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Barcelona-El Prat

$198+ Cheap flights from Illinois to Barcelona-El Prat (BCN)

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BCN
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
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Cheap flight deals from Illinois to Barcelona-El Prat

Cheapest flights from Illinois to Barcelona-El Prat
Explore the most affordable flight options available from Illinois to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 31, 2025.

This oojo deal was found by Cheapflights users on 12/30. 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.
Wed 12/317:10 pmORD - BCN
1 stop21h 35mTAP AIR PORTUGAL
Tue 1/1310:55 amBCN - ORD
1 stop35h 05mTAP AIR PORTUGAL
Deal found 12/30$516
This oojo deal was found by Cheapflights users on 12/30. 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.
Wed 12/317:10 pmORD - BCN
1 stop15h 05mTAP AIR PORTUGAL
Sun 1/256:45 amBCN - ORD
1 stop15h 00mTAP AIR PORTUGAL
Deal found 12/30$529
This CrystalTravel deal was found by Cheapflights users on 12/29. 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 CrystalTravel 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 12/29$532
This Kiwi.com deal was found by Cheapflights users on 12/30. 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 12/30$556
This Kiwi.com deal was found by Cheapflights users on 12/30. 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
Fri 1/236:45 amBCN - ORD
1 stop15h 40mTAP AIR PORTUGAL
Deal found 12/30$566
This oojo deal was found by Cheapflights users on 12/29. 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.
Wed 12/317:10 pmORD - BCN
1 stop11h 35mTAP AIR PORTUGAL
Wed 3/116:45 amBCN - ORD
1 stop15h 15mTAP AIR PORTUGAL
Deal found 12/29$579
This KAYAK deal was found by Cheapflights users on 12/30. 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 stop21h 35mTAP AIR PORTUGAL
Thu 1/222:35 pmBCN - ORD
1 stop31h 50mTAP AIR PORTUGAL
Deal found 12/30$599
This KAYAK deal was found by Cheapflights users on 12/30. 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 12/30$642
This Iberia deal was found by Cheapflights users on 12/30. 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.
Wed 12/315:40 pmORD - BCN
1 stop20h 40mIberia
Tue 1/206:40 amBCN - ORD
1 stop15h 15mIberia
Deal found 12/30$689
This Iberia deal was found by Cheapflights users on 12/29. 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.
Wed 12/315:40 pmORD - BCN
1 stop20h 40mIberia
Wed 1/219:15 pmBCN - ORD
1 stop24h 40mIberia
Deal found 12/29$705
This oojo deal was found by Cheapflights users on 12/29. 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.
Wed 12/312:50 pmSTL - BCN
2 stops18h 40mBritish Airways
Tue 1/67:00 pmBCN - STL
2 stops34h 44mBritish Airways
Deal found 12/29$982
This Kiwi.com deal was found by Cheapflights users on 12/30. 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 12/313:32 pmMDW - BCN
1 stop14h 33mMultiple Airlines
Tue 1/136:45 amBCN - MDW
2 stops24h 17mMultiple Airlines
Deal found 12/30$996

Find flight deals from Illinois to Barcelona-El Prat

Keep the following information in mind while searching for Illinois to Barcelona-El Prat flight deals. Data was last updated December 31, 2025.

Round-trip from

$398
(oojo)

One-way from

$198
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$711

Good round-trip deal

$597 or less

Good one-way deal

$514 or less
From Illinois to Barcelona-El Prat
Search Deals
One-way flight from Illinois to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($306 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
Search Deals
Price to beat on a round-trip flight from Illinois to Barcelona-El Prat.
Search Deals
Price to beat on a one-way flight from Illinois to Barcelona-El Prat.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Barcelona-El Prat 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 31, 2025.
Use the filters below to find and compare flights from Illinois to Barcelona-El Prat Airport that are best for you.

Fly from

Illinois

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 3/6

7:41 am-9:35 am

2 stops18h 54m

Barcelona-El Prat

Thu 3/12

12:35 pm-2:43 pm

2 stops32h 08m

$468

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 3/1

6:55 pm-9:35 am

2 stops31h 40m

Barcelona-El Prat

Mon 3/9

12:35 pm-9:07 pm

2 stops38h 32m

$468

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 3/3

11:46 am-8:50 am

1 stop14h 04m

Barcelona-El Prat

Tue 3/10

10:40 am-7:29 pm

1 stop14h 49m

$470

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Thu 3/5

4:05 pm-9:35 am

2 stops34h 30m

Barcelona-El Prat

Thu 3/12

12:35 pm-2:43 pm

2 stops32h 08m

$470

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 3/3

11:59 am-11:20 am

2 stops16h 21m

Barcelona-El Prat

Tue 3/10

9:35 am-11:22 pm

1 stop19h 47m

$473

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 3/20

6:57 pm-5:40 pm

2 stops16h 43m

Barcelona-El Prat

Wed 3/25

12:20 pm-11:48 pm

2 stops17h 28m

$483

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 3/3

5:50 pm-11:55 am

1 stop11h 05m

Barcelona-El Prat

Sun 3/8

3:05 pm-10:32 am

1 stop25h 27m

$484

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/14

7:45 am-8:20 am

2 stops17h 35m

Barcelona-El Prat

Tue 4/28

1:15 pm-3:24 pm

1 stop33h 09m

$485

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 3/16

12:50 pm-8:35 am

1 stop13h 45m

Barcelona-El Prat

Wed 4/1

6:40 am-2:50 pm

1 stop15h 10m

$485

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 3/15

7:15 am-8:35 am

1 stop19h 20m

Barcelona-El Prat

Wed 4/1

8:00 am-2:50 pm

1 stop13h 50m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 59 results
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Best time to book a flight from Illinois to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat 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-El Prat Airport

What is the cheapest month to book a flight from Illinois to Barcelona-El Prat Airport?

Currently, February is the cheapest month in which you can book a flight from Illinois to Barcelona-El Prat Airport (average of $366). Flying from Illinois to Barcelona-El Prat Airport in June is currently the most expensive (average of $887). 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-El Prat. 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-El Prat Airport?

    There are many flights that can get you from Illinois to Barcelona-El Prat Airport in 14h 04m. Fly via Air Canada, United Airlines, or Finnair to get the fastest option. There are 4638 mi between Illinois and Barcelona-El Prat Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Barcelona-El Prat Airport one-way?

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $186. Icelandair flights start at $225 while deals on Scandinavian Airlines start at $263 one-way.

  • What are the most popular routes from Illinois to Barcelona-El Prat Airport?

    The most popular flight routes from Illinois to Barcelona-El Prat Airport 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-El Prat Airport?

    No one likes to see their flight delayed. When booking a flight from Illinois to Barcelona-El Prat Airport consider choosing American Airlines (78%), Alaska Airlines (78%) or Finnair (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Barcelona-El Prat Airport?

    While on average a flight from Illinois to Barcelona-El Prat Airport is generally $2,893, our data shows the cheapest flight currently is $439. When looking at the most popular route, (Chicago O'Hare Intl - Barcelona-El Prat), you can expect to pay $357 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Barcelona-El Prat 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-El Prat Airport?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Barcelona-El Prat Airport (average of $366). Flying from Illinois to Barcelona-El Prat Airport in June is currently the most expensive (average of $887). 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

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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Alternative routes for Illinois to Barcelona-El Prat

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-El Prat

Discover the top 10 airlines that operate flights from Illinois to Barcelona-El Prat. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$358Average$475FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$372Average$548FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$401Average$629FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$439Average$593FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$477Average$582FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$478Average$706FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$480Average$812FlexibilityNo cancel feeOn-time76%
IberiaCheapest$480Average$821FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$481Average$670FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$493Average$806FlexibilityNo cancel feeOn-time69%

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