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$807+ Cheap flights from O'Hare Intl (ORD) to San Sebastian (EAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EAS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from O'Hare Intl to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to San Sebastian (EAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$807
(American Airlines)
From Chicago O'Hare Intl to San Sebastián
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Find flight deals from O'Hare Intl to San Sebastian

Cheapest flights from O'Hare Intl to San Sebastian
Explore the most affordable flight options available from O'Hare Intl to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:45 pmORD - EAS
1 stop21h 05mAmerican Airlines
Tue 11/111:40 pmEAS - ORD
2 stops26h 25mAmerican Airlines
Deal found 9/9$807
This Ovago deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:11 amORD - EAS
2 stops15h 29mIberia
Tue 10/149:30 pmEAS - ORD
1 stop28h 20mIberia
Deal found 9/10$842
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:11 amORD - EAS
2 stops15h 29mAmerican Airlines
Tue 10/141:40 pmEAS - ORD
2 stops17h 18mAmerican Airlines
Deal found 9/10$847
This KAYAK deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/204:30 pmORD - EAS
1 stop33h 10mMultiple Airlines
Mon 11/39:30 pmEAS - ORD
1 stop24h 00mMultiple Airlines
Deal found 9/10$861
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/204:30 pmORD - EAS
1 stop21h 20mIberia
Mon 11/39:30 pmEAS - ORD
1 stop24h 00mIberia
Deal found 9/11$870
This Iberia deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:30 pmORD - EAS
1 stop27h 10mIberia
Sat 9/279:30 pmEAS - ORD
2 stops26h 53mIberia
Deal found 9/9$1,232

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Sebastian that are best for you.

Fly from

O'Hare Intl

Fly to

San Sebastian

Route

Depart

Return

Price

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Fri 11/7

4:45 pm-8:50 pm

1 stop21h 05m

San Sebastián

Tue 11/11

1:40 pm-9:05 am

2 stops26h 25m

$807

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Tue 10/7

10:11 am-8:40 am

2 stops15h 29m

San Sebastián

Tue 10/14

9:30 pm-6:50 pm

1 stop28h 20m

$842

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Tue 10/7

10:11 am-8:40 am

2 stops15h 29m

San Sebastián

Tue 10/14

1:40 pm-11:58 pm

2 stops17h 18m

$847

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Mon 10/20

4:30 pm-8:40 am

1 stop33h 10m

San Sebastián

Mon 11/3

9:30 pm-2:30 pm

1 stop24h 00m

$861

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Mon 10/20

4:30 pm-8:50 pm

1 stop21h 20m

San Sebastián

Mon 11/3

9:30 pm-2:30 pm

1 stop24h 00m

$870

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from O'Hare Intl to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing San Sebastian

Get insights into the airlines that provide service to San Sebastian. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Sebastian. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with American Airlines from Chicago O'Hare Intl Airport to San Sebastian by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to San Sebastian. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Sebastian from Chicago O'Hare Intl?

    San Sebastián (EAS) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to San Sebastian. You should not have trouble finding flights to San Sebastián from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the San Sebastian airport from Chicago O'Hare Intl. It is only a 9.7 mi journey from San Sebastián (EAS) to San Sebastian’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to San Sebastian?

    Departing from Chicago O'Hare Intl Airport to San Sebastian will take you 21h 05m. Airlines will cover a distance of 4162 mi.

  • What is the cheapest airline to fly from Chicago O'Hare Intl Airport to San Sebastian round-trip?

    Currently priced at $963, American Airlines will fly you from Chicago O'Hare Intl Airport to San Sebastian and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from O'Hare Intl to San Sebastian that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to San Sebastian flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to San Sebastian?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to San Sebastian.

  • Can I find deals for business class flights from O'Hare Intl to San Sebastian?

    Yes. Cheapflights offers flight deals from O'Hare Intl to San Sebastian by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for O'Hare Intl to San Sebastian

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Top airline flying from O'Hare Intl to San Sebastian

Discover the top airline that operate flights from O'Hare Intl to San Sebastian. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$963Average$1,754FlexibilityNo cancel feeOn-time71%

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