$443+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — CHI
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Find cheap flights from San Sebastian to Chicago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Sebastian to Chicago
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Sebastian to ChicagoExplore 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 March 23, 2026.
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 March 23, 2026.
This Expedia deal was found by Cheapflights users on 3/23. 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 4/89:30 pm
EAS
- ORD
1 stop25h 30m
Iberia
Sun 4/124:55 pm
ORD
- EAS
1 stop20h 55m
Iberia
Deal found 3/23![Iberia logo]()
$808
This Iberia deal was found by Cheapflights users on 3/22. 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 11/191:40 pm
EAS
- ORD
1 stop12h 10m
Iberia
Mon 11/235:40 pm
ORD
- EAS
1 stop12h 20m
Iberia
Deal found 3/22![Iberia logo]()
$814
This Iberia deal was found by Cheapflights users on 3/18. 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 4/179:30 pm
EAS
- ORD
1 stop23h 55m
Iberia
Tue 4/2110:30 pm
ORD
- EAS
2 stops27h 10m
Iberia
Deal found 3/18![Iberia logo]()
$828
Best flights from San Sebastian to ChicagoDiscover 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 March 23, 2026.
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 March 23, 2026.
This Expedia deal was found by Cheapflights users on 3/23. 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 4/89:30 pm
EAS
- ORD
1 stop25h 30m
Iberia
Sun 4/124:55 pm
ORD
- EAS
1 stop20h 55m
Iberia
Deal found 3/23![Iberia logo]()
$808
This American Airlines deal was found by Cheapflights users on 3/18. 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 4/39:20 am
EAS
- ORD
1 stop13h 40m
Multiple Airlines
Tue 4/710:30 pm
ORD
- EAS
1 stop27h 10m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$994
This Iberia deal was found by Cheapflights users on 3/18. 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 4/179:30 pm
EAS
- ORD
1 stop23h 55m
Iberia
Tue 4/2110:30 pm
ORD
- EAS
2 stops27h 10m
Iberia
Deal found 3/18![Iberia logo]()
$828
This lastminute.com deal was found by Cheapflights users on 3/21. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/61:05 pm
EAS
- ORD
1 stop33h 50m
British Airways
Fri 4/104:00 pm
ORD
- EAS
2 stops41h 10m
British Airways
Deal found 3/21![British Airways logo]()
$1,988
This Trip.com deal was found by Cheapflights users on 3/18. 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.
Fri 4/39:30 pm
EAS
- ORD
1 stop23h 55m
Iberia
Tue 4/74:55 pm
ORD
- EAS
1 stop32h 45m
Iberia
Deal found 3/18![Iberia logo]()
$1,217
This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:55 am
EAS
- ORD
2 stops17h 55m
Multiple Airlines
Sun 4/126:00 pm
ORD
- EAS
2 stops16h 20m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$1,998
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Mon 4/69:20 am
EAS
- ORD
1 stop13h 40m
Multiple Airlines
Fri 4/104:55 pm
ORD
- EAS
1 stop13h 05m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$2,491
Last-minute flights from San Sebastian to ChicagoDiscover last-minute flight deals from San Sebastian to Chicago. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Sebastian to Chicago. Data last updated March 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/18. 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 4/39:20 am
EAS
- ORD
1 stop13h 40m
Multiple Airlines
Tue 4/710:30 pm
ORD
- EAS
1 stop27h 10m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$994
This Trip.com deal was found by Cheapflights users on 3/18. 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.
Fri 4/39:30 pm
EAS
- ORD
1 stop23h 55m
Iberia
Tue 4/74:55 pm
ORD
- EAS
1 stop32h 45m
Iberia
Deal found 3/18![Iberia logo]()
$1,217
This Expedia deal was found by Cheapflights users on 3/23. 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 4/89:30 pm
EAS
- ORD
1 stop25h 30m
Iberia
Sun 4/124:55 pm
ORD
- EAS
1 stop20h 55m
Iberia
Deal found 3/23![Iberia logo]()
$808
This Iberia deal was found by Cheapflights users on 3/18. 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 4/179:30 pm
EAS
- ORD
1 stop23h 55m
Iberia
Tue 4/2110:30 pm
ORD
- EAS
2 stops27h 10m
Iberia
Deal found 3/18![Iberia logo]()
$828
One-way flights from San Sebastian to ChicagoSearch for one-way flight options from San Sebastian to Chicago. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from San Sebastian to Chicago. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:55 pm
EAS
- ORD
2 stops29h 05m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:30 pm
EAS
- ORD
2 stops25h 35m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$458
This Trip.com deal was found by Cheapflights users on 3/20. 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.
Tue 5/269:30 pm
EAS
- ORD
1 stop23h 55m
Iberia
Deal found 3/20![Iberia logo]()
$528
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 March 23, 2026.
Round-trip from | $808 (Expedia) |
|---|---|
One-way from | $443 (Kiwi.com) |
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 March 23, 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
Cheapest round-trip
San SebastianChicago
EAS - ORD
EASORD
San Sebastián
Wed 4/8
9:30 pm-4:00 pm
1 stop25h 30m
Chicago O'Hare Intl
Sun 4/12
4:55 pm-8:50 pm
1 stop20h 55m
$808
San SebastianChicago
EAS - ORD
EASORD
San Sebastián
Fri 4/17
9:30 pm-2:25 pm
1 stop23h 55m
Chicago O'Hare Intl
Tue 4/21
10:30 pm-8:40 am
2 stops27h 10m
$828
San SebastianChicago
EAS - ORD
EASORD
San Sebastián
Fri 4/3
9:20 am-4:00 pm
1 stop13h 40m
Chicago O'Hare Intl
Tue 4/7
10:30 pm-8:40 am
1 stop27h 10m
$994
San SebastianChicago
EAS - ORD
EASORD
San Sebastián
Fri 4/3
9:30 pm-2:25 pm
1 stop23h 55m
Chicago O'Hare Intl
Tue 4/7
4:55 pm-8:40 am
1 stop32h 45m
$1,217
San SebastianChicago
EAS - ORD
EASORD
San Sebastián
Mon 4/6
1:05 pm-3:55 pm
1 stop33h 50m
Chicago O'Hare Intl
Fri 4/10
4:00 pm-4:10 pm
2 stops41h 10m
$1,988
San SebastianChicago
EAS - ORD
EASORD
San Sebastián
Wed 4/8
8:55 am-7:50 pm
2 stops17h 55m
Chicago O'Hare Intl
Sun 4/12
6:00 pm-5:20 pm
2 stops16h 20m
$1,998
Quickest round-trip
San SebastianChicago
EAS - ORD
EASORD
San Sebastián
Mon 4/6
9:20 am-4:00 pm
1 stop13h 40m
Chicago O'Hare Intl
Fri 4/10
4:55 pm-1:00 pm
1 stop13h 05m
$2,491
Cheapest one-way
San SebastianChicago
EAS - ORD
EASORD
San Sebastián
Tue 5/26
5:55 pm-4:00 pm
2 stops29h 05m
$443
San SebastianChicago
EAS - ORD
EASORD
San Sebastián
Fri 5/15
9:30 pm-4:05 pm
2 stops25h 35m
$458
Quickest one-way
San SebastianChicago
EAS - ORD
EASORD
San Sebastián
Tue 5/26
9:30 pm-2:25 pm
1 stop23h 55m
$528
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.
EAS-CHI
EAS-ORD
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
EAS-CHI
EAS-ORD
No data available for this route at this time. Please check back soon.
Related info for your journey
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