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.

$720 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.

9:30 pm - 3:10 pm

EAS

ORD

24h 40m

1 stop

3:08 pm - 1:00 pm

ORD

EAS

14h 52m

2 stops

$818Iberia

Thu, Nov 5 - Mon, Nov 9

9:30 pm - 3:10 pm

EAS

ORD

24h 40m

1 stop

9:45 pm - 1:00 pm

ORD

EAS

32h 15m

2 stops

$819Iberia

Thu, Nov 5 - Mon, Nov 9

9:30 pm - 10:52 pm

EAS

ORD

32h 22m

2 stops

9:45 pm - 1:00 pm

ORD

EAS

32h 15m

2 stops

$824Iberia

Thu, Nov 5 - Mon, Nov 9

9:30 pm - 3:10 pm

EAS

ORD

24h 40m

1 stop

6:00 pm - 8:40 am

ORD

EAS

31h 40m

1 stop

$827Iberia

Thu, Nov 5 - Mon, Nov 9

9:30 pm - 7:15 pm

EAS

ORD

28h 45m

2 stops

3:08 pm - 1:00 pm

ORD

EAS

14h 52m

2 stops

$857Iberia

Thu, Nov 5 - Mon, Nov 9

1:40 pm - 7:15 am

EAS

ORD

24h 35m

2 stops

4:05 pm - 8:50 pm

ORD

EAS

21h 45m

2 stops

$926Multiple Airlines

Tue, Jul 28 - Tue, Aug 4

9:30 pm - 3:53 pm

EAS

ORD

25h 23m

2 stops

4:55 pm - 8:50 pm

ORD

EAS

20h 55m

1 stop

$940British Airways

Tue, Jul 7 - Fri, Jul 24

9:30 pm - 2:25 pm

EAS

ORD

23h 55m

1 stop

10:30 pm - 8:50 pm

ORD

EAS

15h 20m

1 stop

$946Iberia

Tue, Jul 7 - Fri, Jul 24

9:30 pm - 3:10 pm

EAS

ORD

24h 40m

1 stop

5:40 pm - 8:50 pm

ORD

EAS

20h 10m

1 stop

$956British Airways

Thu, Nov 5 - Mon, Nov 9

1:40 pm - 12:03 pm

EAS

ORD

29h 23m

2 stops

5:40 pm - 1:00 pm

ORD

EAS

12h 20m

1 stop

$957American Airlines

Thu, Nov 5 - Mon, Nov 9

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Iberia flights from San Sebastian to Illinois

Our best Iberia deals on San Sebastian to Illinois flight tickets

Iberia

Nov 5

EAS9:30 pmSan Sebastián

24h 40m

1 stop

ORD3:10 pmChicago O'Hare Intl

Nov 9

ORD3:08 pmChicago O'Hare Intl

14h 52m

2 stops

EAS1:00 pmSan Sebastián

$818

Iberia

Nov 5

EAS9:30 pmSan Sebastián

24h 40m

1 stop

ORD3:10 pmChicago O'Hare Intl

Nov 9

ORD9:45 pmChicago O'Hare Intl

32h 15m

2 stops

EAS1:00 pmSan Sebastián

$819

Iberia

Nov 5

EAS9:30 pmSan Sebastián

32h 22m

2 stops

ORD10:52 pmChicago O'Hare Intl

Nov 9

ORD9:45 pmChicago O'Hare Intl

32h 15m

2 stops

EAS1:00 pmSan Sebastián

$824

British Airways flights from San Sebastian to Illinois

Our best British Airways deals on San Sebastian to Illinois flight tickets

British Airways

Nov 5

EAS9:30 pmSan Sebastián

24h 40m

1 stop

ORD3:10 pmChicago O'Hare Intl

Nov 9

ORD5:40 pmChicago O'Hare Intl

20h 10m

1 stop

EAS8:50 pmSan Sebastián

$956

British Airways

Jul 7

EAS9:30 pmSan Sebastián

25h 23m

2 stops

ORD3:53 pmChicago O'Hare Intl

Jul 21

ORD4:55 pmChicago O'Hare Intl

20h 55m

1 stop

EAS8:50 pmSan Sebastián

$1,098

British Airways

Jul 7

EAS9:30 pmSan Sebastián

25h 30m

1 stop

ORD4:00 pmChicago O'Hare Intl

Jul 21

ORD4:55 pmChicago O'Hare Intl

20h 55m

1 stop

EAS8:50 pmSan Sebastián

$1,103

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:30 pm-3:10 pm

1 stop24h 40m

Chicago O'Hare Intl

Mon 11/9

3:08 pm-1:00 pm

2 stops14h 52m

$818

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:30 pm-3:10 pm

1 stop24h 40m

Chicago O'Hare Intl

Mon 11/9

9:45 pm-1:00 pm

2 stops32h 15m

$819

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:30 pm-10:52 pm

2 stops32h 22m

Chicago O'Hare Intl

Mon 11/9

9:45 pm-1:00 pm

2 stops32h 15m

$824

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:30 pm-3:10 pm

1 stop24h 40m

Chicago O'Hare Intl

Mon 11/9

6:00 pm-8:40 am

1 stop31h 40m

$827

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:30 pm-7:15 pm

2 stops28h 45m

Chicago O'Hare Intl

Mon 11/9

3:08 pm-1:00 pm

2 stops14h 52m

$857

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Tue 7/28

1:40 pm-7:15 am

2 stops24h 35m

Chicago O'Hare Intl

Tue 8/4

4:05 pm-8:50 pm

2 stops21h 45m

$926

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Tue 7/7

9:30 pm-3:53 pm

2 stops25h 23m

Chicago O'Hare Intl

Fri 7/24

4:55 pm-8:50 pm

1 stop20h 55m

$940

Quickest round-trip

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Tue 7/7

9:30 pm-2:25 pm

1 stop23h 55m

Chicago O'Hare Intl

Fri 7/24

10:30 pm-8:50 pm

1 stop15h 20m

$946

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

9:30 pm-3:10 pm

1 stop24h 40m

Chicago O'Hare Intl

Mon 11/9

5:40 pm-8:50 pm

1 stop20h 10m

$956

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 11/5

1:40 pm-12:03 pm

2 stops29h 23m

Chicago O'Hare Intl

Mon 11/9

5:40 pm-1:00 pm

1 stop12h 20m

$957

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

British Airways 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

Fastest flight time	19h 30m
Direct flights	None

The fastest flight from San Sebastian to Illinois takes 19h 30m

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.