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$661+ Cheap flights from San Sebastian (EAS) to Chicago (CHI)

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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — CHI
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from San Sebastian to Chicago

Best flights from San Sebastian to Chicago
Discover carefully curated flight deals from San Sebastian to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2025.

This Iberia deal was found by Cheapflights users on 10/15. 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.
Fri 2/139:30 pmEAS - ORD
1 stop24h 00mIberia
Tue 2/179:45 pmORD - EAS
2 stops27h 55mIberia
Deal found 10/15$661
This American Airlines deal was found by Cheapflights users on 10/14. 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 2/139:30 pmEAS - ORD
2 stops33h 29mAmerican Airlines
Tue 2/174:45 pmORD - EAS
1 stop13h 15mAmerican Airlines
Deal found 10/14$788

Cheap flight deals from San Sebastian to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from San Sebastian (EAS) to Chicago (CHI). 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 October 16, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$654
(Iberia)
Provider with most accurate pricing for San Sebastián-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Sebastián-Chicago (CHI) flights.
Search Deals
From San Sebastián to Chicago (CHI)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Sebastian to Chicago 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 October 16, 2025.
Use the filters below to find and compare flights from San Sebastian to Chicago that are best for you.

Fly from

San Sebastian

Fly to

Chicago

Route

Depart

Return

Price

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Fri 2/13

9:30 pm-2:30 pm

1 stop24h 00m

Chicago O'Hare Intl

Tue 2/17

9:45 pm-8:40 am

2 stops27h 55m

$661

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Fri 2/13

9:30 pm-11:59 pm

2 stops33h 29m

Chicago O'Hare Intl

Tue 2/17

4:45 pm-1:00 pm

1 stop13h 15m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

  • Most accurate provider: When it comes to deals on San Sebastian-Chicago flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Sebastian-Chicago flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from San Sebastian-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Sebastian-Chicago flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Sebastian-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Sebastian to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from San Sebastian 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.

Cheapflights Insights

Everything you need to know about your flight from San Sebastian to Chicago
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from San Sebastian to Chicago. 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 from for flights from San Sebastian to Chicago?

    If you book a flight to Chicago from San Sebastian, you will be flying from San Sebastián, which is the city’s only airport. San Sebastián (EAS) is located 9.7 mi from the center of San Sebastian. There are 0 flights from San Sebastián to Chicago per day from 0 different airlines.

  • How long is the flight from San Sebastian to Chicago?

    Iberia and American Airlines can get you from San Sebastian to Chicago in just under 24h. Your travel time can differ by up to 9h 29m. The distance from San Sebastian to Chicago is about 4162 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from San Sebastian to Chicago that include hotel bookings?

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

  • How can I find direct flights from San Sebastian to Chicago?

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

  • Can I find deals for business class flights from San Sebastian to Chicago?

    Yes. Cheapflights offers flight deals from San Sebastian to Chicago 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

Traveling to a place near Chicago?

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Hammond
Porter
Benton Harbor
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