$670+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — CHI
Oct 24 — Oct 311
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 September 24, 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 September 24, 2026.
This Iberia deal was found by Cheapflights users on 9/22. 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.
Fri 11/69:20 am -
1 stop12h 35m
Fri 11/135:40 pm -
1 stop20h 10m
Deal found 9/22![Iberia logo]()
$672
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:20 am -
2 stops19h 34m
Fri 11/1312:06 pm -
2 stops17h 54m
Deal found 9/22![American Airlines logo]()
$687
This Iberia deal was found by Cheapflights users on 9/19. 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 11/119:20 am -
1 stop12h 35m
Sun 11/1510:31 am -
2 stops15h 09m
Deal found 9/19![Iberia logo]()
$690
This British Airways deal was found by Cheapflights users on 9/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:30 pm -
1 stop24h 35m
Sun 11/156:05 pm -
1 stop19h 45m
Deal found 9/22![British Airways logo]()
$837
This Trip.com deal was found by Cheapflights users on 9/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:55 am -
2 stops36h 05m
Tue 10/133:45 pm -
2 stops18h 35m
Deal found 9/23![Multiple Airlines logo]()
$868
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:40 pm -
2 stops25h 02m
Sun 11/154:31 pm -
2 stops37h 29m
Deal found 9/23![American Airlines logo]()
$1,051
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 September 24, 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 September 24, 2026.
This Iberia deal was found by Cheapflights users on 9/19. 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 11/119:20 am -
1 stop12h 35m
Sun 11/155:40 pm -
1 stop20h 10m
Deal found 9/19![Iberia logo]()
$690
This British Airways deal was found by Cheapflights users on 9/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:30 pm -
1 stop24h 35m
Sun 11/156:05 pm -
1 stop19h 45m
Deal found 9/22![British Airways logo]()
$837
This Trip.com deal was found by Cheapflights users on 9/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:55 am -
2 stops36h 05m
Tue 10/133:45 pm -
2 stops18h 35m
Deal found 9/23![Multiple Airlines logo]()
$868
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:40 pm -
2 stops25h 02m
Sun 11/154:31 pm -
2 stops37h 29m
Deal found 9/23![American Airlines logo]()
$1,051
Last-minute flights from San Sebastian to ChicagoDiscover last-minute flight deals from San Sebastian to Chicago. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from San Sebastian to Chicago. Data last updated September 24, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:55 am -
2 stops36h 05m
Tue 10/133:45 pm -
2 stops18h 35m
Deal found 9/23![Multiple Airlines logo]()
$868
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 September 24, 2026.
Search for one-way flight options from San Sebastian to Chicago. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Sat 10/249:30 pm -
3 stops44h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$670
This Trip.com deal was found by Cheapflights users on 9/19. 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.
Sat 10/249:20 am -
1 stop12h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Iberia logo]()
$864
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 September 24, 2026.
Round-trip from | $672 (Iberia) |
|---|---|
One-way from | $670 (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 7,457,451 searches. Data last updated September 24, 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 San Sebastián - ORD Chicago O'Hare Intl
EASORD
San Sebastián
Sat 10/24
9:30 pm-11:00 am
3 stops44h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$670
San SebastianChicago
EAS San Sebastián - ORD Chicago O'Hare Intl
EASORD
San Sebastián
Wed 11/11
9:20 am-2:55 pm
1 stop12h 35m
Chicago O'Hare Intl
Sun 11/15
5:40 pm-8:50 pm
1 stop20h 10m
$690
San SebastianChicago
EAS San Sebastián - ORD Chicago O'Hare Intl
EASORD
San Sebastián
Wed 11/11
9:30 pm-3:05 pm
1 stop24h 35m
Chicago O'Hare Intl
Sun 11/15
6:05 pm-8:50 pm
1 stop19h 45m
$837
Quickest round-trip
San SebastianChicago
EAS San Sebastián - ORD Chicago O'Hare Intl
EASORD
San Sebastián
Sat 10/24
9:20 am-2:25 pm
1 stop12h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$864
San SebastianChicago
EAS San Sebastián - ORD Chicago O'Hare Intl
EASORD
San Sebastián
Fri 10/9
8:55 am-2:00 pm
2 stops36h 05m
Chicago O'Hare Intl
Tue 10/13
3:45 pm-5:20 pm
2 stops18h 35m
$868
San SebastianChicago
EAS San Sebastián - ORD Chicago O'Hare Intl
EASORD
San Sebastián
Wed 11/11
1:40 pm-7:42 am
2 stops25h 02m
Chicago O'Hare Intl
Sun 11/15
4:31 pm-1:00 pm
2 stops37h 29m
$1,051
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
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.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter
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