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Cheap flights from San Sebastian to Chicago from $429

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Sebastian to Chicago departing on 9/1. 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 - 2:25 pm
EAS
-
ORD
12h 05m
1 stop
Iberia Logo
11:37 am - 8:40 am
ORD
-
EAS
14h 03m
2 stops
$748Iberia
Wed, Sep 2 - Wed, Sep 9
Iberia Logo
9:30 pm - 1:20 pm
EAS
-
ORD
22h 50m
2 stops
Iberia Logo
11:37 am - 8:40 am
ORD
-
EAS
14h 03m
2 stops
$772Iberia
Wed, Sep 2 - Wed, Sep 9
Iberia Logo
9:20 am - 3:10 pm
EAS
-
ORD
12h 50m
1 stop
Iberia Logo
6:00 pm - 1:00 pm
ORD
-
EAS
12h 00m
1 stop
$782Iberia
Thu, Nov 5 - Mon, Nov 9
Iberia Logo
9:20 am - 2:55 pm
EAS
-
ORD
12h 35m
1 stop
Iberia Logo
6:00 pm - 1:00 pm
ORD
-
EAS
12h 00m
1 stop
$783Iberia
Thu, Nov 5 - Mon, Nov 9
Iberia Logo
9:20 am - 2:55 pm
EAS
-
ORD
12h 35m
1 stop
Iberia Logo
6:00 pm - 1:00 pm
ORD
-
EAS
12h 00m
1 stop
$788Iberia
Thu, Nov 5 - Mon, Nov 9
Iberia Logo
9:20 am - 7:15 pm
EAS
-
ORD
16h 55m
2 stops
Iberia Logo
12:06 pm - 1:00 pm
ORD
-
EAS
17h 54m
2 stops
$802Iberia
Thu, Nov 5 - Mon, Nov 9
Iberia Logo
9:20 am - 6:45 pm
EAS
-
ORD
16h 25m
2 stops
Iberia Logo
12:06 pm - 1:00 pm
ORD
-
EAS
17h 54m
2 stops
$830Iberia
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
9:20 am - 2:55 pm
EAS
-
ORD
12h 35m
1 stop
American Airlines Logo
5:40 pm - 1:00 pm
ORD
-
EAS
12h 20m
1 stop
$920American Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
9:20 am - 9:00 pm
EAS
-
ORD
18h 40m
2 stops
American Airlines Logo
9:02 am - 8:40 am
ORD
-
EAS
16h 38m
2 stops
$925American Airlines
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
9:30 pm - 7:25 pm
EAS
-
ORD
28h 55m
2 stops
Multiple Airlines Logo
10:34 am - 1:00 pm
ORD
-
EAS
19h 26m
2 stops
$942Multiple Airlines
Tue, Dec 1 - Tue, Dec 15

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Iberia flights from San Sebastian to Chicago

Our best Iberia deals on San Sebastian to Chicago flight tickets
Iberia
Sep 2
EAS9:20 amSan Sebastián
12h 05m
1 stop
ORD2:25 pmChicago O'Hare Intl
Sep 9
ORD11:37 amChicago O'Hare Intl
14h 03m
2 stops
EAS8:40 amSan Sebastián
$748
Iberia
Sep 2
EAS9:30 pmSan Sebastián
22h 50m
2 stops
ORD1:20 pmChicago O'Hare Intl
Sep 9
ORD11:37 amChicago O'Hare Intl
14h 03m
2 stops
EAS8:40 amSan Sebastián
$772
Iberia
Nov 5
EAS9:20 amSan Sebastián
12h 50m
1 stop
ORD3:10 pmChicago O'Hare Intl
Nov 9
ORD6:00 pmChicago O'Hare Intl
12h 00m
1 stop
EAS1:00 pmSan Sebastián
$782

American Airlines flights from San Sebastian to Chicago

Our best American Airlines deals on San Sebastian to Chicago flight tickets
American Airlines
Nov 5
EAS9:20 amSan Sebastián
12h 35m
1 stop
ORD2:55 pmChicago O'Hare Intl
Nov 9
ORD5:40 pmChicago O'Hare Intl
12h 20m
1 stop
EAS1:00 pmSan Sebastián
$920
American Airlines
Nov 5
EAS9:20 amSan Sebastián
18h 40m
2 stops
ORD9:00 pmChicago O'Hare Intl
Nov 9
ORD9:02 amChicago O'Hare Intl
16h 38m
2 stops
EAS8:40 amSan Sebastián
$925
American Airlines
Nov 6
EAS1:40 pmSan Sebastián
26h 25m
2 stops
ORD9:05 amChicago O'Hare Intl
Nov 10
ORD10:34 amChicago O'Hare Intl
15h 06m
2 stops
EAS8:40 amSan Sebastián
$944

momondo Fare Finder

 
Customize your flight search to find flights from San Sebastian to Chicago 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 July 21, 2026.
Use the filters below to find and compare flights from San Sebastian to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Wed 9/2

9:20 am-2:25 pm

1 stop12h 05m

Chicago O'Hare Intl

Wed 9/9

11:37 am-8:40 am

2 stops14h 03m

$748

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Wed 9/2

9:30 pm-1:20 pm

2 stops22h 50m

Chicago O'Hare Intl

Wed 9/9

11:37 am-8:40 am

2 stops14h 03m

$772

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-3:10 pm

1 stop12h 50m

Chicago O'Hare Intl

Mon 11/9

6:00 pm-1:00 pm

1 stop12h 00m

$782
Quickest round-trip

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Mon 11/9

6:00 pm-1:00 pm

1 stop12h 00m

$783

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Mon 11/9

6:00 pm-1:00 pm

1 stop12h 00m

$788

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-7:15 pm

2 stops16h 55m

Chicago O'Hare Intl

Mon 11/9

12:06 pm-1:00 pm

2 stops17h 54m

$802

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-6:45 pm

2 stops16h 25m

Chicago O'Hare Intl

Mon 11/9

12:06 pm-1:00 pm

2 stops17h 54m

$830

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Mon 11/9

5:40 pm-1:00 pm

1 stop12h 20m

$920

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-9:00 pm

2 stops18h 40m

Chicago O'Hare Intl

Mon 11/9

9:02 am-8:40 am

2 stops16h 38m

$925

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Tue 12/1

9:30 pm-7:25 pm

2 stops28h 55m

Chicago O'Hare Intl

Tue 12/15

10:34 am-1:00 pm

2 stops19h 26m

$942

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Chicago from

How to get the cheapest flight ticket from San Sebastian to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from San Sebastián to Chicago?

Finnair and British Airways are the most popular carriers operating from San Sebastián to Chicago

When to book flights from San Sebastian to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from San Sebastian to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Sebastian to Chicago (EAS to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Sebastian to Chicago

Fastest flight time

12h 35m

Direct flights

None
The fastest flight from San Sebastian to Chicago takes 12h 35m
There are no direct flights from San Sebastian to Chicago. There are no popular flight routes from San Sebastian to Chicago.
Search flight deals

Frequently asked questions about flying from San Sebastian to Chicago

  • How far is San Sebastián to Chicago by plane?

    The straight-line distance from San Sebastián to Chicago is 4147.4 mi. By plane, this route typically takes 12h 35m.

  • When did momondo last update prices for flights from San Sebastián Airport to Chicago?

    Prices for flights from San Sebastián Airport to Chicago are updated daily.

  • How old do you have to be to fly from San Sebastián Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Sebastián Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Schererville
Munster
Chesterton
Monticello
Crown Point
Porter
Griffith
Saint John

Why use momondo?

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

It is quick and easy to find San Sebastian to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

Flights from San Sebastian to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Chicago from San Sebastian. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Chicago from San Sebastian. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport