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$195+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BCN
feb. 20 — feb. 271
vie. 2/20
vie. 2/27
1 adult, Economy
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Cheap 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 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/21. 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.
lun. 11/96:45 pm
STL
-
BCN
1 stop11h 25m
United Airlines
mié. 11/251:35 pm
BCN
-
STL
2 stops31h 43m
United Airlines
Deal found 1/21$415
This Cheapflightsfares deal was found by Cheapflights users on 1/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/1811:46 am
STL
-
BCN
1 stop14h 04m
Finnair
mié. 2/253:05 pm
BCN
-
STL
1 stop15h 51m
Finnair
Deal found 1/19$419
This Iberia deal was found by Cheapflights users on 1/21. 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.
lun. 4/207:00 pm
ORD
-
BCN
Nonstop8h 35m
Iberia
vie. 5/110:30 am
BCN
-
ORD
Nonstop9h 50m
Iberia
Deal found 1/21$420
This United Airlines deal was found by Cheapflights users on 1/21. 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.
lun. 4/209:18 pm
ORD
-
BCN
1 stop28h 02m
United Airlines
vie. 5/11:15 pm
BCN
-
ORD
1 stop31h 10m
United Airlines
Deal found 1/21$421
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/182:00 pm
STL
-
BCN
2 stops14h 10m
British Airways
mié. 2/2510:40 am
BCN
-
STL
1 stop19h 42m
British Airways
Deal found 1/19$422
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/44:01 pm
ORD
-
BCN
2 stops17h 29m
British Airways
mar. 3/109:35 am
BCN
-
ORD
1 stop20h 01m
British Airways
Deal found 1/20$422
This Finnair deal was found by Cheapflights users on 1/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/138:35 pm
ORD
-
BCN
1 stop12h 50m
Multiple Airlines
vie. 5/110:05 am
BCN
-
ORD
1 stop14h 45m
Multiple Airlines
Deal found 1/19$423
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/129:40 pm
ORD
-
BCN
Nonstop8h 35m
United Airlines
mar. 4/2812:15 pm
BCN
-
ORD
1 stop33h 40m
United Airlines
Deal found 1/20$424
This Finnair deal was found by Cheapflights users on 1/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/217:00 pm
ORD
-
BCN
Nonstop8h 35m
Finnair
mar. 9/2910:05 am
BCN
-
ORD
1 stop14h 45m
Finnair
Deal found 1/21$425
This British Airways deal was found by Cheapflights users on 1/21. 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.
dom. 2/85:10 pm
ORD
-
BCN
1 stop15h 55m
British Airways
mié. 2/1810:40 am
BCN
-
ORD
1 stop16h 00m
British Airways
Deal found 1/21$426
This United Airlines deal was found by Cheapflights users on 1/21. 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.
lun. 2/93:35 pm
ORD
-
BCN
1 stop11h 00m
United Airlines
jue. 2/191:35 pm
BCN
-
ORD
1 stop13h 35m
United Airlines
Deal found 1/21$427
This British Airways deal was found by Cheapflights users on 1/21. 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.
mar. 2/105:10 pm
ORD
-
BCN
1 stop13h 30m
British Airways
mié. 2/2510:40 am
BCN
-
ORD
1 stop18h 20m
British Airways
Deal found 1/21$428

Find 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 21, 2026.

Round-trip from

$417
(Gotogate)

One-way from

$195
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$491
From Illinois to Barcelona
Search Deals
One-way flight from Illinois to Barcelona
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($302 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 January 2026
Search Deals

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 21, 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. 3/24

10:00 am-9:00 am

2 stops17h 00m

Barcelona-El Prat

jue. 4/9

12:15 pm-10:56 pm

2 stops41h 41m

$419

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

lun. 4/20

9:18 pm-8:20 am

1 stop28h 02m

Barcelona-El Prat

vie. 5/1

1:15 pm-1:25 pm

1 stop31h 10m

$421

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

lun. 2/9

5:10 pm-1:40 pm

1 stop13h 30m

Barcelona-El Prat

mié. 2/18

10:40 am-7:40 pm

1 stop16h 00m

$423

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

dom. 2/8

5:10 pm-8:05 pm

1 stop19h 55m

Barcelona-El Prat

jue. 2/19

10:40 am-11:36 pm

1 stop19h 56m

$423

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

mié. 2/11

12:50 pm-9:35 am

1 stop13h 45m

Barcelona-El Prat

jue. 2/19

1:35 pm-8:10 pm

1 stop13h 35m

$427

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

mar. 2/24

2:30 pm-8:20 am

1 stop10h 50m

Barcelona-El Prat

mar. 3/3

1:35 pm-8:10 pm

1 stop13h 35m

$428

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mar. 4/14

11:44 am-1:15 pm

2 stops18h 31m

Barcelona-El Prat

mar. 4/28

7:40 am-7:30 pm

1 stop18h 50m

$429

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

lun. 3/23

11:40 am-11:20 am

2 stops17h 40m

Barcelona-El Prat

jue. 4/9

7:40 am-3:55 pm

1 stop15h 15m

$439

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

mar. 5/5

8:45 am-8:00 am

1 stop16h 15m

Barcelona-El Prat

jue. 5/28

3:15 pm-6:00 pm

Nonstop9h 45m

$454

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

lun. 3/30

12:50 pm-8:00 am

1 stop12h 10m

Barcelona-El Prat

jue. 4/9

12:15 pm-7:50 pm

1 stop14h 35m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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 $423, United Airlines can have you in Barcelona from Illinois in 13h 30m. 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 $3,287 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 $359.

  • 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.
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Barcelona-El Prat flights
Dulles Intl to Barcelona-El Prat flights
LaGuardia to Barcelona-El Prat flights
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O'Hare Intl to Barcelona-El Prat flights
Boston to Barcelona-El Prat flights
Dallas/Fort Worth to Barcelona-El Prat flights
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Reagan-National to Barcelona-El Prat flights
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Portland to Barcelona-El Prat flights
Sky Harbor Intl to Barcelona-El Prat flights
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Des Moines to Barcelona-El Prat flights

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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$356Average$463FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$372Average$537FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$375Average$591FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$401Average$715FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$462Average$577FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$474Average$655FlexibilityNo cancel feeOn-time70%
IberiaCheapest$477Average$814FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$477Average$814FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$486Average$716FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$490Average$798FlexibilityNo cancel feeOn-time69%

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