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Cheap flights from San Sebastian to Chicago from $515

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 9/6. 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

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Find the cheapest flights from San Sebastian to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:55 pm - 1:10 pm
EAS
-
ORD
26h 15m
2 stops
Multiple Airlines Logo
3:00 pm - 5:20 pm
ORD
-
EAS
19h 20m
2 stops
$1,061Multiple Airlines
Tue, Jun 23 - Tue, Jun 30
Iberia Logo
8:55 am - 12:38 am
EAS
-
ORD
22h 43m
2 stops
Iberia Logo
9:15 pm - 8:20 am
ORD
-
EAS
28h 05m
2 stops
$1,084Iberia
Wed, May 27 - Sun, May 31
Multiple Airlines Logo
5:55 pm - 4:00 pm
EAS
-
ORD
29h 05m
2 stops
Multiple Airlines Logo
3:45 pm - 8:30 am
ORD
-
EAS
33h 45m
3 stops
$1,157Multiple Airlines
Tue, Jun 23 - Tue, Jun 30
Iberia Logo
9:30 pm - 4:00 pm
EAS
-
ORD
25h 30m
1 stop
Iberia Logo
4:55 pm - 8:50 pm
ORD
-
EAS
20h 55m
1 stop
$1,180Iberia
Tue, Jun 23 - Tue, Jun 30
Iberia Logo
9:30 pm - 4:00 pm
EAS
-
ORD
25h 30m
1 stop
Iberia Logo
3:15 pm - 1:00 pm
ORD
-
EAS
14h 45m
2 stops
$1,203Iberia
Tue, Jun 23 - Tue, Jun 30
Multiple Airlines Logo
8:55 am - 9:40 am
EAS
-
ORD
31h 45m
3 stops
Multiple Airlines Logo
9:50 am - 8:30 am
ORD
-
EAS
39h 40m
3 stops
$1,223Multiple Airlines
Tue, Jun 23 - Tue, Jun 30
Iberia Logo
9:30 pm - 2:25 pm
EAS
-
ORD
23h 55m
1 stop
Iberia Logo
6:45 pm - 8:50 pm
ORD
-
EAS
43h 05m
2 stops
$1,387Iberia
Wed, May 27 - Sun, May 31
Iberia Logo
9:30 pm - 4:00 pm
EAS
-
ORD
25h 30m
1 stop
Iberia Logo
4:55 pm - 8:50 pm
ORD
-
EAS
20h 55m
1 stop
$1,491Iberia
Sun, Aug 2 - Fri, Aug 14
Multiple Airlines Logo
8:55 am - 7:50 pm
EAS
-
ORD
17h 55m
2 stops
Multiple Airlines Logo
9:00 pm - 8:20 am
ORD
-
EAS
28h 20m
3 stops
$1,513Multiple Airlines
Sun, Aug 2 - Fri, Aug 14
Iberia Logo
9:30 pm - 2:25 pm
EAS
-
ORD
23h 55m
1 stop
Iberia Logo
3:50 pm - 8:50 pm
ORD
-
EAS
22h 00m
2 stops
$1,542Iberia
Sun, Aug 2 - Fri, Aug 14

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
May 27
EAS8:55 amSan Sebastián
22h 43m
2 stops
ORD12:38 amChicago O'Hare Intl
May 31
ORD9:15 pmChicago O'Hare Intl
28h 05m
2 stops
EAS8:20 amSan Sebastián
$1,084
Iberia
Jun 23
EAS9:30 pmSan Sebastián
25h 30m
1 stop
ORD4:00 pmChicago O'Hare Intl
Jun 30
ORD4:55 pmChicago O'Hare Intl
20h 55m
1 stop
EAS8:50 pmSan Sebastián
$1,180
Iberia
Jun 23
EAS9:30 pmSan Sebastián
25h 30m
1 stop
ORD4:00 pmChicago O'Hare Intl
Jun 30
ORD3:15 pmChicago O'Hare Intl
14h 45m
2 stops
EAS1:00 pmSan Sebastián
$1,203

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 May 13, 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

Tue 6/23

5:55 pm-1:10 pm

2 stops26h 15m

Chicago O'Hare Intl

Tue 6/30

3:00 pm-5:20 pm

2 stops19h 20m

$1,061

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Wed 5/27

8:55 am-12:38 am

2 stops22h 43m

Chicago O'Hare Intl

Sun 5/31

9:15 pm-8:20 am

2 stops28h 05m

$1,084

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Tue 6/23

5:55 pm-4:00 pm

2 stops29h 05m

Chicago O'Hare Intl

Tue 6/30

3:45 pm-8:30 am

3 stops33h 45m

$1,157

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Tue 6/23

9:30 pm-4:00 pm

1 stop25h 30m

Chicago O'Hare Intl

Tue 6/30

4:55 pm-8:50 pm

1 stop20h 55m

$1,180
Quickest round-trip

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Tue 6/23

9:30 pm-4:00 pm

1 stop25h 30m

Chicago O'Hare Intl

Tue 6/30

3:15 pm-1:00 pm

2 stops14h 45m

$1,203

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Tue 6/23

8:55 am-9:40 am

3 stops31h 45m

Chicago O'Hare Intl

Tue 6/30

9:50 am-8:30 am

3 stops39h 40m

$1,223

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Wed 5/27

9:30 pm-2:25 pm

1 stop23h 55m

Chicago O'Hare Intl

Sun 5/31

6:45 pm-8:50 pm

2 stops43h 05m

$1,387

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sun 8/2

9:30 pm-4:00 pm

1 stop25h 30m

Chicago O'Hare Intl

Fri 8/14

4:55 pm-8:50 pm

1 stop20h 55m

$1,491

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sun 8/2

8:55 am-7:50 pm

2 stops17h 55m

Chicago O'Hare Intl

Fri 8/14

9:00 pm-8:20 am

3 stops28h 20m

$1,513

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sun 8/2

9:30 pm-2:25 pm

1 stop23h 55m

Chicago O'Hare Intl

Fri 8/14

3:50 pm-8:50 pm

2 stops22h 00m

$1,542

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from San Sebastian to Chicago O'Hare Intl Airport

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 O'Hare Intl?

Iberia, American Airlines, and British Airways are the most popular carriers operating from San Sebastián to Chicago O'Hare Intl

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

45h 18m

Direct flights

None
The fastest flight from San Sebastian to Chicago O'Hare Intl Airport takes 45h 18m
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.
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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 45h 18m.

  • 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.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
New Buffalo
Oak Brook
Kenosha
Joliet
Aurora
Racine
Janesville
Hammond
Evanston
Elgin
Tinley Park

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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