Latest deals
When to book
FAQs
Price Alerts

Cheap flights from San Sebastian to Chicago from $459

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 5/28. 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 - 2:55 pm
EAS
-
ORD
12h 35m1 stop
Iberia Logo
6:45 pm - 8:50 pm
ORD
-
EAS
19h 05m2 stops
$722Iberia
Fri, Jan 23 - Fri, Jan 30
Iberia Logo
9:20 am - 2:55 pm
EAS
-
ORD
12h 35m1 stop
Iberia Logo
5:40 pm - 8:50 pm
ORD
-
EAS
20h 10m1 stop
$735Iberia
Fri, Jan 23 - Fri, Jan 30
American Airlines Logo
9:20 am - 8:10 pm
EAS
-
ORD
17h 50m2 stops
American Airlines Logo
2:50 pm - 8:50 pm
ORD
-
EAS
23h 00m2 stops
$741American Airlines
Fri, Jan 23 - Fri, Jan 30
Iberia Logo
9:30 pm - 2:55 pm
EAS
-
ORD
24h 25m1 stop
Iberia Logo
5:40 pm - 1:00 pm
ORD
-
EAS
12h 20m1 stop
$745Iberia
Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
9:30 pm - 2:55 pm
EAS
-
ORD
24h 25m1 stop
Multiple Airlines Logo
5:40 pm - 1:00 pm
ORD
-
EAS
12h 20m1 stop
$746Multiple Airlines
Sat, Jan 24 - Sat, Jan 31
American Airlines Logo
9:30 pm - 11:55 am
EAS
-
ORD
21h 25m2 stops
American Airlines Logo
11:39 am - 8:40 am
ORD
-
EAS
14h 01m2 stops
$748American Airlines
Sat, Jan 24 - Sat, Jan 31
Iberia Logo
9:30 pm - 2:55 pm
EAS
-
ORD
24h 25m1 stop
Iberia Logo
11:39 am - 1:00 pm
ORD
-
EAS
18h 21m2 stops
$768Iberia
Sat, Jan 24 - Sat, Jan 31
American Airlines Logo
9:30 pm - 3:25 pm
EAS
-
ORD
24h 55m2 stops
American Airlines Logo
11:39 am - 8:40 am
ORD
-
EAS
14h 01m2 stops
$773American Airlines
Sat, Jan 24 - Sat, Jan 31
Iberia Logo
9:30 pm - 5:42 pm
EAS
-
ORD
27h 12m2 stops
Iberia Logo
11:39 am - 8:40 am
ORD
-
EAS
14h 01m2 stops
$797Iberia
Sat, Jan 24 - Sat, Jan 31
Iberia Logo
9:20 am - 2:55 pm
EAS
-
ORD
12h 35m1 stop
Iberia Logo
6:25 pm - 8:50 pm
ORD
-
EAS
19h 25m2 stops
$879Iberia
Thu, Jan 29 - Mon, Feb 2

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
Jan 23
EAS9:20 amSan Sebastián
12h 35m
1 stop
ORD2:55 pmChicago O'Hare Intl
Jan 30
ORD6:45 pmChicago O'Hare Intl
19h 05m
2 stops
EAS8:50 pmSan Sebastián
$722
Find similar
Iberia
Jan 23
EAS9:20 amSan Sebastián
12h 35m
1 stop
ORD2:55 pmChicago O'Hare Intl
Jan 30
ORD5:40 pmChicago O'Hare Intl
20h 10m
1 stop
EAS8:50 pmSan Sebastián
$735
Find similar
Iberia
Jan 24
EAS9:30 pmSan Sebastián
24h 25m
1 stop
ORD2:55 pmChicago O'Hare Intl
Jan 31
ORD5:40 pmChicago O'Hare Intl
12h 20m
1 stop
EAS1:00 pmSan Sebastián
$745
Find similar

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
Jan 23
EAS9:20 amSan Sebastián
17h 50m
2 stops
ORD8:10 pmChicago O'Hare Intl
Jan 30
ORD2:50 pmChicago O'Hare Intl
23h 00m
2 stops
EAS8:50 pmSan Sebastián
$741
Find similar
American Airlines
Jan 24
EAS9:30 pmSan Sebastián
21h 25m
2 stops
ORD11:55 amChicago O'Hare Intl
Jan 31
ORD11:39 amChicago O'Hare Intl
14h 01m
2 stops
EAS8:40 amSan Sebastián
$748
Find similar
American Airlines
Jan 24
EAS9:30 pmSan Sebastián
24h 55m
2 stops
ORD3:25 pmChicago O'Hare Intl
Jan 31
ORD11:39 amChicago O'Hare Intl
14h 01m
2 stops
EAS8:40 amSan Sebastián
$773
Find similar

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 December 11, 2025.
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

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Fri 1/23

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Fri 1/30

6:45 pm-8:50 pm

2 stops19h 05m

$722

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Fri 1/23

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Fri 1/30

5:40 pm-8:50 pm

1 stop20h 10m

$735

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Fri 1/23

9:20 am-8:10 pm

2 stops17h 50m

Chicago O'Hare Intl

Fri 1/30

2:50 pm-8:50 pm

2 stops23h 00m

$741

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 1/24

9:30 pm-2:55 pm

1 stop24h 25m

Chicago O'Hare Intl

Sat 1/31

5:40 pm-1:00 pm

1 stop12h 20m

$745

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 1/24

9:30 pm-2:55 pm

1 stop24h 25m

Chicago O'Hare Intl

Sat 1/31

5:40 pm-1:00 pm

1 stop12h 20m

$746

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 1/24

9:30 pm-11:55 am

2 stops21h 25m

Chicago O'Hare Intl

Sat 1/31

11:39 am-8:40 am

2 stops14h 01m

$748

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 1/24

9:30 pm-2:55 pm

1 stop24h 25m

Chicago O'Hare Intl

Sat 1/31

11:39 am-1:00 pm

2 stops18h 21m

$768

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 1/24

9:30 pm-3:25 pm

2 stops24h 55m

Chicago O'Hare Intl

Sat 1/31

11:39 am-8:40 am

2 stops14h 01m

$773

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sat 1/24

9:30 pm-5:42 pm

2 stops27h 12m

Chicago O'Hare Intl

Sat 1/31

11:39 am-8:40 am

2 stops14h 01m

$797

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 1/29

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Mon 2/2

6:25 pm-8:50 pm

2 stops19h 25m

$879

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

24h 25m

Direct flights

None
The fastest flight from San Sebastian to Chicago O'Hare Intl Airport takes 24h 25m
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

  • 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 24h 25m.

  • 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.

  • 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.

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
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Tinley Park
Janesville
Aurora
Elgin
Benton Harbor

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.

An easier way to manage your Chicago O'Hare Intl Airport 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
Sat 1/10
Sat 1/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago