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Cheap flights from Pittsburgh to San Sebastian from $452

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 9/18. 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
0 bags

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Find the cheapest flights from Pittsburgh to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:55 pm - 8:20 am
PIT
-
EAS
32h 25m
3 stops
Multiple Airlines Logo
9:10 am - 11:21 pm
EAS
-
PIT
44h 11m
3 stops
$1,198Multiple Airlines
Sun, Apr 19 - Thu, Apr 23
Multiple Airlines Logo
5:55 pm - 8:20 am
PIT
-
EAS
32h 25m
3 stops
Multiple Airlines Logo
9:10 am - 11:21 pm
EAS
-
PIT
44h 11m
3 stops
$1,235Multiple Airlines
Sun, Apr 19 - Thu, Apr 23
American Airlines Logo
8:31 am - 8:40 am
PIT
-
EAS
18h 09m
2 stops
American Airlines Logo
9:20 am - 9:35 am
EAS
-
PIT
30h 15m
2 stops
$1,349American Airlines
Sun, Jun 21 - Wed, Aug 5
American Airlines Logo
7:59 pm - 8:40 am
PIT
-
EAS
30h 41m
2 stops
American Airlines Logo
9:20 am - 9:35 am
EAS
-
PIT
30h 15m
2 stops
$1,355American Airlines
Sat, Jun 20 - Wed, Aug 5
American Airlines Logo
8:38 pm - 8:40 am
PIT
-
EAS
30h 02m
2 stops
American Airlines Logo
9:20 am - 9:35 am
EAS
-
PIT
30h 15m
2 stops
$1,358American Airlines
Wed, Jun 17 - Wed, Aug 5
Iberia Logo
12:10 pm - 8:40 am
PIT
-
EAS
14h 30m
2 stops
Iberia Logo
9:30 pm - 9:32 pm
EAS
-
PIT
30h 02m
2 stops
$1,370Iberia
Wed, Jun 17 - Tue, Aug 11
Iberia Logo
8:38 pm - 8:50 pm
PIT
-
EAS
18h 12m
2 stops
Iberia Logo
9:30 pm - 9:19 pm
EAS
-
PIT
29h 49m
2 stops
$1,381Iberia
Wed, Jun 17 - Mon, Aug 10
Iberia Logo
8:31 am - 8:40 am
PIT
-
EAS
18h 09m
2 stops
Iberia Logo
9:30 pm - 6:40 pm
EAS
-
PIT
27h 10m
2 stops
$1,385Iberia
Sat, Jun 20 - Sat, Aug 8
Multiple Airlines Logo
5:55 pm - 8:35 am
PIT
-
EAS
32h 40m
3 stops
Multiple Airlines Logo
8:55 am - 11:21 pm
EAS
-
PIT
44h 26m
3 stops
$1,402Multiple Airlines
Tue, Apr 21 - Sat, Apr 25
American Airlines Logo
12:14 pm - 8:40 am
PIT
-
EAS
14h 26m
2 stops
American Airlines Logo
9:20 am - 9:48 pm
EAS
-
PIT
18h 28m
2 stops
$1,412American Airlines
Sun, Jun 21 - Sat, Aug 8

American Airlines flights from Pittsburgh to San Sebastian

Our best American Airlines deals on Pittsburgh to San Sebastian flight tickets
American Airlines
Jun 21
PIT8:31 amPittsburgh
18h 09m
2 stops
EAS8:40 amSan Sebastián
Aug 5
EAS9:20 amSan Sebastián
30h 15m
2 stops
PIT9:35 amPittsburgh
$1,349
American Airlines
Jun 20
PIT7:59 pmPittsburgh
30h 41m
2 stops
EAS8:40 amSan Sebastián
Aug 5
EAS9:20 amSan Sebastián
30h 15m
2 stops
PIT9:35 amPittsburgh
$1,355
American Airlines
Jun 17
PIT8:38 pmPittsburgh
30h 02m
2 stops
EAS8:40 amSan Sebastián
Aug 5
EAS9:20 amSan Sebastián
30h 15m
2 stops
PIT9:35 amPittsburgh
$1,358

Iberia flights from Pittsburgh to San Sebastian

Our best Iberia deals on Pittsburgh to San Sebastian flight tickets
Iberia
Jun 17
PIT12:10 pmPittsburgh
14h 30m
2 stops
EAS8:40 amSan Sebastián
Aug 11
EAS9:30 pmSan Sebastián
30h 02m
2 stops
PIT9:32 pmPittsburgh
$1,370
Iberia
Jun 17
PIT8:38 pmPittsburgh
18h 12m
2 stops
EAS8:50 pmSan Sebastián
Aug 10
EAS9:30 pmSan Sebastián
29h 49m
2 stops
PIT9:19 pmPittsburgh
$1,381
Iberia
Jun 20
PIT8:31 amPittsburgh
18h 09m
2 stops
EAS8:40 amSan Sebastián
Aug 8
EAS9:30 pmSan Sebastián
27h 10m
2 stops
PIT6:40 pmPittsburgh
$1,385

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 April 6, 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 round-trip

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Sun 4/19

5:55 pm-8:20 am

3 stops32h 25m

San Sebastián

Thu 4/23

9:10 am-11:21 pm

3 stops44h 11m

$1,198

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Sun 4/19

5:55 pm-8:20 am

3 stops32h 25m

San Sebastián

Thu 4/23

9:10 am-11:21 pm

3 stops44h 11m

$1,235

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Sun 6/21

8:31 am-8:40 am

2 stops18h 09m

San Sebastián

Wed 8/5

9:20 am-9:35 am

2 stops30h 15m

$1,349

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Sat 6/20

7:59 pm-8:40 am

2 stops30h 41m

San Sebastián

Wed 8/5

9:20 am-9:35 am

2 stops30h 15m

$1,355

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Wed 6/17

8:38 pm-8:40 am

2 stops30h 02m

San Sebastián

Wed 8/5

9:20 am-9:35 am

2 stops30h 15m

$1,358

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Wed 6/17

12:10 pm-8:40 am

2 stops14h 30m

San Sebastián

Tue 8/11

9:30 pm-9:32 pm

2 stops30h 02m

$1,370

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Wed 6/17

8:38 pm-8:50 pm

2 stops18h 12m

San Sebastián

Mon 8/10

9:30 pm-9:19 pm

2 stops29h 49m

$1,381

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Sat 6/20

8:31 am-8:40 am

2 stops18h 09m

San Sebastián

Sat 8/8

9:30 pm-6:40 pm

2 stops27h 10m

$1,385

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Tue 4/21

5:55 pm-8:35 am

3 stops32h 40m

San Sebastián

Sat 4/25

8:55 am-11:21 pm

3 stops44h 26m

$1,402
Quickest round-trip

PittsburghSan Sebastian

PIT - EAS

PITEAS

Pittsburgh

Sun 6/21

12:14 pm-8:40 am

2 stops14h 26m

San Sebastián

Sat 8/8

9:20 am-9:48 pm

2 stops18h 28m

$1,412

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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?

American Airlines 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

15h 36m

Direct flights

None
The fastest flight from Pittsburgh to San Sebastian takes 15h 36m
There are no direct flights from Pittsburgh to San Sebastian. There are no popular flight routes from Pittsburgh to San Sebastian.
Search flight deals

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 15h 36m, 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.

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