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Santander

$762+ Cheap flights from Illinois to Santander (SDR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDR
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from Illinois to Santander

Keep the following information in mind while searching for Illinois to Santander flight deals. Data was last updated August 21, 2025.

Round-trip from

$762
(Expedia)
From Illinois to Santander
Search Deals

Find flight deals from Illinois to Santander

Cheapest flights from Illinois to Santander
Explore the most affordable flight options available from Illinois to Santander. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This Expedia deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/54:30 pmORD - SDR
1 stop17h 35mIberia
Sun 10/129:35 pmSDR - ORD
1 stop23h 40mIberia
Deal found 8/21$762
This Mytrip deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:15 pmORD - SDR
3 stops31h 20mMultiple Airlines
Sat 10/112:05 pmSDR - ORD
3 stops33h 05mMultiple Airlines
Deal found 8/20$840
This Expedia deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:34 pmORD - SDR
2 stops37h 31mIberia
Sat 10/119:35 pmSDR - ORD
1 stop28h 15mIberia
Deal found 8/20$841
This Vueling Global deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/54:30 pmORD - SDR
2 stops18h 05mMultiple Airlines
Sun 10/126:35 pmSDR - ORD
2 stops26h 40mMultiple Airlines
Deal found 8/21$876
This Iberia deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:45 pmORD - SDR
1 stop17h 25mIberia
Sun 12/79:25 amSDR - ORD
1 stop12h 05mIberia
Deal found 8/20$886

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Illinois to Santander that are best for you.

Fly from

Illinois

Fly to

Santander

Route

Depart

Return

Price

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Sun 10/5

4:30 pm-5:05 pm

1 stop17h 35m

Santander

Sun 10/12

9:35 pm-2:15 pm

1 stop23h 40m

$762

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Sat 10/4

6:15 pm-8:35 am

3 stops31h 20m

Santander

Sat 10/11

2:05 pm-4:10 pm

3 stops33h 05m

$840

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Sat 10/4

8:34 pm-5:05 pm

2 stops37h 31m

Santander

Sat 10/11

9:35 pm-6:50 pm

1 stop28h 15m

$841

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Sun 10/5

4:30 pm-5:35 pm

2 stops18h 05m

Santander

Sun 10/12

6:35 pm-2:15 pm

2 stops26h 40m

$876

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Wed 12/3

4:45 pm-5:10 pm

1 stop17h 25m

Santander

Sun 12/7

9:25 am-2:30 pm

1 stop12h 05m

$886

ChicagoSantander

ORD - SDR

ORDSDR

Chicago O'Hare Intl

Fri 9/19

11:46 am-8:45 am

2 stops13h 59m

$3,071

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Best time to book a flight from Illinois to Santander

Have a flexible travel schedule? Discover the best time to fly to Santander from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Santander
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Santander. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Santander from Illinois?

    Located just 2.5 mi from the city center, Santander (SDR) is the airport most travelers will use when flying to Santander from Illinois.

  • How long is the flight from Illinois to Santander?

    Departing from Illinois to Santander will take you 17h 35m. Illinois and Santander are separated by a distance of 4072 mi.

  • Can I find deals for flights from Illinois to Santander that include hotel bookings?

    Yes. In addition to deals on Illinois to Santander flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Santander?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Santander.

  • Can I find deals for business class flights from Illinois to Santander?

    Yes. Cheapflights offers flight deals from Illinois to Santander by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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