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O'Hare Intl

$461+ Cheap flights from San Sebastian (EAS) to O'Hare Intl (ORD)

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from San Sebastian to O'Hare Intl

Best flights from San Sebastian to O'Hare Intl
Discover carefully curated flight deals from San Sebastian to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 1/249:30 pmEAS - ORD
1 stop24h 25mAmerican Airlines
Sat 1/3111:39 amORD - EAS
2 stops14h 01mAmerican Airlines
Deal found 12/10$745
This Iberia deal was found by Cheapflights users on 12/10. 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.
Sat 1/249:30 pmEAS - ORD
1 stop24h 25mIberia
Sat 1/315:40 pmORD - EAS
1 stop12h 20mIberia
Deal found 12/10$745
This American Airlines deal was found by Cheapflights users on 12/11. 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 1/249:30 pmEAS - ORD
1 stop24h 25mMultiple Airlines
Sat 1/315:40 pmORD - EAS
1 stop12h 20mMultiple Airlines
Deal found 12/11$746
This American Airlines deal was found by Cheapflights users on 12/9. 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 1/299:20 amEAS - ORD
1 stop12h 35mAmerican Airlines
Mon 2/210:10 amORD - EAS
2 stops15h 30mAmerican Airlines
Deal found 12/9$880
This Iberia deal was found by Cheapflights users on 12/11. 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 1/299:20 amEAS - ORD
1 stop12h 35mIberia
Mon 2/26:25 pmORD - EAS
2 stops19h 25mIberia
Deal found 12/11$885

Find flight deals from San Sebastian to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Sebastian (EAS) to O'Hare Intl (ORD). 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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$722
(Expedia)

One-way from

$461
(Kiwi.com)
Provider with most accurate pricing for San Sebastián-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for San Sebastián-Chicago O'Hare Intl flights.
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From San Sebastián to Chicago O'Hare Intl
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One-way flight from San Sebastián to Chicago O'Hare Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Sebastian to O'Hare Intl 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 December 12, 2025.
Use the filters below to find and compare flights from San Sebastian to Chicago O'Hare Intl Airport that are best for you.

Fly from

San Sebastian

Fly to

O'Hare Intl

Route

Depart

Return

Price

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 1/24

9:30 pm-2:55 pm

1 stop24h 25m

Chicago O'Hare Intl

Sat 1/31

11:39 am-8:40 am

2 stops14h 01m

$745

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 1/24

9:30 pm-2:55 pm

1 stop24h 25m

Chicago O'Hare Intl

Sat 1/31

5:40 pm-1:00 pm

1 stop12h 20m

$745

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 1/24

9:30 pm-2:55 pm

1 stop24h 25m

Chicago O'Hare Intl

Sat 1/31

5:40 pm-1:00 pm

1 stop12h 20m

$746

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 1/29

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Mon 2/2

10:10 am-8:40 am

2 stops15h 30m

$880

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 1/29

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Mon 2/2

6:25 pm-8:50 pm

2 stops19h 25m

$885

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 5/28

9:10 am-5:50 pm

3 stops39h 40m

$461

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Fri 5/29

10:15 am-7:00 pm

3 stops39h 45m

$479

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 5/30

5:55 pm-2:15 pm

3 stops51h 20m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from San Sebastian to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Sebastian to O'Hare Intl in December.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Sebastian-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Sebastian-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Sebastian-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Sebastian-Chicago O'Hare Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 O'Hare Intl Airport 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 O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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.

Related info for your journey

Find useful and relevant information for your journey from San Sebastian to O'Hare Intl. 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 O'Hare Intl?

    For a flight from San Sebastian to Chicago O'Hare Intl, you will be flying from San Sebastián. San Sebastián (EAS) is just 9.7 mi from the center of the city. San Sebastián is the only San Sebastian airport and it handles 0 outbound flights to Chicago O'Hare Intl per day. 0 airlines have flights to Chicago O'Hare Intl from San Sebastián on a regular basis.

  • How long is the flight from San Sebastian to Chicago O'Hare Intl Airport?

    American Airlines and Iberia can get you from San Sebastian to Chicago O'Hare Intl Airport in just under 24h 25m. Your travel time can differ by up to . There are 4162 mi between San Sebastian and Chicago O'Hare Intl Airport.

  • Can I find deals for flights from San Sebastian to O'Hare Intl that include hotel bookings?

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

  • How can I find direct flights from San Sebastian to O'Hare Intl?

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

  • Can I find deals for business class flights from San Sebastian to O'Hare Intl?

    Yes. Cheapflights offers flight deals from San Sebastian to O'Hare Intl 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 O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

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