HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Spain

$320+ Cheap flights from Illinois to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Spain with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Spain

Keep the following information in mind while searching for Illinois to Spain flight deals. Data was last updated March 31, 2025.

Round-trip from

$517
(FlightHub)

One-way from

$320
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$623

Good round-trip deal

$747 or less

Good one-way deal

$559 or less
From Illinois to Spain
Search Deals
One-way flight from Illinois to Spain
Search Deals
Highest demand for flights based on searches. 31% potential increase in price ($343 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Spain.
Search Deals
Price to beat on a one-way flight from Illinois to Spain.
Search Deals

Find flight deals from Illinois to Spain

Cheapest flights from Illinois to Spain
Explore the most affordable flight options available from Illinois to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:35 pmORD - AGP
1 stop14h 20mSWISS
Tue 4/86:40 amAGP - ORD
1 stop16h 15mSWISS
Deal found 3/30$501
This oojo deal was found by Cheapflights users on 3/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/247:15 pmORD - AGP
2 stops17h 05mScandinavian Airlines
Sun 8/318:15 pmAGP - ORD
1 stop26h 55mScandinavian Airlines
Deal found 3/30$506
This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:00 pmORD - MAD
1 stop23h 20mTAP AIR PORTUGAL
Tue 10/1410:15 pmMAD - ORD
1 stop24h 55mTAP AIR PORTUGAL
Deal found 3/30$513
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Tue 4/111:30 amORD - AGP
2 stops17h 55mMultiple Airlines
Tue 4/86:40 amAGP - ORD
1 stop16h 15mMultiple Airlines
Deal found 3/30$515
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:15 amORD - MAD
1 stop13h 50mUnited Airlines
Fri 11/2112:15 pmMAD - ORD
1 stop15h 10mUnited Airlines
Deal found 3/31$516
This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/177:15 pmORD - MAD
1 stop33h 55mScandinavian Airlines
Mon 8/2512:55 pmMAD - ORD
1 stop34h 15mScandinavian Airlines
Deal found 3/30$517
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:05 pmORD - MAD
1 stop16h 40mSWISS
Mon 12/17:35 pmMAD - ORD
1 stop27h 40mSWISS
Deal found 3/30$522
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:35 pmORD - MAD
1 stop11h 05mMultiple Airlines
Mon 12/17:35 pmMAD - ORD
1 stop27h 40mMultiple Airlines
Deal found 3/30$523
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:00 amMDW - MAD
1 stop20h 00mDelta
Tue 11/1811:00 amMAD - MDW
1 stop13h 58mDelta
Deal found 3/31$526
This Gurufare deal was found by Cheapflights users on 3/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:35 pmORD - MAD
1 stop14h 10mBritish Airways
Tue 11/1111:35 amMAD - ORD
Nonstop9h 55mBritish Airways
Deal found 3/31$537
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:45 pmORD - MAD
Nonstop8h 10mIberia
Tue 11/1811:35 amMAD - ORD
Nonstop9h 55mIberia
Deal found 3/30$539
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/312:30 pmORD - AGP
2 stops21h 30mDelta
Mon 4/75:20 pmAGP - ORD
1 stop28h 20mDelta
Deal found 3/30$541

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Spain 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 March 31, 2025.
Use the filters below to find and compare flights from Illinois to Spain that are best for you.

Fly from

Illinois

Fly to

Spain

Route

Depart

Return

Price

ChicagoMálaga

ORD - AGP

ORDAGP

Chicago O'Hare Intl

Tue 5/6

1:50 pm-11:40 am

2 stops38h 50m

Malaga

Sun 5/18

8:15 pm-4:10 pm

1 stop26h 55m

$539

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sat 4/19

6:15 pm-1:30 am

1 stop24h 15m

Barcelona-El Prat

Wed 4/30

6:00 am-4:10 pm

1 stop17h 10m

$547

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 4/23

7:20 am-2:55 pm

2 stops24h 35m

Barcelona-El Prat

Tue 5/6

12:15 pm-10:06 pm

2 stops16h 51m

$550

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sat 5/10

7:15 pm-6:10 pm

1 stop15h 55m

Barcelona-El Prat

Sat 5/17

7:00 pm-4:10 pm

1 stop28h 10m

$551

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 4/21

6:45 pm-10:30 am

Nonstop8h 45m

Barcelona-El Prat

Tue 5/6

10:45 am-1:30 pm

Nonstop9h 45m

$566

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 4/29

5:55 am-3:10 pm

2 stops26h 15m

Barcelona-El Prat

Fri 5/2

6:00 am-4:10 pm

1 stop17h 10m

$567

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Sun 5/4

5:55 am-11:20 am

2 stops46h 25m

Madrid Barajas

Thu 5/22

10:20 pm-4:10 pm

1 stop24h 50m

$569

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 5/5

7:00 pm-10:30 am

Nonstop8h 30m

Barcelona-El Prat

Thu 5/15

10:45 am-1:30 pm

Nonstop9h 45m

$575

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Mon 5/5

12:48 pm-9:20 am

1 stop13h 32m

Barcelona-El Prat

Thu 5/15

9:30 am-9:28 pm

1 stop18h 58m

$577

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 5/4

5:55 pm-8:20 am

1 stop31h 25m

Barcelona-El Prat

Fri 5/16

12:15 pm-9:52 am

1 stop28h 37m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain 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 Spain

What is the cheapest month to book a flight from Illinois to Spain?

Currently, November is the cheapest month in which you can book a flight from Illinois to Spain (average of $543). Flying from Illinois to Spain in June is currently the most expensive (average of $1,107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to ES?

Find hourly flight availability from Illinois to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Spain as you normally would.

Rainfall in Spain by month

Plan your trip to Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

Plan your trip to Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated March 31, 2025.
Peruse reviews from past customers who have flown with Asiana Airlines, Delta and KLM from Illinois to Spain to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very good
440 reviews

Food

8.0

Entertainment

7.7

Overall

8.2

Boarding

8.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Asiana Airlines
8.2
Very good
440 reviews
Asiana Airlines
8.2
Very good
440 reviews

Food

8.0

Entertainment

7.7

Overall

8.2

Boarding

8.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Delta
8.0
Very good
7,899 reviews
Asiana Airlines
8.2
Very good
440 reviews

Food

8.0

Entertainment

7.7

Overall

8.2

Boarding

8.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
KLM
7.8
Good
1,321 reviews
Asiana Airlines
8.2
Very good
440 reviews

Food

8.0

Entertainment

7.7

Overall

8.2

Boarding

8.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Air Transat
7.8
Good
381 reviews
Asiana Airlines
8.2
Very good
440 reviews

Food

8.0

Entertainment

7.7

Overall

8.2

Boarding

8.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Finnair
7.6
Good
1,267 reviews
Asiana Airlines
8.2
Very good
440 reviews

Food

8.0

Entertainment

7.7

Overall

8.2

Boarding

8.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Related info for your journey

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

  • What are the cheapest airlines to fly from Illinois to Spain one-way?

    The cheapest airlines for a one-way flight from Illinois to Spain are Aer Lingus ($354), Icelandair ($371), and TAP AIR PORTUGAL ($373).

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Illinois to Spain?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Spain (average of $543). Flying from Illinois to Spain in June is currently the most expensive (average of $1,107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Spain

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Athens flights
John F Kennedy Intl to Barcelona-El Prat flights
Los Angeles to Heathrow flights
John F Kennedy Intl to Athens flights
John F Kennedy Intl to London City flights
LaGuardia to Heathrow flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Orly flights
Newark to Gatwick flights
John F Kennedy Intl to Istanbul flights
Newark to Lisbon flights
Newark to Orly flights
Newark to Barcelona-El Prat flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Madrid flights
LaGuardia to Charles de Gaulle flights
San Francisco to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Malpensa flights
Seattle to Heathrow flights
O'Hare Intl to Athens flights
John F Kennedy Intl to Dublin flights
O'Hare Intl to Charles de Gaulle flights
Dulles Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
Boston to Charles de Gaulle flights
Dallas/Fort Worth to Heathrow flights
Newark to Malpensa flights
Newark to Dublin flights
Newark to London City flights
Miami to Madrid flights
Newark to Madrid flights
Stewart to Charles de Gaulle flights
Boston to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Frederic Chopin flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Newark to Frankfurt flights
San Francisco to Charles de Gaulle flights
Stewart to Stansted flights
Boston to Dublin flights

Top 10 airlines flying from Illinois to Spain

Discover the top 10 airlines that operate flights from Illinois to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$226Average$804FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$342Average$747FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$349Average$424FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$384Average$615FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$443Average$915FlexibilityNo cancel feeOn-time69%
FinnairCheapest$449Average$736FlexibilityNo cancel feeOn-time76%
IberiaCheapest$461Average$939FlexibilityNo cancel feeOn-time77%
DeltaCheapest$465Average$869FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$470Average$756FlexibilityNo cancel feeOn-time67%
KLMCheapest$477Average$824FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.