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.

$467 Cheap Flights from San Sebastian to Illinois in 2026

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 pm

EAS

ORD

12h 35m

1 stop

3:16 pm - 1:00 pm

ORD

EAS

14h 44m

2 stops

$831Iberia

Thu, Nov 5 - Mon, Nov 9

9:20 am - 3:10 pm

EAS

ORD

12h 50m

1 stop

6:00 pm - 1:00 pm

ORD

EAS

12h 00m

1 stop

$850Iberia

Thu, Nov 5 - Mon, Nov 9

9:20 am - 3:10 pm

EAS

ORD

12h 50m

1 stop

6:00 pm - 1:00 pm

ORD

EAS

12h 00m

1 stop

$856Iberia

Thu, Nov 5 - Mon, Nov 9

9:20 am - 8:30 pm

EAS

ORD

18h 10m

2 stops

12:06 pm - 1:00 pm

ORD

EAS

17h 54m

2 stops

$859Iberia

Thu, Nov 5 - Mon, Nov 9

9:20 am - 8:30 pm

EAS

ORD

18h 10m

2 stops

12:06 pm - 1:00 pm

ORD

EAS

17h 54m

2 stops

$862Iberia

Thu, Nov 5 - Mon, Nov 9

9:20 am - 2:55 pm

EAS

ORD

12h 35m

1 stop

5:40 pm - 1:00 pm

ORD

EAS

12h 20m

1 stop

$990American Airlines

Thu, Nov 5 - Mon, Nov 9

9:20 am - 2:55 pm

EAS

ORD

12h 35m

1 stop

5:40 pm - 1:00 pm

ORD

EAS

12h 20m

1 stop

$992American Airlines

Thu, Nov 5 - Mon, Nov 9

9:20 am - 8:04 pm

EAS

ORD

17h 44m

2 stops

2:30 pm - 1:00 pm

ORD

EAS

15h 30m

2 stops

$996American Airlines

Thu, Nov 5 - Mon, Nov 9

9:20 am - 8:04 pm

EAS

ORD

17h 44m

2 stops

2:30 pm - 1:00 pm

ORD

EAS

15h 30m

2 stops

$997American Airlines

Thu, Nov 5 - Mon, Nov 9

5:55 pm - 9:25 pm

EAS

ORD

34h 30m

3 stops

7:25 pm - 8:20 am

ORD

EAS

29h 55m

3 stops

$1,365Multiple Airlines

Sun, Aug 16 - Thu, Aug 20

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American Airlines flights from San Sebastian to Illinois

Our best American Airlines deals on San Sebastian to Illinois flight tickets

American Airlines

Nov 5

EAS9:20 amSan Sebastián

12h 50m

1 stop

ORD3:10 pmChicago O'Hare Intl

Nov 9

ORD11:00 amChicago O'Hare Intl

19h 00m

2 stops

EAS1:00 pmSan Sebastián

$990

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

$992

American Airlines

Nov 5

EAS9:20 amSan Sebastián

17h 44m

2 stops

ORD8:04 pmChicago O'Hare Intl

Nov 9

ORD2:30 pmChicago O'Hare Intl

15h 30m

2 stops

EAS1:00 pmSan Sebastián

$996

Iberia flights from San Sebastian to Illinois

Our best Iberia deals on San Sebastian to Illinois flight tickets

Iberia

Nov 5

EAS9:20 amSan Sebastián

12h 35m

1 stop

ORD2:55 pmChicago O'Hare Intl

Nov 9

ORD3:16 pmChicago O'Hare Intl

14h 44m

2 stops

EAS1:00 pmSan Sebastián

$831

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

$850

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

$856

Fly from

Fly to

Route

Depart

Return

Price

Cheapest 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

3:16 pm-1:00 pm

2 stops14h 44m

$831

Quickest round-trip

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

$850

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

$856

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-8:30 pm

2 stops18h 10m

Chicago O'Hare Intl

Mon 11/9

12:06 pm-1:00 pm

2 stops17h 54m

$859

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-8:30 pm

2 stops18h 10m

Chicago O'Hare Intl

Mon 11/9

12:06 pm-1:00 pm

2 stops17h 54m

$862

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

$990

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

$992

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-8:04 pm

2 stops17h 44m

Chicago O'Hare Intl

Mon 11/9

2:30 pm-1:00 pm

2 stops15h 30m

$996

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:20 am-8:04 pm

2 stops17h 44m

Chicago O'Hare Intl

Mon 11/9

2:30 pm-1:00 pm

2 stops15h 30m

$997

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Sun 8/16

5:55 pm-9:25 pm

3 stops34h 30m

Chicago O'Hare Intl

Thu 8/20

7:25 pm-8:20 am

3 stops29h 55m

$1,365

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?

Finnair and Iberia are the most popular carriers 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

Fastest flight time	18h 20m
Direct flights	None

The fastest flight from San Sebastian to Illinois takes 18h 20m

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.