$478 Cheap Flights from Santander (SDR) to Chicago (ORD)

View $478 flight on Thu, Sep 3, 2026Opens in a new window

Popular airlines from Santander (SDR) to Chicago O'Hare Intl. Airport (ORD)

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Cheap Flights from Santander to Chicago (SDR-ORD)

Prices were available within the past 7 days and start at $478 for one-way flights and $755 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Mon, Jun 1 - Sat, Aug 1
SDR
Santander
ORD
Chicago
$755 Roundtrip, found 2 days ago
$755
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jun 1 from Santander to Chicago, returning Sat, Aug 1, priced at $755 found 2 days ago
Iberia
Mon, Jun 1 - Sat, Aug 1
SDR
Santander
ORD
Chicago
$761 Roundtrip, found 2 days ago
$761
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jun 1 from Santander to Chicago, returning Sat, Aug 1, priced at $761 found 2 days ago
Iberia
Mon, Jun 1 - Sat, Aug 1
SDR
Santander
ORD
Chicago
$764 Roundtrip, found 2 days ago
$764
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jun 1 from Santander to Chicago, returning Sat, Aug 1, priced at $764 found 2 days ago
Iberia
Mon, Jun 1 - Sat, Aug 1
SDR
Santander
ORD
Chicago
$770 Roundtrip, found 2 days ago
$770
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jun 1 from Santander to Chicago, returning Sat, Aug 1, priced at $770 found 2 days ago
Iberia
Mon, Jun 1 - Sat, Aug 1
SDR
Santander
ORD
Chicago
$771 Roundtrip, found 2 days ago
$771
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jun 1 from Santander to Chicago, returning Sat, Aug 1, priced at $771 found 2 days ago
Iberia
Mon, Jun 1 - Sat, Aug 1
SDR
Santander
ORD
Chicago
$777 Roundtrip, found 2 days ago
$777
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jun 1 from Santander to Chicago, returning Sat, Aug 1, priced at $777 found 2 days ago
Iberia
Mon, Jun 1 - Sat, Aug 1
SDR
Santander
ORD
Chicago
$779 Roundtrip, found 2 days ago
$779
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jun 1 from Santander to Chicago, returning Sat, Aug 1, priced at $779 found 2 days ago
Iberia
Mon, Jun 1 - Sat, Aug 1
SDR
Santander
ORD
Chicago
$786 Roundtrip, found 2 days ago
$786
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jun 1 from Santander to Chicago, returning Sat, Aug 1, priced at $786 found 2 days ago
Iberia
Mon, Jun 1 - Sat, Aug 1
SDR
Santander
ORD
Chicago
$787 Roundtrip, found 2 days ago
$787
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jun 1 from Santander to Chicago, returning Sat, Aug 1, priced at $787 found 2 days ago
Iberia
Mon, Jun 1 - Sat, Aug 1
SDR
Santander
ORD
Chicago
$794 Roundtrip, found 2 days ago
$794
Roundtrip
found 2 days ago
Select Iberia flight, departing Mon, Jun 1 from Santander to Chicago, returning Sat, Aug 1, priced at $794 found 2 days ago

Frequently asked questions

How much does a flight from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights and cheap return flights from $755 SDR to ORD with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SDR to ORD ticket fares go up or down.
What is the cheapest month to fly from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest month to fly from SDR to ORD is June when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.)?
Enter SDR to ORD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.)?
Iberia, Finnair and Vueling Airlines are just some of the carriers that fly from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from SDR to ORD. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.)?
Flying from SDR to ORD with a connection usually takes about 13 hours, traveling roughly 4,075 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.)?
Select the "Business class" and "First class" filters when looking for SDR to ORD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.) Chicago Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Santander (SDR) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Santander
Destination airport
O'Hare Intl.
Roundtrip price
$754
Distance
4074 mi

Book with confidence

Santander to Chicago Flights

The cheapest times to fly from Santander to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Santander to Chicago are during the month of June. You can find some of the cheapest flights from Santander to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Santander to Chicago

Sunday is one of the best days to book for cheap flights from Santander to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Santander to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Santander to Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from $478 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Santander to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Santander to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Santander to Chicago Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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