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$217+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BCN
nov. 12 — nov. 191
mié. 11/12
mié. 11/19
1 adult, Economy
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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 octubre 13, 2025.

This Billigflug deal was found by Cheapflights users on 10/12. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2710:40 pmORD - BCN
Nonstop8h 30mLufthansa
mar. 11/113:05 pmBCN - ORD
Nonstop10h 05mLufthansa
Deal found 10/12$460
This Delta deal was found by Cheapflights users on 10/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/112:47 pmMDW - BCN
1 stop12h 53mDelta
mar. 12/96:00 amBCN - MDW
2 stops19h 18mDelta
Deal found 10/12$461
This Delta deal was found by Cheapflights users on 10/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/134:40 pmORD - BCN
1 stop16h 45mDelta
mié. 10/2211:35 amBCN - ORD
1 stop19h 23mDelta
Deal found 10/11$461
This Delta deal was found by Cheapflights users on 10/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/157:00 amORD - BCN
1 stop16h 00mDelta
vie. 10/3111:10 amBCN - ORD
2 stops27h 19mDelta
Deal found 10/11$462
This Mytrip deal was found by Cheapflights users on 10/12. 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.
vie. 12/56:30 pmORD - BCN
2 stops22h 05mMultiple Airlines
vie. 12/128:00 amBCN - ORD
2 stops16h 20mMultiple Airlines
Deal found 10/12$463
This FlightHub deal was found by Cheapflights users on 10/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1310:35 pmORD - BCN
1 stop12h 05mBritish Airways
mié. 10/2210:45 amBCN - ORD
Nonstop9h 45mBritish Airways
Deal found 10/12$464
This Delta deal was found by Cheapflights users on 10/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1910:35 amORD - BCN
2 stops16h 50mDelta
mar. 11/2510:55 amBCN - ORD
1 stop20h 07mDelta
Deal found 10/12$465
This oojo deal was found by Cheapflights users on 10/12. 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. 10/196:00 pmORD - BCN
1 stop24h 30mTAP AIR PORTUGAL
sáb. 11/159:10 pmBCN - ORD
1 stop24h 35mTAP AIR PORTUGAL
Deal found 10/12$466
This United Airlines deal was found by Cheapflights users on 10/11. 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. 11/41:00 pmORD - BCN
2 stops21h 35mUnited Airlines
mar. 11/111:35 pmBCN - ORD
2 stops30h 39mUnited Airlines
Deal found 10/11$467
This United deal was found by Cheapflights users on 10/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2710:40 pmORD - BCN
Nonstop8h 30mMultiple Airlines
mar. 11/111:35 pmBCN - ORD
1 stop13h 25mMultiple Airlines
Deal found 10/11$469
This United Airlines deal was found by Cheapflights users on 10/13. 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.
lun. 10/2710:40 pmORD - BCN
Nonstop8h 30mUnited Airlines
mar. 11/113:05 pmBCN - ORD
Nonstop10h 05mUnited Airlines
Deal found 10/13$470
This United Airlines deal was found by Cheapflights users on 10/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/159:45 pmORD - BCN
Nonstop8h 30mUnited Airlines
vie. 10/311:50 pmBCN - ORD
1 stop13h 15mUnited Airlines
Deal found 10/12$472

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 octubre 13, 2025.

Round-trip from

$460
(Billigflug)

One-way from

$217
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$599
From Illinois to Barcelona
Search Deals
One-way flight from Illinois to Barcelona
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($307 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 octubre 13, 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

mié. 11/19

10:35 am-10:25 am

2 stops16h 50m

Barcelona-El Prat

mar. 11/25

10:55 am-6:52 pm

1 stop14h 57m

$466

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

dom. 11/9

9:40 pm-1:10 pm

Nonstop8h 30m

Barcelona-El Prat

mar. 11/18

1:35 pm-11:18 am

1 stop28h 43m

$469

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

lun. 10/27

4:20 pm-9:00 am

1 stop10h 40m

Barcelona-El Prat

mar. 11/11

3:05 pm-6:10 pm

Nonstop10h 05m

$469

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

sáb. 11/8

5:55 pm-9:35 am

1 stop32h 40m

Barcelona-El Prat

mar. 11/18

3:05 pm-6:10 pm

Nonstop10h 05m

$469

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

lun. 10/27

10:40 pm-1:10 pm

Nonstop8h 30m

Barcelona-El Prat

mar. 11/11

1:35 pm-8:00 pm

1 stop13h 25m

$470

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

mié. 11/5

9:50 pm-5:35 pm

1 stop12h 45m

Barcelona-El Prat

mar. 11/11

3:05 pm-6:10 pm

Nonstop10h 05m

$475

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

mié. 11/19

9:50 pm-5:35 pm

1 stop12h 45m

Barcelona-El Prat

mar. 11/25

3:05 pm-6:10 pm

Nonstop10h 05m

$475

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

dom. 11/23

5:20 pm-11:10 am

1 stop10h 50m

Barcelona-El Prat

mié. 12/3

1:00 pm-8:34 am

2 stops26h 34m

$477

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

lun. 10/27

6:23 pm-2:00 pm

2 stops13h 37m

Barcelona-El Prat

mar. 11/11

11:10 am-11:40 pm

2 stops19h 30m

$481

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

mié. 11/19

7:25 am-9:35 am

2 stops19h 10m

Barcelona-El Prat

mar. 12/2

6:50 am-7:30 pm

2 stops19h 40m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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, November is the cheapest month in which you can book a flight from Illinois to Barcelona (average of $357). Flying from Illinois to Barcelona in June is currently the most expensive (average of $888). 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 octubre 13, 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 45% 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.

Weekly flight availability from Illinois to Barcelona

Explore weekly flight availability from Illinois to Barcelona. 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 octubre 13, 2025.

The most flights from USIL to S37 are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

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 $469, Delta can have you in Barcelona from Illinois in 8h 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 Air France, with whom users have recently found tickets for as low as $422. However, be on the lookout for offers from Lufthansa 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 (77%), Alaska Airlines (77%), Finnair( 77%).

  • What are the cheapest flights from Illinois to Barcelona?

    On average you can expect to pay $3,045 for a flight from Illinois to Barcelona. The cheapest flight overall is $411 while the most popular route, (Chicago O'Hare Intl - Barcelona-El Prat) is currently priced at $358.

  • 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, November is the cheapest month in which you can book a flight from Illinois to Barcelona (average of $357). Flying from Illinois to Barcelona in June is currently the most expensive (average of $888). 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 octubre 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$354Average$498FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$366Average$481FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$401Average$884FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$406Average$581FlexibilityNo cancel feeOn-time77%
KLMCheapest$479Average$645FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$483Average$706FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$486Average$660FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$486Average$701FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$488Average$820FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$499Average$811FlexibilityNo cancel feeOn-time69%

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