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$298+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — ORD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Trip.com deal was found by Cheapflights users on 2/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:35 pm
ALC
-
ORD
1 stop29h 20m
Scandinavian Airlines
Mon 3/98:20 pm
ORD
-
ALC
1 stop15h 25m
Scandinavian Airlines
Deal found 2/2$460
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Thu 2/56:15 pm
VLC
-
ORD
1 stop28h 10m
TAP AIR PORTUGAL
Wed 2/187:10 pm
ORD
-
VLC
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 2/1$463
This Expedia deal was found by Cheapflights users on 2/2. 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.
Thu 2/266:45 am
BIO
-
ORD
1 stop15h 10m
Iberia
Mon 3/25:40 pm
ORD
-
BIO
1 stop16h 15m
Iberia
Deal found 2/2$467
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/269:10 am
ALC
-
ORD
1 stop12h 45m
American Airlines
Mon 3/22:40 pm
ORD
-
ALC
2 stops15h 30m
American Airlines
Deal found 2/1$468
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/59:10 am
ALC
-
ORD
1 stop12h 45m
American Airlines
Mon 3/94:21 pm
ORD
-
ALC
2 stops14h 49m
American Airlines
Deal found 2/2$470
This lol.travel deal was found by Cheapflights users on 2/2. 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.
Thu 2/266:45 am
BIO
-
ORD
1 stop15h 10m
Multiple Airlines
Mon 3/25:40 pm
ORD
-
BIO
1 stop20h 10m
Multiple Airlines
Deal found 2/2$473
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 4/183:45 pm
BCN
-
ORD
1 stop33h 30m
Icelandair
Sun 4/267:25 pm
ORD
-
BCN
1 stop12h 20m
Icelandair
Deal found 2/2$475
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/266:45 am
BIO
-
ORD
1 stop15h 10m
American Airlines
Mon 3/25:40 pm
ORD
-
BIO
1 stop31h 50m
American Airlines
Deal found 2/1$476
This Rumbo deal was found by Cheapflights users on 2/1. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:00 pm
MAD
-
ORD
1 stop27h 45m
TAP AIR PORTUGAL
Fri 2/208:15 pm
ORD
-
MAD
1 stop10h 50m
TAP AIR PORTUGAL
Deal found 2/1$484
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Wed 4/227:40 am
MAD
-
ORD
1 stop15h 20m
TAP AIR PORTUGAL
Sun 4/266:00 pm
ORD
-
MAD
1 stop16h 20m
TAP AIR PORTUGAL
Deal found 2/2$489
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:35 am
MAD
-
ORD
1 stop16h 40m
TAP AIR PORTUGAL
Wed 5/136:00 pm
ORD
-
MAD
1 stop23h 20m
TAP AIR PORTUGAL
Deal found 2/1$491
This Iberia deal was found by Cheapflights users on 2/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:05 am
VLC
-
ORD
1 stop15h 50m
Iberia
Thu 4/234:30 pm
ORD
-
VLC
1 stop17h 30m
Iberia
Deal found 2/2$496

Find flight deals from Spain to Illinois

Keep the following information in mind while searching for Spain to Illinois flight deals. Data was last updated February 3, 2026.

Round-trip from

$460
(Trip.com)

One-way from

$298
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$450

Good round-trip deal

$520 or less

Good one-way deal

$518 or less
From Spain to Illinois
Search Deals
One-way flight from Spain to Illinois
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Spain to Illinois.
Search Deals
Price to beat on a one-way flight from Spain to Illinois.
Search Deals

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 February 3, 2026.
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

AlicanteChicago

ALC - ORD

ALCORD

Alicante

Thu 3/5

6:35 pm-4:55 pm

1 stop29h 20m

Chicago O'Hare Intl

Mon 3/9

8:20 pm-5:45 pm

1 stop15h 25m

$460

AlicanteChicago

ALC - ORD

ALCORD

Alicante

Thu 2/26

9:10 am-2:55 pm

1 stop12h 45m

Chicago O'Hare Intl

Mon 3/2

5:40 pm-1:10 pm

1 stop12h 30m

$468

AlicanteChicago

ALC - ORD

ALCORD

Alicante

Thu 3/5

9:10 am-2:55 pm

1 stop12h 45m

Chicago O'Hare Intl

Mon 3/9

4:21 pm-1:10 pm

2 stops14h 49m

$470

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 2/26

6:45 am-2:55 pm

1 stop15h 10m

Chicago O'Hare Intl

Mon 3/2

12:12 pm-11:15 pm

2 stops28h 03m

$494

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 2/26

9:15 am-7:40 pm

2 stops17h 25m

Chicago O'Hare Intl

Mon 3/2

11:53 am-8:30 am

2 stops13h 37m

$496

ValenciaChicago

VLC - ORD

VLCORD

Valencia

Mon 4/13

7:20 am-1:20 pm

1 stop13h 00m

Chicago O'Hare Intl

Mon 4/20

7:15 pm-8:05 pm

1 stop17h 50m

$524

ValenciaChicago

VLC - ORD

VLCORD

Valencia

Wed 4/8

7:20 am-1:20 pm

1 stop13h 00m

Chicago O'Hare Intl

Tue 4/14

10:15 pm-12:15 am

1 stop19h 00m

$530

ValenciaChicago

VLC - ORD

VLCORD

Valencia

Wed 4/8

7:20 am-1:20 pm

1 stop13h 00m

Chicago O'Hare Intl

Mon 4/13

7:00 pm-8:05 pm

1 stop18h 05m

$530

ValenciaChicago

VLC - ORD

VLCORD

Valencia

Thu 5/28

7:20 am-1:20 pm

1 stop13h 00m

Chicago O'Hare Intl

Sun 5/31

7:00 pm-8:05 pm

1 stop18h 05m

$542

MadridChicago

MAD - ORD

MADORD

Madrid Barajas

Thu 2/26

6:00 am-3:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Tue 3/3

12:45 pm-9:15 am

1 stop13h 30m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 60 results
1
2
3
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6

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, February is the cheapest month in which you can book a flight from Spain to Illinois (average of $302). Flying from Spain to Illinois in July is currently the most expensive (average of $594). 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 February 3, 2026.

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.

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 February 3, 2026.
Peruse reviews from past customers who have flown with Finnair, United Airlines, and TAP AIR PORTUGAL from Spain to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,357 reviews

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,357 reviews
Finnair
7.6
Good
1,357 reviews

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
United Airlines
7.4
Good
9,232 reviews
Finnair
7.6
Good
1,357 reviews

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
TAP AIR PORTUGAL
7.1
Good
2,133 reviews
Finnair
7.6
Good
1,357 reviews

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Iberia
7.0
Good
3,102 reviews
Finnair
7.6
Good
1,357 reviews

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,711 reviews
Finnair
7.6
Good
1,357 reviews

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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.

  • How long is the flight from Spain to Illinois?

    A quick flight from Spain to Illinois can take about 12h 45m. Scandinavian Airlines provides one of the quickest options available for as low as $468. The distance from Spain to Illinois is about 4406 mi. This flight may include one or multiple stops.

  • 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 $266. British Airways flights start at $347 while deals on Iberia start at $351 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, February is the cheapest month in which you can book a flight from Spain to Illinois (average of $302). Flying from Spain to Illinois in July is currently the most expensive (average of $594). 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 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$347Average$628FlexibilityNo cancel feeOn-time77%
DeltaCheapest$353Average$693FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$406Average$691FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$414Average$530FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$437Average$621FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$453Average$746FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$471Average$656FlexibilityNo cancel feeOn-time69%
FinnairCheapest$534Average$674FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$789Average$789FlexibilityNo cancel feeOn-time77%

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