HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$320+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BCN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois 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.

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 June 12, 2025.

Round-trip from

$580
(Gotogate)

One-way from

$320
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$1,144
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 ($315 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 June 2025
Search Deals

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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:30 pmSTL - BCN
1 stop11h 20mAir Canada
Wed 10/112:10 pmBCN - STL
1 stop14h 47mAir Canada
Deal found 6/11$544
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 9/231:30 pmSTL - BCN
1 stop11h 20mUnited Airlines
Tue 10/712:10 pmBCN - STL
2 stops29h 39mUnited Airlines
Deal found 6/12$555
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Wed 10/19:56 amSTL - BCN
1 stop17h 34mIberia
Fri 10/1010:45 amBCN - STL
1 stop16h 38mIberia
Deal found 6/10$601
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:55 amSTL - BCN
1 stop21h 35mBritish Airways
Fri 10/1010:45 amBCN - STL
1 stop16h 38mBritish Airways
Deal found 6/10$607
This United deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:15 amSTL - BCN
1 stop17h 05mMultiple Airlines
Wed 8/2012:10 pmBCN - STL
1 stop14h 50mMultiple Airlines
Deal found 6/12$625
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:30 pmSTL - BCN
1 stop21h 15mLufthansa
Tue 10/76:50 amBCN - STL
2 stops15h 54mLufthansa
Deal found 6/10$662
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/53:45 pmORD - BCN
1 stop11h 35mAer Lingus
Wed 8/1311:05 pmBCN - ORD
1 stop21h 55mAer Lingus
Deal found 6/11$664
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 10/305:59 pmMDW - BCN
2 stops17h 01mDelta
Fri 11/76:00 amBCN - MDW
2 stops19h 36mDelta
Deal found 6/11$664
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:00 amORD - BCN
3 stops29h 50mMultiple Airlines
Tue 9/306:55 pmBCN - ORD
2 stops26h 55mMultiple Airlines
Deal found 6/11$665
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:55 amORD - BCN
2 stops14h 55mAir Canada
Fri 10/2412:10 pmBCN - ORD
2 stops14h 19mAir Canada
Deal found 6/10$666
This Austrian Airlines deal was found by Cheapflights users on 6/10. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:05 pmORD - BCN
2 stops37h 05mAustrian Airlines
Wed 9/38:40 pmBCN - ORD
2 stops28h 45mAustrian Airlines
Deal found 6/10$668
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/216:10 pmORD - BCN
1 stop33h 25mTAP AIR PORTUGAL
Wed 7/3010:40 pmBCN - ORD
1 stop23h 20mTAP AIR PORTUGAL
Deal found 6/12$669

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 June 12, 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

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 9/24

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Wed 10/1

12:10 pm-7:57 pm

1 stop14h 47m

$544

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 9/23

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Tue 10/7

12:10 pm-10:49 am

2 stops29h 39m

$555

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/1

9:56 am-10:30 am

1 stop17h 34m

Barcelona-El Prat

Fri 10/10

10:45 am-8:23 pm

1 stop16h 38m

$601

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/1

5:55 am-10:30 am

1 stop21h 35m

Barcelona-El Prat

Fri 10/10

10:45 am-8:23 pm

1 stop16h 38m

$607

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 8/4

8:15 am-8:20 am

1 stop17h 05m

Barcelona-El Prat

Wed 8/20

12:10 pm-8:00 pm

1 stop14h 50m

$625

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 10/3

3:30 pm-7:45 pm

1 stop21h 15m

Barcelona-El Prat

Tue 10/7

6:50 am-3:44 pm

2 stops15h 54m

$662

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 8/5

3:45 pm-10:20 am

1 stop11h 35m

Barcelona-El Prat

Wed 8/13

11:05 pm-2:00 pm

1 stop21h 55m

$664

ChicagoBarcelona

MDW - BCN

MDWBCN

Chicago Midway

Sun 8/24

9:31 am-7:15 am

2 stops14h 44m

Barcelona-El Prat

Sun 9/7

6:10 am-6:37 pm

2 stops19h 27m

$665

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 8/13

1:05 pm-9:10 am

2 stops37h 05m

Barcelona-El Prat

Wed 9/3

8:40 pm-6:25 pm

2 stops28h 45m

$668

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 7/21

6:10 pm-10:35 am

1 stop33h 25m

Barcelona-El Prat

Wed 7/30

10:40 pm-3:00 pm

1 stop23h 20m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results
1
2
3
...
6

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 $1,062). 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 June 12, 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 June 12, 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).

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 June 12, 2025.
See what other customers who have flown with Delta, KLM and Austrian Airlines from Illinois to Barcelona have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $384. However, be on the lookout for offers from Icelandair and Air Serbia, 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 (80%), Alaska Airlines (80%), Finnair( 80%).

  • What are the cheapest flights from Illinois to Barcelona?

    On average you can expect to pay $2,004 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 $375.

  • 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 $1,062). 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.

Alternative routes for Illinois to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Barcelona-El Prat flights
LaGuardia to Barcelona-El Prat flights
San Francisco to Barcelona-El Prat flights
Miami to Barcelona-El Prat flights
Dulles Intl to Barcelona-El Prat flights
Los Angeles to Barcelona-El Prat flights
O'Hare Intl to Barcelona-El Prat flights
Dallas/Fort Worth to Barcelona-El Prat flights
Boston to Barcelona-El Prat flights
Philadelphia to Barcelona-El Prat flights
Atlanta to Barcelona-El Prat flights
Seattle to Barcelona-El Prat flights
Reagan-National to Barcelona-El Prat flights
Baltimore to Barcelona-El Prat flights
Ontario to Barcelona-El Prat flights
Denver to Barcelona-El Prat flights
Midway to Barcelona-El Prat flights
Love Field to Barcelona-El Prat flights
Hobby to Barcelona-El Prat flights
Orlando to Barcelona-El Prat flights
San Diego to Barcelona-El Prat flights
Stewart to Barcelona-El Prat flights
George Bush Intcntl to Barcelona-El Prat flights
Sky Harbor Intl to Barcelona-El Prat flights
Minneapolis to Barcelona-El Prat flights
Detroit to Barcelona-El Prat flights
Austin to Barcelona-El Prat flights
San Jose to Barcelona-El Prat flights
Charlotte to Barcelona-El Prat flights
Raleigh to Barcelona-El Prat flights
Tampa to Barcelona-El Prat flights
Portland to Barcelona-El Prat flights
Fort Lauderdale to Barcelona-El Prat flights
Jacksonville to Barcelona-El Prat flights
Nashville to Barcelona-El Prat flights
San Antonio to Barcelona-El Prat flights
Las Vegas to Barcelona-El Prat flights
Cincinnati to Barcelona-El Prat flights
Cleveland to Barcelona-El Prat flights
Salt Lake City to Barcelona-El Prat flights
Pittsburgh to Barcelona-El Prat flights
Indianapolis to Barcelona-El Prat flights
West Palm Beach to Barcelona-El Prat flights
Columbus to Barcelona-El Prat flights
St. Louis to Barcelona-El Prat flights
New Orleans to Barcelona-El Prat flights
Kansas City to Barcelona-El Prat flights
Sacramento to Barcelona-El Prat flights
Santa Ana to Barcelona-El Prat flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$226Average$614FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$342Average$467FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$349Average$407FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$401Average$785FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$424Average$594FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$477Average$765FlexibilityNo cancel feeOn-time67%
KLMCheapest$478Average$647FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$480Average$693FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$485Average$827FlexibilityNo cancel feeOn-time69%
IberiaCheapest$495Average$816FlexibilityNo cancel feeOn-time77%

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.