$583 Cheap Flights from Pittsburgh (PIT) to San Sebastian (EAS)

View $583 flight on Wed, Oct 29, 2025Opens in a new window

Popular airlines from Pittsburgh Intl. Airport (PIT) to San Sebastian (EAS)

Cheap Flights from Pittsburgh to San Sebastian (PIT-EAS)

Prices were available within the past 7 days and start at $583 for one-way flights and $636 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Tue, Jan 27 - Tue, Feb 3
PIT
Pittsburgh
EAS
San Sebastián
$636 Roundtrip, found 4 hours ago
$636
Roundtrip
found 4 hours ago
Select Iberia flight, departing Tue, Jan 27 from Pittsburgh to San Sebastián, returning Tue, Feb 3, priced at $636 found 4 hours ago
Iberia
Tue, Jan 27 - Tue, Feb 3
PIT
Pittsburgh
EAS
San Sebastián
$641 Roundtrip, found 4 hours ago
$641
Roundtrip
found 4 hours ago
Select Iberia flight, departing Tue, Jan 27 from Pittsburgh to San Sebastián, returning Tue, Feb 3, priced at $641 found 4 hours ago
Iberia
Tue, Jan 27 - Tue, Feb 3
PIT
Pittsburgh
EAS
San Sebastián
$645 Roundtrip, found 4 hours ago
$645
Roundtrip
found 4 hours ago
Select Iberia flight, departing Tue, Jan 27 from Pittsburgh to San Sebastián, returning Tue, Feb 3, priced at $645 found 4 hours ago
Iberia
Tue, Jan 27 - Tue, Feb 3
PIT
Pittsburgh
EAS
San Sebastián
$650 Roundtrip, found 4 hours ago
$650
Roundtrip
found 4 hours ago
Select Iberia flight, departing Tue, Jan 27 from Pittsburgh to San Sebastián, returning Tue, Feb 3, priced at $650 found 4 hours ago
British Airways
Tue, Jan 27 - Tue, Feb 3
PIT
Pittsburgh
EAS
San Sebastián
$675 Roundtrip, found 4 hours ago
$675
Roundtrip
found 4 hours ago
Select British Airways flight, departing Tue, Jan 27 from Pittsburgh to San Sebastián, returning Tue, Feb 3, priced at $675 found 4 hours ago
British Airways
Tue, Jan 27 - Tue, Feb 3
PIT
Pittsburgh
EAS
San Sebastián
$678 Roundtrip, found 4 hours ago
$678
Roundtrip
found 4 hours ago
Select British Airways flight, departing Tue, Jan 27 from Pittsburgh to San Sebastián, returning Tue, Feb 3, priced at $678 found 4 hours ago
British Airways
Tue, Jan 27 - Tue, Feb 3
PIT
Pittsburgh
EAS
San Sebastián
$681 Roundtrip, found 4 hours ago
$681
Roundtrip
found 4 hours ago
Select British Airways flight, departing Tue, Jan 27 from Pittsburgh to San Sebastián, returning Tue, Feb 3, priced at $681 found 4 hours ago
American Airlines
Thu, Jan 1 - Mon, Jan 12
PIT
Pittsburgh
EAS
San Sebastián
$841 Roundtrip, found 2 days ago
$841
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jan 1 from Pittsburgh to San Sebastián, returning Mon, Jan 12, priced at $841 found 2 days ago
JetBlue Airways
Tue, Jan 27 - Tue, Feb 3
PIT
Pittsburgh
EAS
San Sebastián
$869 Roundtrip, found 4 hours ago
$869
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Tue, Jan 27 from Pittsburgh to San Sebastián, returning Tue, Feb 3, priced at $869 found 4 hours ago
Finnair
Tue, Jan 27 - Tue, Feb 3
PIT
Pittsburgh
EAS
San Sebastián
$899 Roundtrip, found 4 hours ago
$899
Roundtrip
found 4 hours ago
Select Finnair flight, departing Tue, Jan 27 from Pittsburgh to San Sebastián, returning Tue, Feb 3, priced at $899 found 4 hours ago

Alternative airports near San Sebastián

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Sebastian EAS. Cheapest and Closest option available. Average driving time to city center is 18 minutes. Flights from $956
EAS
San Sebastian
CheapestClosest
Average driving time to city center18 min
Flights from $956

Frequently asked questions

How much does a flight from Pittsburgh Intl. Airport (PIT) to San Sebastian Airport (EAS) cost?
Grab a cheap one-way flight from $583 or cheap return flight from $636 from Pittsburgh Intl. Airport (PIT) to San Sebastian Airport (EAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Pittsburgh Intl. Airport (PIT) to San Sebastian Airport (EAS)?
The cheapest month to fly from PIT to EAS is January, when there's less demand. Off-peak months are generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Pittsburgh Intl. Airport (PIT) to San Sebastian Airport (EAS)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PIT to EAS flight.
How many flights per day from Pittsburgh Intl. Airport (PIT) to San Sebastian Airport (EAS)?
There aren't any daily direct flights available from Pittsburgh Intl. Airport (PIT) to San Sebastian Airport (EAS). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PIT to EAS?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pittsburgh Intl. Airport (PIT) to San Sebastian Airport (EAS)?
Book a flight from Pittsburgh Intl. Airport (PIT) to San Sebastian Airport (EAS) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Pittsburgh Intl. Airport (PIT) to San Sebastian Airport (EAS) last-minute?
Waiting until just before your trip to book your flight from PIT to EAS generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book a PIT to EAS flight and hotel package?
Compared with arranging hotels and flights separately, booking a PIT to EAS flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Pittsburgh Intl. Airport (PIT) to San Sebastian Airport (EAS)?
Usually, it's possible to cancel or reschedule your PIT to EAS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Pittsburgh Intl.
Destination airport
San Sebastian
Airlines serving
Iberia
Roundtrip price
$636
Distance
3882 mi

Book with confidence

Pittsburgh to San Sebastian Flights

The cheapest times to fly from Pittsburgh to San Sebastian

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Pittsburgh to San Sebastian are during the month of January. You can find some of the cheapest flights from Pittsburgh to San Sebastian with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pittsburgh to San Sebastian

Sunday is one of the best days to book for cheap flights from Pittsburgh to San Sebastian: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Pittsburgh to San Sebastian

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Pittsburgh to San Sebastian in 2025. You can also book with separate airlines for your outbound and return journeys, from $583 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Pittsburgh to San Sebastian flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Pittsburgh to San Sebastian airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Pittsburgh to San Sebastian Flights

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*Available to One Key members.