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$775+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — CHI
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
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 June 18, 2026.

This American Airlines deal was found by Cheapflights users on 6/17. 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 10/239:20 am
EAS
-
ORD
1 stop12h 05m
Multiple Airlines
Thu 10/297:00 pm
ORD
-
EAS
1 stop12h 00m
Multiple Airlines
Deal found 6/17$775
This Iberia deal was found by Cheapflights users on 6/17. 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.
Thu 11/121:40 pm
EAS
-
ORD
1 stop32h 30m
Iberia
Mon 11/1611:48 am
ORD
-
EAS
2 stops18h 12m
Iberia
Deal found 6/17$820
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Sat 11/79:20 am
EAS
-
ORD
2 stops17h 16m
American Airlines
Tue 11/1011:48 am
ORD
-
EAS
2 stops18h 12m
American Airlines
Deal found 6/16$955
This Iberia deal was found by Cheapflights users on 6/17. 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 7/39:30 pm
EAS
-
ORD
2 stops29h 21m
Iberia
Tue 7/73:29 pm
ORD
-
EAS
2 stops22h 21m
Iberia
Deal found 6/17$991
This Trip.com deal was found by Cheapflights users on 6/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:05 am
EAS
-
ORD
2 stops20h 37m
Multiple Airlines
Mon 7/63:22 pm
ORD
-
EAS
2 stops18h 58m
Multiple Airlines
Deal found 6/16$1,201

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 June 18, 2026.

Round-trip from

$775
(American Airlines)
From San Sebastián to Chicago (CHI)
Search Deals

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 June 18, 2026.
Use the filters below to find and compare flights from San Sebastian to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Fri 10/23

9:30 pm-7:11 pm

2 stops28h 41m

Chicago O'Hare Intl

Thu 10/29

4:01 pm-1:00 pm

2 stops14h 59m

$792

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/12

1:40 pm-3:10 pm

1 stop32h 30m

Chicago O'Hare Intl

Mon 11/16

6:00 pm-8:50 pm

1 stop19h 50m

$820
Quickest round-trip

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 11/7

9:20 am-7:36 pm

2 stops17h 16m

Chicago O'Hare Intl

Tue 11/10

11:48 am-1:00 pm

2 stops18h 12m

$955

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Fri 7/3

9:30 pm-7:51 pm

2 stops29h 21m

Chicago O'Hare Intl

Tue 7/7

3:29 pm-8:50 pm

2 stops22h 21m

$991

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 7/2

9:05 am-2:55 pm

3 stops36h 50m

Chicago O'Hare Intl

Mon 7/6

7:25 pm-8:20 am

3 stops29h 55m

$1,145

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Sorted by cheapest first

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 can get you from San Sebastian to Chicago in just under 32h 30m. Your travel time can differ by up to . The distance from San Sebastian to Chicago is about 4162 mi.

  • 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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