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$223+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/304:10 pmORD - BCN
1 stop23h 50mSWISS
Mon 1/127:50 pmBCN - ORD
1 stop23h 55mSWISS
Deal found 12/11$478
This Delta deal was found by Cheapflights users on 12/11. 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 12/316:02 pmORD - MAD
2 stops18h 08mDelta
Tue 1/136:00 amMAD - ORD
2 stops22h 35mDelta
Deal found 12/11$501
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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.
Wed 12/315:40 pmORD - MAD
Nonstop8h 10mFinnair
Tue 1/1312:00 pmMAD - ORD
Nonstop9h 55mFinnair
Deal found 12/11$502
This Delta deal was found by Cheapflights users on 12/11. 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.
Tue 12/306:08 pmMDW - BCN
2 stops31h 32mDelta
Mon 1/1211:10 amBCN - MDW
2 stops38h 22mDelta
Deal found 12/11$503
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/309:15 pmORD - BCN
2 stops29h 20mUnited Airlines
Mon 1/129:55 amBCN - ORD
1 stop32h 15mUnited Airlines
Deal found 12/10$509
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Tue 12/304:10 pmORD - BCN
1 stop33h 55mSWISS
Wed 1/77:50 pmBCN - ORD
2 stops49h 20mSWISS
Deal found 12/11$512
This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:20 pmORD - BCN
2 stops29h 15mMultiple Airlines
Thu 1/87:50 pmBCN - ORD
2 stops25h 20mMultiple Airlines
Deal found 12/11$513
This Delta deal was found by Cheapflights users on 12/11. 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.
Tue 12/306:08 pmMDW - MAD
2 stops34h 22mDelta
Mon 1/1212:35 pmMAD - MDW
2 stops40h 32mDelta
Deal found 12/11$514
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Tue 12/303:45 pmORD - BCN
2 stops34h 20mSWISS
Thu 1/87:50 pmBCN - ORD
2 stops25h 20mSWISS
Deal found 12/11$519
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/304:10 pmORD - BCN
1 stop23h 50mSWISS
Sun 1/117:50 pmBCN - ORD
1 stop23h 55mSWISS
Deal found 12/11$521
This KAYAK deal was found by Cheapflights users on 12/10. 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 12/313:45 pmORD - BCN
2 stops24h 15mSWISS
Wed 1/77:50 pmBCN - ORD
2 stops52h 10mSWISS
Deal found 12/10$529
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/307:00 amORD - BCN
1 stop18h 20mUnited Airlines
Fri 1/96:50 amBCN - ORD
2 stops17h 10mUnited Airlines
Deal found 12/11$530

Find flight deals from Illinois to Spain

Keep the following information in mind while searching for Illinois to Spain flight deals. Data was last updated December 12, 2025.

Round-trip from

$374
(FlightHub)

One-way from

$223
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$722

Good round-trip deal

$590 or less

Good one-way deal

$479 or less
From Illinois to Spain
Search Deals
One-way flight from Illinois to Spain
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Highest demand for flights based on searches. 30% potential increase in price ($305 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).
Search Deals
Average for round-trip flights in December 2025
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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.
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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 December 12, 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

Mon 3/9

1:37 pm-9:05 am

2 stops37h 28m

Palma de Mallorca Son Sant Joan

Wed 3/18

9:55 am-5:45 pm

1 stop13h 50m

$374

ChicagoPalma de Mallorca

ORD - PMI

ORDPMI

Chicago O'Hare Intl

Sun 2/8

7:10 pm-6:20 pm

1 stop16h 10m

Palma de Mallorca Son Sant Joan

Wed 2/11

9:55 am-4:45 pm

1 stop13h 50m

$420

ChicagoPalma de Mallorca

ORD - PMI

ORDPMI

Chicago O'Hare Intl

Thu 1/29

7:10 pm-11:10 am

1 stop33h 00m

Palma de Mallorca Son Sant Joan

Wed 2/4

9:55 am-4:45 pm

1 stop13h 50m

$425

ChicagoMálaga

ORD - AGP

ORDAGP

Chicago O'Hare Intl

Wed 1/28

6:25 pm-9:55 am

2 stops56h 30m

Malaga

Thu 2/5

6:30 pm-4:45 pm

1 stop29h 15m

$427

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Wed 3/4

7:10 pm-11:45 pm

1 stop21h 35m

Sevilla

Wed 3/11

10:00 am-4:00 pm

1 stop12h 00m

$442

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Sun 1/25

8:25 pm-2:30 pm

1 stop11h 05m

Sevilla

Sun 2/1

6:30 am-2:45 pm

1 stop15h 15m

$442

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Sun 1/11

10:10 am-5:45 am

1 stop12h 35m

Madrid Barajas

Tue 1/20

12:00 pm-2:55 pm

Nonstop9h 55m

$474

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 3/18

11:05 am-7:00 am

2 stops13h 55m

Madrid Barajas

Tue 3/31

1:05 pm-7:55 pm

1 stop13h 50m

$482

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Tue 3/17

7:30 am-7:00 am

2 stops17h 30m

Madrid Barajas

Tue 3/31

6:00 am-12:55 pm

1 stop13h 55m

$482

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 3/1

6:04 pm-9:35 am

2 stops32h 31m

Barcelona-El Prat

Wed 3/25

9:55 am-9:05 pm

1 stop17h 10m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December 12, 2025.

It’s optimal to fly from Illinois to Spain in the evening. By choosing this option you can save up to 16% 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. Friday at noon 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 December 12, 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, TAP AIR PORTUGAL, and United Airlines can get you from Illinois to Spain in just under 13h 55m. Your travel time can differ by up to 23h 33m. 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 ($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 $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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$120Average$203FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$288Average$711FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$356Average$720FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$366Average$485FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$631FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$373Average$548FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$401Average$665FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$434Average$858FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$435Average$789FlexibilityNo cancel feeOn-time70%
IberiaCheapest$460Average$925FlexibilityNo cancel feeOn-time77%

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