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$193+ Cheap flights from Illinois to Barcelona

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BCN
feb. 13 — feb. 201
vie. 2/13
vie. 2/20
1 adult, Economy
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Cheap flight deals from Illinois to Barcelona

Keep the following information in mind while searching for Illinois to Barcelona flight deals. Data was last updated enero 14, 2026.

Round-trip from

$403
(oojo)

One-way from

$193
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$491
From Illinois to Barcelona
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One-way flight from Illinois to Barcelona
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Highest demand for flights based on searches. 30% potential increase in price ($303 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Illinois to Barcelona

Cheapest flights from Illinois to Barcelona
Explore the most affordable flight options available from Illinois to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 14, 2026.

This oojo deal was found by Cheapflights users on 1/12. 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.
dom. 5/107:25 pm
ORD
-
BCN
1 stop12h 20m
Icelandair
vie. 5/153:45 pm
BCN
-
ORD
1 stop12h 40m
Icelandair
Deal found 1/12$403
This oojo deal was found by Cheapflights users on 1/12. 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.
dom. 2/227:10 pm
ORD
-
BCN
1 stop16h 10m
Scandinavian Airlines
mié. 2/257:10 pm
BCN
-
ORD
1 stop28h 35m
Scandinavian Airlines
Deal found 1/12$404
This KAYAK deal was found by Cheapflights users on 1/13. 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.
sáb. 5/27:25 pm
ORD
-
BCN
1 stop12h 20m
Icelandair
vie. 5/153:45 pm
BCN
-
ORD
1 stop12h 40m
Icelandair
Deal found 1/13$406
This oojo deal was found by Cheapflights users on 1/13. 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.
mar. 4/144:16 pm
ORD
-
BCN
2 stops14h 59m
British Airways
mar. 4/2110:30 am
BCN
-
ORD
Nonstop9h 50m
British Airways
Deal found 1/13$407
This oojo deal was found by Cheapflights users on 1/13. 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.
sáb. 5/27:25 pm
ORD
-
BCN
1 stop12h 20m
Icelandair
lun. 5/183:45 pm
BCN
-
ORD
1 stop12h 40m
Icelandair
Deal found 1/13$408
This Mytrip deal was found by Cheapflights users on 1/12. 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.
dom. 2/228:40 pm
ORD
-
BCN
2 stops29h 55m
Air Canada
mar. 3/1012:35 pm
BCN
-
ORD
1 stop13h 35m
Air Canada
Deal found 1/12$409
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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.
mié. 4/157:00 pm
ORD
-
BCN
Nonstop8h 35m
Iberia
jue. 4/2310:30 am
BCN
-
ORD
Nonstop9h 50m
Iberia
Deal found 1/12$412
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
dom. 2/226:30 pm
ORD
-
BCN
1 stop11h 45m
Icelandair
dom. 3/111:50 am
BCN
-
ORD
1 stop12h 30m
Icelandair
Deal found 1/12$413
This Air Canada deal was found by Cheapflights users on 1/12. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/217:15 am
ORD
-
BCN
1 stop19h 20m
Air Canada
mar. 1/271:35 pm
BCN
-
ORD
2 stops30h 40m
Air Canada
Deal found 1/12$414
This United Airlines deal was found by Cheapflights users on 1/13. 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.
mar. 2/242:30 pm
ORD
-
BCN
1 stop10h 50m
United Airlines
mar. 3/31:35 pm
BCN
-
ORD
2 stops30h 24m
United Airlines
Deal found 1/13$415
This oojo deal was found by Cheapflights users on 1/13. 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.
lun. 4/132:29 pm
STL
-
BCN
2 stops18h 56m
British Airways
lun. 4/278:35 pm
BCN
-
STL
1 stop29h 55m
British Airways
Deal found 1/13$417
This Air Canada deal was found by Cheapflights users on 1/12. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/36:40 pm
STL
-
BCN
2 stops31h 55m
Air Canada
mar. 2/101:35 pm
BCN
-
STL
2 stops31h 55m
Air Canada
Deal found 1/12$418

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Barcelona 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 enero 14, 2026.
Use the filters below to find and compare flights from Illinois to Barcelona that are best for you.

Fly from

Illinois

Fly to

Barcelona

Route

Depart

Return

Price

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mar. 2/3

6:40 pm-9:35 am

2 stops31h 55m

Barcelona-El Prat

mar. 2/10

1:35 pm-2:30 pm

2 stops31h 55m

$418

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

lun. 2/2

4:30 pm-5:55 pm

2 stops18h 25m

Barcelona-El Prat

mié. 2/11

12:30 pm-8:15 pm

1 stop14h 45m

$422

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

dom. 1/25

9:57 am-9:35 am

2 stops16h 38m

Barcelona-El Prat

mar. 2/10

1:35 pm-11:02 am

2 stops28h 27m

$423

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

dom. 1/25

2:27 pm-9:00 am

1 stop11h 33m

Barcelona-El Prat

mar. 2/10

1:35 pm-8:10 pm

1 stop13h 35m

$424

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

mar. 4/7

3:45 pm-8:00 am

1 stop33h 15m

Barcelona-El Prat

mié. 4/15

3:15 pm-5:45 pm

Nonstop9h 30m

$424

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

dom. 1/25

12:01 pm-12:30 pm

2 stops17h 29m

Barcelona-El Prat

mar. 2/10

10:40 am-7:29 pm

1 stop15h 49m

$425

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

dom. 2/22

1:02 pm-8:20 am

1 stop12h 18m

Barcelona-El Prat

mar. 3/10

12:35 pm-8:10 pm

1 stop13h 35m

$426

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

mar. 2/24

9:45 pm-6:25 pm

1 stop13h 40m

Barcelona-El Prat

mar. 3/10

9:35 am-7:40 pm

1 stop16h 05m

$428

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

mar. 2/24

8:50 am-8:20 am

1 stop16h 30m

Barcelona-El Prat

mar. 3/3

1:35 pm-11:18 am

1 stop28h 43m

$428

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mié. 3/18

11:59 am-1:40 pm

2 stops19h 41m

Barcelona-El Prat

mar. 3/24

10:05 am-11:02 pm

2 stops18h 57m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

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

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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 Barcelona

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Barcelona (average of $366). Flying from Illinois to Barcelona in June is currently the most expensive (average of $866). 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.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Barcelona. 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 Barcelona?

    For as low as $424, Air Canada can have you in Barcelona from Illinois in 11h 33m. There are 4405 mi between Illinois and Barcelona. 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 Barcelona one-way?

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $186. However, be on the lookout for offers from Icelandair and SWISS, as they are both options that can get you from Illinois to Barcelona for a low price.

  • What are the most popular routes from Illinois to Barcelona?

    The most popular flight routes from Illinois to Barcelona are Chicago O'Hare Intl - Barcelona-El Prat, Chicago Midway - Barcelona-El Prat and Lambert-St Louis - Barcelona-El Prat.

  • What are the cheapest flights from Illinois to Barcelona?

    On average you can expect to pay $2,896 for a flight from Illinois to Barcelona. The cheapest flight overall is $418 while the most popular route, (Chicago O'Hare Intl - Barcelona-El Prat) is currently priced at $360.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Illinois to Barcelona (average of $366). Flying from Illinois to Barcelona in June is currently the most expensive (average of $866). 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 Illinois to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Barcelona-El Prat flights
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Top 10 airlines flying from Illinois to Barcelona

Discover the top 10 airlines that operate flights from Illinois to Barcelona. 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 enero 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$356Average$462FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$373Average$545FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$401Average$659FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$439Average$594FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$477Average$579FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$477Average$802FlexibilityNo cancel feeOn-time76%
IberiaCheapest$478Average$817FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$478Average$708FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$478Average$672FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$492Average$804FlexibilityNo cancel feeOn-time69%

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