Spain

$285+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAD
May 1 — May 81
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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 April 1, 2026.

This Ticket deal was found by Cheapflights users on 3/29. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:05 pm
ORD
-
SVQ
1 stop32h 25m
TAP AIR PORTUGAL
Fri 4/246:30 am
SVQ
-
ORD
1 stop16h 30m
TAP AIR PORTUGAL
Deal found 3/29$443
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/217:05 pm
ORD
-
PMI
1 stop30h 45m
SWISS
Tue 4/289:40 am
PMI
-
ORD
1 stop33h 55m
SWISS
Deal found 3/31$462
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/124:20 pm
ORD
-
AGP
1 stop19h 40m
Austrian Airlines
Mon 4/207:50 pm
AGP
-
ORD
1 stop24h 30m
Austrian Airlines
Deal found 3/27$465
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:20 pm
ORD
-
AGP
1 stop19h 40m
Austrian Airlines
Mon 4/277:50 pm
AGP
-
ORD
1 stop24h 30m
Austrian Airlines
Deal found 3/29$466
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 9/217:05 pm
ORD
-
PMI
1 stop11h 30m
Multiple Airlines
Wed 9/306:40 pm
PMI
-
ORD
1 stop25h 40m
Multiple Airlines
Deal found 3/27$470
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/214:20 pm
ORD
-
PMI
1 stop12h 00m
Multiple Airlines
Tue 4/289:40 am
PMI
-
ORD
1 stop33h 55m
Multiple Airlines
Deal found 3/27$475
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/124:20 pm
ORD
-
PMI
1 stop18h 30m
Multiple Airlines
Tue 4/218:05 pm
PMI
-
ORD
1 stop23h 30m
Multiple Airlines
Deal found 3/31$477
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Tue 9/227:05 pm
ORD
-
PMI
1 stop12h 00m
SWISS
Fri 10/29:40 am
PMI
-
ORD
1 stop13h 15m
SWISS
Deal found 3/27$479
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/132:20 pm
ORD
-
AGP
1 stop14h 00m
SWISS
Tue 4/216:30 am
AGP
-
ORD
1 stop16h 25m
SWISS
Deal found 3/27$479
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/157:05 pm
ORD
-
AGP
1 stop22h 00m
SWISS
Fri 4/246:30 am
AGP
-
ORD
1 stop13h 05m
SWISS
Deal found 3/27$484
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 9/2212:57 pm
ORD
-
PMI
2 stops21h 53m
Austrian Airlines
Sat 10/38:30 pm
PMI
-
ORD
1 stop23h 50m
Austrian Airlines
Deal found 3/27$488
This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:40 pm
ORD
-
PMI
2 stops28h 50m
Multiple Airlines
Fri 10/29:40 am
PMI
-
ORD
1 stop13h 15m
Multiple Airlines
Deal found 3/28$491

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 April 1, 2026.

Round-trip from

$443
(Ticket)

One-way from

$285
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$724

Good round-trip deal

$676 or less

Good one-way deal

$504 or less
From Illinois to Spain
One-way flight from Illinois to Spain
Highest demand for flights based on searches. 28% potential increase in price ($284 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Illinois to Spain.
Price to beat on a one-way flight from Illinois to Spain.

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 1, 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

Mon 4/20

11:35 am-9:40 am

1 stop29h 05m

$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
Quickest round-trip

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 4/14

9:40 pm-1:15 pm

Nonstop8h 35m

Barcelona-El Prat

Tue 4/21

3:15 pm-5:45 pm

Nonstop9h 30m

$700

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 4/22

5:55 pm-2:55 pm

1 stop14h 00m

Barcelona-El Prat

Wed 4/29

3:15 pm-5:45 pm

Nonstop9h 30m

$707

ChicagoSeville

ORD - SVQ

ORDSVQ

Chicago O'Hare Intl

Wed 4/29

11:25 am-5:35 pm

1 stop23h 10m

Sevilla

Sun 5/10

6:35 pm-6:15 pm

1 stop30h 40m

$709

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Sun 4/12

7:20 pm-4:25 pm

2 stops14h 05m

Barcelona-El Prat

Tue 4/28

11:00 am-10:28 pm

1 stop18h 28m

$723

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 4/15

10:41 am-7:35 am

1 stop13h 54m

Barcelona-El Prat

Wed 5/6

10:30 am-1:20 pm

Nonstop9h 50m

$734

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Tue 5/5

7:16 pm-4:25 pm

2 stops14h 09m

Barcelona-El Prat

Thu 5/14

11:00 am-9:09 pm

1 stop17h 09m

$753

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 4/7

3:45 pm-8:00 am

1 stop33h 15m

Barcelona-El Prat

Sun 4/19

3:15 pm-5:45 pm

Nonstop9h 30m

$753

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 4/22

5:55 pm-2:25 pm

1 stop13h 30m

Barcelona-El Prat

Sat 5/2

3:15 pm-5:45 pm

Nonstop9h 30m

$757

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $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 April 1, 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 April 1, 2026.

The most flights from USIL to ES0 are scheduled on a Monday (10 on average). You will have fewer flight options on Wednesday, 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?

    SWISS, United Airlines, and Turkish Airlines can get you from Illinois to Spain in just under 29h 30m. Your travel time can differ by up to 2h. Illinois and Spain are separated by a distance of 4501 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 ($167), 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.

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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$120Average$203FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$288Average$652FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$333Average$588FlexibilityNo cancel feeOn-time77%
FinnairCheapest$355Average$688FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$356Average$455FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$621FlexibilityNo cancel feeOn-time67%
DeltaCheapest$393Average$805FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$401Average$629FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$424Average$799FlexibilityNo cancel feeOn-time70%
IberiaCheapest$434Average$905FlexibilityNo cancel feeOn-time77%

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