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

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

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

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 Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$510 Cheap Flights from San Sebastian to Illinois in 2026/27

Find the cheapest flights from San Sebastian to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 am - 2:55 pmEAS San Sebastián-ORD Chicago O'Hare Intl

12h 35m1 stop Madrid Barajas

6:05 pm - 8:50 pmORD Chicago O'Hare Intl-EAS San Sebastián

19h 45m1 stop Madrid Barajas

$689Iberia

Wed, Nov 11 - Sun, Nov 15

9:20 am - 2:55 pmEAS San Sebastián-ORD Chicago O'Hare Intl

12h 35m1 stop Madrid Barajas

6:05 pm - 8:50 pmORD Chicago O'Hare Intl-EAS San Sebastián

19h 45m1 stop Madrid Barajas

$690Iberia

Wed, Nov 11 - Sun, Nov 15

9:20 am - 2:55 pmEAS San Sebastián-ORD Chicago O'Hare Intl

12h 35m1 stop Madrid Barajas

6:05 pm - 8:50 pmORD Chicago O'Hare Intl-EAS San Sebastián

19h 45m1 stop Madrid Barajas

$692Iberia

Wed, Nov 11 - Sun, Nov 15

9:20 am - 2:55 pmEAS San Sebastián-ORD Chicago O'Hare Intl

12h 35m1 stop Madrid Barajas

9:50 pm - 8:50 pmORD Chicago O'Hare Intl-EAS San Sebastián

16h 00m2 stops London Heathrow Madrid Barajas

$693Iberia

Wed, Nov 11 - Sun, Nov 15

9:20 am - 10:30 pmEAS San Sebastián-ORD Chicago O'Hare Intl

20h 10m2 stops Madrid Barajas New York John F Kennedy Intl

10:31 am - 8:40 amORD Chicago O'Hare Intl-EAS San Sebastián

15h 09m2 stops New York John F Kennedy Intl Madrid Barajas

$695Iberia

Wed, Nov 11 - Sun, Nov 15

9:20 am - 10:30 pmEAS San Sebastián-ORD Chicago O'Hare Intl

20h 10m2 stops Madrid Barajas New York John F Kennedy Intl

10:31 am - 8:40 amORD Chicago O'Hare Intl-EAS San Sebastián

15h 09m2 stops New York John F Kennedy Intl Madrid Barajas

$696Iberia

Wed, Nov 11 - Sun, Nov 15

9:20 am - 10:30 pmEAS San Sebastián-ORD Chicago O'Hare Intl

20h 10m2 stops Madrid Barajas New York John F Kennedy Intl

8:30 pm - 8:50 pmORD Chicago O'Hare Intl-EAS San Sebastián

17h 20m2 stops London Heathrow Madrid Barajas

$699Iberia

Wed, Nov 11 - Sun, Nov 15

9:20 am - 2:55 pmEAS San Sebastián-ORD Chicago O'Hare Intl

12h 35m1 stop Madrid Barajas

5:40 pm - 8:40 amORD Chicago O'Hare Intl-EAS San Sebastián

32h 00m1 stop Madrid Barajas

$702Iberia

Wed, Nov 11 - Sun, Nov 15

9:20 am - 10:30 pmEAS San Sebastián-ORD Chicago O'Hare Intl

20h 10m2 stops Madrid Barajas New York John F Kennedy Intl

5:40 pm - 8:40 amORD Chicago O'Hare Intl-EAS San Sebastián

32h 00m1 stop Madrid Barajas

$708Iberia

Wed, Nov 11 - Sun, Nov 15

1:40 pm - 9:54 pmEAS San Sebastián-ORD Chicago O'Hare Intl

15h 14m2 stops Madrid Barajas Boston Logan Intl

9:50 pm - 8:50 pmORD Chicago O'Hare Intl-EAS San Sebastián

16h 00m2 stops London Heathrow Madrid Barajas

$798Iberia

Wed, Nov 11 - Sun, Nov 15

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Iberia flights from San Sebastian to Illinois

Our best Iberia deals on San Sebastian to Illinois flight tickets

Iberia

Nov 11

EAS9:20 amSan Sebastián

12h 35m

1 stop

ORD2:55 pmChicago O'Hare Intl

Nov 15

ORD10:31 amChicago O'Hare Intl

15h 09m

2 stops

EAS8:40 amSan Sebastián

$689

Iberia

Nov 11

EAS9:20 amSan Sebastián

12h 35m

1 stop

ORD2:55 pmChicago O'Hare Intl

Nov 15

ORD6:05 pmChicago O'Hare Intl

19h 45m

1 stop

EAS8:50 pmSan Sebastián

$690

Iberia

Nov 11

EAS9:20 amSan Sebastián

12h 35m

1 stop

ORD2:55 pmChicago O'Hare Intl

Nov 15

ORD6:05 pmChicago O'Hare Intl

19h 45m

1 stop

EAS8:50 pmSan Sebastián

$692

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Sun 11/15

6:05 pm-8:50 pm

1 stop19h 45m

$689

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Sun 11/15

6:05 pm-8:50 pm

1 stop19h 45m

$690

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Sun 11/15

6:05 pm-8:50 pm

1 stop19h 45m

$692

Quickest round-trip

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Sun 11/15

9:50 pm-8:50 pm

2 stops16h 00m

$693

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

9:20 am-10:30 pm

2 stops20h 10m

Chicago O'Hare Intl

Sun 11/15

10:31 am-8:40 am

2 stops15h 09m

$695

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

9:20 am-10:30 pm

2 stops20h 10m

Chicago O'Hare Intl

Sun 11/15

10:31 am-8:40 am

2 stops15h 09m

$696

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

9:20 am-10:30 pm

2 stops20h 10m

Chicago O'Hare Intl

Sun 11/15

8:30 pm-8:50 pm

2 stops17h 20m

$699

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

9:20 am-2:55 pm

1 stop12h 35m

Chicago O'Hare Intl

Sun 11/15

5:40 pm-8:40 am

1 stop32h 00m

$702

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

9:20 am-10:30 pm

2 stops20h 10m

Chicago O'Hare Intl

Sun 11/15

5:40 pm-8:40 am

1 stop32h 00m

$708

San SebastianChicago

EAS San Sebastián - ORD Chicago O'Hare Intl

EASORD

San Sebastián

Wed 11/11

1:40 pm-9:54 pm

2 stops15h 14m

Chicago O'Hare Intl

Sun 11/15

9:50 pm-8:50 pm

2 stops16h 00m

$798

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 Illinois?

Iberia is the most popular carrier operating from San Sebastián to Illinois

Cheap San Sebastian to Illinois flight deals and tips

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

Best Price Found	$510
Fastest flight time	21h 39m
Direct flights	None

The best one-way flight to Illinois from San Sebastian in the past 72 hours is $510. The best round-trip flight deal from San Sebastian to Illinois found on momondo in the last 72 hours is $689.

The fastest flight from San Sebastian to Illinois takes 21h 39m

There are no direct flights from San Sebastian to Illinois. There are no popular flight routes from San Sebastian to Illinois.

Search flight deals

Frequently asked questions about flying from San Sebastian to Illinois

When did momondo last update prices for flights from San Sebastián Airport to Illinois?
Prices for flights from San Sebastián Airport to Illinois are updated daily.
How old do you have to be to fly from San Sebastián Airport to Illinois?
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 Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Illinois from San Sebastian is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Illinois from San Sebastian with this policy.

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

momondo provides multiple filters to help you find the best flight to Illinois 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 Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Sebastian to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.