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$333+ Cheap flights from Spain to Illinois

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Spain to Illinois

Keep the following information in mind while searching for Spain to Illinois flight deals. Data was last updated May 1, 2025.

Round-trip from

$435
(Expedia)

One-way from

$333
(oojo)

Popular in

July

Cheapest in

February

Average price

$472

Good round-trip deal

$675 or less

Good one-way deal

$608 or less
From Spain to Illinois
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One-way flight from Spain to Illinois
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Highest demand for flights based on searches. 19% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Spain to Illinois.
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Price to beat on a one-way flight from Spain to Illinois.
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Find flight deals from Spain to Illinois

Cheapest flights from Spain to Illinois
Explore the most affordable flight options available from Spain to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Expedia deal was found by Cheapflights users on 4/30. 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.
Wed 5/2810:00 pmAGP - ORD
2 stops23h 15mIberia
Wed 6/411:45 amORD - AGP
2 stops13h 45mIberia
Deal found 4/30$435
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 6/59:15 amBIO - ORD
1 stop12h 00mAmerican Airlines
Mon 6/94:30 pmORD - BIO
1 stop21h 20mAmerican Airlines
Deal found 4/30$449
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:35 amAGP - ORD
1 stop16h 35mTAP AIR PORTUGAL
Sat 9/136:15 pmORD - AGP
1 stop21h 40mTAP AIR PORTUGAL
Deal found 4/30$465
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 5/299:30 amSVQ - ORD
1 stop11h 45mMultiple Airlines
Fri 6/69:15 pmORD - SVQ
1 stop15h 25mMultiple Airlines
Deal found 4/30$480
This lol.travel deal was found by Cheapflights users on 4/30. 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.
Tue 6/36:45 amBIO - ORD
1 stop14h 30mIberia
Sat 9/133:14 pmORD - BIO
2 stops14h 31mIberia
Deal found 4/30$514
This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/228:25 pmAGP - ORD
1 stop26h 30mBritish Airways
Fri 6/65:45 pmORD - AGP
1 stop20h 25mBritish Airways
Deal found 4/30$527
This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/912:50 pmBCN - ORD
1 stop15h 14mBritish Airways
Sun 5/2511:45 amORD - BCN
1 stop12h 00mBritish Airways
Deal found 4/30$532
This lol.travel deal was found by Cheapflights users on 4/30. 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.
Sat 10/410:45 amBCN - ORD
Nonstop9h 45mIberia
Sat 10/116:45 pmORD - BCN
Nonstop8h 45mIberia
Deal found 4/30$535
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Fri 8/226:00 amBCN - ORD
1 stop17h 10mTAP AIR PORTUGAL
Sun 9/76:00 pmORD - BCN
1 stop13h 10mTAP AIR PORTUGAL
Deal found 4/30$537
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 5/1211:35 amMAD - ORD
Nonstop9h 40mAmerican Airlines
Mon 5/264:40 pmORD - MAD
1 stop10h 50mAmerican Airlines
Deal found 4/29$541
This ITA Airways deal was found by Cheapflights users on 4/29. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:55 amMAD - ORD
1 stop14h 15mITA Airways
Mon 9/153:00 pmORD - MAD
1 stop26h 10mITA Airways
Deal found 4/29$542
This Delta deal was found by Cheapflights users on 4/30. 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 10/226:00 amMAD - ORD
1 stop15h 40mDelta
Tue 10/285:45 pmORD - MAD
2 stops15h 40mDelta
Deal found 4/30$543

Cheapflights Fare Finder

Customize your flight search to find flights from Spain to Illinois 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 May 1, 2025.
Use the filters below to find and compare flights from Spain to Illinois that are best for you.

Fly from

Spain

Fly to

Illinois

Route

Depart

Return

Price

MálagaChicago

AGP - ORD

AGPORD

Malaga

Wed 5/28

10:00 pm-2:15 pm

2 stops23h 15m

Chicago O'Hare Intl

Wed 6/4

11:45 am-8:30 am

2 stops13h 45m

$435

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 6/5

9:15 am-2:15 pm

1 stop12h 00m

Chicago O'Hare Intl

Mon 6/9

4:30 pm-8:50 pm

1 stop21h 20m

$449

MálagaChicago

AGP - ORD

AGPORD

Malaga

Fri 8/29

6:35 am-4:10 pm

1 stop16h 35m

Chicago O'Hare Intl

Sat 9/13

6:15 pm-10:55 pm

1 stop21h 40m

$465

SevilleChicago

SVQ - ORD

SVQORD

Sevilla

Thu 5/29

9:30 am-2:15 pm

1 stop11h 45m

Chicago O'Hare Intl

Fri 6/6

9:15 pm-7:40 pm

1 stop15h 25m

$480

MálagaChicago

AGP - ORD

AGPORD

Malaga

Fri 5/16

10:40 am-6:25 pm

1 stop14h 45m

Chicago O'Hare Intl

Fri 5/30

7:15 pm-7:20 pm

1 stop17h 05m

$499

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 6/3

6:45 am-2:15 pm

1 stop14h 30m

Chicago O'Hare Intl

Sat 9/13

3:14 pm-12:45 pm

2 stops14h 31m

$514

MálagaChicago

AGP - ORD

AGPORD

Malaga

Thu 5/22

8:25 pm-3:55 pm

1 stop26h 30m

Chicago O'Hare Intl

Fri 6/6

5:45 pm-9:10 pm

1 stop20h 25m

$527

BarcelonaChicago

BCN - ORD

BCNORD

Barcelona-El Prat

Mon 10/6

6:20 am-6:38 pm

2 stops19h 18m

Chicago O'Hare Intl

Wed 10/15

7:30 am-6:00 am

1 stop15h 30m

$541

MadridChicago

MAD - ORD

MADORD

Madrid Barajas

Mon 5/12

11:35 am-2:15 pm

Nonstop9h 40m

Chicago O'Hare Intl

Mon 5/26

4:40 pm-10:30 am

1 stop10h 50m

$541

BarcelonaChicago

BCN - ORD

BCNORD

Barcelona-El Prat

Mon 9/1

6:20 am-1:10 pm

1 stop13h 50m

Chicago O'Hare Intl

Wed 9/10

3:00 pm-10:50 am

1 stop12h 50m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results
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Best time to book a flight from Spain to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Spain 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 Spain to Illinois

What is the cheapest month to book a flight from Spain to Illinois?

Currently, August is the cheapest month in which you can book a flight from Spain to Illinois (average of $245). Flying from Spain to Illinois in March is currently the most expensive (average of $321). 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 ES to IL?

Find hourly flight availability from Spain to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Spain to Illinois as you normally would.

Weekly flight availability from Spain to Illinois

Explore weekly flight availability from Spain to Illinois. 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 May 1, 2025.

The most flights from ES0 to USIL are scheduled on a Tuesday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown Delta, KLM and LOT from Spain to Illinois. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Spain to Illinois. 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 Spain to Illinois one-way?

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $333. Air Serbia flights start at $372 while deals on Aer Lingus start at $401 one-way.

  • Can I find deals for flights from Spain to Illinois that include hotel bookings?

    Yes. In addition to deals on Spain to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Spain to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spain to Illinois.

  • Can I find deals for business class flights from Spain to Illinois?

    Yes. Cheapflights offers flight deals from Spain to Illinois 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 Spain to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Spain to Illinois (average of $245). Flying from Spain to Illinois in March is currently the most expensive (average of $321). 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 Spain to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Spain to Illinois

Discover the top 9 airlines that operate flights from Spain to Illinois. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$305Average$590FlexibilityNo cancel feeOn-time77%
DeltaCheapest$353Average$543FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$372Average$645FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$401Average$790FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$404Average$606FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$405Average$555FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$441Average$706FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$480Average$724FlexibilityNo cancel feeOn-time70%
SWISSCheapest$490Average$881FlexibilityNo cancel feeOn-time79%

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