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.

$1,048 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.

1:40 pm - 7:42 amEAS San Sebastián-ORD Chicago O'Hare Intl

25h 02m2 stops Madrid Barajas Miami

4:31 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

37h 29m2 stops New York John F Kennedy Intl Madrid Barajas

$1,048American Airlines

Wed, Nov 11 - Sun, Nov 15

1:40 pm - 10:30 amEAS San Sebastián-ORD Chicago O'Hare Intl

27h 50m2 stops Madrid Barajas Boston Logan Intl

7:20 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

34h 40m2 stops Philadelphia Madrid Barajas

$1,050American Airlines

Wed, Nov 11 - Sun, Nov 15

1:40 pm - 7:42 amEAS San Sebastián-ORD Chicago O'Hare Intl

25h 02m2 stops Madrid Barajas Miami

4:31 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

37h 29m2 stops New York John F Kennedy Intl Madrid Barajas

$1,051American Airlines

Wed, Nov 11 - Sun, Nov 15

1:40 pm - 3:05 pmEAS San Sebastián-ORD Chicago O'Hare Intl

32h 25m1 stop Madrid Barajas

2:31 pm - 8:40 amORD Chicago O'Hare Intl-EAS San Sebastián

35h 09m2 stops New York John F Kennedy Intl Madrid Barajas

$1,059American Airlines

Wed, Nov 11 - Sun, Nov 15

1:40 pm - 3:05 pmEAS San Sebastián-ORD Chicago O'Hare Intl

32h 25m1 stop Madrid Barajas

9:06 pm - 8:40 amORD Chicago O'Hare Intl-EAS San Sebastián

28h 34m2 stops Charlotte Douglas Madrid Barajas

$1,060American Airlines

Wed, Nov 11 - Sun, Nov 15

9:30 pm - 3:05 pmEAS San Sebastián-ORD Chicago O'Hare Intl

24h 35m1 stop Madrid Barajas

9:11 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

32h 49m2 stops Philadelphia Madrid Barajas

$1,061American Airlines

Wed, Nov 11 - Sun, Nov 15

1:40 pm - 9:54 pmEAS San Sebastián-ORD Chicago O'Hare Intl

15h 14m2 stops Madrid Barajas Boston Logan Intl

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

12h 20m1 stop Madrid Barajas

$1,067American Airlines

Wed, Nov 11 - Sun, Nov 15

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

12h 35m1 stop Madrid Barajas

6:05 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

11h 55m1 stop Madrid Barajas

$1,071Iberia

Wed, Nov 11 - Sun, Nov 15

9:30 pm - 3:05 pmEAS San Sebastián-ORD Chicago O'Hare Intl

24h 35m1 stop Madrid Barajas

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

12h 20m1 stop Madrid Barajas

$1,072British Airways

Wed, Nov 11 - Sun, Nov 15

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

12h 35m1 stop Madrid Barajas

6:05 pm - 1:00 pmORD Chicago O'Hare Intl-EAS San Sebastián

11h 55m1 stop Madrid Barajas

$1,073Iberia

Wed, Nov 11 - Sun, Nov 15

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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

Nov 11

EAS1:40 pmSan Sebastián

25h 02m

2 stops

ORD7:42 amChicago O'Hare Intl

Nov 15

ORD4:31 pmChicago O'Hare Intl

37h 29m

2 stops

EAS1:00 pmSan Sebastián

$1,048

American Airlines

Nov 11

EAS1:40 pmSan Sebastián

27h 50m

2 stops

ORD10:30 amChicago O'Hare Intl

Nov 15

ORD7:20 pmChicago O'Hare Intl

34h 40m

2 stops

EAS1:00 pmSan Sebastián

$1,050

American Airlines

Nov 11

EAS1:40 pmSan Sebastián

25h 02m

2 stops

ORD7:42 amChicago O'Hare Intl

Nov 15

ORD4:31 pmChicago O'Hare Intl

37h 29m

2 stops

EAS1:00 pmSan Sebastián

$1,051

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

Nov 11

EAS9:20 amSan Sebastián

12h 35m

1 stop

ORD2:55 pmChicago O'Hare Intl

Nov 15

ORD6:05 pmChicago O'Hare Intl

11h 55m

1 stop

EAS1:00 pmSan Sebastián

$1,071

Iberia

Nov 11

EAS9:20 amSan Sebastián

12h 35m

1 stop

ORD2:55 pmChicago O'Hare Intl

Nov 15

ORD6:05 pmChicago O'Hare Intl

11h 55m

1 stop

EAS1:00 pmSan Sebastián

$1,073

Iberia

Oct 13

EAS1:40 pmSan Sebastián

31h 45m

1 stop

ORD2:25 pmChicago O'Hare Intl

Oct 17

ORD4:55 pmChicago O'Hare Intl

13h 05m

1 stop

EAS1:00 pmSan Sebastián

$1,494

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

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

$1,048

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

1:40 pm-10:30 am

2 stops27h 50m

Chicago O'Hare Intl

Sun 11/15

7:20 pm-1:00 pm

2 stops34h 40m

$1,050

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

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

1:40 pm-3:05 pm

1 stop32h 25m

Chicago O'Hare Intl

Sun 11/15

2:31 pm-8:40 am

2 stops35h 09m

$1,059

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

1:40 pm-3:05 pm

1 stop32h 25m

Chicago O'Hare Intl

Sun 11/15

9:06 pm-8:40 am

2 stops28h 34m

$1,060

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

9:11 pm-1:00 pm

2 stops32h 49m

$1,061

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

1:40 pm-9:54 pm

2 stops15h 14m

Chicago O'Hare Intl

Sun 11/15

5:40 pm-1:00 pm

1 stop12h 20m

$1,067

Quickest round-trip

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

6:05 pm-1:00 pm

1 stop11h 55m

$1,071

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

5:40 pm-1:00 pm

1 stop12h 20m

$1,072

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

6:05 pm-1:00 pm

1 stop11h 55m

$1,073

Flights are sorted by cheapest round-trip flights first.

Sorted 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	$1,048
Fastest flight time	36h 05m
Direct flights	None

The best flight deal from San Sebastian to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $1,048

The fastest flight from San Sebastian to Chicago O'Hare Intl Airport takes 36h 05m

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 36h 05m.
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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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.