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$190+ 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
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 December 23, 2025.

This Icelandair deal was found by Cheapflights users on 12/22. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 pmORD - BCN
1 stop12h 05mIcelandair
Tue 1/2011:50 amBCN - ORD
1 stop12h 30mIcelandair
Deal found 12/22$442
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 pmORD - BCN
1 stop12h 05mIcelandair
Fri 1/2311:50 amBCN - ORD
1 stop12h 30mIcelandair
Deal found 12/21$495
This FlightHub deal was found by Cheapflights users on 12/22. 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.
Wed 12/317:10 pmORD - BCN
1 stop11h 35mTAP AIR PORTUGAL
Wed 1/216:45 amBCN - ORD
1 stop15h 15mTAP AIR PORTUGAL
Deal found 12/22$525
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:10 pmORD - BCN
1 stop11h 35mTAP AIR PORTUGAL
Sun 1/186:45 amBCN - ORD
1 stop15h 00mTAP AIR PORTUGAL
Deal found 12/21$555
This KAYAK deal was found by Cheapflights users on 12/22. 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.
Wed 12/317:10 pmORD - BCN
1 stop18h 10mTAP AIR PORTUGAL
Thu 1/229:10 pmBCN - ORD
1 stop25h 15mTAP AIR PORTUGAL
Deal found 12/22$591
This KAYAK deal was found by Cheapflights users on 12/22. 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.
Wed 12/316:30 pmORD - BCN
1 stop12h 05mIcelandair
Sun 1/1811:50 amBCN - ORD
1 stop12h 30mIcelandair
Deal found 12/22$601
This KAYAK deal was found by Cheapflights users on 12/22. 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.
Wed 12/317:10 pmORD - BCN
1 stop11h 35mTAP AIR PORTUGAL
Sat 1/179:10 pmBCN - ORD
1 stop24h 35mTAP AIR PORTUGAL
Deal found 12/22$611
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 pmORD - BCN
2 stops28h 45mMultiple Airlines
Sun 1/186:45 amBCN - ORD
1 stop15h 00mMultiple Airlines
Deal found 12/21$674
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 pmORD - BCN
2 stops28h 45mMultiple Airlines
Wed 1/216:45 amBCN - ORD
1 stop15h 15mMultiple Airlines
Deal found 12/21$676
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:20 pmORD - BCN
2 stops21h 30mMultiple Airlines
Fri 1/236:45 amBCN - ORD
1 stop15h 40mMultiple Airlines
Deal found 12/21$688
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Fri 12/266:30 amSTL - BCN
2 stops20h 05mUnited Airlines
Sun 12/2810:30 amBCN - STL
1 stop15h 52mUnited Airlines
Deal found 12/22$814
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/226:35 pmSTL - BCN
2 stops30h 45mUnited Airlines
Mon 12/2910:30 amBCN - STL
1 stop15h 52mUnited Airlines
Deal found 12/21$895

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 December 23, 2025.

Round-trip from

$418
(Gotogate)

One-way from

$190
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$711
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 ($307 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 23, 2025.
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

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 3/17

10:45 pm-6:25 pm

1 stop13h 40m

Barcelona-El Prat

Wed 3/25

11:15 am-7:45 pm

1 stop14h 30m

$466

PeoriaBarcelona

PIA - BCN

PIABCN

Greater Peoria

Thu 2/5

6:30 am-9:35 am

2 stops44h 05m

Barcelona-El Prat

Thu 2/12

1:35 pm-12:43 pm

2 stops30h 08m

$468

MolineBarcelona

MLI - BCN

MLIBCN

Moline Quad-City

Fri 1/23

5:29 pm-5:35 pm

2 stops17h 06m

Barcelona-El Prat

Tue 1/27

1:35 pm-4:54 pm

2 stops34h 19m

$472

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 1/19

6:57 pm-8:40 am

1 stop30h 43m

Barcelona-El Prat

Sun 2/1

10:55 am-5:50 pm

1 stop13h 55m

$475

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sat 3/21

9:32 pm-8:20 am

1 stop28h 48m

Barcelona-El Prat

Tue 3/31

1:15 pm-9:10 am

1 stop26h 55m

$477

PeoriaBarcelona

PIA - BCN

PIABCN

Greater Peoria

Thu 2/5

5:29 pm-6:25 pm

2 stops17h 56m

Barcelona-El Prat

Thu 2/12

10:40 am-10:50 pm

1 stop19h 10m

$481

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 2/11

7:15 am-8:50 am

1 stop18h 35m

Barcelona-El Prat

Mon 2/16

11:00 am-10:05 pm

1 stop18h 05m

$484

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 1/21

6:25 am-8:00 am

1 stop18h 35m

Barcelona-El Prat

Thu 1/29

10:15 am-8:06 pm

1 stop16h 51m

$484

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 2/1

11:55 am-8:50 am

1 stop13h 55m

Barcelona-El Prat

Tue 2/17

11:00 am-10:05 pm

1 stop18h 05m

$484

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 3/3

1:02 pm-8:20 am

1 stop12h 18m

Barcelona-El Prat

Thu 3/12

12:35 pm-8:10 pm

1 stop13h 35m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

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 $889). 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 BCN?

Find hourly flight availability from Illinois to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Barcelona in the evening. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Illinois to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Barcelona. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Barcelona flight should consider departing on Monday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 $466, British Airways can have you in Barcelona from Illinois in 13h 40m. 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 Scandinavian Airlines, 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 most reliable airlines from Illinois to Barcelona?

    Before booking your flight to Barcelona from Illinois, check out the most reliable airlines to get you to your destination on time: American Airlines (78%), Alaska Airlines (78%), Finnair( 78%).

  • What are the cheapest flights from Illinois to Barcelona?

    On average you can expect to pay $2,891 for a flight from Illinois to Barcelona. The cheapest flight overall is $432 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 $889). 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

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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.
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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$365Average$479FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$373Average$540FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$401Average$629FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$424Average$593FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$477Average$596FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$478Average$704FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$480Average$671FlexibilityNo cancel feeOn-time70%
IberiaCheapest$481Average$820FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$495Average$809FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$502Average$833FlexibilityNo cancel feeOn-time76%

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