$490 Cheap Flights from Atlanta (ATL) to San Sebastian (EAS)

View $490 flight on Thu, Feb 26, 2026Opens in a new window

Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to San Sebastian (EAS)

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Cheap Flights from Atlanta to San Sebastian (ATL-EAS)

Prices were available within the past 7 days and start at $490 for one-way flights and $636 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Thu, Dec 4 - Sat, Dec 13
ATL
Atlanta
EAS
San Sebastián
$636 Roundtrip, found 16 hours ago
$636
Roundtrip
found 16 hours ago
Select Iberia flight, departing Thu, Dec 4 from Atlanta to San Sebastián, returning Sat, Dec 13, priced at $636 found 16 hours ago
Iberia
Thu, Dec 4 - Sat, Dec 13
ATL
Atlanta
EAS
San Sebastián
$644 Roundtrip, found 16 hours ago
$644
Roundtrip
found 16 hours ago
Select Iberia flight, departing Thu, Dec 4 from Atlanta to San Sebastián, returning Sat, Dec 13, priced at $644 found 16 hours ago
Iberia
Tue, Mar 3 - Tue, Mar 10
ATL
Atlanta
EAS
San Sebastián
$673 Roundtrip, found 5 days ago
$673
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Mar 3 from Atlanta to San Sebastián, returning Tue, Mar 10, priced at $673 found 5 days ago
Iberia
Tue, Mar 3 - Tue, Mar 10
ATL
Atlanta
EAS
San Sebastián
$690 Roundtrip, found 5 days ago
$690
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Mar 3 from Atlanta to San Sebastián, returning Tue, Mar 10, priced at $690 found 5 days ago
Iberia
Thu, Feb 26 - Sat, Mar 7
ATL
Atlanta
EAS
San Sebastián
$698 Roundtrip, found 4 hours ago
$698
Roundtrip
found 4 hours ago
Select Iberia flight, departing Thu, Feb 26 from Atlanta to San Sebastián, returning Sat, Mar 7, priced at $698 found 4 hours ago
Iberia
Tue, Mar 3 - Tue, Mar 10
ATL
Atlanta
EAS
San Sebastián
$704 Roundtrip, found 5 days ago
$704
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Mar 3 from Atlanta to San Sebastián, returning Tue, Mar 10, priced at $704 found 5 days ago
American Airlines
Thu, Feb 26 - Sat, Mar 7
ATL
Atlanta
EAS
San Sebastián
$706 Roundtrip, found 4 hours ago
$706
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Feb 26 from Atlanta to San Sebastián, returning Sat, Mar 7, priced at $706 found 4 hours ago
British Airways
Tue, Mar 3 - Tue, Mar 10
ATL
Atlanta
EAS
San Sebastián
$709 Roundtrip, found 5 days ago
$709
Roundtrip
found 5 days ago
Select British Airways flight, departing Tue, Mar 3 from Atlanta to San Sebastián, returning Tue, Mar 10, priced at $709 found 5 days ago
British Airways
Thu, Feb 26 - Sat, Mar 7
ATL
Atlanta
EAS
San Sebastián
$711 Roundtrip, found 4 hours ago
$711
Roundtrip
found 4 hours ago
Select British Airways flight, departing Thu, Feb 26 from Atlanta to San Sebastián, returning Sat, Mar 7, priced at $711 found 4 hours ago
British Airways
Tue, Mar 3 - Tue, Mar 10
ATL
Atlanta
EAS
San Sebastián
$714 Roundtrip, found 5 days ago
$714
Roundtrip
found 5 days ago
Select British Airways flight, departing Tue, Mar 3 from Atlanta to San Sebastián, returning Tue, Mar 10, priced at $714 found 5 days ago

Frequently asked questions

How much does a flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Sebastian Airport (EAS) cost?
Get a cheap one-way flight from $490 or cheap return flight from $636 from Hartsfield-Jackson Atlanta Intl. Airport (ATL) 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 Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Sebastian Airport (EAS)?
The cheapest month to fly from ATL to EAS is December, when demand is low. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Sebastian Airport (EAS)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ATL to EAS flight.
How many flights per day from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Sebastian Airport (EAS)?
You'll have to catch a flight with a layover when traveling from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Sebastian Airport (EAS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from ATL to EAS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Sebastian Airport (EAS)?
To avoid possible delays on the Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Sebastian Airport (EAS) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Sebastian Airport (EAS) last-minute?
Last-minute fares from ATL to EAS are generally more expensive. To lock in the best rates, start searching for flights as soon as possible. That being said, if your travel plans are flexible, it's possible to find a cheap fare just before your departure.
Is it cheaper to book an ATL to EAS flight and hotel package?
Compared with arranging hotels and flights separately, booking an ATL to EAS flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Sebastian Airport (EAS)?
If you reserved your ATL to EAS flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
San Sebastian
Airlines serving
American Airlines, Iberia
Roundtrip price
$636
Distance
4335 mi

Book with confidence

Atlanta to San Sebastian Flights

The cheapest times to fly from Atlanta 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 Atlanta to San Sebastian are during the month of December. You can find some of the cheapest flights from Atlanta to San Sebastian with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Atlanta 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 Atlanta 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 Atlanta to San Sebastian in 2025. You can also book with separate airlines for your outbound and return journeys, from $490 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 Atlanta 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 Atlanta 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.

 

Atlanta to San Sebastian Flights

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*Available to One Key members.