How does KAYAK find such low prices on flights from Illinois to Santander?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Santander. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Santander?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santander from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Santander?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Santander with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Santander?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Santander from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$688 CHEAP FLIGHTS from Illinois to Santander

SDR

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Cheap Flights from Illinois to Santander

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Santander that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Santander

Wed, Dec 3 - Sun, Dec 7

4:45 pm - 5:10 pmORD-SDR

17h 25m1 stop

9:25 am - 8:04 pmSDR-ORD

17h 39m2 stops

$688Iberia

Find Deal

Wed, Dec 3 - Sun, Dec 7

8:05 am - 8:20 amORD-SDR

17h 15m2 stops

9:25 am - 8:04 pmSDR-ORD

17h 39m2 stops

$693Iberia

Find Deal

Fri, Nov 14 - Sat, Nov 22

4:45 pm - 9:00 pmORD-SDR

21h 15m1 stop

9:25 am - 2:30 pmSDR-ORD

12h 05m1 stop

$708Iberia

Find Deal

Wed, Dec 3 - Sun, Dec 7

2:55 pm - 5:10 pmORD-SDR

19h 15m2 stops

9:25 am - 8:04 pmSDR-ORD

17h 39m2 stops

$718Iberia

Find Deal

Fri, Nov 14 - Sat, Nov 22

4:45 pm - 5:10 pmORD-SDR

17h 25m1 stop

9:25 am - 7:36 pmSDR-ORD

17h 11m2 stops

$738Iberia

Find Deal

Fri, Nov 14 - Sat, Nov 22

8:45 pm - 9:00 pmORD-SDR

17h 15m2 stops

9:25 am - 11:40 pmSDR-ORD

21h 15m2 stops

$742

Find Deal

Wed, Dec 3 - Sun, Dec 7

4:45 pm - 5:10 pmORD-SDR

17h 25m1 stop

9:25 am - 2:30 pmSDR-ORD

12h 05m1 stop

$753Iberia

Find Deal

Wed, Dec 3 - Sun, Dec 7

8:05 am - 8:20 amORD-SDR

17h 15m2 stops

9:25 am - 2:30 pmSDR-ORD

12h 05m1 stop

$783Iberia

Find Deal

Fri, Nov 14 - Sat, Nov 22

6:30 pm - 9:25 pmORD-SDR

19h 55m3 stops

9:50 am - 3:00 pmSDR-ORD

36h 10m3 stops

$793

Find Deal

Wed, Dec 3 - Sun, Dec 7

4:45 pm - 5:10 pmORD-SDR

17h 25m1 stop

9:25 am - 2:30 pmSDR-ORD

12h 05m1 stop

$825Iberia

Find Deal

Useful Info

Cheapest flight	$688

Flight from Chicago to Santander

How does KAYAK find such low prices on flights from Illinois to Santander?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Santander.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Santander?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santander from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Santander?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Santander with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Santander?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Santander from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Potes

Everything you need to know for your flight to Santander

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Santander

Santander (SDR)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

SDR

$688 Find Cheap Flights from Illinois to Santander

KAYAK searches hundreds of travel sites at once for deals on flights to Santander

Cheap Flights from Illinois to Santander

Recent round-trip flight deals from Illinois to Santander

Recent one-way flight deals from Illinois to Santander

Recent last minute flight deals from Illinois to Santander

Good to know

FAQs for booking flights from Illinois to Santander

How does KAYAK find such low prices on flights from Illinois to Santander?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Santander.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Santander?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santander from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Santander?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Santander with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Santander?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Santander from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Santander?

Everything you need to know for your flight to Santander

Information on the airport you'll fly into in Santander

Cabin class types available on flights to Illinois

Complete your trip to Santander with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to Santander

Choose which airport to fly into in Santander