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$202+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BCN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$482
(Finnair)

One-way from

$202
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$667
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 ($316 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This lol.travel deal was found by Cheapflights users on 9/8. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:05 pmORD - BCN
1 stop12h 00mUnited Airlines
Thu 10/166:00 amBCN - ORD
1 stop13h 55mUnited Airlines
Deal found 9/8$479
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 10/59:35 amMDW - BCN
2 stops24h 35mDelta
Tue 10/146:20 amBCN - MDW
2 stops19h 05mDelta
Deal found 9/11$482
This Delta deal was found by Cheapflights users on 9/9. 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.
Sun 10/266:59 pmORD - BCN
2 stops16h 06mDelta
Tue 11/116:00 amBCN - ORD
2 stops21h 29mDelta
Deal found 9/9$482
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 9/306:55 pmORD - BCN
Nonstop8h 35mIberia
Wed 10/1510:45 amBCN - ORD
Nonstop9h 45mIberia
Deal found 9/10$483
This KLM deal was found by Cheapflights users on 9/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:37 amORD - BCN
1 stop14h 23mKLM
Sat 1/3110:15 amBCN - ORD
1 stop18h 20mKLM
Deal found 9/11$484
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 10/110:15 amORD - BCN
2 stops15h 25mDelta
Wed 10/159:20 amBCN - ORD
1 stop12h 20mDelta
Deal found 9/11$485
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:59 pmORD - BCN
2 stops12h 36mAir Canada
Wed 11/269:55 amBCN - ORD
2 stops15h 50mAir Canada
Deal found 9/11$486
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 9/289:45 pmORD - BCN
Nonstop8h 30mUnited Airlines
Tue 10/76:50 amBCN - ORD
1 stop15h 05mUnited Airlines
Deal found 9/9$487
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:35 pmORD - BCN
1 stop11h 40mAmerican Airlines
Wed 10/2210:45 amBCN - ORD
Nonstop9h 45mAmerican Airlines
Deal found 9/10$488
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/167:05 pmORD - BCN
1 stop12h 00mUnited Airlines
Fri 10/2412:10 pmBCN - ORD
1 stop28h 41mUnited Airlines
Deal found 9/10$489
This United deal was found by Cheapflights users on 9/11. 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.
Mon 10/139:45 pmORD - BCN
Nonstop8h 30mMultiple Airlines
Mon 10/279:10 amBCN - ORD
1 stop16h 15mMultiple Airlines
Deal found 9/11$490
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 10/2010:35 amMDW - BCN
1 stop15h 45mDelta
Tue 11/46:00 amBCN - MDW
2 stops19h 25mDelta
Deal found 9/11$491

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 September 11, 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 10/28

1:08 pm-7:00 am

1 stop11h 52m

Barcelona-El Prat

Sat 1/31

10:15 am-5:37 pm

1 stop14h 22m

$484

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 10/13

9:45 pm-1:15 pm

Nonstop8h 30m

Barcelona-El Prat

Mon 10/27

9:10 am-7:25 pm

1 stop16h 15m

$490

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 9/28

7:30 am-7:50 am

2 stops17h 20m

Barcelona-El Prat

Tue 10/7

6:50 am-8:14 pm

2 stops20h 24m

$491

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Mon 10/20

10:35 am-9:20 am

1 stop15h 45m

Barcelona-El Prat

Tue 11/4

6:00 am-6:25 pm

2 stops19h 25m

$491

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Sun 10/12

6:23 pm-4:25 pm

2 stops15h 02m

Barcelona-El Prat

Wed 10/22

6:20 am-6:25 pm

2 stops19h 05m

$494

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Fri 10/31

3:35 pm-8:35 am

1 stop11h 00m

Barcelona-El Prat

Wed 11/5

3:05 pm-6:10 pm

Nonstop10h 05m

$499

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Fri 11/14

1:14 pm-11:10 am

2 stops14h 56m

Barcelona-El Prat

Thu 11/20

10:55 am-11:32 pm

1 stop19h 37m

$503

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Thu 11/20

12:50 pm-9:35 am

1 stop13h 45m

Barcelona-El Prat

Wed 11/26

3:05 pm-6:10 pm

Nonstop10h 05m

$509

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Thu 10/16

7:00 am-6:00 am

1 stop16h 00m

Barcelona-El Prat

Tue 10/21

6:20 am-8:23 pm

2 stops21h 03m

$512

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Mon 9/22

12:43 pm-11:55 am

2 stops16h 12m

Barcelona-El Prat

Mon 10/6

6:20 am-6:25 pm

2 stops19h 05m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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, January is the cheapest month in which you can book a flight from Illinois to Barcelona (average of $523). Flying from Illinois to Barcelona in June is currently the most expensive (average of $1,059). 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 September 11, 2025.

When flying from Illinois to Barcelona, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 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).

How much does it cost to fly round-trip from Illinois to Barcelona?

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 $484, KLM can have you in Barcelona from Illinois in 11h 52m. 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 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 (75%), Alaska Airlines (75%), Finnair( 75%).

  • What are the cheapest flights from Illinois to Barcelona?

    On average you can expect to pay $3,275 for a flight from Illinois to Barcelona. The cheapest flight overall is $402 while the most popular route, (Chicago O'Hare Intl - Barcelona-El Prat) is currently priced at $363.

  • 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, January is the cheapest month in which you can book a flight from Illinois to Barcelona (average of $523). Flying from Illinois to Barcelona in June is currently the most expensive (average of $1,059). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$343Average$478FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$348Average$474FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$401Average$780FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$406Average$560FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$477Average$706FlexibilityNo cancel feeOn-time67%
KLMCheapest$478Average$782FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$484Average$650FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$485Average$801FlexibilityNo cancel feeOn-time69%
IberiaCheapest$488Average$820FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$490Average$707FlexibilityNo cancel feeOn-timeN/A

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