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Cheap flights from Pittsburgh to San Sebastian from $388

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh 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.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
PIT
-
EAS
3879 mimulti-stop
Multiple Airlines Logo
EAS
-
PIT
3879 mimulti-stop
Multiple Airlines

momondo Fare Finder

 
Customize your flight search to find flights from Pittsburgh 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 May 18, 2026.
Use the filters below to find and compare flights from Pittsburgh to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Sun 8/16

8:25 pm-5:20 pm

3 stops38h 55m

$388
Quickest one-way

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Mon 8/17

9:50 pm-6:40 pm

2 stops14h 50m

$401

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Fri 8/14

8:25 pm-11:45 am

3 stops33h 20m

$402

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Mon 8/17

8:25 pm-8:20 am

3 stops29h 55m

$403

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Sun 8/16

9:50 pm-6:40 pm

2 stops38h 50m

$408

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Tue 8/18

8:49 am-8:40 am

2 stops17h 51m

$413

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Wed 8/19

8:49 am-8:40 am

2 stops17h 51m

$502

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Sat 8/15

6:56 pm-8:40 am

2 stops31h 44m

$514

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Thu 8/20

8:49 am-8:40 am

2 stops17h 51m

$592

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Fri 8/14

8:25 pm-8:20 am

2 stops29h 55m

$601

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Sebastian from

How to get the cheapest flight ticket from Pittsburgh 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 Pittsburgh to San Sebastián?

British Airways is the most popular carrier operating from Pittsburgh to San Sebastián

When to book flights from Pittsburgh to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Pittsburgh to San Sebastian (PIT to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to San Sebastian

Fastest flight time

14h 26m

Direct flights

None
The fastest flight from Pittsburgh to San Sebastian takes 14h 26m
There are no direct flights from Pittsburgh to San Sebastian. There are no popular flight routes from Pittsburgh to San Sebastian.
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Frequently asked questions about flying from Pittsburgh to San Sebastian

  • How far is Pittsburgh to San Sebastián by plane?

    San Sebastián is 3863.1 mi away from Pittsburgh. Flights usually cover this in 14h 26m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Pittsburgh Airport to San Sebastián Airport?

    Prices for flights from Pittsburgh Airport to San Sebastián Airport were last updated today.

  • How old do you have to be to fly from Pittsburgh Airport to San Sebastián Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pittsburgh 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 Pittsburgh to San Sebastian?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Pittsburgh to San Sebastian. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Pittsburgh to San Sebastian with flexible booking policies on momondo?

All flight searches from Pittsburgh to San Sebastian on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Pittsburgh to San Sebastian?

momondo helps you find the best flight between Pittsburgh and San Sebastian by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Pittsburgh to San Sebastian right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Sebastian, momondo offers a useful price alert feature which will track prices for flights to San Sebastian from Pittsburgh and alert you when they change.

An easier way to manage your San Sebastian trip

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