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Cheap flights from Illinois to Santander from $803

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Santander departing on 12/6. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Santander

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
5:40 pm - 5:00 pm
ORD
-
SDR
16h 20m
1 stop
Iberia Logo
6:30 am - 2:55 pm
SDR
-
ORD
15h 25m
1 stop
$803Iberia
Sun, Dec 6 - Fri, Dec 11
Multiple Airlines Logo
6:00 pm - 6:10 pm
ORD
-
SDR
17h 10m
2 stops
Multiple Airlines Logo
2:40 pm - 12:40 pm
SDR
-
ORD
29h 00m
2 stops
$834Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
Iberia Logo
4:55 pm - 5:00 pm
ORD
-
SDR
17h 05m
1 stop
Iberia Logo
6:30 am - 3:05 pm
SDR
-
ORD
39h 35m
2 stops
$898Iberia
Wed, Aug 12 - Wed, Aug 19
Iberia Logo
4:55 pm - 5:00 pm
ORD
-
SDR
17h 05m
1 stop
Iberia Logo
6:30 am - 2:25 pm
SDR
-
ORD
14h 55m
1 stop
$963Iberia
Thu, Aug 20 - Wed, Sep 2
Iberia Logo
4:55 pm - 5:00 pm
ORD
-
SDR
17h 05m
1 stop
Iberia Logo
6:30 am - 2:25 pm
SDR
-
ORD
14h 55m
1 stop
$964Iberia
Thu, Aug 20 - Wed, Sep 2
British Airways Logo
4:55 pm - 5:00 pm
ORD
-
SDR
17h 05m
1 stop
British Airways Logo
5:40 pm - 2:25 pm
SDR
-
ORD
27h 45m
1 stop
$965British Airways
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
7:25 pm - 9:50 am
ORD
-
SDR
31h 25m
3 stops
Multiple Airlines Logo
2:40 pm - 12:40 pm
SDR
-
ORD
29h 00m
2 stops
$970Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
British Airways Logo
5:59 pm - 9:30 pm
ORD
-
SDR
44h 31m
2 stops
British Airways Logo
5:40 pm - 2:25 pm
SDR
-
ORD
27h 45m
1 stop
$971British Airways
Sun, Aug 16 - Sun, Aug 23
Iberia Logo
11:30 am - 9:30 am
ORD
-
SDR
15h 00m
2 stops
Iberia Logo
6:30 am - 9:16 pm
SDR
-
ORD
21h 46m
2 stops
$972Iberia
Thu, Aug 20 - Wed, Sep 2
Iberia Logo
11:30 am - 9:30 am
ORD
-
SDR
15h 00m
2 stops
Iberia Logo
6:30 am - 9:16 pm
SDR
-
ORD
21h 46m
2 stops
$974Iberia
Thu, Aug 20 - Wed, Sep 2

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British Airways flights from Illinois to Santander

Our best British Airways deals on Illinois to Santander flight tickets
British Airways
Aug 16
ORD4:55 pmChicago O'Hare Intl
17h 05m
1 stop
SDR5:00 pmSantander
Aug 23
SDR5:40 pmSantander
27h 45m
1 stop
ORD2:25 pmChicago O'Hare Intl
$965
British Airways
Aug 16
ORD5:59 pmChicago O'Hare Intl
44h 31m
2 stops
SDR9:30 pmSantander
Aug 23
SDR5:40 pmSantander
27h 45m
1 stop
ORD2:25 pmChicago O'Hare Intl
$971
British Airways
Dec 6
ORD5:40 pmChicago O'Hare Intl
16h 20m
1 stop
SDR5:00 pmSantander
Dec 10
SDR6:30 amSantander
15h 25m
1 stop
ORD2:55 pmChicago O'Hare Intl
$999

Iberia flights from Illinois to Santander

Our best Iberia deals on Illinois to Santander flight tickets
Iberia
Dec 6
ORD5:40 pmChicago O'Hare Intl
16h 20m
1 stop
SDR5:00 pmSantander
Dec 11
SDR6:30 amSantander
15h 25m
1 stop
ORD2:55 pmChicago O'Hare Intl
$803
Iberia
Aug 12
ORD4:55 pmChicago O'Hare Intl
17h 05m
1 stop
SDR5:00 pmSantander
Aug 19
SDR6:30 amSantander
39h 35m
2 stops
ORD3:05 pmChicago O'Hare Intl
$898
Iberia
Aug 20
ORD4:55 pmChicago O'Hare Intl
17h 05m
1 stop
SDR5:00 pmSantander
Sep 2
SDR6:30 amSantander
14h 55m
1 stop
ORD2:25 pmChicago O'Hare Intl
$963

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Santander 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 July 2, 2026.
Use the filters below to find and compare flights from Illinois to Santander that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Sun 12/6

5:40 pm-5:00 pm

1 stop16h 20m

Santander

Fri 12/11

6:30 am-2:55 pm

1 stop15h 25m

$803

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Wed 8/12

6:00 pm-6:10 pm

2 stops17h 10m

Santander

Wed 8/19

2:40 pm-12:40 pm

2 stops29h 00m

$834

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Wed 8/12

4:55 pm-5:00 pm

1 stop17h 05m

Santander

Wed 8/19

6:30 am-3:05 pm

2 stops39h 35m

$898

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Thu 8/20

4:55 pm-5:00 pm

1 stop17h 05m

Santander

Wed 9/2

6:30 am-2:25 pm

1 stop14h 55m

$963

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Thu 8/20

4:55 pm-5:00 pm

1 stop17h 05m

Santander

Wed 9/2

6:30 am-2:25 pm

1 stop14h 55m

$964

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Sun 8/16

4:55 pm-5:00 pm

1 stop17h 05m

Santander

Sun 8/23

5:40 pm-2:25 pm

1 stop27h 45m

$965

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Wed 8/12

7:25 pm-9:50 am

3 stops31h 25m

Santander

Wed 8/19

2:40 pm-12:40 pm

2 stops29h 00m

$970

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Sun 8/16

5:59 pm-9:30 pm

2 stops44h 31m

Santander

Sun 8/23

5:40 pm-2:25 pm

1 stop27h 45m

$971

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Thu 8/20

11:30 am-9:30 am

2 stops15h 00m

Santander

Wed 9/2

6:30 am-9:16 pm

2 stops21h 46m

$972

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Thu 8/20

11:30 am-9:30 am

2 stops15h 00m

Santander

Wed 9/2

6:30 am-9:16 pm

2 stops21h 46m

$974

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
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See travel insights to Santander from

How to get the cheapest flight ticket from Illinois to Santander

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 Illinois to Santander?

Iberia and British Airways are the most popular carriers operating from Illinois to Santander

Cheap Illinois to Santander flight deals and tips

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

Fastest flight time

20h 20m

Direct flights

None
The fastest flight from Illinois to Santander takes 20h 20m
There are no direct flights from Illinois to Santander. There are no popular flight routes from Illinois to Santander.
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Frequently asked questions about flying from Illinois to Santander

  • When did momondo last update prices for flights from Illinois to Santander Airport?

    Prices for flights from Illinois to Santander Airport were last updated today.

  • How old do you have to be to fly from Illinois to Santander 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 Illinois to Santander Airport.

  • What documentation or ID do you need to fly to Santander Airport?

    The required travel and health documents for your Santander Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santander Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Santander?

Book flights to Santander if you plan to visit one of these locations
Llanes
Potes

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Santander for you.

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

Yes. momondo allows you to filter the results for Illinois to Santander flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Santander?

Once you have performed a search for Illinois to Santander flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to Santander right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Santander now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santander and let you know when they change.

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Fly your favorite airline to Santander

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Lufthansa
United Airlines