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$191+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Round-trip from

$373
(FlightHub)

One-way from

$191
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$567

Good round-trip deal

$584 or less

Good one-way deal

$483 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 ($294 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 26, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/25. 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.
Tue 12/210:49 amSTL - BCN
1 stop15h 11mIberia
Tue 12/912:30 pmBCN - STL
1 stop15h 08mIberia
Deal found 11/25$424
This Delta deal was found by Cheapflights users on 11/26. 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 12/37:05 amSTL - BCN
1 stop18h 35mDelta
Fri 12/1210:55 amBCN - STL
1 stop14h 01mDelta
Deal found 11/26$426
This Delta deal was found by Cheapflights users on 11/26. 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 12/39:30 amSTL - BCN
1 stop16h 10mDelta
Thu 12/1110:55 amBCN - STL
1 stop19h 47mDelta
Deal found 11/26$427
This American Airlines deal was found by Cheapflights users on 11/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:48 pmSTL - BCN
2 stops15h 52mAmerican Airlines
Wed 12/1012:30 pmBCN - STL
1 stop15h 08mAmerican Airlines
Deal found 11/26$431
This Delta deal was found by Cheapflights users on 11/25. 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 12/36:05 amSTL - BCN
1 stop18h 55mDelta
Wed 12/1010:55 amBCN - STL
1 stop33h 21mDelta
Deal found 11/25$434
This oojo deal was found by Cheapflights users on 11/25. 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 12/58:15 pmORD - AGP
1 stop10h 55mTAP AIR PORTUGAL
Sat 12/133:00 pmAGP - ORD
1 stop30h 45mTAP AIR PORTUGAL
Deal found 11/25$452
This Delta deal was found by Cheapflights users on 11/26. 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 12/36:39 amSTL - BCN
2 stops18h 21mDelta
Tue 12/96:00 amBCN - STL
2 stops22h 57mDelta
Deal found 11/26$453
This Air France deal was found by Cheapflights users on 11/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:40 amSTL - BCN
1 stop14h 00mAir France
Tue 12/96:00 amBCN - STL
2 stops19h 33mAir France
Deal found 11/26$454
This oojo deal was found by Cheapflights users on 11/24. 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 11/308:25 pmORD - AGP
1 stop10h 45mTAP AIR PORTUGAL
Sat 12/63:00 pmAGP - ORD
1 stop30h 45mTAP AIR PORTUGAL
Deal found 11/24$454
This oojo deal was found by Cheapflights users on 11/25. 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 12/319:45 pmORD - AGP
1 stop30h 10mBritish Airways
Tue 1/1312:40 pmAGP - ORD
1 stop32h 10mBritish Airways
Deal found 11/25$456
This FlightHub deal was found by Cheapflights users on 11/23. 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 12/317:10 pmORD - MAD
1 stop21h 20mTAP AIR PORTUGAL
Tue 3/39:10 pmMAD - ORD
1 stop24h 50mTAP AIR PORTUGAL
Deal found 11/23$459
This Booking.com deal was found by Cheapflights users on 11/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:15 pmORD - MAD
2 stops28h 45mMultiple Airlines
Tue 12/96:00 amMAD - ORD
1 stop14h 10mMultiple Airlines
Deal found 11/24$460

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 November 26, 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

Thu 1/22

10:40 am-9:55 am

2 stops40h 15m

Malaga

Fri 1/30

7:35 pm-4:45 pm

1 stop28h 10m

$413

ChicagoMálaga

ORD - AGP

ORDAGP

Chicago O'Hare Intl

Thu 1/22

7:01 am-9:55 am

2 stops43h 54m

Malaga

Sat 1/31

2:35 pm-4:55 pm

2 stops33h 20m

$417

ChicagoMálaga

ORD - AGP

ORDAGP

Chicago O'Hare Intl

Thu 1/22

10:40 am-9:55 am

2 stops40h 15m

Malaga

Sun 2/1

11:25 am-4:45 pm

2 stops36h 20m

$420

ChicagoMálaga

ORD - AGP

ORDAGP

Chicago O'Hare Intl

Mon 1/26

6:25 pm-5:40 pm

2 stops40h 15m

Malaga

Sat 1/31

8:10 pm-4:55 pm

1 stop27h 45m

$424

ChicagoMálaga

ORD - AGP

ORDAGP

Chicago O'Hare Intl

Sun 1/25

6:25 pm-5:40 pm

2 stops40h 15m

Malaga

Sat 1/31

8:10 pm-4:55 pm

1 stop27h 45m

$424

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 1/12

3:35 pm-9:35 am

1 stop11h 00m

Barcelona-El Prat

Tue 1/20

1:35 pm-2:25 pm

2 stops31h 50m

$464

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 12/10

8:45 am-8:20 am

1 stop16h 35m

Barcelona-El Prat

Tue 12/16

1:35 pm-2:25 pm

2 stops31h 50m

$469

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Sun 2/1

5:40 pm-8:50 am

Nonstop8h 10m

Madrid Barajas

Sun 2/8

12:00 pm-2:55 pm

Nonstop9h 55m

$475

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 1/11

3:50 pm-1:00 pm

1 stop14h 10m

Barcelona-El Prat

Tue 1/27

1:35 pm-12:29 pm

2 stops29h 54m

$475

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 2/6

9:57 am-4:20 pm

2 stops23h 23m

Barcelona-El Prat

Tue 2/10

1:35 pm-2:30 pm

2 stops31h 55m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

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 $290). Flying from Illinois to Spain in June is currently the most expensive (average of $641). 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 November 26, 2025.

It’s optimal to fly from Illinois to Spain in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Illinois to Spain?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Spain. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Spain flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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?

    Scandinavian Airlines, United Airlines, and Finnair can get you from Illinois to Spain in just under 8h 10m. Your travel time can differ by up to 32h 05m. Illinois and Spain are separated by a distance of 4188 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 British Airways ($249), American Airlines ($252), and TAP AIR PORTUGAL ($287).

  • 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 $290). Flying from Illinois to Spain in June is currently the most expensive (average of $641). 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

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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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$120Average$203FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$288Average$719FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$354Average$722FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$366Average$504FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$646FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$373Average$547FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$401Average$665FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$434Average$857FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$435Average$787FlexibilityNo cancel feeOn-time70%
IberiaCheapest$461Average$923FlexibilityNo cancel feeOn-time77%

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