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$341+ Cheap flights from San Sebastian (EAS) to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — CHI
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from San Sebastian to Chicago

Cheapest flights from San Sebastian to Chicago
Explore the most affordable flight options available from San Sebastian to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/119:20 am
EAS
-
ORD
2 stops18h 42m
Iberia
Sun 2/155:00 pm
ORD
-
EAS
2 stops32h 40m
Iberia
Deal found 1/26$655
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 2/129:20 am
EAS
-
ORD
2 stops17h 39m
American Airlines
Mon 2/168:10 am
ORD
-
EAS
2 stops17h 30m
American Airlines
Deal found 1/27$719
This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:30 pm
EAS
-
ORD
1 stop25h 30m
Iberia
Tue 9/110:35 pm
ORD
-
EAS
2 stops27h 05m
Iberia
Deal found 1/25$858
This KAYAK deal was found by Cheapflights users on 1/26. 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.
Wed 2/119:30 pm
EAS
-
ORD
1 stop24h 25m
Multiple Airlines
Sun 2/1510:28 am
ORD
-
EAS
2 stops15h 12m
Multiple Airlines
Deal found 1/26$865
This Iberia deal was found by Cheapflights users on 1/24. 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.
Wed 2/49:30 pm
EAS
-
ORD
1 stop24h 25m
Iberia
Sun 2/85:40 pm
ORD
-
EAS
1 stop20h 10m
Iberia
Deal found 1/24$884
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 2/129:20 am
EAS
-
ORD
1 stop12h 35m
Multiple Airlines
Mon 2/1610:28 am
ORD
-
EAS
2 stops15h 12m
Multiple Airlines
Deal found 1/27$897
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 2/119:20 am
EAS
-
ORD
2 stops18h 42m
American Airlines
Sun 2/1511:38 am
ORD
-
EAS
2 stops14h 02m
American Airlines
Deal found 1/26$907

Find 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 January 27, 2026.

Round-trip from

$655
(Expedia)

One-way from

$380
(Kiwi.com)
From San Sebastián to Chicago (CHI)
Search Deals
One-way flight 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 January 27, 2026.
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

Wed 2/11

9:20 am-9:02 pm

2 stops18h 42m

Chicago O'Hare Intl

Sun 2/15

5:00 pm-8:40 am

2 stops32h 40m

$655

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 2/12

9:20 am-7:59 pm

2 stops17h 39m

Chicago O'Hare Intl

Mon 2/16

8:10 am-8:40 am

2 stops17h 30m

$719

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Wed 2/11

9:30 pm-2:55 pm

1 stop24h 25m

Chicago O'Hare Intl

Sun 2/15

10:28 am-8:40 am

2 stops15h 12m

$865

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 2/12

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Mon 2/16

10:28 am-8:40 am

2 stops15h 12m

$897

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Wed 2/11

9:20 am-9:02 pm

2 stops18h 42m

Chicago O'Hare Intl

Sun 2/15

11:38 am-8:40 am

2 stops14h 02m

$907

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Tue 2/10

9:30 pm-7:15 pm

2 stops28h 45m

Chicago O'Hare Intl

Sat 2/14

6:48 pm-8:40 am

2 stops30h 52m

$935

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Tue 2/10

2:05 pm-9:12 am

2 stops26h 07m

Chicago O'Hare Intl

Sat 2/14

5:40 pm-8:40 am

1 stop32h 00m

$982

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Mon 4/13

8:55 am-1:00 pm

2 stops35h 05m

$341

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Wed 5/27

8:55 am-10:43 pm

2 stops44h 48m

$380

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sun 4/12

8:55 am-8:25 am

2 stops30h 30m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 13 results
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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 17h 39m. Your travel time can differ by up to 1h 03m. 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?

Book flights to Chicago if you plan to visit one of these locations
Lansing
Merrillville
Hammond
Porter
Benton Harbor

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