Latest deals
When to book
FAQs
Price Alerts

Cheap flights from San Sebastian to Chicago from $749

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 4/16. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
10:30 pm - 8:40 am
ORD
-
EAS
27h 10m
2 stops
$749Iberia
Thu, Apr 16 - Mon, Apr 20
Iberia Logo
9:20 am - 9:35 pm
EAS
-
ORD
19h 15m
2 stops
Iberia Logo
10:30 pm - 8:40 am
ORD
-
EAS
27h 10m
2 stops
$755Iberia
Thu, Apr 16 - Mon, Apr 20
Iberia Logo
9:20 am - 4:00 pm
EAS
-
ORD
13h 40m
1 stop
Iberia Logo
10:30 pm - 8:50 pm
ORD
-
EAS
15h 20m
1 stop
$760Iberia
Thu, Apr 16 - Mon, Apr 20
Iberia Logo
9:20 am - 2:25 pm
EAS
-
ORD
12h 05m
1 stop
Iberia Logo
4:55 pm - 1:00 pm
ORD
-
EAS
13h 05m
1 stop
$771Iberia
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
9:20 am - 2:25 pm
EAS
-
ORD
12h 05m
1 stop
American Airlines Logo
4:55 pm - 1:00 pm
ORD
-
EAS
13h 05m
1 stop
$889American Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
1:40 pm - 9:02 am
EAS
-
ORD
26h 22m
2 stops
American Airlines Logo
7:15 am - 1:00 pm
ORD
-
EAS
22h 45m
2 stops
$895American Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
9:20 am - 2:25 pm
EAS
-
ORD
12h 05m
1 stop
American Airlines Logo
4:55 pm - 1:00 pm
ORD
-
EAS
13h 05m
1 stop
$896American Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
1:40 pm - 3:47 pm
EAS
-
ORD
33h 07m
2 stops
American Airlines Logo
8:01 am - 8:40 am
ORD
-
EAS
17h 39m
2 stops
$901American Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
9:20 am - 2:25 pm
EAS
-
ORD
12h 05m
1 stop
American Airlines Logo
4:55 pm - 1:00 pm
ORD
-
EAS
13h 05m
1 stop
$973American Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
2:05 pm - 7:25 pm
EAS
-
ORD
35h 20m
3 stops
Multiple Airlines Logo
9:25 pm - 1:30 pm
ORD
-
EAS
34h 05m
3 stops
$1,493Multiple Airlines
Wed, Mar 18 - Sun, Mar 22

Iberia flights from San Sebastian to Chicago

Our best Iberia deals on San Sebastian to Chicago flight tickets
Iberia
Apr 16
EAS9:20 amSan Sebastián
12h 05m
1 stop
ORD2:25 pmChicago O'Hare Intl
Apr 20
ORD10:30 pmChicago O'Hare Intl
27h 10m
2 stops
EAS8:40 amSan Sebastián
$749
Iberia
Apr 16
EAS9:20 amSan Sebastián
19h 15m
2 stops
ORD9:35 pmChicago O'Hare Intl
Apr 20
ORD10:30 pmChicago O'Hare Intl
27h 10m
2 stops
EAS8:40 amSan Sebastián
$755
Iberia
Apr 16
EAS9:20 amSan Sebastián
13h 40m
1 stop
ORD4:00 pmChicago O'Hare Intl
Apr 20
ORD10:30 pmChicago O'Hare Intl
15h 20m
1 stop
EAS8:50 pmSan Sebastián
$760

American Airlines flights from San Sebastian to Chicago

Our best American Airlines deals on San Sebastian to Chicago flight tickets
American Airlines
Apr 16
EAS9:20 amSan Sebastián
12h 05m
1 stop
ORD2:25 pmChicago O'Hare Intl
Apr 20
ORD4:55 pmChicago O'Hare Intl
13h 05m
1 stop
EAS1:00 pmSan Sebastián
$889
American Airlines
Apr 16
EAS1:40 pmSan Sebastián
26h 22m
2 stops
ORD9:02 amChicago O'Hare Intl
Apr 20
ORD7:15 amChicago O'Hare Intl
22h 45m
2 stops
EAS1:00 pmSan Sebastián
$895
American Airlines
Apr 16
EAS9:20 amSan Sebastián
12h 05m
1 stop
ORD2:25 pmChicago O'Hare Intl
Apr 20
ORD4:55 pmChicago O'Hare Intl
13h 05m
1 stop
EAS1:00 pmSan Sebastián
$896

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 March 4, 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

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 4/16

9:20 am-2:25 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 4/20

10:30 pm-8:40 am

2 stops27h 10m

$749

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 4/16

9:20 am-9:35 pm

2 stops19h 15m

Chicago O'Hare Intl

Mon 4/20

10:30 pm-8:40 am

2 stops27h 10m

$755

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 4/16

9:20 am-4:00 pm

1 stop13h 40m

Chicago O'Hare Intl

Mon 4/20

10:30 pm-8:50 pm

1 stop15h 20m

$760

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 4/16

9:20 am-2:25 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 4/20

4:55 pm-1:00 pm

1 stop13h 05m

$771

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 4/16

9:20 am-2:25 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 4/20

4:55 pm-1:00 pm

1 stop13h 05m

$889

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 4/16

1:40 pm-9:02 am

2 stops26h 22m

Chicago O'Hare Intl

Mon 4/20

7:15 am-1:00 pm

2 stops22h 45m

$895

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 4/16

9:20 am-2:25 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 4/20

4:55 pm-1:00 pm

1 stop13h 05m

$896

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 4/16

1:40 pm-3:47 pm

2 stops33h 07m

Chicago O'Hare Intl

Mon 4/20

8:01 am-8:40 am

2 stops17h 39m

$901

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 4/16

9:20 am-2:25 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 4/20

4:55 pm-1:00 pm

1 stop13h 05m

$973

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Wed 3/18

2:05 pm-7:25 pm

3 stops35h 20m

Chicago O'Hare Intl

Sun 3/22

9:25 pm-1:30 pm

3 stops34h 05m

$1,493

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

23h 55m

Direct flights

None
The fastest flight from San Sebastian to Chicago takes 23h 55m
There are no direct flights from San Sebastian to Chicago. There are no popular flight routes from San Sebastian to Chicago.
Search flight deals

  • 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 23h 55m.

  • 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.

  • How do I get Price Alerts for flights from San Sebastian to Chicago?

    Search flight deals from San Sebastian to Chicago. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from San Sebastian to Chicago with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Chicago?

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

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 4/3
Fri 4/10
By creating a price alert you accept our terms of use and privacy policy.

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