HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$349+ Cheap flights from Chicago (CHI) 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BCN
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Barcelona with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Chicago to Barcelona are usually found in February or January, booked 29 days in advance, depart on a Sunday or Tuesday and return on a Thursday

Cheap flight deals from Chicago to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2025.

Round-trip from

$446
(Kiwi.com)

One-way from

$349
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$567
From Chicago (CHI) to Barcelona
Search Deals
One-way flight from Chicago (CHI) to Barcelona
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($296 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Chicago to Barcelona

Cheapest flights from Chicago to Barcelona
Explore the most affordable flight options available from Chicago to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Delta deal was found by Cheapflights users on 11/18. 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 11/194:25 pmORD - BCN
1 stop11h 00mDelta
Tue 11/2510:55 amBCN - ORD
1 stop14h 57mDelta
Deal found 11/18$461
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:50 pmORD - BCN
1 stop13h 45mUnited Airlines
Tue 12/91:35 pmBCN - ORD
2 stops31h 37mUnited Airlines
Deal found 11/19$464
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Wed 12/312:50 pmORD - BCN
1 stop13h 45mUnited Airlines
Mon 12/89:55 amBCN - ORD
1 stop34h 15mUnited Airlines
Deal found 11/17$466
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:15 pmORD - BCN
1 stop31h 05mUnited Airlines
Tue 12/161:35 pmBCN - ORD
1 stop28h 43mUnited Airlines
Deal found 11/19$470
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:05 pmORD - BCN
2 stops32h 30mAir Canada
Tue 12/161:35 pmBCN - ORD
1 stop28h 43mAir Canada
Deal found 11/19$477
This Mytrip deal was found by Cheapflights users on 11/18. 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.
Wed 12/1012:50 pmORD - BCN
2 stops16h 10mMultiple Airlines
Tue 12/161:35 pmBCN - ORD
1 stop13h 35mMultiple Airlines
Deal found 11/18$478
This Travelocity deal was found by Cheapflights users on 11/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:50 pmORD - BCN
1 stop17h 10mMultiple Airlines
Wed 11/2612:50 pmBCN - ORD
1 stop14h 15mMultiple Airlines
Deal found 11/18$481
This Travelocity deal was found by Cheapflights users on 11/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:50 amORD - BCN
2 stops17h 45mAir Canada
Wed 11/269:55 amBCN - ORD
2 stops16h 35mAir Canada
Deal found 11/18$482
This Priceline deal was found by Cheapflights users on 11/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:05 pmORD - BCN
2 stops32h 30mMultiple Airlines
Mon 12/157:50 pmBCN - ORD
1 stop27h 30mMultiple Airlines
Deal found 11/19$483
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:30 pmORD - BCN
2 stops15h 20mMultiple Airlines
Wed 12/105:45 amBCN - ORD
2 stops18h 35mMultiple Airlines
Deal found 11/20$485
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amMDW - BCN
1 stop19h 40mDelta
Sat 1/171:00 pmBCN - MDW
2 stops28h 27mDelta
Deal found 11/20$554
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:14 pmMDW - BCN
2 stops16h 01mDelta
Fri 12/1210:55 amBCN - MDW
1 stop19h 52mDelta
Deal found 11/20$622

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 November 20, 2025.
Use the filters below to find and compare flights from Chicago to Barcelona that are best for you.

Fly from

Chicago

Fly to

Barcelona

Route

Depart

Return

Price

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 1/13

9:55 am-8:40 am

1 stop15h 45m

Barcelona-El Prat

Wed 1/21

6:00 am-10:34 pm

2 stops23h 34m

$461

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 1/14

3:35 pm-9:35 am

1 stop11h 00m

Barcelona-El Prat

Sat 1/24

1:35 pm-8:10 pm

1 stop13h 35m

$469

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 1/4

8:25 pm-5:15 pm

1 stop13h 50m

Barcelona-El Prat

Sat 1/10

9:10 pm-2:45 pm

1 stop24h 35m

$486

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Tue 3/3

6:17 pm-3:00 pm

2 stops13h 43m

Barcelona-El Prat

Tue 3/10

9:45 am-9:46 pm

1 stop18h 01m

$496

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 12/10

10:00 am-8:20 am

2 stops15h 20m

Barcelona-El Prat

Wed 12/17

11:00 am-7:24 pm

2 stops15h 24m

$496

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Wed 1/14

1:28 pm-11:10 am

2 stops14h 42m

Barcelona-El Prat

Tue 1/20

6:00 am-5:55 pm

2 stops18h 55m

$502

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Fri 1/9

1:00 pm-5:35 pm

2 stops21h 35m

Barcelona-El Prat

Fri 1/16

11:55 am-6:25 pm

1 stop13h 30m

$503

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 12/7

7:00 am-8:00 am

1 stop18h 00m

Barcelona-El Prat

Mon 12/15

9:55 am-9:47 pm

2 stops18h 52m

$511

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 12/10

7:10 pm-11:35 pm

2 stops21h 25m

Barcelona-El Prat

Sat 12/13

7:20 pm-2:45 pm

2 stops26h 25m

$515

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Thu 12/4

2:24 pm-9:00 am

1 stop11h 36m

Barcelona-El Prat

Tue 12/9

1:35 pm-1:12 pm

2 stops30h 37m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 43 results
1
2
3
...
5

Best time to book a flight from Chicago to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Chicago 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 Chicago to Barcelona

How far ahead should I book a flight from Chicago to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Barcelona. Price data was last updated on November 14, 2025.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Barcelona. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago to Barcelona?

Currently, August is the cheapest month in which you can book a flight from Chicago to Barcelona (average of $369). Flying from Chicago to Barcelona 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.

What is the cheapest time of day to fly from CHI to BCN?

Find hourly flight availability from Chicago 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 November 20, 2025.

When flying from Chicago to Barcelona, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 21% versus a flight in the morning.

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

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

Travelers seeking maximum savings on their Chicago to Barcelona flight should consider departing on Tuesday 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 Chicago to Barcelona

Explore weekly flight availability from Chicago 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 November 20, 2025.

The most flights from CHI to S37 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated November 20, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and TAP AIR PORTUGAL from Chicago to Barcelona by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,028 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,028 reviews
United Airlines
7.4
Good
9,028 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,028 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
TAP AIR PORTUGAL
7.1
Good
2,070 reviews
United Airlines
7.4
Good
9,028 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Iberia
7.0
Good
3,027 reviews
United Airlines
7.4
Good
9,028 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,533 reviews
United Airlines
7.4
Good
9,028 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago to Barcelona?

    A quick flight from Chicago to Barcelona can take about 11h. Delta provides one of the quickest options available for as low as $469. The distance from Chicago to Barcelona is about 4405 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago to Barcelona round-trip?

    According to our current data, Icelandair ($366), TAP AIR PORTUGAL ($369), and Air France ($401) offers the cheapest pricing from Chicago to Barcelona. These flights start at 49% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Barcelona one-way?

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $351. However, be on the lookout for offers from Delta and KLM, as they are both options that can get you from Chicago to Barcelona for a low price.

  • What are the most popular routes from Chicago to Barcelona?

    Most travelers choose Chicago O'Hare Intl - Barcelona-El Prat, Chicago Midway - Barcelona-El Prat or Chicago O'Hare Intl - Girona Costa Brava when deciding on the best route from Chicago to Barcelona.

  • What are the most reliable airlines from Chicago to Barcelona?

    Consider American Airlines (77%), Alaska Airlines (77%) or Finnair (77%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Barcelona.

  • What are the cheapest flights from Chicago to Barcelona?

    On average you can expect to pay $3,041 for a flight from Chicago to Barcelona. The cheapest flight overall is $394 while the most popular route, (Chicago O'Hare Intl - Barcelona-El Prat) is currently priced at $352.

  • Where are the most common layover locations when flying from Chicago to Barcelona?

    Of the flights from Chicago to Barcelona that have layovers, most of them stop in Lisbon. London sees the second most layovers for non-direct flights flying from Chicago to Barcelona.

  • What are some popular things to do or see while on a layover in Lisbon?

    Chiado, Praça do Marquês de Pombal, and Londres are the most popular attractions in Lisbon if you're in need of something to do during your layover. Chiado, Praça do Marquês de Pombal, and Londres can be visited by traveling about 4.5 mi, 3.6 mi, and 2.3 mi respectively from Lisbon Humberto Delgado. Those on a layover in Lisbon in need of a rental car can book one at Lisbon Humberto Delgado for about $19.

  • Where are the least popular layover locations for Chicago to Barcelona flights?

    Of the flights from Chicago to Barcelona that have layovers, the fewest flights stop in London. London is followed by Frankfurt am Main in terms of the least popular layover location on flights from Chicago to Barcelona.

  • Can I find deals for flights from Chicago to Barcelona that include hotel bookings?

    Yes. In addition to deals on Chicago to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Barcelona?

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

  • Can I find deals for business class flights from Chicago to Barcelona?

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Barcelona?

    Currently, August is the cheapest month in which you can book a flight from Chicago to Barcelona (average of $369). Flying from Chicago to Barcelona 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Chicago to Barcelona

Discover the top 10 airlines that operate flights from Chicago 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$366Average$478FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$369Average$540FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$401Average$584FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$406Average$594FlexibilityNo cancel feeOn-time77%
KLMCheapest$479Average$782FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$483Average$701FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$485Average$680FlexibilityNo cancel feeOn-time70%
IberiaCheapest$486Average$822FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$490Average$714FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$500Average$816FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.