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$258+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
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 March 21, 2026.

This oojo deal was found by Cheapflights users on 3/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:05 pm
ORD
-
SVQ
1 stop23h 20m
TAP AIR PORTUGAL
Fri 4/246:30 am
SVQ
-
ORD
1 stop16h 30m
TAP AIR PORTUGAL
Deal found 3/18$447
This oojo deal was found by Cheapflights users on 3/16. 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.
Sat 4/116:05 pm
ORD
-
SVQ
1 stop23h 20m
TAP AIR PORTUGAL
Sat 4/1810:15 am
SVQ
-
ORD
1 stop12h 50m
TAP AIR PORTUGAL
Deal found 3/16$448
This oojo deal was found by Cheapflights users on 3/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:05 pm
ORD
-
AGP
1 stop21h 50m
TAP AIR PORTUGAL
Sun 5/177:00 am
AGP
-
ORD
1 stop16h 00m
TAP AIR PORTUGAL
Deal found 3/18$451
This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:20 pm
ORD
-
BCN
1 stop16h 00m
Scandinavian Airlines
Sat 12/57:10 pm
BCN
-
ORD
1 stop28h 35m
Scandinavian Airlines
Deal found 3/17$456
This Booking.com deal was found by Cheapflights users on 3/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:05 pm
ORD
-
AGP
1 stop32h 30m
TAP AIR PORTUGAL
Fri 4/247:00 am
AGP
-
ORD
1 stop16h 00m
TAP AIR PORTUGAL
Deal found 3/16$463
This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 pm
ORD
-
BCN
1 stop11h 45m
TAP AIR PORTUGAL
Wed 11/186:45 am
BCN
-
ORD
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 3/17$466
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:20 pm
ORD
-
PMI
1 stop12h 00m
Austrian Airlines
Wed 4/296:40 pm
PMI
-
ORD
1 stop25h 40m
Austrian Airlines
Deal found 3/16$468
This KAYAK deal was found by Cheapflights users on 3/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:15 pm
ORD
-
BCN
1 stop15h 55m
Scandinavian Airlines
Tue 10/2712:25 pm
BCN
-
ORD
1 stop35h 20m
Scandinavian Airlines
Deal found 3/17$468
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Sun 4/194:20 pm
ORD
-
AGP
1 stop19h 40m
Austrian Airlines
Mon 4/277:50 pm
AGP
-
ORD
1 stop24h 30m
Austrian Airlines
Deal found 3/19$469
This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:15 pm
ORD
-
BCN
1 stop15h 55m
Scandinavian Airlines
Mon 10/127:00 pm
BCN
-
ORD
1 stop28h 10m
Scandinavian Airlines
Deal found 3/17$472
This Mytrip deal was found by Cheapflights users on 3/17. 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.
Wed 4/227:25 pm
ORD
-
BCN
1 stop12h 20m
Icelandair
Wed 5/63:45 pm
BCN
-
ORD
1 stop12h 40m
Icelandair
Deal found 3/17$473
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Sun 4/129:40 pm
ORD
-
AGP
1 stop13h 15m
Multiple Airlines
Tue 4/286:30 am
AGP
-
ORD
1 stop16h 25m
Multiple Airlines
Deal found 3/20$474

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 March 21, 2026.

Round-trip from

$447
(oojo)

One-way from

$258
(oojo)

Popular in

June

Cheapest in

February

Average price

$673

Good round-trip deal

$627 or less

Good one-way deal

$472 or less
From Illinois to Spain
Search Deals
One-way flight from Illinois to Spain
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
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.
Search Deals

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 March 21, 2026.
Use the filters below to find and compare flights from Illinois to Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Thu 4/16

8:10 pm-10:40 am

1 stop31h 30m

Sevilla

Sat 4/25

11:35 am-9:40 am

1 stop29h 05m

$567

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Wed 4/8

8:10 pm-5:35 pm

1 stop38h 25m

Sevilla

Wed 4/22

11:50 am-9:40 am

1 stop28h 50m

$567

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Fri 9/4

11:25 am-10:40 am

1 stop16h 15m

Sevilla

Thu 12/17

5:45 pm-6:25 pm

1 stop31h 40m

$567

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Wed 4/29

8:10 pm-5:35 pm

1 stop38h 25m

Sevilla

Wed 5/6

11:50 am-9:40 am

1 stop28h 50m

$572

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Wed 4/15

8:10 pm-5:35 pm

1 stop38h 25m

Sevilla

Wed 4/29

11:50 am-9:40 am

1 stop28h 50m

$572

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Sun 9/6

8:10 pm-5:35 pm

1 stop38h 25m

Sevilla

Sat 9/19

11:35 am-6:15 pm

1 stop37h 40m

$572

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Tue 4/14

8:10 pm-5:35 pm

1 stop38h 25m

Sevilla

Mon 4/20

11:35 am-9:40 am

1 stop29h 05m

$577

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 5/4

6:50 am-6:10 pm

2 stops28h 20m

Barcelona-El Prat

Thu 5/7

12:50 pm-4:10 pm

2 stops34h 20m

$630

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Tue 5/5

10:15 am-5:40 pm

2 stops24h 25m

Madrid Barajas

Tue 5/19

7:45 pm-4:10 pm

1 stop27h 25m

$648
Quickest round-trip

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 4/13

9:40 pm-1:15 pm

Nonstop8h 35m

Barcelona-El Prat

Tue 4/28

3:15 pm-5:45 pm

Nonstop9h 30m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 $626). 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 March 21, 2026.

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 March 21, 2026.

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

    Turkish Airlines, Scandinavian Airlines, and United Airlines can get you from Illinois to Spain in just under 8h 35m. Your travel time can differ by up to 22h 55m. Illinois and Spain are separated by a distance of 4405 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), Icelandair ($225), and Scandinavian Airlines ($265).

  • 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 $626). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$120Average$203FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$288Average$654FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$333Average$560FlexibilityNo cancel feeOn-time77%
FinnairCheapest$354Average$705FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$356Average$451FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$639FlexibilityNo cancel feeOn-time67%
DeltaCheapest$393Average$751FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$401Average$619FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$424Average$785FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$430Average$945FlexibilityNo cancel feeOn-time69%

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