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Cheap flights from San Sebastian to Chicago from $802

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Sebastian to Chicago departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from San Sebastian to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
9:20 am - 4:00 pm
EAS
-
ORD
13h 40m
1 stop
Iberia Logo
8:46 am - 8:40 am
ORD
-
EAS
16h 54m
2 stops
$802Iberia
Thu, Sep 24 - Mon, Sep 28
Iberia Logo
9:20 am - 7:38 pm
EAS
-
ORD
17h 18m
2 stops
Iberia Logo
8:46 am - 8:40 am
ORD
-
EAS
16h 54m
2 stops
$808Iberia
Thu, Sep 24 - Mon, Sep 28
Iberia Logo
1:40 pm - 3:30 pm
EAS
-
ORD
32h 50m
2 stops
Iberia Logo
4:55 pm - 8:50 pm
ORD
-
EAS
20h 55m
1 stop
$813Iberia
Thu, Oct 8 - Fri, Oct 16
Iberia Logo
9:20 am - 2:25 pm
EAS
-
ORD
12h 05m
1 stop
Iberia Logo
10:15 pm - 8:50 pm
ORD
-
EAS
15h 35m
1 stop
$819Iberia
Thu, Sep 24 - Mon, Sep 28
Iberia Logo
9:20 am - 4:00 pm
EAS
-
ORD
13h 40m
1 stop
Iberia Logo
8:46 am - 8:40 am
ORD
-
EAS
16h 54m
2 stops
$839Iberia
Thu, Sep 24 - Mon, Sep 28
Iberia Logo
9:20 am - 7:38 pm
EAS
-
ORD
17h 18m
2 stops
Iberia Logo
8:46 am - 8:40 am
ORD
-
EAS
16h 54m
2 stops
$844Iberia
Thu, Sep 24 - Mon, Sep 28
Iberia Logo
9:20 am - 7:38 pm
EAS
-
ORD
17h 18m
2 stops
Iberia Logo
8:46 am - 8:40 am
ORD
-
EAS
16h 54m
2 stops
$847Iberia
Thu, Sep 24 - Mon, Sep 28
Iberia Logo
9:20 am - 2:25 pm
EAS
-
ORD
12h 05m
1 stop
Iberia Logo
8:46 am - 8:40 am
ORD
-
EAS
16h 54m
2 stops
$854Iberia
Thu, Sep 24 - Mon, Sep 28
British Airways Logo
9:30 pm - 4:00 pm
EAS
-
ORD
25h 30m
1 stop
British Airways Logo
4:55 pm - 8:50 pm
ORD
-
EAS
20h 55m
1 stop
$865British Airways
Thu, Oct 8 - Fri, Oct 16
Iberia Logo
9:20 am - 4:00 pm
EAS
-
ORD
13h 40m
1 stop
Iberia Logo
4:55 pm - 1:00 pm
ORD
-
EAS
13h 05m
1 stop
$876Iberia
Thu, Sep 24 - Mon, Sep 28

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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
Sep 24
EAS9:20 amSan Sebastián
13h 40m
1 stop
ORD4:00 pmChicago O'Hare Intl
Sep 28
ORD8:46 amChicago O'Hare Intl
16h 54m
2 stops
EAS8:40 amSan Sebastián
$802
Iberia
Sep 24
EAS9:20 amSan Sebastián
17h 18m
2 stops
ORD7:38 pmChicago O'Hare Intl
Sep 28
ORD8:46 amChicago O'Hare Intl
16h 54m
2 stops
EAS8:40 amSan Sebastián
$808
Iberia
Oct 8
EAS1:40 pmSan Sebastián
32h 50m
2 stops
ORD3:30 pmChicago O'Hare Intl
Oct 16
ORD4:55 pmChicago O'Hare Intl
20h 55m
1 stop
EAS8:50 pmSan Sebastián
$813

British Airways flights from San Sebastian to Chicago O'Hare Intl Airport

Our best British Airways deals on San Sebastian to Chicago O'Hare Intl Airport flight tickets
British Airways
Oct 8
EAS9:30 pmSan Sebastián
25h 30m
1 stop
ORD4:00 pmChicago O'Hare Intl
Oct 16
ORD4:55 pmChicago O'Hare Intl
20h 55m
1 stop
EAS8:50 pmSan Sebastián
$865
British Airways
Sep 24
EAS9:30 pmSan Sebastián
30h 42m
2 stops
ORD9:12 pmChicago O'Hare Intl
Sep 28
ORD5:00 pmChicago O'Hare Intl
20h 50m
2 stops
EAS8:50 pmSan Sebastián
$1,115

momondo Fare Finder

 
Customize your flight search to find flights from San Sebastian to Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated June 28, 2026.
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 - ORD

EASORD

San Sebastián

Thu 9/24

9:20 am-4:00 pm

1 stop13h 40m

Chicago O'Hare Intl

Mon 9/28

8:46 am-8:40 am

2 stops16h 54m

$802

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 9/24

9:20 am-7:38 pm

2 stops17h 18m

Chicago O'Hare Intl

Mon 9/28

8:46 am-8:40 am

2 stops16h 54m

$808

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 10/8

1:40 pm-3:30 pm

2 stops32h 50m

Chicago O'Hare Intl

Fri 10/16

4:55 pm-8:50 pm

1 stop20h 55m

$813

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 9/24

9:20 am-2:25 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 9/28

10:15 pm-8:50 pm

1 stop15h 35m

$819

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 9/24

9:20 am-4:00 pm

1 stop13h 40m

Chicago O'Hare Intl

Mon 9/28

8:46 am-8:40 am

2 stops16h 54m

$839

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 9/24

9:20 am-7:38 pm

2 stops17h 18m

Chicago O'Hare Intl

Mon 9/28

8:46 am-8:40 am

2 stops16h 54m

$844

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 9/24

9:20 am-7:38 pm

2 stops17h 18m

Chicago O'Hare Intl

Mon 9/28

8:46 am-8:40 am

2 stops16h 54m

$847

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 9/24

9:20 am-2:25 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 9/28

8:46 am-8:40 am

2 stops16h 54m

$854

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 10/8

9:30 pm-4:00 pm

1 stop25h 30m

Chicago O'Hare Intl

Fri 10/16

4:55 pm-8:50 pm

1 stop20h 55m

$865
Quickest round-trip

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 9/24

9:20 am-4:00 pm

1 stop13h 40m

Chicago O'Hare Intl

Mon 9/28

4:55 pm-1:00 pm

1 stop13h 05m

$876

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

Fastest flight time

19h 30m

Direct flights

None
The fastest flight from San Sebastian to Chicago O'Hare Intl Airport takes 19h 30m
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 19h 30m.

  • 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.

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