 pm

2 stops16h 06m

$1,116

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 7/15

10:06 am-8:40 am

2 stops16h 34m

San Sebastián

Tue 7/21

9:20 am-7:43 pm

2 stops16h 23m

$1,124

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 7/13

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Mon 7/27

5:55 pm-10:15 pm

3 stops34h 20m

$1,125

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Mon 9/14

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Sat 9/19

5:55 pm-10:15 pm

3 stops34h 20m

$1,135

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 33% 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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