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$354+ Cheap flights from O'Hare Intl (ORD) to San Sebastian (EAS)

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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EAS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from O'Hare Intl to San Sebastian

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

Round-trip from

$745
(Iberia)

One-way from

$354
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,225
From Chicago O'Hare Intl to San Sebastián
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One-way flight from Chicago O'Hare Intl to San Sebastián
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Highest demand for flights based on searches. 1% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($79 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from O'Hare Intl to San Sebastian

Cheapest flights from O'Hare Intl to San Sebastian
Explore the most affordable flight options available from O'Hare Intl to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Iberia deal was found by Cheapflights users on 6/10. 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.
mar. 9/94:30 pmORD - EAS
1 stop21h 20mIberia
jue. 9/189:20 amEAS - ORD
1 stop11h 55mIberia
Deal found 6/10$745
This Orbitz deal was found by Cheapflights users on 6/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/34:55 pmORD - EAS
2 stops32h 45mMultiple Airlines
mar. 9/99:30 pmEAS - ORD
1 stop23h 45mMultiple Airlines
Deal found 6/9$760
This American Airlines deal was found by Cheapflights users on 6/9. 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.
jue. 9/48:38 amORD - EAS
2 stops17h 02mAmerican Airlines
mar. 9/99:20 amEAS - ORD
2 stops19h 03mAmerican Airlines
Deal found 6/9$820
This Avianca deal was found by Cheapflights users on 6/9. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/42:35 pmORD - EAS
2 stops35h 05mAvianca
mié. 9/101:40 pmEAS - ORD
2 stops30h 35mAvianca
Deal found 6/9$1,507
This AranGrant deal was found by Cheapflights users on 6/12. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/144:30 pmORD - EAS
1 stop21h 20mBritish Airways
dom. 9/211:40 pmEAS - ORD
1 stop11h 35mBritish Airways
Deal found 6/12$1,834

Cheapflights Fare Finder

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

Fly from

O'Hare Intl

Fly to

San Sebastian

Route

Depart

Return

Price

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

mar. 9/9

4:30 pm-8:50 pm

1 stop21h 20m

San Sebastián

jue. 9/18

9:20 am-2:15 pm

1 stop11h 55m

$745

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

mié. 9/3

4:55 pm-8:40 am

2 stops32h 45m

San Sebastián

mar. 9/9

9:30 pm-2:15 pm

1 stop23h 45m

$760

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

jue. 9/4

8:38 am-8:40 am

2 stops17h 02m

San Sebastián

mar. 9/9

9:20 am-9:23 pm

2 stops19h 03m

$820

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

jue. 9/4

2:35 pm-8:40 am

2 stops35h 05m

San Sebastián

mié. 9/10

1:40 pm-1:15 pm

2 stops30h 35m

$1,507

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

dom. 9/14

4:30 pm-8:50 pm

1 stop21h 20m

San Sebastián

dom. 9/21

1:40 pm-6:15 pm

1 stop11h 35m

$1,834

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

jue. 7/24

7:25 pm-8:20 am

2 stops29h 55m

$354

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

jue. 7/24

4:30 pm-8:50 pm

1 stop21h 20m

$693

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

jue. 7/24

7:25 am-8:40 am

2 stops18h 15m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from O'Hare Intl to San Sebastian

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

Reviews of airlines servicing San Sebastian

Get insights into the airlines that provide service to San Sebastian. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Sebastian. Reviews last updated junio 12, 2025.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
Iberia
7.0
Good
2,776 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
Avianca
6.7
Okay
2,345 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
British Airways
6.6
Okay
7,008 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

Related info for your journey

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

    San Sebastián (EAS) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to San Sebastian. You should not have trouble finding flights to San Sebastián from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the San Sebastian airport from Chicago O'Hare Intl. It is only a 9.7 mi journey from San Sebastián (EAS) to San Sebastian’s city center.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to San Sebastian round-trip?

    Currently priced at $745, Iberia will fly you from Chicago O'Hare Intl Airport to San Sebastian and back. In addition to Iberia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Avianca - these airlines can fly you to your destination from $820 and $1,507, respectively.

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

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

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

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

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

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

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Alternative routes for O'Hare Intl to San Sebastian

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from O'Hare Intl to San Sebastian

Discover the top airline that operate flights from O'Hare Intl to San Sebastian. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$679Average$1,134FlexibilityNo cancel feeOn-time77%

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