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$218+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
dic. 19 — dic. 261
vie. 12/19
vie. 12/26
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 noviembre 19, 2025.

Round-trip from

$374
(FlightHub)

One-way from

$218
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$567

Good round-trip deal

$557 or less

Good one-way deal

$394 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 ($296 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 noviembre 19, 2025.

This lol.travel deal was found by Cheapflights users on 11/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/288:15 pmORD - SVQ
1 stop20h 30mTAP AIR PORTUGAL
vie. 12/126:30 amSVQ - ORD
1 stop15h 55mTAP AIR PORTUGAL
Deal found 11/19$433
This Delta deal was found by Cheapflights users on 11/16. 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.
lun. 12/17:05 amSTL - BCN
1 stop18h 35mDelta
vie. 1/3010:55 amBCN - STL
1 stop19h 42mDelta
Deal found 11/16$434
This Delta deal was found by Cheapflights users on 11/16. 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.
mar. 12/25:12 pmSTL - BCN
1 stop32h 28mDelta
jue. 1/2910:15 amBCN - STL
2 stops17h 28mDelta
Deal found 11/16$438
This Gurufare deal was found by Cheapflights users on 11/18. 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.
mié. 12/319:45 pmORD - MAD
1 stop16h 05mBritish Airways
mar. 2/312:00 pmMAD - ORD
Nonstop9h 55mBritish Airways
Deal found 11/18$450
This FlightHub deal was found by Cheapflights users on 11/17. 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.
vie. 12/58:15 pmORD - MAD
1 stop17h 05mTAP AIR PORTUGAL
vie. 12/127:40 amMAD - ORD
1 stop14h 45mTAP AIR PORTUGAL
Deal found 11/17$451
This Mytrip deal was found by Cheapflights users on 11/18. 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.
mié. 12/106:30 pmORD - PMI
2 stops16h 00mMultiple Airlines
mar. 12/166:45 amPMI - ORD
2 stops17h 35mMultiple Airlines
Deal found 11/18$451
This Mytrip deal was found by Cheapflights users on 11/17. 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.
lun. 12/18:15 pmORD - MAD
2 stops28h 45mAir Canada
mar. 12/96:25 amMAD - ORD
2 stops15h 30mAir Canada
Deal found 11/17$453
This Mytrip deal was found by Cheapflights users on 11/18. 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.
mar. 12/27:05 amORD - MAD
1 stop17h 55mMultiple Airlines
mar. 12/96:00 amMAD - ORD
2 stops15h 55mMultiple Airlines
Deal found 11/18$454
This Mytrip deal was found by Cheapflights users on 11/19. 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.
lun. 12/17:05 amORD - MAD
2 stops21h 40mMultiple Airlines
mié. 12/106:25 amMAD - ORD
2 stops15h 30mMultiple Airlines
Deal found 11/19$455
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
mié. 11/265:55 pmORD - MAD
1 stop19h 00mMultiple Airlines
mar. 12/26:35 pmMAD - ORD
1 stop26h 35mMultiple Airlines
Deal found 11/19$457
This Mytrip deal was found by Cheapflights users on 11/17. 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.
mar. 11/187:05 amORD - MAD
2 stops19h 15mMultiple Airlines
mar. 11/256:25 amMAD - ORD
2 stops20h 35mMultiple Airlines
Deal found 11/17$458
This Mytrip deal was found by Cheapflights users on 11/17. 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.
mar. 12/26:30 pmORD - BCN
2 stops20h 00mMultiple Airlines
mar. 12/95:45 amBCN - ORD
2 stops18h 35mMultiple Airlines
Deal found 11/17$458

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 noviembre 19, 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

ChicagoPalma de Mallorca

ORD - PMI

ORDPMI

Chicago O'Hare Intl

lun. 2/2

7:05 am-9:05 am

2 stops43h 00m

Palma de Mallorca Son Sant Joan

jue. 2/12

10:40 am-4:45 pm

2 stops37h 05m

$385

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

lun. 12/1

7:05 am-8:40 am

1 stop18h 35m

Barcelona-El Prat

vie. 1/30

10:55 am-11:37 pm

1 stop19h 42m

$434

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mié. 12/3

6:00 am-8:40 am

1 stop19h 40m

Barcelona-El Prat

vie. 1/30

10:55 am-3:56 pm

1 stop36h 01m

$434

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mar. 12/2

11:40 am-8:40 am

1 stop14h 00m

Barcelona-El Prat

vie. 1/30

10:55 am-8:37 pm

1 stop16h 42m

$434

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mié. 11/26

6:40 am-8:00 am

2 stops18h 20m

Barcelona-El Prat

jue. 12/4

10:55 am-11:42 pm

1 stop19h 47m

$438

ChicagoPalma de Mallorca

ORD - PMI

ORDPMI

Chicago O'Hare Intl

mié. 12/10

6:30 pm-5:30 pm

2 stops16h 00m

Palma de Mallorca Son Sant Joan

mar. 12/16

6:45 am-5:20 pm

2 stops17h 35m

$451

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mié. 2/18

12:50 pm-8:00 am

1 stop12h 10m

Madrid Barajas

mié. 3/18

12:35 pm-2:27 pm

2 stops31h 52m

$461

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

dom. 2/1

6:40 pm-9:35 am

2 stops31h 55m

Barcelona-El Prat

mar. 2/17

1:35 pm-9:00 pm

2 stops38h 25m

$461

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

jue. 2/12

4:05 pm-9:35 am

2 stops34h 30m

Barcelona-El Prat

mar. 2/17

1:35 pm-9:00 pm

2 stops38h 25m

$463

ChicagoPalma de Mallorca

ORD - PMI

ORDPMI

Chicago O'Hare Intl

jue. 1/29

7:20 pm-11:10 am

1 stop32h 50m

Palma de Mallorca Son Sant Joan

jue. 2/5

10:40 am-4:45 pm

2 stops37h 05m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 $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 noviembre 19, 2025.

It’s optimal to fly from Illinois to Spain in the evening. By choosing this option you can save up to 22% 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.

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 noviembre 19, 2025.

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?

    Scandinavian Airlines, Delta, and United Airlines can get you from Illinois to Spain in just under 12h 10m. Your travel time can differ by up to 30h 50m. 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 TAP AIR PORTUGAL ($293), Aer Lingus ($397), and Delta ($414).

  • 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 $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 noviembre 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$120Average$203FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$288Average$712FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$364Average$730FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$366Average$478FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$674FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$383Average$549FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$401Average$665FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$433Average$856FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$438Average$798FlexibilityNo cancel feeOn-time70%
IberiaCheapest$461Average$937FlexibilityNo cancel feeOn-time77%

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