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.

$480 Cheap Flights from San Sebastian to Illinois in 2026

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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 - 3:44 pm

EAS

ORD

49h 14m

2 stops

6:00 pm - 8:40 am

ORD

EAS

55h 40m

2 stops

$897Iberia

Thu, Jun 11 - Thu, Jun 18

9:30 pm - 3:44 pm

EAS

ORD

49h 14m

2 stops

6:00 pm - 8:40 am

ORD

EAS

55h 40m

2 stops

$952Iberia

Thu, Jun 11 - Thu, Jun 18

9:20 am - 2:25 pm

EAS

ORD

12h 05m

1 stop

4:55 pm - 1:00 pm

ORD

EAS

13h 05m

1 stop

$993Iberia

Thu, Jul 9 - Mon, Aug 3

9:20 am - 8:57 pm

EAS

ORD

18h 37m

2 stops

4:55 pm - 8:50 pm

ORD

EAS

20h 55m

1 stop

$998Iberia

Thu, Jul 9 - Mon, Aug 3

9:30 pm - 2:25 pm

EAS

ORD

23h 55m

1 stop

4:55 pm - 1:00 pm

ORD

EAS

13h 05m

1 stop

$1,030Iberia

Thu, Jun 11 - Thu, Jun 18

9:30 pm - 2:25 pm

EAS

ORD

23h 55m

1 stop

11:00 am - 8:40 am

ORD

EAS

14h 40m

2 stops

$1,037Multiple Airlines

Thu, Jun 11 - Thu, Jun 18

9:30 pm - 2:25 pm

EAS

ORD

23h 55m

1 stop

4:55 pm - 1:00 pm

ORD

EAS

13h 05m

1 stop

$1,047Iberia

Thu, Jun 11 - Thu, Jun 18

9:30 pm - 4:00 pm

EAS

ORD

25h 30m

1 stop

11:00 am - 8:40 am

ORD

EAS

14h 40m

2 stops

$1,065Multiple Airlines

Thu, Jun 11 - Thu, Jun 18

9:20 am - 8:57 pm

EAS

ORD

18h 37m

2 stops

10:51 am - 8:40 am

ORD

EAS

14h 49m

2 stops

$1,074Iberia

Thu, Jul 9 - Mon, Aug 3

9:30 pm - 4:00 pm

EAS

ORD

25h 30m

1 stop

4:55 pm - 8:50 pm

ORD

EAS

20h 55m

1 stop

$1,106Multiple Airlines

Wed, Jul 8 - Tue, Aug 4

American Airlines flights from San Sebastian to Illinois

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

American Airlines

Jul 1

EAS1:40 pmSan Sebastián

33h 20m

1 stop

ORD4:00 pmChicago O'Hare Intl

Jul 9

ORD4:55 pmChicago O'Hare Intl

13h 05m

1 stop

EAS1:00 pmSan Sebastián

$1,162

American Airlines

May 12

EAS9:20 amSan Sebastián

12h 05m

1 stop

ORD2:25 pmChicago O'Hare Intl

May 18

ORD6:05 amChicago O'Hare Intl

19h 35m

2 stops

EAS8:40 amSan Sebastián

$1,215

American Airlines

May 12

EAS9:20 amSan Sebastián

19h 18m

2 stops

ORD9:38 pmChicago O'Hare Intl

May 18

ORD6:05 amChicago O'Hare Intl

19h 35m

2 stops

EAS8:40 amSan Sebastián

$1,220

British Airways flights from San Sebastian to Illinois

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

British Airways

Jul 7

EAS9:30 pmSan Sebastián

25h 30m

1 stop

ORD4:00 pmChicago O'Hare Intl

Jul 31

ORD4:55 pmChicago O'Hare Intl

20h 55m

1 stop

EAS8:50 pmSan Sebastián

$1,214

British Airways

Jul 2

EAS9:30 pmSan Sebastián

28h 59m

2 stops

ORD7:29 pmChicago O'Hare Intl

Jul 8

ORD4:55 pmChicago O'Hare Intl

13h 05m

1 stop

EAS1:00 pmSan Sebastián

$1,246

British Airways

Jul 7

EAS9:30 pmSan Sebastián

25h 30m

1 stop

ORD4:00 pmChicago O'Hare Intl

Aug 2

ORD7:05 pmChicago O'Hare Intl

15h 10m

1 stop

EAS5:15 pmSan Sebastián

$1,248

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 6/11

9:30 pm-3:44 pm

2 stops49h 14m

Chicago O'Hare Intl

Thu 6/18

6:00 pm-8:40 am

2 stops55h 40m

$897

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 6/11

9:30 pm-3:44 pm

2 stops49h 14m

Chicago O'Hare Intl

Thu 6/18

6:00 pm-8:40 am

2 stops55h 40m

$952

Quickest round-trip

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 7/9

9:20 am-2:25 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 8/3

4:55 pm-1:00 pm

1 stop13h 05m

$993

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 7/9

9:20 am-8:57 pm

2 stops18h 37m

Chicago O'Hare Intl

Mon 8/3

4:55 pm-8:50 pm

1 stop20h 55m

$998

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 6/11

9:30 pm-2:25 pm

1 stop23h 55m

Chicago O'Hare Intl

Thu 6/18

4:55 pm-1:00 pm

1 stop13h 05m

$1,030

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 6/11

9:30 pm-2:25 pm

1 stop23h 55m

Chicago O'Hare Intl

Thu 6/18

11:00 am-8:40 am

2 stops14h 40m

$1,037

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 6/11

9:30 pm-2:25 pm

1 stop23h 55m

Chicago O'Hare Intl

Thu 6/18

4:55 pm-1:00 pm

1 stop13h 05m

$1,047

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 6/11

9:30 pm-4:00 pm

1 stop25h 30m

Chicago O'Hare Intl

Thu 6/18

11:00 am-8:40 am

2 stops14h 40m

$1,065

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Thu 7/9

9:20 am-8:57 pm

2 stops18h 37m

Chicago O'Hare Intl

Mon 8/3

10:51 am-8:40 am

2 stops14h 49m

$1,074

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

Wed 7/8

9:30 pm-4:00 pm

1 stop25h 30m

Chicago O'Hare Intl

Tue 8/4

4:55 pm-8:50 pm

1 stop20h 55m

$1,106

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 and British Airways 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	23h 55m
Direct flights	None

The fastest flight from San Sebastian to Illinois takes 23h 55m

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

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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.