How do I get Price Alerts for flights from San Sebastian to Chicago O'Hare Intl Airport?

Confirm your travel details to search for the latest offers for flights from San Sebastian to Chicago O'Hare Intl Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from San Sebastián Airport to Chicago O'Hare Intl Airport?

Prices for flights from San Sebastián Airport to Chicago O'Hare Intl Airport refresh daily.

How old do you have to be to fly from San Sebastián Airport to Chicago O'Hare Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Sebastián Airport to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$481 Cheap Flights from San Sebastian to Chicago O'Hare Intl Airport in 2026/27

Find the cheapest flights from San Sebastian to Chicago

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 am - 2:55 pmEAS San Sebastián-ORD Chicago O'Hare Intl

12h 35m1 stop Madrid Barajas

5:40 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

12h 20m1 stop Madrid Barajas

$818Iberia

Wed, Jan 27 - Sun, Jan 31

9:20 am - 6:55 pmEAS San Sebastián-ORD Chicago O'Hare Intl

16h 35m2 stops Madrid Barajas New York John F Kennedy Intl

3:17 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

14h 43m2 stops Boston Logan Intl Madrid Barajas

$823Iberia

Wed, Jan 27 - Sun, Jan 31

1:40 pm - 9:30 amEAS San Sebastián-ORD Chicago O'Hare Intl

26h 50m2 stops Madrid Barajas Boston Logan Intl

7:16 pm - 4:55 pmORD Chicago O'Hare Intl-EAS San Sebastián

38h 39m2 stops Boston Logan Intl Madrid Barajas

$933American Airlines

Wed, Jan 27 - Sun, Jan 31

9:20 am - 2:55 pmEAS San Sebastián-ORD Chicago O'Hare Intl

12h 35m1 stop Madrid Barajas

4:50 pm - 8:40 amORD Chicago O'Hare Intl-EAS San Sebastián

32h 50m2 stops Charlotte Douglas Madrid Barajas

$936American Airlines

Wed, Jan 27 - Sun, Jan 31

9:30 pm - 12:11 pmEAS San Sebastián-ORD Chicago O'Hare Intl

21h 41m2 stops Madrid Barajas Dallas/Fort Worth

6:29 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

35h 31m2 stops Philadelphia Madrid Barajas

$946British Airways

Wed, Jan 27 - Sun, Jan 31

9:20 am - 2:55 pmEAS San Sebastián-ORD Chicago O'Hare Intl

12h 35m1 stop Madrid Barajas

5:40 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

12h 20m1 stop Madrid Barajas

$947American Airlines

Wed, Jan 27 - Sun, Jan 31

1:40 pm - 1:05 amEAS San Sebastián-ORD Chicago O'Hare Intl

18h 25m2 stops Madrid Barajas Miami

5:40 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

12h 20m1 stop Madrid Barajas

$972American Airlines

Wed, Jan 27 - Sun, Jan 31

9:20 am - 2:55 pmEAS San Sebastián-ORD Chicago O'Hare Intl

12h 35m1 stop Madrid Barajas

5:40 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

12h 20m1 stop Madrid Barajas

$978Finnair

Wed, Jan 27 - Sun, Jan 31

9:30 pm - 10:37 pmEAS San Sebastián-ORD Chicago O'Hare Intl

32h 07m2 stops Madrid Barajas New York John F Kennedy Intl

5:40 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

12h 20m1 stop Madrid Barajas

$1,100Iberia

Thu, Nov 26 - Mon, Nov 30

9:20 am - 3:10 pmEAS San Sebastián-ORD Chicago O'Hare Intl

12h 50m1 stop Madrid Barajas

6:10 pm - 8:40 amORD Chicago O'Hare Intl-EAS San Sebastián

31h 30m1 stop Madrid Barajas

$1,126Iberia

Thu, Nov 26 - Mon, Nov 30

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American Airlines flights from San Sebastian to Chicago O'Hare Intl Airport

Our best American Airlines deals on San Sebastian to Chicago O'Hare Intl Airport flight tickets

American Airlines

Jan 27

EAS1:40 pmSan Sebastián

26h 50m

2 stops

ORD9:30 amChicago O'Hare Intl

Jan 31

ORD7:16 pmChicago O'Hare Intl

38h 39m

2 stops

EAS4:55 pmSan Sebastián

$933

American Airlines

Jan 27

EAS9:20 amSan Sebastián

12h 35m

1 stop

ORD2:55 pmChicago O'Hare Intl

Jan 31

ORD4:50 pmChicago O'Hare Intl

32h 50m

2 stops

EAS8:40 amSan Sebastián

$936

American Airlines

Jan 27

EAS9:20 amSan Sebastián

12h 35m

1 stop

ORD2:55 pmChicago O'Hare Intl

Jan 31

ORD5:40 pmChicago O'Hare Intl

12h 20m

1 stop

EAS1:00 pmSan Sebastián

$947

Iberia flights from San Sebastian to Chicago O'Hare Intl Airport

Our best Iberia deals on San Sebastian to Chicago O'Hare Intl Airport flight tickets

Iberia

Jan 27

EAS9:20 amSan Sebastián

12h 35m

1 stop

ORD2:55 pmChicago O'Hare Intl

Jan 31

ORD5:40 pmChicago O'Hare Intl

12h 20m

1 stop

EAS1:00 pmSan Sebastián

$818

Iberia

Jan 27

EAS9:20 amSan Sebastián

16h 35m

2 stops

ORD6:55 pmChicago O'Hare Intl

Jan 31

ORD3:17 pmChicago O'Hare Intl

14h 43m

2 stops

EAS1:00 pmSan Sebastián

$823

momondo Fare Finder

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 1/27

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Sun 1/31

5:40 pm-1:00 pm

1 stop12h 20m

$818

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 1/27

9:20 am-6:55 pm

2 stops16h 35m

Chicago O'Hare Intl

Sun 1/31

3:17 pm-1:00 pm

2 stops14h 43m

$823

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 1/27

1:40 pm-9:30 am

2 stops26h 50m

Chicago O'Hare Intl

Sun 1/31

7:16 pm-4:55 pm

2 stops38h 39m

$933

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 1/27

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Sun 1/31

4:50 pm-8:40 am

2 stops32h 50m

$936

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 1/27

9:30 pm-12:11 pm

2 stops21h 41m

Chicago O'Hare Intl

Sun 1/31

6:29 pm-1:00 pm

2 stops35h 31m

$946

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 1/27

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Sun 1/31

5:40 pm-1:00 pm

1 stop12h 20m

$947

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 1/27

1:40 pm-1:05 am

2 stops18h 25m

Chicago O'Hare Intl

Sun 1/31

5:40 pm-1:00 pm

1 stop12h 20m

$972

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 1/27

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Sun 1/31

5:40 pm-1:00 pm

1 stop12h 20m

$978

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Thu 11/26

9:30 pm-10:37 pm

2 stops32h 07m

Chicago O'Hare Intl

Mon 11/30

5:40 pm-1:00 pm

1 stop12h 20m

$1,100

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Thu 11/26

9:20 am-3:10 pm

1 stop12h 50m

Chicago O'Hare Intl

Mon 11/30

6:10 pm-8:40 am

1 stop31h 30m

$1,126

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

When to book flights from San Sebastian to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Sebastian to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Sebastian to Chicago O'Hare Intl Airport (EAS to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Sebastian to Chicago O'Hare Intl Airport

Best Price Found	$481
Fastest flight time	12h 35m
Direct flights	None

The best one-way flight to Chicago O'Hare Intl Airport from San Sebastian in the past 72 hours is $481. The best round-trip flight deal from San Sebastian to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $818.

The fastest flight from San Sebastian to Chicago O'Hare Intl Airport takes 12h 35m

There are no direct flights from San Sebastian to Chicago O'Hare Intl Airport. There are no popular flight routes from San Sebastian to Chicago O'Hare Intl Airport.

Search flight deals

Frequently asked questions about flying from San Sebastian to Chicago O'Hare Intl Airport

How far is San Sebastián to Chicago O'Hare Intl by plane?
A flight from San Sebastián to Chicago O'Hare Intl will travel around 4155.4 mi. In terms of flight time, this usually takes a little over 12h 35m.
When did momondo last update prices for flights from San Sebastián Airport to Chicago O'Hare Intl Airport?
Prices for flights from San Sebastián Airport to Chicago O'Hare Intl Airport refresh daily.
How old do you have to be to fly from San Sebastián Airport to Chicago O'Hare Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Sebastián Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from San Sebastian to Chicago O'Hare Intl Airport

How do I get Price Alerts for flights from San Sebastian to Chicago O'Hare Intl Airport?
Confirm your travel details to search for the latest offers for flights from San Sebastian to Chicago O'Hare Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from San Sebastian to Chicago O'Hare Intl Airport with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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Rockford

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Oak Brook

Rosemont

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Why use momondo?

Why should I use momondo to find a flight deal from San Sebastian to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from San Sebastian.

Can I find flights from San Sebastian to Chicago with flexible booking policies on momondo?

All flight searches from San Sebastian to Chicago on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Sebastian to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from San Sebastian.

I’m not ready to book a flight from San Sebastian to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Sebastian to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.