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$227+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
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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 January 7, 2026.

Round-trip from

$351
(Ticket)

One-way from

$227
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$491

Good round-trip deal

$596 or less

Good one-way deal

$459 or less
From Illinois to Spain
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One-way flight from Illinois to Spain
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Highest demand for flights based on searches. 29% potential increase in price ($302 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Illinois to Spain.
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Price to beat on a one-way flight from Illinois to Spain.
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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 January 7, 2026.

This Ticket deal was found by Cheapflights users on 1/7. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/196:57 pmSTL - BCN
1 stop30h 43mVirgin Atlantic
Tue 2/310:15 amBCN - STL
2 stops17h 22mVirgin Atlantic
Deal found 1/7$351
This Ticket deal was found by Cheapflights users on 1/7. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/198:05 amSTL - BCN
2 stops18h 30mAir Canada
Tue 2/31:35 pmBCN - STL
2 stops31h 55mAir Canada
Deal found 1/7$381
This CrystalTravel deal was found by Cheapflights users on 1/4. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:15 pmORD - AGP
1 stop18h 05mScandinavian Airlines
Tue 4/289:10 pmAGP - ORD
1 stop26h 00mScandinavian Airlines
Deal found 1/4$390
This Ticket deal was found by Cheapflights users on 1/7. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1911:55 amSTL - BCN
1 stop13h 55mBritish Airways
Tue 2/310:40 amBCN - STL
1 stop15h 49mBritish Airways
Deal found 1/7$391
This KAYAK deal was found by Cheapflights users on 1/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:30 pmORD - BCN
1 stop11h 45mIcelandair
Fri 2/1311:50 amBCN - ORD
1 stop12h 30mIcelandair
Deal found 1/4$391
This oojo deal was found by Cheapflights users on 1/5. 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.
Wed 2/47:10 pmORD - BCN
1 stop11h 35mTAP AIR PORTUGAL
Wed 2/116:45 amBCN - ORD
1 stop15h 15mTAP AIR PORTUGAL
Deal found 1/5$392
This SmartFares deal was found by Cheapflights users on 1/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/157:10 pmORD - BCN
1 stop16h 10mScandinavian Airlines
Tue 2/247:10 pmBCN - ORD
1 stop28h 35mScandinavian Airlines
Deal found 1/6$395
This oojo deal was found by Cheapflights users on 1/5. 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.
Mon 2/237:20 pmORD - AGP
1 stop15h 20mScandinavian Airlines
Fri 3/67:35 pmAGP - ORD
1 stop28h 10mScandinavian Airlines
Deal found 1/5$396
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Wed 4/227:25 pmORD - BCN
1 stop12h 20mIcelandair
Wed 5/63:45 pmBCN - ORD
1 stop12h 40mIcelandair
Deal found 1/6$397
This oojo deal was found by Cheapflights users on 1/6. 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.
Fri 2/67:20 pmORD - AGP
2 stops17h 20mScandinavian Airlines
Sat 2/148:30 pmAGP - ORD
2 stops27h 25mScandinavian Airlines
Deal found 1/6$397
This Mytrip deal was found by Cheapflights users on 1/7. 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.
Mon 2/237:20 pmORD - SVQ
1 stop15h 05mScandinavian Airlines
Sat 2/286:15 pmSVQ - ORD
1 stop29h 30mScandinavian Airlines
Deal found 1/7$399
This Mytrip deal was found by Cheapflights users on 1/5. 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.
Fri 1/238:15 pmORD - BCN
1 stop20h 30mTAP AIR PORTUGAL
Fri 2/66:45 amBCN - ORD
1 stop15h 40mTAP AIR PORTUGAL
Deal found 1/5$399

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 January 7, 2026.
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

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Wed 4/15

6:00 pm-3:00 pm

1 stop14h 00m

Sevilla

Wed 4/29

6:30 am-4:00 pm

1 stop16h 30m

$412

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 1/20

5:52 pm-9:35 am

1 stop32h 43m

Barcelona-El Prat

Tue 1/27

1:35 pm-2:49 pm

2 stops32h 14m

$414

ChicagoMálaga

ORD - AGP

ORDAGP

Chicago O'Hare Intl

Wed 2/4

7:20 pm-5:40 pm

1 stop15h 20m

Malaga

Fri 2/13

7:35 pm-4:45 pm

1 stop28h 10m

$422

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 1/27

2:54 pm-1:40 pm

2 stops15h 46m

Barcelona-El Prat

Tue 2/10

10:40 am-7:29 pm

1 stop15h 49m

$423

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 1/19

1:57 pm-8:00 am

1 stop11h 03m

Barcelona-El Prat

Tue 2/3

10:15 am-9:05 pm

2 stops17h 50m

$427

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Wed 2/18

2:19 pm-11:55 am

2 stops14h 36m

Madrid Barajas

Wed 2/25

10:35 am-9:12 pm

2 stops17h 37m

$432

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 3/16

7:10 am-7:00 am

1 stop17h 50m

Barcelona-El Prat

Wed 4/1

11:35 am-9:10 pm

1 stop16h 35m

$435

ChicagoMálaga

ORD - AGP

ORDAGP

Chicago O'Hare Intl

Sat 2/21

7:20 pm-7:25 pm

1 stop17h 05m

Malaga

Sat 2/28

8:10 pm-4:45 pm

1 stop27h 35m

$435

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/14

7:40 pm-10:35 am

1 stop31h 55m

Barcelona-El Prat

Tue 4/28

10:45 am-7:30 pm

1 stop15h 45m

$437

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 2/8

7:01 am-8:00 am

1 stop17h 59m

Barcelona-El Prat

Tue 2/24

10:55 am-8:44 pm

2 stops16h 49m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 60 results
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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, September is the cheapest month in which you can book a flight from Illinois to Spain (average of $289). Flying from Illinois to Spain in June is currently the most expensive (average of $640). 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 January 7, 2026.

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.

Weekly flight availability from Illinois to Spain

Explore weekly flight availability from Illinois to Spain. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 7, 2026.

The most flights from USIL to ES0 are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

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.

  • How long is the flight from Illinois to Spain?

    TAP AIR PORTUGAL, United Airlines, and Scandinavian Airlines can get you from Illinois to Spain in just under 14h. Your travel time can differ by up to 18h 43m. Illinois and Spain are separated by a distance of 4195 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 TAP AIR PORTUGAL ($170), Scandinavian Airlines ($214), and Icelandair ($225).

  • 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, September is the cheapest month in which you can book a flight from Illinois to Spain (average of $289). Flying from Illinois to Spain in June is currently the most expensive (average of $640). 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

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Alternative routes for Illinois to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$120Average$203FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$288Average$715FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$354Average$719FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$356Average$472FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$633FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$373Average$562FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$401Average$667FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$429Average$800FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$438Average$950FlexibilityNo cancel feeOn-time69%
IberiaCheapest$458Average$921FlexibilityNo cancel feeOn-time77%

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