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$637+ Cheap flights from O'Hare Intl (ORD) to San Sebastian (EAS)

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EAS
Feb 15 — Feb 221
Sat 2/15
Sat 2/22
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 February 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$637
(Iberia)

Popular in

December

Cheapest in

January

Average price

$863
Provider with most accurate pricing for Chicago O'Hare Intl-San Sebastián flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-San Sebastián flights.
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From Chicago O'Hare Intl to San Sebastián
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 10, 2025.

This Iberia deal was found by Cheapflights users on 2/10. 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.
Tue 3/115:45 pmORD - EAS
1 stop13h 15mIberia
Tue 3/189:30 pmEAS - ORD
1 stop24h 00mIberia
Deal found 2/10$637
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1110:45 pmORD - EAS
2 stops27h 55mMultiple Airlines
Tue 3/189:30 pmEAS - ORD
1 stop24h 00mMultiple Airlines
Deal found 2/10$638
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 3/1111:42 amORD - EAS
2 stops14h 58mAmerican Airlines
Tue 3/189:20 amEAS - ORD
2 stops18h 10mAmerican Airlines
Deal found 2/10$641

Find flights from O'Hare Intl to San Sebastian within your budget

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 February 10, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Tue 3/11

5:45 pm-1:00 pm

1 stop13h 15m

San Sebastián

Tue 3/18

9:30 pm-3:30 pm

1 stop24h 00m

$637

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Tue 3/11

10:45 pm-8:40 am

2 stops27h 55m

San Sebastián

Tue 3/18

9:30 pm-3:30 pm

1 stop24h 00m

$638

ChicagoSan Sebastian

ORD - EAS

ORDEAS

Chicago O'Hare Intl

Tue 3/11

11:42 am-8:40 am

2 stops14h 58m

San Sebastián

Tue 3/18

9:20 am-9:30 pm

2 stops18h 10m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-San Sebastian flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-San Sebastian flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-San Sebastian flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-San Sebastian flights, Cheapflights users trust FlightHub the most. FlightHub 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 Chicago O'Hare Intl Airport-San Sebastian 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 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 February 10, 2025.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.3

Boarding

7.5

Entertainment

7.0

Crew

8.0

Food

6.5

Overall

7.2

Reviews

1 / 20

10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.3

Boarding

7.5

Entertainment

7.0

Crew

8.0

Food

6.5

Overall

7.2

Reviews

1 / 20

10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Iberia
7.0
Good
2,639 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.3

Boarding

7.5

Entertainment

7.0

Crew

8.0

Food

6.5

Overall

7.2

Reviews

1 / 20

10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

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 $637, 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. Check Cheapflights for deals on American Airlines for as low as $641.

  • 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.

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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 February 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$679Average$1,097FlexibilityNo cancel feeOn-time77%
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