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$247+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Round-trip from

$522
(United)

One-way from

$326
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$675

Good round-trip deal

$687 or less

Good one-way deal

$501 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. 30% potential increase in price ($334 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This oojo deal was found by Cheapflights users on 4/15. 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 11/268:25 pmORD - BCN
1 stop16h 55mTAP AIR PORTUGAL
Fri 12/56:45 amBCN - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 4/15$406
This Finnair deal was found by Cheapflights users on 4/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:45 pmORD - MAD
Nonstop8h 10mFinnair
Fri 11/1411:35 amMAD - ORD
Nonstop9h 55mFinnair
Deal found 4/15$453
This Finnair deal was found by Cheapflights users on 4/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/271:15 pmORD - MAD
1 stop10h 30mMultiple Airlines
Fri 11/1411:35 amMAD - ORD
Nonstop9h 55mMultiple Airlines
Deal found 4/15$457
This Justfly.com deal was found by Cheapflights users on 4/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:20 amORD - BCN
1 stop19h 30mAir Canada
Thu 12/412:15 pmBCN - ORD
1 stop15h 10mAir Canada
Deal found 4/15$458
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:00 pmORD - MAD
1 stop11h 50mAmerican Airlines
Wed 11/1211:35 amMAD - ORD
Nonstop9h 55mAmerican Airlines
Deal found 4/16$466
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 11/269:35 pmORD - BCN
Nonstop8h 30mUnited Airlines
Fri 12/511:45 amBCN - ORD
1 stop15h 26mUnited Airlines
Deal found 4/15$469
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:25 pmORD - MAD
1 stop19h 55mTAP AIR PORTUGAL
Tue 11/46:00 pmMAD - ORD
1 stop28h 30mTAP AIR PORTUGAL
Deal found 4/16$476
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:15 pmORD - MAD
1 stop14h 05mBritish Airways
Mon 10/69:15 pmMAD - ORD
1 stop23h 35mBritish Airways
Deal found 4/16$489
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 10/2212:54 pmORD - MAD
1 stop12h 21mIberia
Wed 11/511:35 amMAD - ORD
Nonstop9h 55mIberia
Deal found 4/15$494
This SWISS deal was found by Cheapflights users on 4/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:05 pmORD - BCN
1 stop20h 55mSWISS
Wed 12/32:55 pmBCN - ORD
1 stop32h 20mSWISS
Deal found 4/15$494
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:25 pmORD - AGP
1 stop19h 50mTAP AIR PORTUGAL
Fri 11/286:00 amAGP - ORD
1 stop16h 30mTAP AIR PORTUGAL
Deal found 4/16$511
This Air France deal was found by Cheapflights users on 4/15. 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.
Tue 11/2511:19 amORD - BCN
1 stop14h 21mAir France
Fri 12/56:00 amBCN - ORD
1 stop16h 05mAir France
Deal found 4/15$519

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 April 17, 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

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Mon 9/22

7:15 pm-4:20 pm

1 stop14h 05m

Madrid Barajas

Mon 10/6

9:15 pm-1:50 pm

1 stop23h 35m

$489

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Fri 10/3

6:00 pm-12:40 pm

1 stop11h 40m

Madrid Barajas

Thu 10/9

7:40 am-12:35 pm

1 stop11h 55m

$516

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Mon 9/22

10:40 am-7:50 am

1 stop14h 10m

Madrid Barajas

Mon 10/6

12:45 pm-9:07 pm

2 stops15h 22m

$525

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 5/4

9:15 pm-5:15 pm

1 stop13h 00m

Barcelona-El Prat

Thu 5/22

10:45 am-1:30 pm

Nonstop9h 45m

$533

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 5/5

11:15 am-9:20 am

1 stop15h 05m

Barcelona-El Prat

Thu 5/15

11:35 am-6:48 pm

1 stop14h 13m

$543

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Mon 5/5

9:52 am-9:20 am

1 stop16h 28m

Barcelona-El Prat

Thu 5/15

9:30 am-9:28 pm

1 stop18h 58m

$543

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Fri 10/3

10:40 am-7:50 am

1 stop14h 10m

Madrid Barajas

Thu 10/9

6:20 am-2:50 pm

2 stops15h 30m

$559

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Mon 8/25

7:15 pm-12:10 pm

1 stop33h 55m

Madrid Barajas

Wed 9/3

12:55 pm-4:10 pm

1 stop34h 15m

$560

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Tue 10/14

9:40 pm-10:25 pm

1 stop17h 45m

Madrid Barajas

Mon 10/20

6:20 pm-12:30 pm

1 stop25h 10m

$561

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Tue 10/14

10:35 pm-5:30 pm

1 stop11h 55m

Madrid Barajas

Sun 10/26

7:40 am-2:55 pm

1 stop13h 15m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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, 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 $1,101). 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 April 17, 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.

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 April 17, 2025.

The most flights from USIL to ES0 are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 April 17, 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
438 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Overall

8.2

Crew

8.5

Food

8.0

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
438 reviews
Asiana Airlines
8.2
Very good
438 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Overall

8.2

Crew

8.5

Food

8.0

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
7,917 reviews
Asiana Airlines
8.2
Very good
438 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Overall

8.2

Crew

8.5

Food

8.0

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
1,329 reviews
Asiana Airlines
8.2
Very good
438 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Overall

8.2

Crew

8.5

Food

8.0

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
1,269 reviews
Asiana Airlines
8.2
Very good
438 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Overall

8.2

Crew

8.5

Food

8.0

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.
Austrian Airlines
7.6
Good
775 reviews
Asiana Airlines
8.2
Very good
438 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Overall

8.2

Crew

8.5

Food

8.0

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 TAP AIR PORTUGAL ($328), JetBlue ($379), and Icelandair ($399).

  • 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 $1,101). 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$226Average$757FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$343Average$743FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$349Average$417FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$384Average$592FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$443Average$897FlexibilityNo cancel feeOn-time69%
FinnairCheapest$450Average$727FlexibilityNo cancel feeOn-time76%
IberiaCheapest$461Average$924FlexibilityNo cancel feeOn-time77%
DeltaCheapest$465Average$875FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$470Average$756FlexibilityNo cancel feeOn-time67%
KLMCheapest$477Average$824FlexibilityNo cancel feeOn-time75%

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